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<?xml version="1.0" encoding="UTF-8"?>
<device name="ATtiny828" family="AVR8" configuration-value="attiny828" architecture="AVRe" avr-family="TINY">
<property-groups>
<property-group key="signatures">
<property key="jtagid" value="0x9314"/>
<property key="signature0" value="0x1e"/>
<property key="signature1" value="0x93"/>
<property key="signature2" value="0x14"/>
</property-group>
<property-group key="ocd">
<property key="ocd_revision" value="1"/>
<property key="ocd_datareg" value="0x31"/>
<property key="progbase" value="0x0000"/>
</property-group>
<property-group key="jtag_interface">
<property key="allowfullpagestream" value="0x00"/>
</property-group>
<property-group key="isp_interface">
<property key="ispenterprogmode_timeout" value="200"/>
<property key="ispenterprogmode_stabdelay" value="100"/>
<property key="ispenterprogmode_cmdexedelay" value="25"/>
<property key="ispenterprogmode_synchloops" value="32"/>
<property key="ispenterprogmode_bytedelay" value="0"/>
<property key="ispenterprogmode_pollindex" value="3"/>
<property key="ispenterprogmode_pollvalue" value="0x53"/>
<property key="ispleaveprogmode_predelay" value="1"/>
<property key="ispleaveprogmode_postdelay" value="1"/>
<property key="ispchiperase_erasedelay" value="45"/>
<property key="ispchiperase_pollmethod" value="1"/>
<property key="ispprogramflash_mode" value="0x41"/>
<property key="ispprogramflash_blocksize" value="64"/>
<property key="ispprogramflash_delay" value="10"/>
<property key="ispprogramflash_cmd1" value="0x40"/>
<property key="ispprogramflash_cmd2" value="0x4C"/>
<property key="ispprogramflash_cmd3" value="0x00"/>
<property key="ispprogramflash_pollval1" value="0x00"/>
<property key="ispprogramflash_pollval2" value="0x00"/>
<property key="ispprogrameeprom_mode" value="0x41"/>
<property key="ispprogrameeprom_blocksize" value="4"/>
<property key="ispprogrameeprom_delay" value="20"/>
<property key="ispprogrameeprom_cmd1" value="0xC1"/>
<property key="ispprogrameeprom_cmd2" value="0xC2"/>
<property key="ispprogrameeprom_cmd3" value="0x00"/>
<property key="ispprogrameeprom_pollval1" value="0x00"/>
<property key="ispprogrameeprom_pollval2" value="0x00"/>
<property key="ispreadflash_blocksize" value="256"/>
<property key="ispreadeeprom_blocksize" value="256"/>
<property key="ispreadfuse_pollindex" value="4"/>
<property key="ispreadlock_pollindex" value="4"/>
<property key="ispreadsign_pollindex" value="4"/>
<property key="ispreadosccal_pollindex" value="4"/>
</property-group>
<property-group key="pp_interface">
<property key="ppcontrolstack" value="0x0E 0x1E 0x0F 0x1F 0x2E 0x3E 0x2F 0x3F 0x4E 0x5E 0x4F 0x5F 0x6E 0x7E 0x6F 0x7F 0x66 0x76 0x67 0x77 0x6A 0x7A 0x6B 0x7B 0xBE 0xFD 0x00 0x01 0x00 0x00 0x00 0x00"/>
<property key="ppenterprogmode_stabdelay" value="100"/>
<property key="ppenterprogmode_progmodedelay" value="0"/>
<property key="ppenterprogmode_latchcycles" value="5"/>
<property key="ppenterprogmode_togglevtg" value="1"/>
<property key="ppenterprogmode_poweroffdelay" value="15"/>
<property key="ppenterprogmode_resetdelayms" value="1"/>
<property key="ppenterprogmode_resetdelayus" value="0"/>
<property key="ppleaveprogmode_stabdelay" value="15"/>
<property key="ppleaveprogmode_resetdelay" value="15"/>
<property key="ppchiperase_pulsewidth" value="0"/>
<property key="ppchiperase_polltimeout" value="10"/>
<property key="ppprogramflash_polltimeout" value="5"/>
<property key="ppprogramflash_mode" value="0x0D"/>
<property key="ppprogramflash_blocksize" value="256"/>
<property key="ppreadflash_blocksize" value="256"/>
<property key="ppprogrameeprom_polltimeout" value="5"/>
<property key="ppprogrameeprom_mode" value="0x05"/>
<property key="ppprogrameeprom_blocksize" value="256"/>
<property key="ppreadeeprom_blocksize" value="256"/>
<property key="ppprogramfuse_pulsewidth" value="0"/>
<property key="ppprogramfuse_polltimeout" value="5"/>
<property key="ppprogramlock_pulsewidth" value="0"/>
<property key="ppprogramlock_polltimeout" value="5"/>
</property-group>
<property-group key="isp_interface_stk600">
<property key="ispenterprogmode_timeout" value="200"/>
<property key="ispenterprogmode_stabdelay" value="100"/>
<property key="ispenterprogmode_cmdexedelay" value="25"/>
<property key="ispenterprogmode_synchloops" value="32"/>
<property key="ispenterprogmode_bytedelay" value="0"/>
<property key="ispenterprogmode_pollindex" value="3"/>
<property key="ispenterprogmode_pollvalue" value="0x53"/>
<property key="ispleaveprogmode_predelay" value="1"/>
<property key="ispleaveprogmode_postdelay" value="1"/>
<property key="ispchiperase_erasedelay" value="45"/>
<property key="ispchiperase_pollmethod" value="1"/>
<property key="ispprogramflash_mode" value="0x41"/>
<property key="ispprogramflash_blocksize" value="64"/>
<property key="ispprogramflash_delay" value="6"/>
<property key="ispprogramflash_cmd1" value="0x40"/>
<property key="ispprogramflash_cmd2" value="0x4C"/>
<property key="ispprogramflash_cmd3" value="0x00"/>
<property key="ispprogramflash_pollval1" value="0x00"/>
<property key="ispprogramflash_pollval2" value="0x00"/>
<property key="ispprogrameeprom_mode" value="0x41"/>
<property key="ispprogrameeprom_blocksize" value="4"/>
<property key="ispprogrameeprom_delay" value="5"/>
<property key="ispprogrameeprom_cmd1" value="0xC1"/>
<property key="ispprogrameeprom_cmd2" value="0xC2"/>
<property key="ispprogrameeprom_cmd3" value="0x00"/>
<property key="ispprogrameeprom_pollval1" value="0x00"/>
<property key="ispprogrameeprom_pollval2" value="0x00"/>
<property key="ispreadflash_blocksize" value="256"/>
<property key="ispreadeeprom_blocksize" value="256"/>
<property key="ispreadfuse_pollindex" value="4"/>
<property key="ispreadlock_pollindex" value="4"/>
<property key="ispreadsign_pollindex" value="4"/>
<property key="ispreadosccal_pollindex" value="4"/>
</property-group>
<property-group key="pp_interface_stk600">
<property key="ppcontrolstack" value="0x0E 0x1E 0x0F 0x1F 0x2E 0x3E 0x2F 0x3F 0x4E 0x5E 0x4F 0x5F 0x6E 0x7E 0x6F 0x7F 0x66 0x76 0x67 0x77 0x6A 0x7A 0x6B 0x7B 0xBE 0xFD 0x00 0x01 0x00 0x00 0x00 0x00"/>
<property key="ppenterprogmode_stabdelay" value="100"/>
<property key="ppenterprogmode_progmodedelay" value="0"/>
<property key="ppenterprogmode_latchcycles" value="5"/>
<property key="ppenterprogmode_togglevtg" value="1"/>
<property key="ppenterprogmode_poweroffdelay" value="20"/>
<property key="ppenterprogmode_resetdelayms" value="1"/>
<property key="ppenterprogmode_resetdelayus" value="0"/>
<property key="ppleaveprogmode_stabdelay" value="15"/>
<property key="ppleaveprogmode_resetdelay" value="15"/>
<property key="ppchiperase_pulsewidth" value="0"/>
<property key="ppchiperase_polltimeout" value="10"/>
<property key="ppprogramflash_polltimeout" value="5"/>
<property key="ppprogramflash_mode" value="0x0D"/>
<property key="ppprogramflash_blocksize" value="256"/>
<property key="ppreadflash_blocksize" value="256"/>
<property key="ppprogrameeprom_polltimeout" value="5"/>
<property key="ppprogrameeprom_mode" value="0x05"/>
<property key="ppprogrameeprom_blocksize" value="256"/>
<property key="ppreadeeprom_blocksize" value="256"/>
<property key="ppprogramfuse_pulsewidth" value="0"/>
<property key="ppprogramfuse_polltimeout" value="5"/>
<property key="ppprogramlock_pulsewidth" value="0"/>
<property key="ppprogramlock_polltimeout" value="5"/>
</property-group>
</property-groups>
<address-spaces>
<address-space key="prog" start="0x00000000" size="8192" endianness="little">
<memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="8192" page-size="64" access="RW" executable="1"/>
</address-space>
<address-space key="signatures" start="0x00000000" size="3" endianness="little">
<memory-segment key="signatures" name="Signatures" type="signatures" start="0x00000000" size="3" access="R" executable="0"/>
</address-space>
<address-space key="fuses" start="0x00000000" size="3" endianness="little">
<memory-segment key="fuses" name="Fuses" type="fuses" start="0x00000000" size="3" access="RW" executable="0"/>
</address-space>
<address-space key="lockbits" start="0x00000000" size="1" endianness="little">
<memory-segment key="lockbits" name="Lockbits" type="lockbits" start="0x00000000" size="1" access="RW" executable="0"/>
</address-space>
<address-space key="data" start="0x00000000" size="768" endianness="little">
<memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32" executable="0"/>
<memory-segment key="mapped_io" name="Mapped Input/Output" type="io" start="0x00000020" size="224" executable="0"/>
<memory-segment key="internal_ram" name="Internal RAM" type="ram" start="0x00000100" size="512" executable="0"/>
</address-space>
<address-space key="eeprom" start="0x00000000" size="256" endianness="little">
<memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00000000" size="256" page-size="4" access="RW" executable="0"/>
</address-space>
<address-space key="osccal" start="0x00000000" size="2" endianness="little">
<memory-segment key="osccal" name="OSCCAL" type="osccal" start="0x00000000" size="2" access="R" executable="0"/>
</address-space>
</address-spaces>
<physical-interfaces>
<physical-interface value="debug_wire">
<signals>
<signal name="dW" pad-key="pd2"/>
</signals>
</physical-interface>
<physical-interface value="isp">
<signals>
<signal name="RESET" pad-key="pd2"/>
<signal name="MOSI" pad-key="pd0"/>
<signal name="MISO" pad-key="pd1"/>
<signal name="SCLK" pad-key="pd3"/>
</signals>
</physical-interface>
<physical-interface value="hvpp"/>
</physical-interfaces>
<peripherals>
<peripheral key="spi" name="SPI" module-key="spi">
<register-group-instance description="Serial Peripheral Interface" register-group-key="spi" address-space-key="data" offset="0x0"/>
</peripheral>
<peripheral key="porta" name="PORTA" module-key="gpio_port">
<register-group-instance description="I/O Port" register-group-key="porta" address-space-key="data" offset="0x0"/>
<signals>
<signal name="PA0" pad-key="pa0" index="0" function="PORTA"/>
<signal name="PA1" pad-key="pa1" index="1" function="PORTA"/>
<signal name="PA2" pad-key="pa2" index="2" function="PORTA"/>
<signal name="PA3" pad-key="pa3" index="3" function="PORTA"/>
<signal name="PA4" pad-key="pa4" index="4" function="PORTA"/>
<signal name="PA5" pad-key="pa5" index="5" function="PORTA"/>
<signal name="PA6" pad-key="pa6" index="6" function="PORTA"/>
<signal name="PA7" pad-key="pa7" index="7" function="PORTA"/>
</signals>
</peripheral>
<peripheral key="portb" name="PORTB" module-key="gpio_port">
<register-group-instance description="I/O Port" register-group-key="portb" address-space-key="data" offset="0x0"/>
<signals>
<signal name="PB0" pad-key="pb0" index="0" function="PORTB"/>
<signal name="PB1" pad-key="pb1" index="1" function="PORTB"/>
<signal name="PB2" pad-key="pb2" index="2" function="PORTB"/>
<signal name="PB3" pad-key="pb3" index="3" function="PORTB"/>
<signal name="PB4" pad-key="pb4" index="4" function="PORTB"/>
<signal name="PB5" pad-key="pb5" index="5" function="PORTB"/>
<signal name="PB6" pad-key="pb6" index="6" function="PORTB"/>
<signal name="PB7" pad-key="pb7" index="7" function="PORTB"/>
</signals>
</peripheral>
<peripheral key="portc" name="PORTC" module-key="gpio_port">
<register-group-instance description="I/O Port" register-group-key="portc" address-space-key="data" offset="0x0"/>
<signals>
<signal name="PC0" pad-key="pc0" index="0" function="PORTC"/>
<signal name="PC1" pad-key="pc1" index="1" function="PORTC"/>
<signal name="PC2" pad-key="pc2" index="2" function="PORTC"/>
<signal name="PC3" pad-key="pc3" index="3" function="PORTC"/>
<signal name="PC4" pad-key="pc4" index="4" function="PORTC"/>
<signal name="PC5" pad-key="pc5" index="5" function="PORTC"/>
<signal name="PC6" pad-key="pc6" index="6" function="PORTC"/>
<signal name="PC7" pad-key="pc7" index="7" function="PORTC"/>
</signals>
</peripheral>
<peripheral key="portd" name="PORTD" module-key="gpio_port">
<register-group-instance description="I/O Port" register-group-key="portd" address-space-key="data" offset="0x0"/>
<signals>
<signal name="PD0" pad-key="pd0" index="0" function="PORTD"/>
<signal name="PD1" pad-key="pd1" index="1" function="PORTD"/>
<signal name="PD2" pad-key="pd2" index="2" function="PORTD"/>
<signal name="PD3" pad-key="pd3" index="3" function="PORTD"/>
</signals>
</peripheral>
<peripheral key="cpu" name="CPU" module-key="cpu">
<register-group-instance description="CPU Registers" register-group-key="cpu" address-space-key="data" offset="0x0"/>
</peripheral>
<peripheral key="tc0" name="TC0" module-key="tc8">
<register-group-instance description="Timer/Counter, 8-bit" register-group-key="tc0" address-space-key="data" offset="0x0"/>
</peripheral>
<peripheral key="tc1" name="TC1" module-key="tc16">
<register-group-instance description="Timer/Counter, 16-bit" register-group-key="tc1" address-space-key="data" offset="0x0"/>
</peripheral>
<peripheral key="tocpm" name="TOCPM" module-key="tocpm">
<register-group-instance description="Timer/Counter Output Compare Pin" register-group-key="tocpm" address-space-key="data" offset="0x0"/>
</peripheral>
<peripheral key="adc" name="ADC" module-key="adc">
<register-group-instance description="Analog-to-Digital Converter" register-group-key="adc" address-space-key="data" offset="0x0"/>
</peripheral>
<peripheral key="ac" name="AC" module-key="ac">
<register-group-instance description="Analog Comparator" register-group-key="ac" address-space-key="data" offset="0x0"/>
</peripheral>
<peripheral key="exint" name="EXINT" module-key="exint">
<register-group-instance description="External Interrupts" register-group-key="exint" address-space-key="data" offset="0x0"/>
</peripheral>
<peripheral key="wdt" name="WDT" module-key="wdt">
<register-group-instance description="Watchdog Timer" register-group-key="wdt" address-space-key="data" offset="0x0"/>
</peripheral>
<peripheral key="eeprom" name="EEPROM" module-key="eeprom">
<register-group-instance description="EEPROM" register-group-key="eeprom" address-space-key="data" offset="0x0"/>
</peripheral>
<peripheral key="twi" name="TWI" module-key="twi">
<register-group-instance description="Two Wire Serial Interface" register-group-key="twi" address-space-key="data" offset="0x0"/>
</peripheral>
<peripheral key="usart" name="USART" module-key="usart">
<register-group-instance description="USART" register-group-key="usart" address-space-key="data" offset="0x0"/>
</peripheral>
<peripheral key="fuse" name="FUSE" module-key="fuse">
<register-group-instance description="Fuses" register-group-key="fuse" address-space-key="fuses" offset="0x0"/>
</peripheral>
<peripheral key="lockbit" name="LOCKBIT" module-key="lockbit">
<register-group-instance description="Lockbits" register-group-key="lockbit" address-space-key="lockbits" offset="0x0"/>
</peripheral>
</peripherals>
<modules>
<module key="fuse" name="FUSE" description="Fuses">
<register-group key="fuse" name="FUSE">
<register key="low" name="LOW" offset="0x00" size="1" initial-value="0x6E">
<bit-field key="ckdiv8" name="CKDIV8" description="Divide clock by 8 internally" mask="0x80"/>
<bit-field key="ckout" name="CKOUT" description="Clock output on PORTB0" mask="0x40"/>
<bit-field key="sut_cksel" name="SUT_CKSEL" description="Select Clock Source" mask="0x33"/>
</register>
<register key="high" name="HIGH" offset="0x01" size="1" initial-value="0xDF">
<bit-field key="rstdisbl" name="RSTDISBL" description="Reset Disabled (Enable PC6 as i/o pin)]" mask="0x80"/>
<bit-field key="dwen" name="DWEN" description="Debug Wire enable" mask="0x40"/>
<bit-field key="spien" name="SPIEN" description="Serial program downloading (SPI) enabled" mask="0x20"/>
<bit-field key="wdton" name="WDTON" description="Watch-dog Timer always on" mask="0x10"/>
<bit-field key="eesave" name="EESAVE" description="Preserve EEPROM through the Chip Erase cycle" mask="0x08"/>
<bit-field key="bodlevel" name="BODLEVEL" description="Brown-out Detector trigger level" mask="0x07"/>
</register>
<register key="extended" name="EXTENDED" offset="0x02" size="1" initial-value="0xFF">
<bit-field key="bootsz" name="BOOTSZ" description="Select boot size" mask="0x06"/>
<bit-field key="bootrst" name="BOOTRST" description="Boot Reset vector Enabled" mask="0x01"/>
<bit-field key="bodpd" name="BODPD" description="BOD mode of operation when the device is in sleep mode" mask="0xC0"/>
<bit-field key="bodact" name="BODACT" description="BOD mode of operation when the device is active or idle" mask="0x30"/>
</register>
</register-group>
</module>
<module key="lockbit" name="LOCKBIT" description="Lockbits">
<register-group key="lockbit" name="LOCKBIT">
<register key="lockbit" name="LOCKBIT" offset="0x00" size="1" initial-value="0xFF">
<bit-field key="lb" name="LB" description="Memory Lock" mask="0x03"/>
<bit-field key="blb0" name="BLB0" description="Boot Loader Protection Mode" mask="0x0C"/>
<bit-field key="blb1" name="BLB1" description="Boot Loader Protection Mode" mask="0x30"/>
</register>
</register-group>
</module>
<module key="spi" name="SPI" description="Serial Peripheral Interface">
<register-group key="spi" name="SPI">
<register key="spcr" name="SPCR" description="SPI Control Register" offset="0x4C" size="1">
<bit-field key="spie" name="SPIE" description="SPI Interrupt Enable" mask="0x80"/>
<bit-field key="spe" name="SPE" description="SPI Enable" mask="0x40"/>
<bit-field key="dord" name="DORD" description="Data Order" mask="0x20"/>
<bit-field key="mstr" name="MSTR" description="Master/Slave Select" mask="0x10"/>
<bit-field key="cpol" name="CPOL" description="Clock polarity" mask="0x08"/>
<bit-field key="cpha" name="CPHA" description="Clock Phase" mask="0x04"/>
<bit-field key="spr" name="SPR" description="SPI Clock Rate Selects" mask="0x03"/>
</register>
<register key="spsr" name="SPSR" description="SPI Status Register" offset="0x4D" size="1">
<bit-field key="spif" name="SPIF" description="SPI Interrupt Flag" mask="0x80"/>
<bit-field key="wcol" name="WCOL" description="Write Collision Flag" mask="0x40"/>
<bit-field key="spi2x" name="SPI2X" description="Double SPI Speed Bit" mask="0x01"/>
</register>
<register key="spdr" name="SPDR" description="SPI Data Register" offset="0x4E" size="1"/>
</register-group>
</module>
<module key="gpio_port" name="PORT" description="I/O Port">
<register-group key="porta" name="PORTA">
<register key="pina" name="PINA" description="Port A Input Pins" offset="0x20" size="1"/>
<register key="ddra" name="DDRA" description="Data Direction Register, Port A" offset="0x21" size="1"/>
<register key="porta" name="PORTA" description="Port A Data Register" offset="0x22" size="1"/>
<register key="puea" name="PUEA" description="Pull-up Enable Control Register" offset="0x23" size="1"/>
</register-group>
<register-group key="portb" name="PORTB">
<register key="pinb" name="PINB" description="Port B Input Pins" offset="0x24" size="1"/>
<register key="ddrb" name="DDRB" description="Data Direction Register, Port B" offset="0x25" size="1"/>
<register key="portb" name="PORTB" description="Port B Data Register" offset="0x26" size="1"/>
<register key="pueb" name="PUEB" description="Pull-up Enable Control Register" offset="0x27" size="1"/>
</register-group>
<register-group key="portc" name="PORTC">
<register key="pinc" name="PINC" description="Port C Input Pins" offset="0x28" size="1"/>
<register key="ddrc" name="DDRC" description="Data Direction Register, Port C" offset="0x29" size="1"/>
<register key="portc" name="PORTC" description="Port C Data Register" offset="0x2A" size="1"/>
<register key="puec" name="PUEC" description="Pull-up Enable Control Register" offset="0x2B" size="1"/>
<register key="phde" name="PHDE" description="Port High Drive Enable Register" offset="0x34" size="1">
<bit-field key="phdec" name="PHDEC" description="Port C High Drive Enable" mask="0x04"/>
</register>
</register-group>
<register-group key="portd" name="PORTD">
<register key="pind" name="PIND" description="Port D Input Pins" offset="0x2C" size="1"/>
<register key="ddrd" name="DDRD" description="Data Direction Register, Port D" offset="0x2D" size="1"/>
<register key="portd" name="PORTD" description="Port D Data Register" offset="0x2E" size="1"/>
<register key="pued" name="PUED" description="Pull-up Enable Control Register" offset="0x2F" size="1"/>
</register-group>
</module>
<module key="cpu" name="CPU" description="CPU Registers">
<register-group key="cpu" name="CPU">
<register key="gpior0" name="GPIOR0" description="General Purpose I/O Register 0" offset="0x3E" size="1"/>
<register key="gpior1" name="GPIOR1" description="General Purpose I/O Register 1" offset="0x4A" size="1"/>
<register key="gpior2" name="GPIOR2" description="General Purpose I/O Register 2" offset="0x4B" size="1"/>
<register key="smcr" name="SMCR" description="Sleep Mode Control Register" offset="0x53" size="1">
<bit-field key="sm" name="SM" description="Sleep Mode Select Bits" mask="0x06"/>
<bit-field key="se" name="SE" description="Sleep Enable" mask="0x01"/>
</register>
<register key="mcusr" name="MCUSR" description="MCU Status Register" offset="0x54" size="1">
<bit-field key="wdrf" name="WDRF" description="Watchdog Reset Flag" mask="0x08"/>
<bit-field key="borf" name="BORF" description="Brown-out Reset Flag" mask="0x04"/>
<bit-field key="extrf" name="EXTRF" description="External Reset Flag" mask="0x02"/>
<bit-field key="porf" name="PORF" description="Power-on reset flag" mask="0x01"/>
</register>
<register key="mcucr" name="MCUCR" description="MCU Control Register" offset="0x55" size="1">
<bit-field key="ivsel" name="IVSEL" description="Interrupt Vector Select" mask="0x02"/>
</register>
<register key="ccp" name="CCP" description="Configuration Change Protection" offset="0x56" size="1"/>
<register key="spmcsr" name="SPMCSR" description="Store Program Memory Control and Status Register" offset="0x57" size="1">
<bit-field key="spmie" name="SPMIE" description="SPM Interrupt Enable" mask="0x80"/>
<bit-field key="rwwsb" name="RWWSB" description="Read-While-Write Section Busy" mask="0x40"/>
<bit-field key="rsig" name="RSIG" description="Read Device Signature Imprint Table" mask="0x20"/>
<bit-field key="rwwsre" name="RWWSRE" description="Read-While-Write section read enable" mask="0x10"/>
<bit-field key="rwflb" name="RWFLB" description="Read/Write Fuse and Lock Bits" mask="0x08"/>
<bit-field key="pgwrt" name="PGWRT" description="Page Write" mask="0x04"/>
<bit-field key="pgers" name="PGERS" description="Page Erase" mask="0x02"/>
<bit-field key="spmen" name="SPMEN" description="Store Program Memory Enable" mask="0x01"/>
</register>
<register key="sp" name="SP" description="Stack Pointer" offset="0x5D" size="2"/>
<register key="sreg" name="SREG" description="Status Register" offset="0x5F" size="1">
<bit-field key="i" name="I" description="Global Interrupt Enable" mask="0x80"/>
<bit-field key="t" name="T" description="Bit Copy Storage" mask="0x40"/>
<bit-field key="h" name="H" description="Half Carry Flag" mask="0x20"/>
<bit-field key="s" name="S" description="Sign Bit" mask="0x10"/>
<bit-field key="v" name="V" description="Two's Complement Overflow Flag" mask="0x08"/>
<bit-field key="n" name="N" description="Negative Flag" mask="0x04"/>
<bit-field key="z" name="Z" description="Zero Flag" mask="0x02"/>
<bit-field key="c" name="C" description="Carry Flag" mask="0x01"/>
</register>
<register key="clkpr" name="CLKPR" description="Clock Prescale Register" offset="0x61" size="1">
<bit-field key="clkps" name="CLKPS" description="Clock Prescaler Select Bits" mask="0x0F"/>
</register>
<register key="prr" name="PRR" description="Power Reduction Register" offset="0x64" size="1">
<bit-field key="prtwi" name="PRTWI" description="Power Reduction TWI" mask="0x80"/>
<bit-field key="prtim0" name="PRTIM0" description="Power Reduction Timer/Counter0" mask="0x20"/>
<bit-field key="prtim1" name="PRTIM1" description="Power Reduction Timer/Counter1" mask="0x08"/>
<bit-field key="prspi" name="PRSPI" description="Power Reduction SPI" mask="0x04"/>
<bit-field key="prusart0" name="PRUSART0" description="Power Reduction USART 0" mask="0x02"/>
<bit-field key="pradc" name="PRADC" description="Power Reduction ADC" mask="0x01"/>
</register>
<register key="osccal0" name="OSCCAL0" description="Oscillator Calibration Register 8MHz" offset="0x66" size="1"/>
<register key="osccal1" name="OSCCAL1" description="Oscillator Calibration Register 32kHz" offset="0x67" size="1"/>
<register key="osctcal0a" name="OSCTCAL0A" description="Oscillator Temperature Calibration Register A" offset="0xF0" size="1"/>
<register key="osctcal0b" name="OSCTCAL0B" description="Oscillator Temperature Calibration Register B" offset="0xF1" size="1"/>
</register-group>
</module>
<module key="tc8" name="TC8" description="Timer/Counter, 8-bit">
<register-group key="tc0" name="TC0">
<register key="tifr0" name="TIFR0" description="Timer/Counter0 Interrupt Flag register" offset="0x35" size="1">
<bit-field key="ocf0b" name="OCF0B" description="Timer/Counter0 Output Compare Flag 0B" mask="0x04"/>
<bit-field key="ocf0a" name="OCF0A" description="Timer/Counter0 Output Compare Flag 0A" mask="0x02"/>
<bit-field key="tov0" name="TOV0" description="Timer/Counter0 Overflow Flag" mask="0x01"/>
</register>
<register key="gtccr" name="GTCCR" description="General Timer/Counter Control Register" offset="0x43" size="1">
<bit-field key="tsm" name="TSM" description="Timer/Counter Synchronization Mode" mask="0x80"/>
<bit-field key="psrsync" name="PSRSYNC" description="Prescaler Reset Timer/Counter1 and Timer/Counter0" mask="0x01"/>
</register>
<register key="tccr0a" name="TCCR0A" description="Timer/Counter Control Register A" offset="0x44" size="1">
<bit-field key="com0a" name="COM0A" description="Compare Output Mode, Phase Correct PWM Mode" mask="0xC0"/>
<bit-field key="com0b" name="COM0B" description="Compare Output Mode, Fast PWm" mask="0x30"/>
<bit-field key="wgm0" name="WGM0" description="Waveform Generation Mode" mask="0x03"/>
</register>
<register key="tccr0b" name="TCCR0B" description="Timer/Counter Control Register B" offset="0x45" size="1">
<bit-field key="foc0a" name="FOC0A" description="Force Output Compare A" mask="0x80"/>
<bit-field key="foc0b" name="FOC0B" description="Force Output Compare B" mask="0x40"/>
<bit-field key="wgm02" name="WGM02" mask="0x08"/>
<bit-field key="cs0" name="CS0" description="Clock Select" mask="0x07"/>
</register>
<register key="tcnt0" name="TCNT0" description="Timer/Counter0" offset="0x46" size="1"/>
<register key="ocr0a" name="OCR0A" description="Timer/Counter0 Output Compare Register" offset="0x47" size="1"/>
<register key="ocr0b" name="OCR0B" description="Timer/Counter0 Output Compare Register" offset="0x48" size="1"/>
<register key="timsk0" name="TIMSK0" description="Timer/Counter0 Interrupt Mask Register" offset="0x6E" size="1">
<bit-field key="ocie0b" name="OCIE0B" description="Timer/Counter0 Output Compare Match B Interrupt Enable" mask="0x04"/>
<bit-field key="ocie0a" name="OCIE0A" description="Timer/Counter0 Output Compare Match A Interrupt Enable" mask="0x02"/>
<bit-field key="toie0" name="TOIE0" description="Timer/Counter0 Overflow Interrupt Enable" mask="0x01"/>
</register>
</register-group>
</module>
<module key="tc16" name="TC16" description="Timer/Counter, 16-bit">
<register-group key="tc1" name="TC1">
<register key="tifr1" name="TIFR1" description="Timer/Counter Interrupt Flag register" offset="0x36" size="1">
<bit-field key="icf1" name="ICF1" description="Input Capture Flag 1" mask="0x20"/>
<bit-field key="ocf1b" name="OCF1B" description="Output Compare Flag 1B" mask="0x04"/>
<bit-field key="ocf1a" name="OCF1A" description="Output Compare Flag 1A" mask="0x02"/>
<bit-field key="tov1" name="TOV1" description="Timer/Counter1 Overflow Flag" mask="0x01"/>
</register>
<register key="gtccr" name="GTCCR" description="General Timer/Counter Control Register" offset="0x43" size="1">
<bit-field key="tsm" name="TSM" description="Timer/Counter Synchronization Mode" mask="0x80"/>
<bit-field key="psrsync" name="PSRSYNC" description="Prescaler Reset Timer/Counter1 and Timer/Counter0" mask="0x01"/>
</register>
<register key="timsk1" name="TIMSK1" description="Timer/Counter Interrupt Mask Register" offset="0x6F" size="1">
<bit-field key="icie1" name="ICIE1" description="Timer/Counter1 Input Capture Interrupt Enable" mask="0x20"/>
<bit-field key="ocie1b" name="OCIE1B" description="Timer/Counter1 Output CompareB Match Interrupt Enable" mask="0x04"/>
<bit-field key="ocie1a" name="OCIE1A" description="Timer/Counter1 Output CompareA Match Interrupt Enable" mask="0x02"/>
<bit-field key="toie1" name="TOIE1" description="Timer/Counter1 Overflow Interrupt Enable" mask="0x01"/>
</register>
<register key="tccr1a" name="TCCR1A" description="Timer/Counter1 Control Register A" offset="0x80" size="1">
<bit-field key="com1a" name="COM1A" description="Compare Output Mode 1A, bits" mask="0xC0"/>
<bit-field key="com1b" name="COM1B" description="Compare Output Mode 1B, bits" mask="0x30"/>
<bit-field key="wgm1" name="WGM1" description="Waveform Generation Mode" mask="0x03"/>
</register>
<register key="tccr1b" name="TCCR1B" description="Timer/Counter1 Control Register B" offset="0x81" size="1">
<bit-field key="icnc1" name="ICNC1" description="Input Capture 1 Noise Canceler" mask="0x80"/>
<bit-field key="ices1" name="ICES1" description="Input Capture 1 Edge Select" mask="0x40"/>
<bit-field key="wgm1" name="WGM1" description="Waveform Generation Mode" mask="0x18"/>
<bit-field key="cs1" name="CS1" description="Prescaler source of Timer/Counter 1" mask="0x07"/>
</register>
<register key="tccr1c" name="TCCR1C" description="Timer/Counter1 Control Register C" offset="0x82" size="1">
<bit-field key="foc1a" name="FOC1A" mask="0x80"/>
<bit-field key="foc1b" name="FOC1B" mask="0x40"/>
</register>
<register key="tcnt1" name="TCNT1" description="Timer/Counter1 Bytes" offset="0x84" size="2"/>
<register key="icr1" name="ICR1" description="Timer/Counter1 Input Capture Register Bytes" offset="0x86" size="2"/>
<register key="ocr1a" name="OCR1A" description="Timer/Counter1 Output Compare Register Bytes" offset="0x88" size="2"/>
<register key="ocr1b" name="OCR1B" description="Timer/Counter1 Output Compare Register Bytes" offset="0x8A" size="2"/>
</register-group>
</module>
<module key="tocpm" name="TOCPM" description="Timer/Counter Output Compare Pin">
<register-group key="tocpm" name="TOCPM">
<register key="tocpmcoe" name="TOCPMCOE" description="Timer Output Compare Pin Mux Channel Output Enable" offset="0xE2" size="1">
<bit-field key="tocc7oe" name="TOCC7OE" description="Timer Output Compare Channel 7 Output Enable" mask="0x80"/>
<bit-field key="tocc6oe" name="TOCC6OE" description="Timer Output Compare Channel 6 Output Enable" mask="0x40"/>
<bit-field key="tocc5oe" name="TOCC5OE" description="Timer Output Compare Channel 5 Output Enable" mask="0x20"/>
<bit-field key="tocc4oe" name="TOCC4OE" description="Timer Output Compare Channel 4 Output Enable" mask="0x10"/>
<bit-field key="tocc3oe" name="TOCC3OE" description="Timer Output Compare Channel 3 Output Enable" mask="0x08"/>
<bit-field key="tocc2oe" name="TOCC2OE" description="Timer Output Compare Channel 2 Output Enable" mask="0x04"/>
<bit-field key="tocc1oe" name="TOCC1OE" description="Timer Output Compare Channel 1 Output Enable" mask="0x02"/>
<bit-field key="tocc0oe" name="TOCC0OE" description="Timer Output Compare Channel 0 Output Enable" mask="0x01"/>
</register>
<register key="tocpmsa0" name="TOCPMSA0" description="Timer Output Compare Pin Mux Selection 0" offset="0xE8" size="1">
<bit-field key="tocc3s" name="TOCC3S" description="Timer Output Compare Channel 3 Selection Bits" mask="0xC0"/>
<bit-field key="tocc2s" name="TOCC2S" description="Timer Output Compare Channel 2 Selection Bits" mask="0x30"/>
<bit-field key="tocc1s" name="TOCC1S" description="Timer Output Compare Channel 1 Selection Bits" mask="0x0C"/>
<bit-field key="tocc0s" name="TOCC0S" description="Timer Output Compare Channel 0 Selection Bits" mask="0x03"/>
</register>
<register key="tocpmsa1" name="TOCPMSA1" description="Timer Output Compare Pin Mux Selection 1" offset="0xE9" size="1">
<bit-field key="tocc7s" name="TOCC7S" description="Timer Output Compare Channel 7 Selection Bits" mask="0xC0"/>
<bit-field key="tocc6s" name="TOCC6S" description="Timer Output Compare Channel 6 Selection Bits" mask="0x30"/>
<bit-field key="tocc5s" name="TOCC5S" description="Timer Output Compare Channel 5 Selection Bits" mask="0x0C"/>
<bit-field key="tocc4s" name="TOCC4S" description="Timer Output Compare Channel 4 Selection Bits" mask="0x03"/>
</register>
</register-group>
</module>
<module key="adc" name="ADC" description="Analog-to-Digital Converter">
<register-group key="adc" name="ADC">
<register key="adc" name="ADC" description="ADC Data Register Bytes" offset="0x78" size="2"/>
<register key="adcsra" name="ADCSRA" description="The ADC Control and Status register" offset="0x7A" size="1">
<bit-field key="aden" name="ADEN" description="ADC Enable" mask="0x80"/>
<bit-field key="adsc" name="ADSC" description="ADC Start Conversion" mask="0x40"/>
<bit-field key="adate" name="ADATE" description="ADC Auto Trigger Enable" mask="0x20"/>
<bit-field key="adif" name="ADIF" description="ADC Interrupt Flag" mask="0x10"/>
<bit-field key="adie" name="ADIE" description="ADC Interrupt Enable" mask="0x08"/>
<bit-field key="adps" name="ADPS" description="ADC Prescaler Select Bits" mask="0x07"/>
</register>
<register key="adcsrb" name="ADCSRB" description="ADC Control and Status Register B" offset="0x7B" size="1">
<bit-field key="adlar" name="ADLAR" mask="0x08"/>
<bit-field key="adts" name="ADTS" description="ADC Auto Trigger Sources" mask="0x07"/>
</register>
<register key="admuxa" name="ADMUXA" description="The ADC multiplexer Selection Register A" offset="0x7C" size="1">
<bit-field key="mux" name="MUX" description="Analog Channel Selection Bits 4:0" mask="0x1F"/>
</register>
<register key="admuxb" name="ADMUXB" description="The ADC multiplexer Selection Register B" offset="0x7D" size="1">
<bit-field key="refs" name="REFS" description="Reference Selection Bit" mask="0x20"/>
<bit-field key="mux5" name="MUX5" description="Analog Channel Selection Bit 5" mask="0x01"/>
</register>
<register key="didr0" name="DIDR0" description="Digital Input Disable Register 0" offset="0x7E" size="1">
<bit-field key="adc7d" name="ADC7D" description="ADC7 Digital input Disable" mask="0x80"/>
<bit-field key="adc6d" name="ADC6D" description="ADC6 Digital input Disable" mask="0x40"/>
<bit-field key="adc5d" name="ADC5D" description="ADC5 Digital input Disable" mask="0x20"/>
<bit-field key="adc4d" name="ADC4D" description="ADC4 Digital input Disable" mask="0x10"/>
<bit-field key="adc3d" name="ADC3D" description="ADC3 Digital input Disable" mask="0x08"/>
<bit-field key="adc2d" name="ADC2D" description="ADC2 Digital input Disable" mask="0x04"/>
<bit-field key="adc1d" name="ADC1D" description="ADC1 Digital input Disable" mask="0x02"/>
<bit-field key="adc0d" name="ADC0D" description="ADC0 Digital input Disable" mask="0x01"/>
</register>
<register key="didr1" name="DIDR1" description="Digital Input Disable Register 1" offset="0x7F" size="1">
<bit-field key="adc15d" name="ADC15D" description="ADC15 Digital input Disable" mask="0x80"/>
<bit-field key="adc14d" name="ADC14D" description="ADC14 Digital input Disable" mask="0x40"/>
<bit-field key="adc13d" name="ADC13D" description="ADC13 Digital input Disable" mask="0x20"/>
<bit-field key="adc12d" name="ADC12D" description="ADC12 Digital input Disable" mask="0x10"/>
<bit-field key="adc11d" name="ADC11D" description="ADC11 Digital input Disable" mask="0x08"/>
<bit-field key="adc10d" name="ADC10D" description="ADC10 Digital input Disable" mask="0x04"/>
<bit-field key="adc9d" name="ADC9D" description="ADC9 Digital input Disable" mask="0x02"/>
<bit-field key="adc8d" name="ADC8D" description="ADC8 Digital input Disable" mask="0x01"/>
</register>
<register key="didr2" name="DIDR2" description="Digital Input Disable Register 2" offset="0xDE" size="1">
<bit-field key="adc23d" name="ADC23D" description="ADC23 Digital input Disable" mask="0x80"/>
<bit-field key="adc22d" name="ADC22D" description="ADC22 Digital input Disable" mask="0x40"/>
<bit-field key="adc21d" name="ADC21D" description="ADC21 Digital input Disable" mask="0x20"/>
<bit-field key="adc20d" name="ADC20D" description="ADC20 Digital input Disable" mask="0x10"/>
<bit-field key="adc19d" name="ADC19D" description="ADC19 Digital input Disable" mask="0x08"/>
<bit-field key="adc18d" name="ADC18D" description="ADC18 Digital input Disable" mask="0x04"/>
<bit-field key="adc17d" name="ADC17D" description="ADC17 Digital input Disable" mask="0x02"/>
<bit-field key="adc16d" name="ADC16D" description="ADC16 Digital input Disable" mask="0x01"/>
</register>
<register key="didr3" name="DIDR3" description="Digital Input Disable Register 2" offset="0xDF" size="1">
<bit-field key="adc27d" name="ADC27D" description="ADC27 Digital input Disable" mask="0x08"/>
<bit-field key="adc26d" name="ADC26D" description="ADC26 Digital input Disable" mask="0x04"/>
<bit-field key="adc25d" name="ADC25D" description="ADC25 Digital input Disable" mask="0x02"/>
<bit-field key="adc24d" name="ADC24D" description="ADC24 Digital input Disable" mask="0x01"/>
</register>
</register-group>
</module>
<module key="ac" name="AC" description="Analog Comparator">
<register-group key="ac" name="AC">
<register key="acsrb" name="ACSRB" description="Analog Comparator Control And Status Register B" offset="0x4F" size="1">
<bit-field key="hsel" name="HSEL" description="Hysteresis Select" mask="0x80"/>
<bit-field key="hlev" name="HLEV" description="Hysteresis Level" mask="0x40"/>
<bit-field key="acnmux" name="ACNMUX" description="Analog Comparator Negative Input Multiplexer" mask="0x0C"/>
<bit-field key="acpmux" name="ACPMUX" description="Analog Comparator Positive Input Multiplexer Bits 1:0" mask="0x03"/>
</register>
<register key="acsra" name="ACSRA" description="Analog Comparator Control And Status Register A" offset="0x50" size="1">
<bit-field key="acd" name="ACD" description="Analog Comparator Disable" mask="0x80"/>
<bit-field key="acpmux2" name="ACPMUX2" description="Analog Comparator Positive Input Multiplexer Bit 2" mask="0x40"/>
<bit-field key="aco" name="ACO" description="Analog Compare Output" mask="0x20"/>
<bit-field key="aci" name="ACI" description="Analog Comparator Interrupt Flag" mask="0x10"/>
<bit-field key="acie" name="ACIE" description="Analog Comparator Interrupt Enable" mask="0x08"/>
<bit-field key="acic" name="ACIC" description="Analog Comparator Input Capture Enable" mask="0x04"/>
<bit-field key="acis" name="ACIS" description="Analog Comparator Interrupt Mode Select bits" mask="0x03"/>
</register>
</register-group>
</module>
<module key="exint" name="EXINT" description="External Interrupts">
<register-group key="exint" name="EXINT">
<register key="pcifr" name="PCIFR" description="Pin Change Interrupt Flag Register" offset="0x3B" size="1">
<bit-field key="pcif" name="PCIF" description="Pin Change Interrupt Flags" mask="0x0F"/>
</register>
<register key="eifr" name="EIFR" description="External Interrupt Flag Register" offset="0x3C" size="1">
<bit-field key="intf" name="INTF" description="External Interrupt Flags" mask="0x03"/>
</register>
<register key="eimsk" name="EIMSK" description="External Interrupt Mask Register" offset="0x3D" size="1">
<bit-field key="int" name="INT" description="External Interrupt Request Enables" mask="0x03"/>
</register>
<register key="pcicr" name="PCICR" description="Pin Change Interrupt Control Register" offset="0x68" size="1">
<bit-field key="pcie" name="PCIE" description="Pin Change Interrupt Enables" mask="0x0F"/>
</register>
<register key="eicra" name="EICRA" description="External Interrupt Control Register" offset="0x69" size="1">
<bit-field key="isc1" name="ISC1" description="External Interrupt Sense Control 1 Bits" mask="0x0C"/>
<bit-field key="isc0" name="ISC0" description="External Interrupt Sense Control 0 Bits" mask="0x03"/>
</register>
<register key="pcmsk0" name="PCMSK0" description="Pin Change Mask Register 0" offset="0x6B" size="1">
<bit-field key="pcint" name="PCINT" description="Pin Change Enable Masks" mask="0xFF"/>
</register>
<register key="pcmsk1" name="PCMSK1" description="Pin Change Mask Register 1" offset="0x6C" size="1">
<bit-field key="pcint" name="PCINT" description="Pin Change Enable Masks" mask="0xFF"/>
</register>
<register key="pcmsk2" name="PCMSK2" description="Pin Change Mask Register 2" offset="0x6D" size="1">
<bit-field key="pcint" name="PCINT" description="Pin Change Enable Masks" mask="0xFF"/>
</register>
<register key="pcmsk3" name="PCMSK3" description="Pin Change Mask Register 3" offset="0x73" size="1">
<bit-field key="pcint" name="PCINT" description="Pin Change Enable Masks" mask="0x0F"/>
</register>
</register-group>
</module>
<module key="wdt" name="WDT" description="Watchdog Timer">
<register-group key="wdt" name="WDT">
<register key="wdtcsr" name="WDTCSR" description="Watchdog Timer Control and Status Register" offset="0x60" size="1">
<bit-field key="wdif" name="WDIF" description="Watchdog Timer Interrupt Flag" mask="0x80"/>
<bit-field key="wdie" name="WDIE" description="Watchdog Timer Interrupt Enable" mask="0x40"/>
<bit-field key="wdp" name="WDP" description="Watchdog Timer Prescaler Bits" mask="0x27"/>
<bit-field key="wde" name="WDE" description="Watch Dog Enable" mask="0x08"/>
</register>
</register-group>
</module>
<module key="eeprom" name="EEPROM" description="EEPROM">
<register-group key="eeprom" name="EEPROM">
<register key="eecr" name="EECR" description="EEPROM Control Register" offset="0x3F" size="1">
<bit-field key="eepm" name="EEPM" description="EEPROM Programming Mode Bits" mask="0x30"/>
<bit-field key="eerie" name="EERIE" description="EEProm Ready Interrupt Enable" mask="0x08"/>
<bit-field key="eempe" name="EEMPE" description="EEPROM Master Write Enable" mask="0x04"/>
<bit-field key="eepe" name="EEPE" description="EEPROM Write Enable" mask="0x02"/>
<bit-field key="eere" name="EERE" description="EEPROM Read Enable" mask="0x01"/>
</register>
<register key="eedr" name="EEDR" description="EEPROM Data Register" offset="0x40" size="1"/>
<register key="eear" name="EEAR" description="EEPROM Read/Write Access" offset="0x41" size="1"/>
</register-group>
</module>
<module key="twi" name="TWI" description="Two Wire Serial Interface">
<register-group key="twi" name="TWI">
<register key="twscra" name="TWSCRA" description="TWI Slave Control Register A" offset="0xB8" size="1">
<bit-field key="twshe" name="TWSHE" description="TWI SDA Hold Time Enable" mask="0x80"/>
<bit-field key="twdie" name="TWDIE" description="TWI Data Interrupt Enable" mask="0x20"/>
<bit-field key="twasie" name="TWASIE" description="TWI Address/Stop Interrupt Enable" mask="0x10"/>
<bit-field key="twen" name="TWEN" description="Two-Wire Interface Enable" mask="0x08"/>
<bit-field key="twsie" name="TWSIE" description="TWI Stop Interrupt Enable" mask="0x04"/>
<bit-field key="twpme" name="TWPME" description="TWI Promiscuous Mode Enable" mask="0x02"/>
<bit-field key="twsme" name="TWSME" description="TWI Smart Mode Enable" mask="0x01"/>
</register>
<register key="twscrb" name="TWSCRB" description="TWI Slave Control Register B" offset="0xB9" size="1">
<bit-field key="twhnm" name="TWHNM" description="TWI High Noise Mode" mask="0x08"/>
<bit-field key="twaa" name="TWAA" description="TWI Acknowledge Action" mask="0x04"/>
<bit-field key="twcmd" name="TWCMD" mask="0x03"/>
</register>
<register key="twssra" name="TWSSRA" description="TWI Slave Status Register A" offset="0xBA" size="1">
<bit-field key="twdif" name="TWDIF" description="TWI Data Interrupt Flag." mask="0x80"/>
<bit-field key="twasif" name="TWASIF" description="TWI Address/Stop Interrupt Flag" mask="0x40"/>
<bit-field key="twch" name="TWCH" description="TWI Clock Hold" mask="0x20"/>
<bit-field key="twra" name="TWRA" description="TWI Receive Acknowledge" mask="0x10"/>
<bit-field key="twc" name="TWC" description="TWI Collision" mask="0x08"/>
<bit-field key="twbe" name="TWBE" description="TWI Bus Error" mask="0x04"/>
<bit-field key="twdir" name="TWDIR" description="TWI Read/Write Direction" mask="0x02"/>
<bit-field key="twas" name="TWAS" description="TWI Address or Stop" mask="0x01"/>
</register>
<register key="twsam" name="TWSAM" description="TWI Slave Address Mask Register" offset="0xBB" size="1">
<bit-field key="twsam" name="TWSAM" description="TWI Address Mask Bits" mask="0xFE"/>
<bit-field key="twae" name="TWAE" description="TWI Address Enable" mask="0x01"/>
</register>
<register key="twsa" name="TWSA" description="TWI Slave Address Register" offset="0xBC" size="1"/>
<register key="twsd" name="TWSD" description="TWI Slave Data Register" offset="0xBD" size="1">
<bit-field key="twsd" name="TWSD" description="TWI slave data bit" mask="0xFF"/>
</register>
</register-group>
</module>
<module key="usart" name="USART" description="USART">
<register-group key="usart" name="USART">
<register key="ucsra" name="UCSRA" description="USART Control and Status Register A" offset="0xC0" size="1">
<bit-field key="rxc" name="RXC" description="USART Receive Complete" mask="0x80"/>
<bit-field key="txc" name="TXC" description="USART Transmitt Complete" mask="0x40"/>
<bit-field key="udre" name="UDRE" description="USART Data Register Empty" mask="0x20"/>
<bit-field key="fe" name="FE" description="Framing Error" mask="0x10"/>
<bit-field key="dor" name="DOR" description="Data overRun" mask="0x08"/>
<bit-field key="upe" name="UPE" description="Parity Error" mask="0x04"/>
<bit-field key="u2x" name="U2X" description="Double the USART transmission speed" mask="0x02"/>
<bit-field key="mpcm" name="MPCM" description="Multi-processor Communication Mode" mask="0x01"/>
</register>
<register key="ucsrb" name="UCSRB" description="USART Control and Status Register B" offset="0xC1" size="1">
<bit-field key="rxcie" name="RXCIE" description="RX Complete Interrupt Enable" mask="0x80"/>
<bit-field key="txcie" name="TXCIE" description="TX Complete Interrupt Enable" mask="0x40"/>
<bit-field key="udrie" name="UDRIE" description="USART Data register Empty Interrupt Enable" mask="0x20"/>
<bit-field key="rxen" name="RXEN" description="Receiver Enable" mask="0x10"/>
<bit-field key="txen" name="TXEN" description="Transmitter Enable" mask="0x08"/>
<bit-field key="ucsz2" name="UCSZ2" description="Character Size" mask="0x04"/>
<bit-field key="rxb8" name="RXB8" description="Receive Data Bit 8" mask="0x02"/>
<bit-field key="txb8" name="TXB8" description="Transmit Data Bit 8" mask="0x01"/>
</register>
<register key="ucsrc" name="UCSRC" description="USART Control and Status Register C" offset="0xC2" size="1">
<bit-field key="umsel" name="UMSEL" description="USART Mode Select" mask="0xC0"/>
<bit-field key="upm" name="UPM" description="Parity Mode Bits" mask="0x30"/>
<bit-field key="usbs" name="USBS" description="Stop Bit Select" mask="0x08"/>
<bit-field key="ucsz" name="UCSZ" description="Character Size" mask="0x06"/>
<bit-field key="ucpol" name="UCPOL" description="Clock Polarity" mask="0x01"/>
</register>
<register key="ucsrd" name="UCSRD" description="USART Control and Status Register D" offset="0xC3" size="1">
<bit-field key="rxsie" name="RXSIE" description="USART RX Start Interrupt Enable" mask="0x80"/>
<bit-field key="rxs" name="RXS" description="USART RX Start Flag" mask="0x40"/>
<bit-field key="sfde" name="SFDE" description="USART RX Start Frame Detection Enable" mask="0x20"/>
</register>
<register key="ubrr" name="UBRR" description="USART Baud Rate Register Bytes" offset="0xC4" size="2"/>
<register key="udr" name="UDR" description="USART I/O Data Register" offset="0xC6" size="1"/>
</register-group>
</module>
</modules>
<pads>
<pad key="avcc" name="AVCC"/>
<pad key="gnd" name="GND"/>
<pad key="pa0" name="PA0"/>
<pad key="pa1" name="PA1"/>
<pad key="pa2" name="PA2"/>
<pad key="pa3" name="PA3"/>
<pad key="pa4" name="PA4"/>
<pad key="pa5" name="PA5"/>
<pad key="pa6" name="PA6"/>
<pad key="pa7" name="PA7"/>
<pad key="pb0" name="PB0"/>
<pad key="pb1" name="PB1"/>
<pad key="pb2" name="PB2"/>
<pad key="pb3" name="PB3"/>
<pad key="pb4" name="PB4"/>
<pad key="pb5" name="PB5"/>
<pad key="pb6" name="PB6"/>
<pad key="pb7" name="PB7"/>
<pad key="pc0" name="PC0"/>
<pad key="pc1" name="PC1"/>
<pad key="pc2" name="PC2"/>
<pad key="pc3" name="PC3"/>
<pad key="pc4" name="PC4"/>
<pad key="pc5" name="PC5"/>
<pad key="pc6" name="PC6"/>
<pad key="pc7" name="PC7"/>
<pad key="pd0" name="PD0"/>
<pad key="pd1" name="PD1"/>
<pad key="pd2" name="PD2"/>
<pad key="pd3" name="PD3"/>
<pad key="vcc" name="VCC"/>
</pads>
<pinouts>
<pinout key="qfp_qfn_32" name="QFP_QFN_32" type="qfn">
<pin position="1" pad-key="pc2"/>
<pin position="2" pad-key="pc3"/>
<pin position="3" pad-key="pc4"/>
<pin position="4" pad-key="vcc"/>
<pin position="5" pad-key="gnd"/>
<pin position="6" pad-key="pc5"/>
<pin position="7" pad-key="pc6"/>
<pin position="8" pad-key="pc7"/>
<pin position="9" pad-key="pa0"/>
<pin position="10" pad-key="pa1"/>
<pin position="11" pad-key="pa2"/>
<pin position="12" pad-key="pa3"/>
<pin position="13" pad-key="pa4"/>
<pin position="14" pad-key="pa5"/>
<pin position="15" pad-key="pa6"/>
<pin position="16" pad-key="pa7"/>
<pin position="17" pad-key="pb0"/>
<pin position="18" pad-key="avcc"/>
<pin position="19" pad-key="pb1"/>
<pin position="20" pad-key="pb2"/>
<pin position="21" pad-key="gnd"/>
<pin position="22" pad-key="pb3"/>
<pin position="23" pad-key="pb4"/>
<pin position="24" pad-key="pb5"/>
<pin position="25" pad-key="pb6"/>
<pin position="26" pad-key="pb7"/>
<pin position="27" pad-key="pd0"/>
<pin position="28" pad-key="pd1"/>
<pin position="29" pad-key="pd2"/>
<pin position="30" pad-key="pd3"/>
<pin position="31" pad-key="pc0"/>
<pin position="32" pad-key="pc1"/>
</pinout>
</pinouts>
<variants>
<variant key="attiny828_mu" name="ATtiny828-MU" pinout-key="qfp_qfn_32"/>
<variant key="attiny828_au" name="ATtiny828-AU" pinout-key="qfp_qfn_32"/>
</variants>
</device>