CPU
CPUCPU Registers
ATmega649P peripherals
Each block of the ATmega649P: what it is, the registers that control it and the pins it uses.
PORTA
PORTI/O Port
Registers
PORTB
PORTI/O Port
Registers
PORTC
PORTI/O Port
Registers
PORTD
PORTI/O Port
Registers
PORTE
PORTI/O Port
Registers
PORTF
PORTI/O Port
Registers
PORTG
PORTI/O Port
Registers
EXINT
EXINTExternal Interrupts
Registers
Pins
TC0
TC8Timer/Counter, 8-bit
Registers
Pins
TC1
TC16Timer/Counter, 16-bit
Registers
Pins
TC2
TC8_ASYNCTimer/Counter, 8-bit Async
Registers
Pins
USART0
USARTUSART
Registers
Pins
SPI
SPISerial Peripheral Interface
Registers
Pins
USI
USIUniversal Serial Interface
Registers
Pins
ADC
ADCAnalog-to-Digital Converter
Registers
Pins
AC
ACAnalog Comparator
Registers
Pins
EEPROM
EEPROMEEPROM
Registers
WDT
WDTWatchdog Timer
Registers
JTAG
JTAGJTAG Interface
Registers
Pins
LCD
LCDLiquid Crystal Display
Registers
LCDCRA0xE4LCDCRB0xE5LCDFRR0xE6LCDCCR0xE7LCDDR00xECLCDDR10xEDLCDDR20xEELCDDR30xEFLCDDR50xF1LCDDR60xF2LCDDR70xF3LCDDR80xF4LCDDR100xF6LCDDR110xF7LCDDR120xF8LCDDR130xF9LCDDR150xFBLCDDR160xFCLCDDR170xFDLCDDR180xFE