10
8011KS–AVR–09/08
ATmega164P/324P/644P
(0x7E) DIDR0 ADC7D ADC6D ADC5D ADC4D ADC3D ADC2D ADC1D ADC0D 260
(0x7D) Reserved - - - - - - - -
(0x7C) ADMUX REFS1 REFS0 ADLAR MUX4 MUX3 MUX2 MUX1 MUX0 256
(0x7B) ADCSRB -ACME - - - ADTS2 ADTS1 ADTS0 239
(0x7A) ADCSRA ADEN ADSC ADATE ADIF ADIE ADPS2 ADPS1 ADPS0 258
(0x79) ADCH ADC Data Register High byte 259
(0x78) ADCL ADC Data Register Low byte 259
(0x77) Reserved - - - - - - - -
(0x76) Reserved - - - - - - - -
(0x75) Reserved - - - - - - - -
(0x74) Reserved - - - - - - - -
(0x73) PCMSK3 PCINT31 PCINT30 PCINT29 PCINT28 PCINT27 PCINT26 PCINT25 PCINT24 71
(0x72) Reserved - - - - - - - -
(0x71) Reserved - - - - - - - -
(0x70) TIMSK2 - - - - - OCIE2B OCIE2A TOIE2 159
(0x6F) TIMSK1 - -ICIE1- - OCIE1B OCIE1A TOIE1 138
(0x6E) TIMSK0 - - - - - OCIE0B OCIE0A TOIE0 110
(0x6D) PCMSK2 PCINT23 PCINT22 PCINT21 PCINT20 PCINT19 PCINT18 PCINT17 PCINT16 71
(0x6C) PCMSK1 PCINT15 PCINT14 PCINT13 PCINT12 PCINT11 PCINT10 PCINT9 PCINT8 71
(0x6B) PCMSK0 PCINT7 PCINT6 PCINT5 PCINT4 PCINT3 PCINT2 PCINT1 PCINT0 72
(0x6A) Reserved - - - - - - - -
(0x69) EICRA - - ISC21 ISC20 ISC11 ISC10 ISC01 ISC00 68
(0x68) PCICR - - - - PCIE3 PCIE2 PCIE1 PCIE0 70
(0x67) Reserved - - - - - - - -
(0x66) OSCCAL Oscillator Calibration Register 41
(0x65) Reserved - - - - - - - -
(0x64) PRR PRTWI PRTIM2 PRTIM0 PRUSART1 PRTIM1 PRSPI PRUSART0 PRADC 49
(0x63) Reserved - - - - - - - -
(0x62) Reserved - - - - - - - -
(0x61) CLKPR CLKPCE - - - CLKPS3 CLKPS2 CLKPS1 CLKPS0 41
(0x60) WDTCSR WDIF WDIE WDP3 WDCE WDE WDP2 WDP1 WDP0 60
0x3F (0x5F) SREG I T H S V N Z C 11
0x3E (0x5E) SPH SP15 SP14 SP13 SP12 SP11 SP10 SP9 SP8 12
0x3D (0x5D) S PL SP7 SP6 SP5 SP 4 SP3 SP2 SP1 SP0 12
0x3C (0x5C) Reserved - - - - - - - -
0x3B (0x5B) RAMPZ - - - - - - - RAMPZ0 15
0x3A (0x5A) Reserved - - - - - - - -
0x39 (0x59) Reserved - - - - - - - -
0x38 (0x58) Reserved - - - - - - - -
0x37 (0x57) SPMCSR SPMIE RWWSB SIGRD RWW SRE BLBSET PGWRT PGERS SPMEN 292
0x36 (0x56) Reserved - - - - - - - -
0x35 (0x55) MCUCR JTD BODS BODSE PUD - - IVSEL IVCE 92/276
0x34 (0x54) MCUSR - - - JTRF WDRF BORF EXTRF PORF 59/276
0x33 (0x53) SMCR - - - - SM2 SM1 SM0 SE 48
0x32 (0x52) Reserved
- - - - - - - -
0x31 (0x51) OCDR On-Chip Debug Regi ste r 266
0x30 (0x50) ACSR ACD ACBG ACO ACI ACIE ACIC ACIS1 ACIS0 258
0x2F (0x4F) Reserved - - - - - - - -
0x2E (0x4E) SPDR SPI 0 Data Register 171
0x2D (0x4D) SPSR SPIF0 WCOL0 - - - - -SPI2X0 170
0x2C (0x4C) S PCR SPIE0 SPE0 DORD0 MSTR0 CPOL0 CPHA0 SPR01 SPR00 169
0x2B (0x4B) GPIOR2 General Purpose I/O Register 2 29
0x2A (0x4A) GPIOR1 General Purpose I/O Register 1 29
0x29 (0x49) Reserved - - - - - - - -
0x28 (0x48) OCR0B Timer/Counter0 Output Compare Register B 110
0x27 (0x47) OCR0A Timer/Counter0 Output Compare Register A 109
0x26 (0x46) TCNT0 Timer/Counter0 (8 Bit) 109
0x25 (0x45) TCCR0B FOC0A FOC0B
- - WGM02 CS02 CS01 CS00 108
0x24 (0x44) TCCR0A COM0A1 COM0A0 COM0B1 COM0B0
- - WGM01 WGM00 110
0x23 (0x43) GTCCR TSM - - - - - PSRASY PSR5SYNC 160
0x22 (0x42) EEARH
- - - - EEPROM Address Register High Byte 24
0x21 (0x41) EEA R L EEPROM Address Register Low Byte 24
0x20 (0x40) EEDR EEPROM Data Regi ste r 24
0x1F (0x3F) EECR - - EEPM1 EEPM0 EERIE EEMPE EEPE EERE 24
0x1E (0x3E) GPIOR0 General Purpose I/O Register 0 29
0x1D (0x3D) EIMSK
- - - - - INT2 INT1 INT0 69
Address Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Page
