349
7647H–AVR–03/12
Atmel ATmega16/32/64/M1/C1
(0x7C) ADMUX REFS1 REFS0 ADLAR – MUX3 MUX2 MUX1 MUX0 page 38
(0x7B) ADCSRB ADHSM ISRCEN AREFEN – ADTS3 ADTS2 ADTS1 ADTS0 page 247
(0x7A) ADCSRA ADEN ADSC ADATE ADIF ADIE ADPS2 ADPS1 ADPS0 page 246
(0x79) ADCH - / ADC9 - / ADC8 - / ADC7 - / ADC6 - / ADC5 - / ADC4 ADC9 / ADC3 ADC8 / ADC2 page 249
(0x78) ADCL ADC7 / ADC1 ADC6 / ADC0 ADC5 / - ADC4 / - ADC3 / - ADC2 / - ADC1 / - ADC0 / page 249
(0x77) AMP2CSR AMP2EN AMP2IS AMP2G1 AMP2G0 AMPCMP2 AMP2TS2 AMP2TS1 AMP2TS0 page 255
(0x76) AMP1CSR AMP1EN AMP1IS AMP1G1 AMP1G0 AMPCMP1 AMP1TS2 AMP1TS1 AMP1TS0 page 255
(0x75) AMP0CSR AMP0EN AMP0IS AMP0G1 AMP0G0 AMPCMP0 AMP0TS2 AMP0TS1 AMP0TS0 page 254
(0x74) Reserved – – – – – – – –
(0x73) Reserved – – – – – – – –
(0x72) Reserved – – – – – – – –
(0x71) Reserved – – – – – – – –
(0x70) Reserved – – – – – – – –
(0x6F) TIMSK1 – –ICIE1– – OCIE1B OCIE1A TOIE1 page 134
(0x6E) TIMSK0
– – – – – OCIE0B OCIE0A TOIE0 page 105
(0x6D) PCMSK3
– – – – – PCINT26 PCINT25 PCINT24 page 85
(0x6C) PCMSK2 PCINT23 PCINT22 PCINT21 PCINT20 PCINT19 PCINT18 PCINT17 PCINT16 page 86
(0x6B) PCMSK1 PCINT15 PCINT14 PCINT13 PCINT12 PCINT11 PCINT10 PCINT9 PCINT8 page 86
(0x6A) PCMSK0 PCINT7 PCINT6 PCINT5 PCINT4 PCINT3 PCINT2 PCINT1 PCINT0 page 86
(0x69) EICRA ISC31 ISC30 ISC21 ISC20 ISC11 ISC10 ISC01 ISC00 page 83
(0x68) PCICR – – – – PCIE3 PCIE2 PCIE1 PCIE0 page 84
(0x67) Reserved – – – – – – – –
(0x66) OSCCAL – CAL6 CAL5 CAL4 CAL3 CAL2 CAL1 CAL0 page 34
(0x65) Reserved – – – – – – – –
(0x64) PRR – PRCAN PRPSC PRTIM1 PRTIM0 PRSPI PRLIN PRADC page 43
(0x63) Reserved – – – – – – – –
(0x62) Reserved – – – – – – – –
(0x61) CLKPR CLKPCE – – – CLKPS3 CLKPS2 CLKPS1 CLKPS0 page 38
(0x60) WDTCSR WDIF WDIE WDP3 WDCE WDE WDP2 WDP1 WDP0 page 55
0x3F (0x5F) SREG ITHSVNZ C page 14
0x3E (0x5E) SPH SP15 SP14 SP13 SP12 SP11 SP10 SP9 SP8 page 16
0x3D (0x5D) SPL SP7 SP6 SP5 SP4 SP3 SP2 SP1 SP0 page 16
0x3C (0x5C) Reserved – – – – – – – –
0x3B (0x5B) Reserved – – – – – – – –
0x3A (0x5A) Reserved – – – – – – – –
0x39 (0x59) Reserved – – – – – – – –
0x38 (0x58) Reserved – – – – – – – –
0x37 (0x57) SPMCSR SPMIE RWWSB SIGRD RWWSRE BLBSET PGWRT PGERS SPMEN page 284
0x36 (0x56) Reserved – – – – – – – –
0x35 (0x55) MCUCR SPIPS – –PUD– – IVSEL IVCE page 60 & page 69
0x34 (0x54) MCUSR – – – – WDRF BORF EXTRF PORF page 50
0x33 (0x53) SMCR
– – – –SM2SM1SM0SE page 40
0x32 (0x52) MSMCR Monitor Stop Mode Control Register reserved
0x31 (0x51) MONDR Monitor Data Register reserved
0x30 (0x50) ACSR AC3IF AC2IF AC1IF AC0IF AC3O AC2O AC1O AC0O page 268
0x2F (0x4F) Reserved – – – – – – – –
0x2E (0x4E) SPDR SPD7 SPD6 SPD5 SPD4 SPD3 SPD2 SPD1 SPD0 page 166
0x2D (0x4D) SPSR SPIF WCOL
– – – – –SPI2X page 165
0x2C (0x4C) SPCR SPIE SPE DORD MSTR CPOL CPHA SPR1 SPR0 page 164
0x2B (0x4B) Reserved – – – – – – – –
0x2A (0x4A) Reserved – – – – – – – –
0x29 (0x49) PLLCSR - - - - - PLLF PLLE PLOCK page 36
0x28 (0x48) OCR0B OCR0B7 OCR0B6 OCR0B5 OCR0B4 OCR0B3 OCR0B2 OCR0B1 OCR0B0 page 105
0x27 (0x47) OCR0A OCR0A7 OCR0A6 OCR0A5 OCR0A4 OCR0A3 OCR0A2 OCR0A1 OCR0A0 page 105
0x26 (0x46) TCNT0 TCNT07 TCNT06 TCNT05 TCNT04 TCNT03 TCNT02 TCNT01 TCNT00 page 105
0x25 (0x45) TCCR0B FOC0A FOC0B
– – WGM02 CS02 CS01 CS00 page 104
0x24 (0x44) TCCR0A COM0A1 COM0A0 COM0B1 COM0B0 – –WGM01WGM00 page 101
0x23 (0x43) GTCCR TSM ICPSEL1 – – – – – PSRSYNC page 88
0x22 (0x42) EEARH – – – – – – EEAR9 EEAR8 page 23
0x21 (0x41) EEARL EEAR7 EEAR6 EEAR5 EEAR4 EEAR3 EEAR2 EEAR1 EEAR0 page 23
0x20 (0x40) EEDR EEDR7 EEDR6 EEDR5 EEDR4 EEDR3 EEDR2 EEDR1 EEDR0 page 23
0x1F (0x3F) EECR – – – – EERIE EEMWE EEWE EERE page 23
0x1E (0x3E) GPIOR0 GPIOR07 GPIOR06 GPIOR05 GPIOR04 GPIOR03 GPIOR02 GPIOR01 GPIOR00 page 28
0x1D (0x3D) EIMSK
– – – – INT3 INT2 INT1 INT0 page 83
0x1C (0x3C) EIFR
– – – – INTF3 INTF2 INTF1 INTF0 page 84
Address Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Page
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