ATmega32M1 register table (also ATmega16M1, ATmega64M1.)
Walking along the table below fills the bits of a
Register
7
6
5
4
3
2
1
0
-
-
-
-
-
-
-
-
/
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
/
0
R0
R1
R2
R3
R4
R5
R6
R7
R8
R9
R10
R11
R12
R13
R14
R15
0
1
R16
R17
R18
R19
R20
R21
R22
R23
R24
R25
R26
R27
R28
R29
R30
R31
1
2
PINB
DDRB
PORTB
PINC
DDRC
PORTC
PIND
DDRD
PORTD
PINE
DDRE
PORTE
2
3
TIFR0
TIFR1
GPIOR1
GPIOR2
PCIFR
EIFR
EIMSK
GPIOR0
EECR
3
4
EEDR
EEAR
EEARL
EEARH
GTCCR
TCCR0A
TCCR0B
TCNT0
OCR0A
OCR0B
PLLCSR
SPCR
SPSR
SPDR
4
5
ACSR
DWDR
SMCR
MCUSR
MCUCR
SPMCSR
5
6
WDTCSR
CLKPR
PRR
OSCCAL
EICRA
PCMSK0
PCMSK1
PCMSK2
PCMSK3
TIMSK0
TIMSK1
6
7
AMP0CSR
AMP1CSR
AMP2CSR
ADCL
ADCH
ADCSRA
ADCSRB
ADMUX
DIDR0
DIDR1
7
8
TCCR1A
TCCR1B
TCCR1C
TCNT1
TCNT1L
TCNT1H
ICR1
ICR1L
ICR1H
OCR1A
OCR1AL
OCR1AH
OCR1B
OCR1BL
OCR1BH
8
9
DACON
DAC
DACL
DACH
AC0CON
AC1CON
AC2CON
AC3CON
9
A
POCR0SA
POCR0SAL
POCR0SAH
POCR0RA
POCR0RAL
POCR0RAH
POCR0SB
POCR0SBL
POCR0SBH
POCR1SA
POCR1SAL
POCR1SAH
POCR1RA
POCR1RAL
POCR1RAH
POCR1SB
POCR1SBL
POCR1SBH
POCR2SA
POCR2SAL
POCR2SAH
POCR2RA
POCR2RAL
POCR2RAH
A
B
POCR2SB
POCR2SBL
POCR2SBH
POCRxRB
POCRxRBL
POCRxRBH
PSYNC
PCNF
POC
PCTL
PMIC0
PMIC1
PMIC2
PIM
PIFR
B
C
LINCR
LINSIR
LINENIR
LINERR
LINBTR
LINBRR
LINBRRL
LINBRRH
LINDLR
C
D
LINIDR
LINSEL
LINDAT
CANGCON
CANGSTA
CANGIT
CANGIE
CANEN2
CANEN1
CANIE2
CANIE1
D
E
CANSIT2
CANSIT1
CANBT1
CANBT2
CANBT3
CANTCON
CANTIML
CANTIMH
CANTTCL
CANTTCH
CANTEC
CANREC
CANHPMOB
CANPAGE
CANSTMOB
CANCDMOB
E
F
CANIDT4
CANIDT3
CANIDT2
CANIDT1
CANIDM4
CANIDM3
CANIDM2
CANIDM1
CANSTML
CANSTMH
CANMSG
F
/
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
/
.