ATmega64(L)
Register Summary (Continued)
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Page
(0x60)
Reserved
SREG
–
I
–
T
–
H
–
–
–
–
–
0x3F (0x5F)
0x3E (0x5E)
0x3D (0x5D)
0x3C (0x5C)
0x3B (0x5B)
0x3A (0x5A)
0x39 (0x59)
0x38 (0x58)
0x37 (0x57)
0x36 (0x56)
0x35 (0x55)
0x34 (0x54)
0x33 (0x53)
0x32 (0x52)
0x31 (0x51)
0x30 (0x50)
0x2F (0x4F)
0x2E (0x4E)
0x2D (0x4D)
0x2C (0x4C)
0x2B (0x4B)
0x2A (0x4A)
0x29 (0x49)
0x28 (0x48)
0x27 (0x47)
0x26 (0x46)
0x25 (0x45)
0x24 (0x44)
0x23 (0x43)
S
V
N
Z
C
12
14
14
39
SPH
SP15
SP7
SP14
SP6
SP13
SP5
XDIV5
–
SP12
SP4
SP11
SP3
SP10
SP2
SP9
SP8
SPL
SP1
SP0
XDIV
XDIVEN
–
XDIV6
–
XDIV4
–
XDIV3
–
XDIV2
–
XDIV1
–
XDIV0
–
Reserved
EICRB
EIMSK
EIFR
ISC71
INT7
INTF7
OCIE2
OCF2
SRE
JTD
ISC70
INT6
INTF6
TOIE2
TOV2
SRW10
–
ISC61
INT5
INTF5
TICIE1
ICF1
SE
ISC60
INT4
INTF4
OCIE1A
OCF1A
SM1
ISC51
INT3
ISC50
INT2
INTF
TOIE1
TOV1
SM2
BORF
CS02
ISC41
INT1
INTF1
OCIE0
OCF0
IVSEL
EXTRF
CS01
ISC40
INT0
INTF0
TOIE0
TOV0
IVCE
PORF
CS00
92
93
INTF3
OCIE1B
OCF1B
SM0
93
TIMSK
TIFR
110, 141, 161
110, 143, 161
32, 47, 65
56, 258
105
MCUCR
MCUCSR
TCCR0
TCNT0
OCR0
–
JTRF
COM00
WDRF
WGM01
FOC0
WGM00
COM01
Timer/Counter0 (8 Bit)
107
Timer/Counter0 Output Compare Register
107
ASSR
–
–
–
COM1B1
–
–
AS0
TCN0UB
COM1C0
CS12
OCR0UB
WGM11
CS11
TCR0UB
WGM10
CS10
108
TCCR1A
TCCR1B
TCNT1H
TCNT1L
OCR1AH
OCR1AL
OCR1BH
OCR1BL
ICR1H
COM1A1
ICNC1
COM1A0
ICES1
COM1B0
WGM13
COM1C1
WGM12
134
137
Timer/Counter1 – Counter Register High Byte
Timer/Counter1 – Counter Register Low Byte
139
139
Timer/Counter1 – Output Compare Register A High Byte
Timer/Counter1 – Output Compare Register A Low Byte
Timer/Counter1 – Output Compare Register B High Byte
Timer/Counter1 – Output Compare Register B Low Byte
Timer/Counter1 – Input Capture Register High Byte
Timer/Counter1 – Input Capture Register Low Byte
140
140
140
140
141
ICR1L
141
TCCR2
TCNT2
OCR2
FOC2
WGM20
OCDR6
COM21
COM20
WGM21
CS22
CS21
CS20
158
Timer/Counter2 (8 Bit)
160
Timer/Counter2 Output Compare Register
161
IDRD/
OCDR7
0x22 (0x42)
OCDR
OCDR5
OCDR4
OCDR3
OCDR2
OCDR1
OCDR0
255
0x21 (0x41)
0x20 (0x40)
0x1F (0x3F)
0x1E (0x3E)
0x1D (0x3D)
0x1C (0x3C)
0x1B (0x3B)
0x1A (0x3A)
0x19 (0x39)
0x18 (0x38)
0x17 (0x37)
0x16 (0x36)
0x15 (0x35)
0x14 (0x34)
0x13 (0x33)
0x12 (0x32)
0x11 (0x31)
0x10 (0x30)
0x0F (0x2F)
0x0E (0x2E)
0x0D (0x2D)
0x0C (0x2C)
0x0B (0x2B)
0x0A (0x2A)
0x09 (0x29)
0x08 (0x28)
0x07 (0x27)
0x06 (0x26)
0x05 (0x25)
0x04 (0x24)
0x03 (0x23)
0x02 (0x22)
0x01 (0x21)
WDTCR
SFIOR
EEARH
EEARL
EEDR
–
TSM
–
–
–
–
–
–
–
WDCE
WDE
ACME
–
WDP2
PUD
WDP1
PSR0
WDP0
58
–
–
PSR321
73, 112, 146, 229
EEPROM Address Register High Byte
22
22
EEPROM Address Register Low Byte
EEPROM Data Register
22
EECR
–
–
–
–
EERIE
PORTA3
DDA3
EEMWE
PORTA2
DDA2
EEWE
PORTA1
DDA1
EERE
PORTA0
DDA0
22
PORTA
DDRA
PINA
PORTA7
DDA7
PORTA6
DDA6
PORTA5
DDA5
PORTA4
DDA4
88
88
PINA7
PORTB7
DDB7
PINA6
PORTB6
DDB6
PINA5
PORTB5
DDB5
PINA4
PORTB4
DDB4
PINA3
PINA2
PINA1
PINA0
88
PORTB
DDRB
PINB
PORTB3
DDB3
PORTB2
DDB2
PORTB1
DDB1
PORTB0
DDB0
88
88
PINB7
PORTC7
DDC7
PINB6
PORTC6
DDC6
PINB5
PORTC5
DDC5
PINB4
PORTC4
DDC4
PINB3
PINB2
PINB1
PINB0
88
PORTC
DDRC
PINC
PORTC3
DDC3
PORTC2
DDC2
PORTC1
DDC1
PORTC0
DDC0
88
88
PINC7
PORTD7
DDD7
PINC6
PORTD6
DDD6
PINC5
PORTD5
DDD5
PINC4
PORTD4
DDD4
PINC3
PORTD3
DDD3
PINC2
PINC1
PORTD1
DDD1
PINC0
PORTD0
DDD0
89
PORTD
DDRD
PIND
PORTD2
DDD2
89
89
PIND7
PIND6
PIND5
PIND4
PIND3
PIND2
PIND1
PIND0
89
SPDR
SPI Data Register
170
170
168
189
190
191
194
230
245
247
248
248
89
SPSR
SPIF
SPIE
WCOL
SPE
–
–
–
–
–
SPI2X
SPR0
SPCR
DORD
MSTR
CPOL
CPHA
SPR1
UDR0
USART0 I/O Data Register
UCSR0A
UCSR0B
UBRR0L
ACSR
RXC0
TXC0
UDRE0
UDRIE0
FE0
DOR0
UPE0
U2X0
MPCM0
TXB80
RXCIE0
TXCIE0
RXEN0
TXEN0
UCSZ02
RXB80
USART0 Baud Rate Register Low
ACD
REFS1
ADEN
ACBG
REFS0
ADSC
ACO
ACI
MUX4
ADIF
ACIE
MUX3
ADIE
ACIC
MUX2
ADPS2
ACIS1
MUX1
ADPS1
ACIS0
MUX0
ADPS0
ADMUX
ADCSRA
ADCH
ADCL
ADLAR
ADATE
ADC Data Register High Byte
ADC Data Register Low byte
PORTE
DDRE
PINE
PORTE7
DDE7
PORTE6
DDE6
PORTE5
DDE5
PORTE4
DDE4
PORTE3
DDE3
PORTE2
DDE2
PORTE1
DDE1
PORTE0
DDE0
89
PINE7
PINE6
PINE5
PINE4
PINE3
PINE2
PINE1
PINE0
89
9
2490LS–AVR–10/06
ATMEL [ ATMEL ]
