ATMEGA64A_09 Datasheet, PDF (10/21 Pages) ATMEL Corporation – 8-bit Microcontroller with 64K Bytes In-System Programmable Flash

ATmega64A
5. Register Summary (Continued)
Address
(0x60)
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)
0x22 (0x42)
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)
Name
Reserved
SREG
SPH
SPL
XDIV
Reserved
EICRB
EIMSK
EIFR
TIMSK
TIFR
MCUCR
MCUCSR
TCCR0
TCNT0
OCR0
ASSR
TCCR1A
TCCR1B
TCNT1H
TCNT1L
OCR1AH
OCR1AL
OCR1BH
OCR1BL
ICR1H
ICR1L
TCCR2
TCNT2
OCR2
OCDR
WDTCR
SFIOR
EEARH
EEARL
EEDR
EECR
PORTA
DDRA
PINA
PORTB
DDRB
PINB
PORTC
DDRC
PINC
PORTD
DDRD
PIND
SPDR
SPSR
SPCR
UDR0
UCSR0A
UCSR0B
UBRR0L
ACSR
ADMUX
ADCSRA
ADCH
ADCL
PORTE
DDRE
PINE
Bit 7
–
I
SP15
SP7
XDIVEN
–
ISC71
INT7
INTF7
OCIE2
OCF2
SRE
JTD
FOC0
–
COM1A1
ICNC1
FOC2
IDRD/
OCDR7
–
TSM
–
–
PORTA7
DDA7
PINA7
PORTB7
DDB7
PINB7
PORTC7
DDC7
PINC7
PORTD7
DDD7
PIND7
SPIF
SPIE
RXC0
RXCIE0
ACD
REFS1
ADEN
PORTE7
DDE7
PINE7
Bit 6
–
T
SP14
SP6
XDIV6
–
ISC70
INT6
INTF6
TOIE2
TOV2
SRW10
–
WGM00
–
COM1A0
ICES1
WGM20
OCDR6
–
–
–
–
PORTA6
DDA6
PINA6
PORTB6
DDB6
PINB6
PORTC6
DDC6
PINC6
PORTD6
DDD6
PIND6
WCOL
SPE
TXC0
TXCIE0
ACBG
REFS0
ADSC
PORTE6
DDE6
PINE6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
–
–
–
–
H
S
V
N
SP13
SP12
SP11
SP10
SP5
SP4
SP3
SP2
XDIV5
XDIV4
XDIV3
XDIV2
–
–
–
–
ISC61
ISC60
ISC51
ISC50
INT5
INT4
INT3
INT2
INTF5
INTF4
INTF3
INTF
TICIE1
OCIE1A
OCIE1B
TOIE1
ICF1
OCF1A
OCF1B
TOV1
SE
SM1
SM0
SM2
–
JTRF
WDRF
BORF
COM01
COM00
WGM01
CS02
Timer/Counter0 (8 Bit)
Timer/Counter0 Output Compare Register
–
–
AS0
TCN0UB
COM1B1
COM1B0
COM1C1
COM1C0
–
WGM13
WGM12
CS12
Timer/Counter1 – Counter Register High Byte
Timer/Counter1 – Counter Register Low Byte
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
COM21
COM20
WGM21
CS22
Timer/Counter2 (8 Bit)
Timer/Counter2 Output Compare Register
–
Z
SP9
SP1
XDIV1
–
ISC41
INT1
INTF1
OCIE0
OCF0
IVSEL
EXTRF
CS01
OCR0UB
WGM11
CS11
CS21
–
C
SP8
SP0
XDIV0
–
ISC40
INT0
INTF0
TOIE0
TOV0
IVCE
PORF
CS00
TCR0UB
WGM10
CS10
CS20
OCDR5
OCDR4
OCDR3
OCDR2
OCDR1
OCDR0
–
–
–
–
PORTA5
DDA5
PINA5
PORTB5
DDB5
PINB5
PORTC5
DDC5
PINC5
PORTD5
DDD5
PIND5
–
DORD
UDRE0
UDRIE0
ACO
ADLAR
ADATE
PORTE5
DDE5
PINE5
WDCE
WDE
WDP2
WDP1
WDP0
–
ACME
PUD
PSR0
PSR321
–
–
EEPROM Address Register High Byte
EEPROM Address Register Low Byte
EEPROM Data Register
–
EERIE
EEMWE
EEWE
EERE
PORTA4
PORTA3
PORTA2
PORTA1
PORTA0
DDA4
DDA3
DDA2
DDA1
DDA0
PINA4
PINA3
PINA2
PINA1
PINA0
PORTB4
PORTB3
PORTB2
PORTB1
PORTB0
DDB4
DDB3
DDB2
DDB1
DDB0
PINB4
PINB3
PINB2
PINB1
PINB0
PORTC4
PORTC3
PORTC2
PORTC1
PORTC0
DDC4
DDC3
DDC2
DDC1
DDC0
PINC4
PINC3
PINC2
PINC1
PINC0
PORTD4
PORTD3
PORTD2
PORTD1
PORTD0
DDD4
DDD3
DDD2
DDD1
DDD0
PIND4
PIND3
PIND2
PIND1
PIND0
SPI Data Register
–
–
–
–
SPI2X
MSTR
CPOL
CPHA
SPR1
SPR0
USART0 I/O Data Register
FE0
DOR0
UPE0
U2X0
MPCM0
RXEN0
TXEN0
UCSZ02
RXB80
TXB80
USART0 Baud Rate Register Low
ACI
ACIE
ACIC
ACIS1
ACIS0
MUX4
MUX3
MUX2
MUX1
MUX0
ADIF
ADIE
ADPS2
ADPS1
ADPS0
ADC Data Register High Byte
ADC Data Register Low byte
PORTE4
PORTE3
PORTE2
PORTE1
PORTE0
DDE4
DDE3
DDE2
DDE1
DDE0
PINE4
PINE3
PINE2
PINE1
PINE0
8160CS–AVR–07/09
Page
10
13
13
44
66
67
67
109, 139, 160
109, 141, 160
30, 50, 64
57, 261
106
108
108
108
133
135
137
137
138
138
138
138
139
139
157
160
160
258
57
91, 110, 145, 231
32
32
33
33
88
89
89
89
89
89
89
89
89
90
90
90
173
172
171
196
196
197
200
231
247
249
250
250
90
90
90
10