376
ATmega64A [DATASHEET]
8160D–AVR–02/2013
33. Register Summary
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Page
(0xFF)
Reserved
–
:
Reserved
–
(0x9E)
Reserved
–
(0x9D)
UCSR1C
–
UMSEL1
UPM11
UPM10
USBS1
UCSZ11
UCSZ10
UCPOL1
(0x9C)
UDR1
USART1 I/O Data Register
(0x9B)
UCSR1A
RXC1
TXC1
UDRE1
FE1
DOR1
UPE1
U2X1
MPCM1
(0x9A)
UCSR1B
RXCIE1
TXCIE1
UDRIE1
RXEN1
TXEN1
UCSZ12
RXB81
TXB81
(0x99)
UBRR1L
USART1 Baud Rate Register Low
(0x98)
UBRR1H
–
USART1 Baud Rate Register High
(0x97)
Reserved
–
(0x96)
Reserved
–
(0x95)
UCSR0C
–
UMSEL0
UPM01
UPM00
USBS0
UCSZ01
UCSZ00
UCPOL0
(0x94)
Reserved
–
(0x93)
Reserved
–
(0x92)
Reserved
–
(0x91)
Reserved
–
(0x90)
UBRR0H
–
USART0 Baud Rate Register High
(0x8F)
Reserved
–
(0x8E)
ADCSRB
–
ADTS2
ADTS1
ADTS0
(0x8D)
Reserved
–
(0x8C)
TCCR3C
FOC3A
FOC3B
FOC3C
–
(0x8B)
TCCR3A
COM3A1
COM3A0
COM3B1
COM3B0
COM3C1
COM3C0
WGM31
WGM30
(0x8A)
TCCR3B
ICNC3
ICES3
–
WGM33
WGM32
CS32
CS31
CS30
(0x89)
TCNT3H
Timer/Counter3 – Counter Register High Byte
(0x88)
TCNT3L
Timer/Counter3 – Counter Register Low Byte
(0x87)
OCR3AH
Timer/Counter3 – Output Compare Register A High Byte
(0x86)
OCR3AL
Timer/Counter3 – Output Compare Register A Low Byte
(0x85)
OCR3BH
Timer/Counter3 – Output Compare Register B High Byte
(0x84)
OCR3BL
Timer/Counter3 – Output Compare Register B Low Byte
(0x83)
OCR3CH
Timer/Counter3 – Output Compare Register C High Byte
(0x82)
OCR3CL
Timer/Counter3 – Output Compare Register C Low Byte
(0x81)
ICR3H
Timer/Counter3 – Input Capture Register High Byte
(0x80)
ICR3L
Timer/Counter3 – Input Capture Register Low Byte
(0x7F)
Reserved
–
(0x7E)
Reserved
–
(0x7D)
ETIMSK
–
TICIE3
OCIE3A
OCIE3B
TOIE3
OCIE3C
OCIE1C
(0x7C)
ETIFR
–
ICF3
OCF3A
OCF3B
TOV3
OCF3C
OCF1C
(0x7B)
Reserved
–
(0x7A)
TCCR1C
FOC1A
FOC1B
FOC1C
–
(0x79)
OCR1CH
Timer/Counter1 – Output Compare Register C High Byte
(0x78)
OCR1CL
Timer/Counter1 – Output Compare Register C Low Byte
(0x77)
Reserved
–
(0x76)
Reserved
–
(0x75)
Reserved
–
(0x74)
TWCR
TWINT
TWEA
TWSTA
TWSTO
TWWC
TWEN
–
TWIE
(0x73)
TWDR
Two-wire Serial Interface Data Register
(0x72)
TWAR
TWA6
TWA5
TWA4
TWA3
TWA2
TWA1
TWA0
TWGCE
(0x71)
TWSR
TWS7
TWS6
TWS5
TWS4
TWS3
–
TWPS1
TWPS0
(0x70)
TWBR
Two-wire Serial Interface Bit Rate Register
(0x6F)
OSCCAL
Oscillator Calibration Register
(0x6E)
Reserved
–
(0x6D)
XMCRA
–
SRL2
SRL1
SRL0
SRW01
SRW00
SRW11
(0x6C)
XMCRB
XMBK
–
XMM2
XMM1
XMM0
(0x6B)
Reserved
–
(0x6A)
EICRA
ISC31
ISC30
ISC21
ISC20
ISC11
ISC10
ISC01
ISC00
(0x69)
Reserved
–
(0x68)
SPMCSR
SPMIE
RWWSB
–
RWWSRE
BLBSET
PGWRT
PGERS
SPMEN
(0x67)
Reserved
–
(0x66)
Reserved
–
(0x65)
PORTG
–
PORTG4
PORTG3
PORTG2
PORTG1
PORTG0
(0x64)
DDRG
–
DDG4
DDG3
DDG2
DDG1
DDG0
(0x63)
PING
–
PING4
PING3
PING2
PING1
PING0
(0x62)
PORTF
PORTF7
PORTF6
PORTF5
PORTF4
PORTF3
PORTF2
PORTF1
PORTF0
(0x61)
DDRF
DDF7
DDF6
DDF5
DDF4
DDF3
DDF2
DDF1
DDF0
(0x60)
Reserved
–
0x3F (0x5F)
SREG
I
T
H
S
V
N
Z
C