555
8272E–AVR–04/2013
ATmega164A/PA/324A/PA/644A/PA/1284/P
(0xC0)
UCSR0A
RXC0
TXC0
UDRE0
FE0
DOR0
UPE0
U2X0
MPCM0
(0xBF)
Reserved
-
(0xBE)
Reserved
-
(0xBD)
TWAMR
TWAM6
TWAM5
TWAM4
TWAM3
TWAM2
TWAM1
TWAM0
-
(0xBC)
TWCR
TWINT
TWEA
TWSTA
TWSTO
TWWC
TWEN
-TWIE
(0xBB)
TWDR
two-wire Serial Interface Data Register
(0xBA)
TWAR
TWA6
TWA5
TWA4
TWA3
TWA2
TWA1
TWA0
TWGCE
(0xB9)
TWSR
TWS7
TWS6
TWS5
TWS4
TWS3
-
TWPS1
TWPS0
(0xB8)
TWBR
two-wire Serial Interface Bit Rate Register
(0xB7)
Reserved
-
(0xB6)
ASSR
-
EXCLK
AS2
TCN2UB
OCR2AUB
OCR2BUB
TCR2AUB
TCR2BUB
(0xB5)
Reserved
-
(0xB4)
OCR2B
Timer/Counter2 Output Compare Register B
(0xB3)
OCR2A
Timer/Counter2 Output Compare Register A
(0xB2)
TCNT2
Timer/Counter2 (8 Bit)
(0xB1)
TCCR2B
FOC2A
FOC2B
-
WGM22
CS22
CS21
CS20
(0xB0)
TCCR2A
COM2A1
COM2A0
COM2B1
COM2B0
-
-WGM21
WGM20
(0xAF)
Reserved
-
(0xAE)
Reserved
-
(0xAD)
Reserved
-
(0xAC)
Reserved
-
(0xAB)
Reserved
-
(0xAA)
Reserved
-
(0xA9)
Reserved
-
(0xA8)
Reserved
-
(0xA7)
Reserved
-
(0xA6)
Reserved
-
(0xA5)
Reserved
-
(0xA4)
Reserved
-
(0xA3)
Reserved
-
(0xA2)
Reserved
-
(0xA1)
Reserved
-
(0xA0)
Reserved
-
(0x9F)
Reserved
-
(0x9E)
Reserved
-
(0x9D)
Reserved
-
(0x9C)
Reserved
-
(0x9B)
OCR3BH
Timer/Counter3 - Output Compare Register B High Byte
(7)(0x9A)
OCR3BL
Timer/Counter3 - Output Compare Register B Low Byte
(7)(0x99)
OCR3AH
Timer/Counter3 - Output Compare Register A High Byte
(7)(0x98)
OCR3AL
Timer/Counter3 - Output Compare Register A Low Byte
(7)(0x97)
ICR3H
Timer/Counter3 - Input Capture Register High Byte
(7)(0x96)
ICR3L
Timer/Counter3 - Input Capture Register Low Byte
(7)(0x95)
TCNT3H
Timer/Counter3 - Counter Register High
Byte(7)(0x94)
TCNT3L
Timer/Counter3 - Counter Register Low By
te(7)(0x93)
Reserved
-
(0x92)
TCCR3C
FOC3A
FOC3B
-
(0x91)
TCCR3B
ICNC3
ICES3
-
WGM33
WGM32
CS32
CS31
CS30
(0x90)
TCCR3A
COM3A1
COM3A0
COM3B1
COM3B0
-
-WGM31
WGM30
(0x8F)
Reserved
-
(0x8E)
Reserved
-
(0x8D)
Reserved
-
(0x8C)
Reserved
-
(0x8B)
OCR1BH
Timer/Counter1 - Output Compare Register B High Byte
(0x8A)
OCR1BL
Timer/Counter1 - Output Compare Register B Low Byte
(0x89)
OCR1AH
Timer/Counter1 - Output Compare Register A High Byte
(0x88)
OCR1AL
Timer/Counter1 - Output Compare Register A Low Byte
(0x87)
ICR1H
Timer/Counter1 - Input Capture Register High Byte
(0x86)
ICR1L
Timer/Counter1 - Input Capture Register Low Byte
(0x85)
TCNT1H
Timer/Counter1 - Counter Register High Byte
(0x84)
TCNT1L
Timer/Counter1 - Counter Register Low Byte
(0x83)
Reserved
-
(0x82)
TCCR1C
FOC1A
FOC1B
-
(0x81)
TCCR1B
ICNC1
ICES1
-
WGM13
WGM12
CS12
CS11
CS10
(0x80)
TCCR1A
COM1A1
COM1A0
COM1B1
COM1B0
-
-WGM11
WGM10
(0x7F)
DIDR1
-
-AIN1D
AIN0D
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
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