ATMEGA644/V View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

ATMEGA644/V

8-bit AVR® Microcontroller with 16/32/64K Bytes In-System Programmable Flash

Atmel Corporation 

ATmega164/324/644

Address

(0xBF)

(0xBE)

(0xBD)

(0xBC)

(0xBB)

(0xBA)

(0xB9)

(0xB8)

(0xB7)

(0xB6)

(0xB5)

(0xB4)

(0xB3)

(0xB2)

(0xB1)

(0xB0)

(0xAF)

(0xAE)

(0xAD)

(0xAC)

(0xAB)

(0xAA)

(0xA9)

(0xA8)

(0xA7)

(0xA6)

(0xA5)

(0xA4)

(0xA3)

(0xA2)

(0xA1)

(0xA0)

(0x9F)

(0x9E)

(0x9D)

(0x9C)

(0x9B)

(0x9A)

(0x99)

(0x98)

(0x97)

(0x96)

(0x95)

(0x94)

(0x93)

(0x92)

(0x91)

(0x90)

(0x8F)

(0x8E)

(0x8D)

(0x8C)

(0x8B)

(0x8A)

(0x89)

(0x88)

(0x87)

(0x86)

(0x85)

(0x84)

(0x83)

(0x82)

(0x81)

(0x80)

(0x7F)

(0x7E)

Name

Reserved

Reserved

TWAM

TWCR

TWDR

TWAR

TWSR

TWBR

Reserved

ASSR

Reserved

OCR2B

OCR2A

TCNT2

TCCR2B

TCCR2A

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

OCR1BH

OCR1BL

OCR1AH

OCR1AL

ICR1H

ICR1L

TCNT1H

TCNT1L

Reserved

TCCR1C

TCCR1B

TCCR1A

DIDR1

DIDR0

Bit 7

-

-

TWAM6

TWINT

TWA6

TWS7

-

-

-

FOC2A

COM2A1

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

FOC1A

ICNC1

COM1A1

-

ADC7D

Bit 6

-

-

TWAM5

TWEA

TWA5

TWS6

-

EXCLK

-

FOC2B

COM2A0

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

FOC1B

ICES1

COM1A0

-

ADC6D

Bit 5

Bit 4

Bit 3

Bit 2

-

-

-

-

-

-

-

-

TWAM4

TWAM3

TWAM2

TWAM1

TWSTA

TWSTO

TWWC

TWEN

2-wire Serial Interface Data Register

TWA4

TWA3

TWA2

TWA1

TWS5

TWS4

TWS3

-

2-wire Serial Interface Bit Rate Register

-

-

-

-

AS2

TCN2UB

OCR2AUB

OCR2BUB

-

-

-

-

Timer/Counter2 Output Compare Register B

Timer/Counter2 Output Compare Register A

Timer/Counter2 (8 Bit)

-

-

WGM22

CS22

COM2B1

COM2B0

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

Timer/Counter1 - Output Compare Register B High Byte

Timer/Counter1 - Output Compare Register B Low Byte

Timer/Counter1 - Output Compare Register A High Byte

Timer/Counter1 - Output Compare Register A Low Byte

Timer/Counter1 - Input Capture Register High Byte

Timer/Counter1 - Input Capture Register Low Byte

Timer/Counter1 - Counter Register High Byte

Timer/Counter1 - Counter Register Low Byte

-

-

-

-

-

-

-

-

-

WGM13

WGM12

CS12

COM1B1

COM1B0

-

-

-

-

-

-

ADC5D

ADC4D

ADC3D

ADC2D

Bit 1

-

-

TWAM0

-

TWA0

TWPS1

-

TCR2AUB

-

CS21

WGM21

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

CS11

WGM11

AIN1D

ADC1D

Bit 0

-

-

-

TWIE

TWGCE

TWPS0

-

TCR2BUB

-

CS20

WGM20

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

CS10

WGM10

AIN0D

ADC0D

2593AS–AVR–06/05

Page

223

220

222

223

221

220

145

144

144

144

143

140

126

126

126

126

126

126

126

126

125

124

122

226

244

9

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