ATMEGA644PV View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

ATMEGA644PV

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

Atmel Corporation 

Address

(0xC0)

(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)

Name

UCSR0A

Reserved

Reserved

TWAMR

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

Bit 7

RXC0

-

-

TWAM6

TWINT

TWA6

TWS7

-

-

-

FOC2A

COM2A1

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

FOC1A

ICNC1

COM1A1

-

Bit 6

TXC0

-

-

TWAM5

TWEA

TWA5

TWS6

-

EXCLK

-

FOC2B

COM2A0

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

FOC1B

ICES1

COM1A0

-

Bit 5

Bit 4

Bit 3

Bit 2

UDRE0

FE0

DOR0

UPE0

-

-

-

-

-

-

-

-

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

-

-

-

-

-

-

Bit 1

U2X0

-

-

TWAM0

-

TWA0

TWPS1

-

TCR2AUB

-

CS21

WGM21

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

CS11

WGM11

AIN1D

Bit 0

MPCM0

-

-

-

TWIE

TWGCE

TWPS0

-

TCR2BUB

-

CS20

WGM20

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

CS10

WGM10

AIN0D

Page

190/205

236

233

235

236

235

233

158

158

158

157

156

153

137

137

137

137

138

138

137

137

136

135

133

240

10 ATmega164P/324P/644P

8011OS–AVR–07/10

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