ATMEGA644SLASHV datasheet(10/23 Pages) ATMEL | 8-bit Microcontroller with 16/32/64K Bytes In-System Programmable Flash

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ATMEGA644/V Datasheet(PDF) 10 Page - ATMEL Corporation

Part #	ATMEGA644/V

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

PDF	23 Pages

Scroll/Zoom	100%

Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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ATMEGA644/V Datasheet(HTML) 10 Page - ATMEL Corporation

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ATMEGA644/V Datasheet HTML 10Page - ATMEL Corporation

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background image

10

ATmega164/324/644

2593AS–AVR–06/05

(0x7D)

Reserved

-

-

-

-

-

-

-

-

(0x7C)

ADMUX

REFS1

REFS0

ADLAR

MUX4

MUX3

MUX2

MUX1

MUX0

240

(0x7B)

ADCSRB

-ACME

-

-

-

ADTS2

ADTS1

ADTS0

224

(0x7A)

ADCSRA

ADEN

ADSC

ADATE

ADIF

ADIE

ADPS2

ADPS1

ADPS0

242

(0x79)

ADCH

ADC Data Register High byte

243

(0x78)

ADCL

ADC Data Register Low byte

243

(0x77)

Reserved

-

-

-

-

-

-

-

-

(0x76)

Reserved

-

-

-

-

-

-

-

-

(0x75)

Reserved

-

-

-

-

-

-

-

-

(0x74)

Reserved

-

-

-

-

-

-

-

-

(0x73)

PCMSK3

PCINT31

PCINT30

PCINT29

PCINT28

PCINT27

PCINT26

PCINT25

PCINT24

62

(0x72)

Reserved

-

-

-

-

-

-

-

-

(0x71)

Reserved

-

-

-

-

-

-

-

-

(0x70)

TIMSK2

-

-

-

-

-

OCIE2B

OCIE2A

TOIE2

147

(0x6F)

TIMSK1

-

-ICIE1

-

-

OCIE1B

OCIE1A

TOIE1

127

(0x6E)

TIMSK0

-

-

-

-

-

OCIE0B

OCIE0A

TOIE0

99

(0x6D)

PCMSK2

PCINT23

PCINT22

PCINT21

PCINT20

PCINT19

PCINT18

PCINT17

PCINT16

62

(0x6C)

PCMSK1

PCINT15

PCINT14

PCINT13

PCINT12

PCINT11

PCINT10

PCINT9

PCINT8

62

(0x6B)

PCMSK0

PCINT7

PCINT6

PCINT5

PCINT4

PCINT3

PCINT2

PCINT1

PCINT0

63

(0x6A)

Reserved

-

-

-

-

-

-

-

-

(0x69)

EICRA

-

-

ISC21

ISC20

ISC11

ISC10

ISC01

ISC00

59

(0x68)

PCICR

-

-

-

-

PCIE3

PCIE2

PCIE1

PCIE0

61

(0x67)

Reserved

-

-

-

-

-

-

-

-

(0x66)

OSCCAL

Oscillator Calibration Register

32

(0x65)

Reserved

-

-

-

-

-

-

-

-

(0x64)

PRR0

PRTWI

PRTIM2

PRTIM0

PRUSART1

PRTIM1

PRSPI

PRUSART0

PRADC

40

(0x63)

Reserved

-

-

-

-

-

-

-

-

(0x62)

Reserved

-

-

-

-

-

-

-

-

(0x61)

CLKPR

CLKPCE

-

-

-

CLKPS3

CLKPS2

CLKPS1

CLKPS0

35

(0x60)

WDTCSR

WDIF

WDIE

WDP3

WDCE

WDE

WDP2

WDP1

WDP0

52

0x3F (0x5F)

SREG

I

T

H

S

V

N

Z

C

9

0x3E (0x5E)

SPH

SP15

SP14

SP13

SP12

SP11

SP10

SP9

SP8

10

0x3D (0x5D)

SPL

SP7

SP6

SP5

SP4

SP3

SP2

SP1

SP0

10

0x3C (0x5C)

Reserved

-

-

-

-

-

-

-

-

0x3B (0x5B)

RAMPZ

-

-

-

-

-

-

-

RAMPZ0

13

0x3A (0x5A)

Reserved

-

-

-

-

-

-

-

-

0x39 (0x59)

Reserved

-

-

-

-

-

-

-

-

0x38 (0x58)

Reserved

-

-

-

-

-

-

-

-

0x37 (0x57)

SPMCSR

SPMIE

RWWSB

SIGRD

RWWSRE

BLBSET

PGWRT

PGERS

SPMEN

265

0x36 (0x56)

Reserved

-

-

-

-

-

-

-

-

0x35 (0x55)

MCUCR

JTD

-

-PUD

-

-

IVSEL

IVCE

71/255

0x34 (0x54)

MCUSR

-

-

-

JTRF

WDRF

BORF

EXTRF

PORF

47/255

0x33 (0x53)

SMCR

-

-

-

-

SM2

SM1

SM0

SE

37

0x32 (0x52)

Reserved

-

-

-

-

-

-

-

-

0x31 (0x51)

OCDR

On-Chip Debug Register

251

0x30 (0x50)

ACSR

ACD

ACBG

ACO

ACI

ACIE

ACIC

ACIS1

ACIS0

242

0x2F (0x4F)

Reserved

-

-

-

-

-

-

-

-

0x2E (0x4E)

SPDR0

SPI 0 Data Register

157

0x2D (0x4D)

SPSR0

SPIF0

WCOL0

-

-

-

-

-SPI2X0

157

0x2C (0x4C)

SPCR0

SPIE0

SPE0

DORD0

MSTR0

CPOL0

CPHA0

SPR01

SPR00

157

0x2B (0x4B)

GPIOR2

General Purpose I/O Register 2

25

0x2A (0x4A)

GPIOR1

General Purpose I/O Register 1

25

0x29 (0x49)

Reserved

-

-

-

-

-

-

-

-

0x28 (0x48)

OCR0B

Timer/Counter0 Output Compare Register B

99

0x27 (0x47)

OCR0A

Timer/Counter0 Output Compare Register A

99

0x26 (0x46)

TCNT0

Timer/Counter0 (8 Bit)

99

0x25 (0x45)

TCCR0B

FOC0A

FOC0B

-

-

WGM02

CS02

CS01

CS00

98

0x24 (0x44)

TCCR0A

COM0A1

COM0A0

COM0B1

COM0B0

-

-WGM01

WGM00

99

0x23 (0x43)

GTCCR

TSM

-

-

-

-

-

PSR2

PSR54310

149

0x22 (0x42)

EEARH

-

-

-

-

EEPROM Address Register High Byte

20

0x21 (0x41)

EEARL

EEPROM Address Register Low Byte

20

0x20 (0x40)

EEDR

EEPROM Data Register

20

0x1F (0x3F)

EECR

-

-

EEPM1

EEPM0

EERIE

EEMWE

EEWE

EERE

20

0x1E (0x3E)

GPIOR0

General Purpose I/O Register 0

25

0x1D (0x3D)

EIMSK

-

-

-

-

-

INT2

INT1

INT0

60

0x1C (0x3C)

EIFR

-

-

-

-

-

INTF2

INTF1

INTF0

60

Address

Name

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

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