Atmel ATmega88PA User Manual

Page 10

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10

8161DS–AVR–10/09

ATmega48PA/88PA/168PA/328P

(0x7F)

DIDR1

–

–

–

–

–

–

AIN1D

AIN0D

244

(0x7E)

DIDR0

–

–

ADC5D

ADC4D

ADC3D

ADC2D

ADC1D

ADC0D

261

(0x7D)

Reserved

–

–

–

–

–

–

–

–

(0x7C)

ADMUX

REFS1

REFS0

ADLAR

–

MUX3

MUX2

MUX1

MUX0

257

(0x7B)

ADCSRB

–

ACME

–

–

–

ADTS2

ADTS1

ADTS0

260

(0x7A)

ADCSRA

ADEN

ADSC

ADATE

ADIF

ADIE

ADPS2

ADPS1

ADPS0

258

(0x79)

ADCH

ADC Data Register High byte

260

(0x78)

ADCL

ADC Data Register Low byte

260

(0x77)

Reserved

–

–

–

–

–

–

–

–

(0x76)

Reserved

–

–

–

–

–

–

–

–

(0x75)

Reserved

–

–

–

–

–

–

–

–

(0x74)

Reserved

–

–

–

–

–

–

–

–

(0x73)

Reserved

–

–

–

–

–

–

–

–

(0x72)

Reserved

–

–

–

–

–

–

–

–

(0x71)

Reserved

–

–

–

–

–

–

–

–

(0x70)

TIMSK2

–

–

–

–

–

OCIE2B

OCIE2A

TOIE2

157

(0x6F)

TIMSK1

–

–

ICIE1

–

–

OCIE1B

OCIE1A

TOIE1

133

(0x6E)

TIMSK0

–

–

–

–

–

OCIE0B

OCIE0A

TOIE0

105

(0x6D)

PCMSK2

PCINT23

PCINT22

PCINT21

PCINT20

PCINT19

PCINT18

PCINT17

PCINT16

68

(0x6C)

PCMSK1

–

PCINT14

PCINT13

PCINT12

PCINT11

PCINT10

PCINT9

PCINT8

68

(0x6B)

PCMSK0

PCINT7

PCINT6

PCINT5

PCINT4

PCINT3

PCINT2

PCINT1

PCINT0

68

(0x6A)

Reserved

–

–

–

–

–

–

–

–

(0x69)

EICRA

–

–

–

–

ISC11

ISC10

ISC01

ISC00

65

(0x68)

PCICR

–

–

–

–

–

PCIE2

PCIE1

PCIE0

(0x67)

Reserved

–

–

–

–

–

–

–

–

(0x66)

OSCCAL

Oscillator Calibration Register

37

(0x65)

Reserved

–

–

–

–

–

–

–

–

(0x64)

PRR

PRTWI

PRTIM2

PRTIM0

–

PRTIM1

PRSPI

PRUSART0

PRADC

42

(0x63)

Reserved

–

–

–

–

–

–

–

–

(0x62)

Reserved

–

–

–

–

–

–

–

–

(0x61)

CLKPR

CLKPCE

–

–

–

CLKPS3

CLKPS2

CLKPS1

CLKPS0

37

(0x60)

WDTCSR

WDIF

WDIE

WDP3

WDCE

WDE

WDP2

WDP1

WDP0

54

0x3F (0x5F)

SREG

I

T

H

S

V

N

Z

C

9

0x3E (0x5E)

SPH

–

–

–

–

–

(SP10)

5.

SP9

SP8

12

0x3D (0x5D)

SPL

SP7

SP6

SP5

SP4

SP3

SP2

SP1

SP0

12

0x3C (0x5C)

Reserved

–

–

–

–

–

–

–

–

0x3B (0x5B)

Reserved

–

–

–

–

–

–

–

–

0x3A (0x5A)

Reserved

–

–

–

–

–

–

–

–

0x39 (0x59)

Reserved

–

–

–

–

–

–

–

–

0x38 (0x58)

Reserved

–

–

–

–

–

–

–

–

0x37 (0x57)

SPMCSR

SPMIE

(RWWSB)

5.

–

(RWWSRE)

5.

BLBSET

PGWRT

PGERS

SELFPRGEN

284

0x36 (0x56)

Reserved

–

–

–

–

–

–

–

–

0x35 (0x55)

MCUCR

–

BODS

BODSE

PUD

–

–

IVSEL

IVCE

44/62/86

0x34 (0x54)

MCUSR

–

–

–

–

WDRF

BORF

EXTRF

PORF

54

0x33 (0x53)

SMCR

–

–

–

–

SM2

SM1

SM0

SE

40

0x32 (0x52)

Reserved

–

–

–

–

–

–

–

–

0x31 (0x51)

Reserved

–

–

–

–

–

–

–

–

0x30 (0x50)

ACSR

ACD

ACBG

ACO

ACI

ACIE

ACIC

ACIS1

ACIS0

242

0x2F (0x4F)

Reserved

–

–

–

–

–

–

–

–

0x2E (0x4E)

SPDR

SPI Data Register

169

0x2D (0x4D)

SPSR

SPIF

WCOL

–

–

–

–

–

SPI2X

168

0x2C (0x4C)

SPCR

SPIE

SPE

DORD

MSTR

CPOL

CPHA

SPR1

SPR0

167

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

0x27 (0x47)

OCR0A

Timer/Counter0 Output Compare Register A

0x26 (0x46)

TCNT0

Timer/Counter0 (8-bit)

0x25 (0x45)

TCCR0B

FOC0A

FOC0B

–

–

WGM02

CS02

CS01

CS00

0x24 (0x44)

TCCR0A

COM0A1

COM0A0

COM0B1

COM0B0

–

–

WGM01

WGM00

0x23 (0x43)

GTCCR

TSM

–

–

–

–

–

PSRASY

PSRSYNC

137/159

0x22 (0x42)

EEARH

(EEPROM Address Register High Byte)

5.

21

0x21 (0x41)

EEARL

EEPROM Address Register Low Byte

21

0x20 (0x40)

EEDR

EEPROM Data Register

21

0x1F (0x3F)

EECR

–

–

EEPM1

EEPM0

EERIE

EEMPE

EEPE

EERE

21

0x1E (0x3E)

GPIOR0

General Purpose I/O Register 0

25

Address

Name

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

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