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Register summary, Atmega161(l) – Rainbow Electronics ATmega161L User Manual

Page 144

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144

ATmega161(L)

1228C–AVR–08/02

Register Summary

Address

Name

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Page

$3F ($5F)

SREG

I

T

H

S

V

N

Z

C

page 21

$3E ($5E)

SPH

SP15

SP14

SP13

SP12

SP11

SP10

SP9

SP8

page 22

$3D ($5D)

SPL

SP7

SP6

SP5

SP4

SP3

SP2

SP1

SP0

page 22

$3C ($5C)

Reserved

$3B ($5B)

GIMSK

INT1

INT0

INT2

-

-

-

-

-

page 30

$3A ($5A)

GIFR

INTF1

INTF0

INTF2

page 31

$39 ($59)

TIMSK

TOIE1

OCIE1A

OCIE1B

TOIE2

TICIE1

OCIE2

TOIE0

OCIE0

page 31

$38 ($58)

TIFR

TOV1

OCF1A

OCF1B

TOV2

ICF1

OCFI2

TOV0

OCIF0

page 33

$37 ($57)

SPMCR

-

-

-

-

LBSET

PGWRT

PGERS

SPMEN

page 114

$36 ($56)

EMCUCR

SM0

SRL2

SRL1

SRL0

SRW01

SRW00

SRW11

ISC2

page 36

$35 ($55)

MCUCR

SRE

SRW10

SE

SM1

ISC11

ISC10

ISC01

ISC00

page 34

$34 ($54)

MCUSR

-

-

-

-

WDRF

BORF

EXTRF

PORF

page 29

$33 ($53)

TCCR0

FOC0

PWM0

COM01

COM00

CTC0

CS02

CS01

CS00

page 42

$32 ($52)

TCNT0

Timer/Counter0 Counter Register

page 44

$31 ($51)

OCR0

Timer/Counter0 Output Compare Register

page 44

$30 ($50)

SFIOR

-

-

-

-

-

-

PSR2

PSR10

page 39

$2F ($4F)

TCCR1A

COM1A1

COM1A0

COM1B1

COM1B0

FOC1A

FOC1B

PWM11

PWM10

page 50

$2E ($4E)

TCCR1B

ICNC1

ICES1

-

-

CTC1

CS12

CS11

CS10

page 52

$2D ($4D)

TCNT1H

Timer/Counter1 - Counter Register High Byte

page 53

$2C ($4C)

TCNT1L

Timer/Counter1 - Counter Register Low Byte

page 53

$2B ($4B)

OCR1AH

Timer/Counter1 - Output Compare Register A High Byte

page 54

$2A ($4A)

OCR1AL

Timer/Counter1 - Output Compare Register A Low Byte

page 54

$29 ($49)

OCR1BH

Timer/Counter1 - Output Compare Register B High Byte

page 54

$28 ($48)

OCR1BL

Timer/Counter1 - Output Compare Register B Low Byte

page 54

$27 ($47)

TCCR2

FOC2

PWM2

COM21

COM20

CTC2

CS22

CS21

CS20

page 42

$26 ($46)

ASSR

-

-

-

-

AS20

TCON2UB

OCR2UB

TCR2UB

page 47

$25 ($45)

ICR1H

Timer/Counter1 - Input Capture Register High Byte

page 54

$24 ($44)

ICR1L

Timer/Counter1 - Input Capture Register Low Byte

page 54

$23 ($43)

TCNT2

Timer/Counter2 Counter Register

page 44

$22 ($42)

OCR2

Timer/Counter2 Output Compare Register

page 44

$21 ($41)

WDTCR

-

-

-

WDTOE

WDE

WDP2

WDP1

WDP0

page 58

$20 ($40)

UBRRHI

UBRR1[11:8]

UBRR0[11:8]

page 78

$1F ($3F)

EEARH

-

-

-

-

-

-

-

EEAR8

page 60

$1E ($3E)

EEARL

EEPROM Address Register Low Byte

page 60

$1D ($3D)

EEDR

EEPROM Data Register

page 60

$1C ($3C)

EECR

-

-

-

-

EERIE

EEMWE

EEWE

EERE

page 61

$1B ($3B)

PORTA

PORTA7

PORTA6

PORTA5

PORTA4

PORTA3

PORTA2

PORTA1

PORTA0

page 89

$1A ($3A)

DDRA

DDA7

DDA6

DDA5

DDA4

DDA3

DDA2

DDA1

DDA0

page 89

$19 ($39)

PINA

PINA7

PINA6

PINA5

PINA4

PINA3

PINA2

PINA1

PINA0

page 89

$18 ($38)

PORTB

PORTB7

PORTB6

PORTB5

PORTB4

PORTB3

PORTB2

PORTB1

PORTB0

page 91

$17 ($37)

DDRB

DDB7

DDB6

DDB5

DDB4

DDB3

DDB2

DDB1

DDB0

page 91

$16 ($36)

PINB

PINB7

PINB6

PINB5

PINB4

PINB3

PINB2

PINB1

PINB0

page 91

$15 ($35)

PORTC

PORTC7

PORTC6

PORTC5

PORTC4

PORTC3

PORTC2

PORTC1

PORTC0

page 98

$14 ($34)

DDRC

DDC7

DDC6

DDC5

DDC4

DDC3

DDC2

DDC1

DDC0

page 98

$13 ($33)

PINC

PINC7

PINC6

PINC5

PINC4

PINC3

PINC2

PINC1

PINC0

page 98

$12 ($32)

PORTD

PORTD7

PORTD6

PORTD5

PORTD4

PORTD3

PORTD2

PORTD1

PORTD0

page 100

$11 ($31)

DDRD

DDD7

DDD6

DDD5

DDD4

DDD3

DDD2

DDD1

DDD0

page 100

$10 ($30)

PIND

PIND7

PIND6

PIND5

PIND4

PIND3

PIND2

PIND1

PIND0

page 100

$0F ($2F)

SPDR

SPI Data Register

page 68

$0E ($2E)

SPSR

SPIF

WCOL

-

-

-

-

-

SPI2X

page 67

$0D ($2D)

SPCR

SPIE

SPE

DORD

MSTR

CPOL

CPHA

SPR1

SPR0

page 66

$0C ($2C)

UDR0

UART0 I/O Data Register

page 73

$0B ($2B)

UCSR0A

RXC0

TXC0

UDRE0

FE0

OR0

-

U2X0

MPCM0

page 73

$0A ($2A)

UCSR0B

RXCIE0

TXCIE0

UDRIE0

RXEN0

TXEN0

CHR90

RXB80

TXB80

page 75

$09 ($29)

UBRR0

UART0 Baud Rate Register

page 78

$08 ($28)

ACSR

ACD

AINBG

ACO

ACI

ACIE

ACIC

ACIS1

ACIS0

page 81

$07 ($27)

PORTE

-

-

-

-

-

PORTE2

PORTE1

PORTE0

page 106

$06 ($26)

DDRE

-

-

-

-

-

DDE2

DDE1

DDE0

page 106

$05 ($25)

PINE

-

-

-

-

-

PINE2

PINE1

PINE0

page 106

$04 ($24)

Reserved

$03 ($23)

UDR1

UART1 I/O Data Register

page 73

$02 ($22)

UCSR1A

RXC1

TXC1

UDRE1

FE1

OR1

-

U2X1

MPCM1

page 75

$01 ($21)

UCSR1B

RXCIE1

TXCIE1

UDRIE1

RXEN1

TXEN1

CHR91

RXB81

TXB81

page 73

$00 ($20)

UBRR1

UART1 Baud Rate Register

page 78