Rainbow-electronics Atmega169L Manuel d'utilisateur télécharger pdf (Page 72)

72

ATmega169V/L

2514A–AVR–08/02

Register Description for

I/O-Ports

Port A Data Register – PORTA

Port A Data Direction Register

– DDRA

Port A Input Pins Address –

PINA

Port B Data Register – PORTB

Port B Data Direction Register

– DDRB

Port B Input Pins Address –

PINB

Port C Data Register – PORTC

Port C Data Direction Register

– DDRC

Bit 76543210

PORTA7 PORTA6 PORTA5 PORTA4 PORTA3 PORTA2 PORTA1 PORTA0

PORTA

Read/Write R/W R/W R/W R/W R/W R/W R/W R/W

InitialValue00000000

Bit 76543210

DDA7 DDA6 DDA5 DDA4 DDA3 DDA2 DDA1 DDA0 DDRA

Read/Write R/W R/W R/W R/W R/W R/W R/W R/W

InitialValue00000000

Bit 76543210

PINA7 PINA6 PINA5 PINA4 PINA3 PINA2 PINA1 PINA0 PINA

Read/Write R/W R/W R/W R/W R/W R/W R/W R/W

Initial Value N/A N/A N/A N/A N/A N/A N/A N/A

Bit 76543210

PORTB7 PORTB6 PORTB5 PORTB4 PORTB3 PORTB2 PORTB1 PORTB0 PORTB

Read/Write R/W R/W R/W R/W R/W R/W R/W R/W

InitialValue00000000

Bit 76543210

DDB7 DDB6 DDB5 DDB4 DDB3 DDB2 DDB1 DDB0 DDRB

Read/Write R/W R/W R/W R/W R/W R/W R/W R/W

InitialValue00000000

Bit 76543210

PINB7 PINB6 PINB5 PINB4 PINB3 PINB2 PINB1 PINB0 PINB

Read/Write R/W R/W R/W R/W R/W R/W R/W R/W

Initial Value N/A N/A N/A N/A N/A N/A N/A N/A

Bit 76543210

PORTC7 PORTC6 PORTC5 PORTC4 PORTC3 PORTC2 PORTC1 PORTC0 PORTC

Read/Write R/W R/W R/W R/W R/W R/W R/W R/W

InitialValue00000000

Bit 76543210

DDC7 DDC6 DDC5 DDC4 DDC3 DDC2 DDC1 DDC0 DDRC

Read/Write R/W R/W R/W R/W R/W R/W R/W R/W

InitialValue00000000

1 2 ... 67 68 69 70 71 72 73 74 75 76 77 ... 316 317

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