ATMEGA8_08 Datasheet, PDF (64/308 Pages) ATMEL Corporation – 8-bit with 8K Bytes In-System Programmable Flash

Table 29. Overriding Signals for Alternate Functions PD7..PD4
Signal Name PD7/AIN1
PD6/AIN0
PD5/T1
PD4/XCK/T0
PUOE
0
0
0
0
PUO
0
0
0
0
OOE
0
0
0
0
OO
0
0
0
0
PVOE
0
0
0
UMSEL
PVO
0
0
0
XCK OUTPUT
DIEOE
0
0
0
0
DIEO
0
0
0
0
DI
–
–
T1 INPUT XCK INPUT / T0 INPUT
AIO
AIN1 INPUT AIN0 INPUT –
–
Table 30. Overriding Signals for Alternate Functions in PD3..PD0
Signal Name PD3/INT1
PD2/INT0
PD1/TXD
PUOE
0
0
TXEN
PUO
0
0
0
OOE
0
0
TXEN
OO
0
0
1
PVOE
0
0
TXEN
PVO
0
0
TXD
DIEOE
INT1 ENABLE
INT0 ENABLE
0
DIEO
1
1
0
DI
INT1 INPUT
INT0 INPUT
–
AIO
–
–
–
PD0/RXD
RXEN
PORTD0 • PUD
RXEN
0
0
0
0
0
RXD
–
64 ATmega8(L)
2486T–AVR–05/08