ATMEGA8_14 Datasheet, PDF (64/331 Pages) ATMEL Corporation – High-performance, Low-power Atmel

ATmega8(L)
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 PD0/RXD
PUOE
0
0
TXEN
RXEN
PUO
0
0
0
PORTD0 • PUD
OOE
0
0
TXEN
RXEN
OO
0
0
1
0
PVOE
0
0
TXEN
0
PVO
0
0
TXD
0
DIEOE
INT1 ENABLE INT0 ENABLE 0
0
DIEO
1
1
0
0
DI
INT1 INPUT INT0 INPUT –
RXD
AIO
–
–
–
–
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