ATmega640/1280/1281/2560/2561
Table 50. Overriding Signals for Alternate Functions in PE3..PE0
Signal
Name
PE1/PDO(1)/
TXD0
PE0/PDI(1)/
RXD0/PCINT8
PE3/AIN1/OC3A
PE2/AIN0/XCK0
PUOE
PUOV
DDOE
0
0
0
0
0
TXEN0
0
RXEN0
PORTE0 • PUD
RXEN0
XCK0 OUTPUT
ENABLE
TXEN0
DDOV
PVOE
0
1
1
0
0
OC3B ENABLE
XCK0 OUTPUT
ENABLE
TXEN0
PVOV
DIEOE
DIEOV
DI
OC3B
XCK0 OUTPUT
TXD0
0
0
0
0
0
–
0
–
PCINT8 • PCIE1
0
0
1
0
XCK0 INPUT
0
RXD0
PE0
0
PCINT8 INPUT
–
AIO
AIN1 INPUT
AIN0 INPUT
Note:
1. PDO/PDI only available at PE1/PE0 for ATmega1281/2561.
99
2549A–AVR–03/05