Rainbow Electronics ATmega162V - Manual (Page 73)

73
ATmega162/V
2513E–AVR–09/03
Notes: 1. CKOUT is one if the CKOUT Fuse is programmed.
2. clk
I/O
is the divided system clock.
Table 33. Overriding Signals for Alternate Functions in PB7..PB4
Signal
Name
PB7/SCK PB6/MISO PB5/MOSI PB4/SS/OC3B
PUOE SPE • MSTR SPE • MSTR SPE • MSTR SPE • MSTR
PUOV PORTB7 •
PUD PORTB6 • PUD PORTB5 • PUD PORTB4 •
PUD
DDOE SPE • MSTR SPE • MSTR SPE • MSTR SPE • MSTR
DDOV 0 0 0 0
PVOE SPE • MSTR SPE • MSTR SPE • MSTR OC3B
ENABLE
PVOV SCK OUTPUT SPI SLAVE
OUTPUT SPI MSTR
OUTPUT OC3B
DIEOE 0 0 0 0
DIEOV 0 0 0 0
DI SCK INPUT SPI MSTR INPUT SPI SLAVE INPUT SPI SS
AIO – – – –
Table 34. Overriding Signals for Alternate Functions in PB3..PB0
Signal Name PB3/AIN1/TXD1 PB2/AIN0/RXD1 PB1/T1/OC2 PB0/T0/OC0
PUOE TXEN1 RXEN1 0 0
PUOV 0 PORTB2• PUD 0 0
DDOE TXEN1 RXEN1 0 CKOUT (1)
DDOV 1 0 0 1
PVOE TXEN1 0 OC2 ENABLE CKOUT + OC0
ENABLE
PVOV TXD1 0 OC2 if (CKOUT) then
clk
I/O
(2)
else
OC0
DIEOE 0 0 0 0
DIEOV 0 0 0 0
DI – RXD1 T1 INPUT T0 INPUT
AIO AIN1 INPUT AIN0 INPUT – –