Atmega162/v – Rainbow Electronics ATmega162V User 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
DDOV
1
0
0
1
PVOE
TXEN1
0
OC2 ENABLE
CKOUT + OC0
ENABLE
PVOV
TXD1
0
OC2
if (CKOUT) then
clk
I/O
else
OC0
DIEOE
0
0
0
0
DIEOV
0
0
0
0
DI
–
RXD1
T1 INPUT
T0 INPUT
AIO
AIN1 INPUT
AIN0 INPUT
–
–