ATMEGA2561V ATMEL [ATMEL Corporation], ATMEGA2561V Datasheet - Page 95

• Manufacturer Part Number: ATMEGA2561V
• Description: 8-bit Microcontroller with 64K/128K/256K Bytes In-System Programmable Flash
• Manufacturer: ATMEL [ATMEL Corporation]

Alternate Functions of Port C
2549K–AVR–01/07
Table 44. Overriding Signals for Alternate Functions in PB3:PB0
The Port C alternate function is as follows:
Table 45. Port C Pins Alternate Functions
Table 46 and Table 47 relate the alternate functions of Port C to the overriding signals
shown in Figure 36 on page 89.
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
PB3/MISO
SPE • MSTR
PORTB3 • PUD
SPE • MSTR
0
SPE • MSTR
SPI SLAVE OUTPUT
PCINT3 • PCIE0
1
SPI MSTR INPUT
PCINT3 INPUT
–
Port Pin
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
ATmega640/1280/1281/2560/2561
Alternate Function
A15(External Memory interface address bit 15)
A14(External Memory interface address bit 14)
A13(External Memory interface address bit 13)
A12(External Memory interface address bit 12)
A11(External Memory interface address bit 11)
A10(External Memory interface address bit 10)
A9(External Memory interface address bit 9)
A8(External Memory interface address bit 8)
PB2/MOSI
SPI MSTR OUTPUT
SPE • MSTR
PORTB2 • PUD
SPE • MSTR
0
SPE • MSTR
PCINT2 • PCIE0
1
SPI SLAVE INPUT
PCINT2 INPUT
–
PB1/SCK
SPE • MSTR
PORTB1 • PUD
SPE • MSTR
0
SPE • MSTR
SCK OUTPUT
PCINT1 •
PCIE0
1
SCK INPUT
PCINT1 INPUT
–
PB0/SS
SPE • MSTR
PORTB0 • PUD
SPE • MSTR
0
0
0
PCINT0 •
PCIE0
1
SPI SS
PCINT0 INPUT
–
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