ATMEga64L ATMEL Corporation, ATMEga64L Datasheet - Page 75

• Manufacturer Part Number: ATMEga64L
• Description: 8-bit AVR Microcontroller with 64K Bytes In-System Programmable Flash
• Manufacturer: ATMEL Corporation

Alternate Functions of Port C
2490G–AVR–03/04
In ATmega103 compatibility mode, Port C is output only. The Port C has an alternate
function as the address high byte for the External Memory Interface
Table 33. Port C Pins Alternate Functions
Table 34 and Table 35 relate the alternate functions of Port C to the overriding signals
shown in Figure 33 on page 69.
Table 34. Overriding Signals for Alternate Functions in PC7..PC4
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
Port Pin
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
PC7/A15
SRE • (XMM
0
SRE • (XMM<1)
1
SRE • (XMM<1)
A11
0
0
–
–
(1)
<1)
Alternate Function
A15
A14
A13
A12
A11
A10
A9
A8
PC6/A14
SRE • (XMM<2)
0
SRE • (XMM<2)
1
SRE • (XMM<2)
A10
0
0
–
–
PC5/A13
SRE • (XMM<3)
0
SRE • (XMM<3)
1
SRE • (XMM<3)
A9
0
0
–
–
ATmega64(L)
PC4/A12
SRE • (XMM<4)
0
SRE • (XMM<4)
1
SRE • (XMM<4)
A8
0
0
–
–
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