ATMEga64L ATMEL Corporation, ATMEga64L Datasheet - Page 84

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

84
ATmega64(L)
• WR – Port G, Bit 0
WR is the external data memory write control strobe.
Table 46 and Table 47 relates the alternate functions of Port G to the overriding signals
shown in Figure 33 on page 69.
Table 46. Overriding Signals for Alternate Functions in PG4..PG1
Table 47. Overriding Signals for Alternate Functions in PG0
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
PG4/TOSC1
AS0
0
AS0
0
0
0
AS0
0
–
T/C0 OSC INPUT
PG3/TOSC2
AS0
0
AS0
0
0
0
AS0
0
–
T/C0 OSC OUTPUT
PG0/WR
SRE
0
SRE
1
SRE
WR
0
0
–
–
PG2/ALE
SRE
0
SRE
1
SRE
ALE
0
0
–
–
2490G–AVR–03/04
PG1/RD
SRE
0
SRE
1
SRE
RD
0
0
–
–