MEGA128CAN Datasheet, PDF (84/413 Pages) ATMEL Corporation – Microcontroller WITH 128K BYTES OF ISP FLASH AND CAN CONTROLLER

Table 47 and Table 48 relates the alternate functions of Port G to the overriding signals
shown in Figure 34 on page 67.
Table 48. Overriding Signals for Alternate Function in PG4
Signal Name -
-
-
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
PG4/TOSC1
AS2
0
AS2
0
0
0
0
AS2
EXCLK
–
T/C2 OSC INPUT
Table 49. Overriding Signals for Alternate Functions in PG3:0
Signal Name PG3/TOSC2
PG2/ALE
PG1/RD
PUOE
AS2 • EXCLK
SRE
SRE
PUOV
0
0
0
DDOE
AS2 • EXCLK
SRE
SRE
DDOV
0
1
1
PVOE
0
SRE
SRE
PVOV
0
ALE
RD
PTOE
0
0
0
DIEOE
AS2
0
0
DIEOV
0
0
0
DI
–
–
–
AIO
T/C2 OSC OUTPUT –
–
PG0/WR
SRE
0
SRE
1
SRE
WR
0
0
0
–
–
84 AT90CAN128
4250E–CAN–12/04