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
-
-
-
PG4/TOSC1
AS2
0
AS2
0
0
0
0
AS2
EXCLK
–
AIO
T/C2 OSC INPUT
Table 49. Overriding Signals for Alternate Functions in PG3:0
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
PG3/TOSC2
PG2/ALE
PG1/RD
PG0/WR
AS2 • EXCLK
SRE
0
SRE
0
SRE
0
0
AS2 • EXCLK
SRE
1
SRE
1
SRE
1
0
0
SRE
ALE
0
SRE
RD
0
SRE
WR
0
0
0
AS2
0
0
0
0
0
0
0
–
–
–
–
AIO
T/C2 OSC OUTPUT
–
–
–
84
AT90CAN128
4250E–CAN–12/04