MB90495G Series
(Continued)
Pin No.
M06
M09
Pin Name
P14 to P17
Circuit
Type
Description
General-purpose I/O port.
Only enabled in single-chip mode.
38 to
41
37 to
40
PPG0 to
PPG3
AD12 to
AD15
P20
D
Functions as output pin of PPG timer 01, 23. Only valid if output configu-
ration is enabled.
I/O pin for upper 4-bit of external address data bus.
Only enabled during external bus mode.
General-purpose I/O port.
When the bits of high address control register (HACR) are set to “1” in ex-
ternal bus mode, these pins function as general purpose I/O ports.
42
41
TIN0
D
Functions as event input pin of TIN0 reload timer 0.
Set this to input port.
Output pin of external address bus (A16) .
Only valid when the bits of high address control register (HACR) are set
to “0” in external bus mode.
General-purpose I/O port.
When the bits of high address control register (HACR) are set to “1” in ex-
ternal bus mode, these pins function as general purpose I/O ports.
A16
P21
43
42
TOT0
D
Functions as event output pin of TOT0 reload timer 0.
Only valid if output configuration enabled.
Output pin of external address bus (A17) .
Only valid when the bits of high address control register (HACR) are set
to “0” in external bus mode.
General-purpose I/O port.
When the bits of high address control register (HACR) are set to “1” in ex-
ternal bus mode, these pins function as general purpose I/O ports.
A17
P22
44
43
TIN1
D
Functions as event input pin of TIN1 reload timer 1.
Set this to input port.
Output pin of external address bus (A18) .
Only valid when the bits of high address control register (HACR) are set
to “0” in external bus mode.
General-purpose I/O port.
When the bits of high address control register (HACR) are set to “1” in ex-
ternal bus mode, these pins function as general purpose I/O ports.
A18
P23
45
44
TOT1
D
Functions as event output pin for TOT1 reload timer 1.
Only valid if output configuration enabled.
Output pin for external address bus (A19) .
Only valid when the bits of high address control register (HACR) are set
to “0” in external bus mode.
(Continued)
A19
9
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