MB91345 Series
Pin No.
63
64
65
66
67
68
69
70
71
72
Pin name
I/O Circuit
type*
Function
MD0
F
Mode input pin
MD1
F
Mode input pin
MD2
F
Mode input pin
P50
General-purpose I/O port
CS0
C
External chip select 0. Enabled when external bus is effective.
PPG1
PPG output pin
P51
General-purpose I/O port
CS1
C
External chip select pin. Enabled when external bus is effective.
PPG3
PPG output pin
P52
General-purpose I/O port
CS2
C
External chip select pin. Enabled when external bus is effective.
PPG5
PPG output pin
P53
General-purpose I/O port
CS3
C
External chip select pin. Enabled when external bus is effective.
PPG7
PPG output pin
P54
General-purpose I/O port
AS
C
External address strobe output pin. Enabled when external bus is
effective.
RT4
Output compare OCU4 waveform output pin
P55
General-purpose I/O port
RD
C
External read strobe output pin. Enabled when external bus is
effective.
RT5
Output compare OCU5 waveform output pin
P56
General-purpose I/O port
WR0
External data bus upper 8-bit write strobe output pin.
D
When external bus is effective, high 8 bits of data during 16-bit
access or 8 bits of data during 8-bit access is used as write strobe.
RT6
Output compare OCU6 waveform output pin
(Continued)
11