UPD78P324 Datasheet, PDF (11/80 Pages) NEC – 16-/8-Bit Single-Chip Microcomputers

µPD78P324, 78P324(A)
1. LIST OF PIN FUNCTIONS
1.1 NORMAL OPERATION MODE
(1) Port pins
Pin Name
P00-P07
P20
P21
P22
P23
P24
P25
P26
P27
P30
P31
P32
P33
P34
P40-P47
P50-P57
P70-P77
P80
P81
P82
P83
P84
P85
P90
P91
P92
P93
I/O
Function
Port 0.
I/O
8-bit I/O port.
I/O specifiable per bit.
(Operable as a real-time output port as well.)
Input
Port 2.
8-bit input-only port.
Port 3.
I/O
5-bit I/O port.
I/O specifiable per bit.
I/O
I/O
Input
Port 4.
8-bit I/O port.
I/O specifiable in units of eight bits.
Port 5.
8-bit I/O port.
I/O specifiable per bit.
Port 7.
8-bit input-only port.
Port 8.
I/O
6-bit I/O port.
I/O specifiable per bit.
Port 9.
I/O
4-bit I/O port.
I/O specifiable per bit.
Shared Pin Name
RTP0-RTP7
NMI
INTP0
INTP1
INTP2
INTP3
INTP4
INTP5
INTP6/TI
TXD
RXD
SO/SB0
SI/SB1
SCK
AD0-AD7
A8-A15
AN0-AN7
TO00
TO01
TO02
TO03
TO10
TO11
RD
WR
TAS
TMD
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