UPD78323 NEC, UPD78323 Datasheet - Page 11
![no-image](/images/manufacturer_photos/0/4/470/nec_sml.jpg)
UPD78323
Manufacturer Part Number
UPD78323
Description
16/8-BIT SINGLE-CHIP MICROCONTROLLER
Manufacturer
NEC
Datasheet
1.UPD78323.pdf
(86 pages)
- Current page: 11 of 86
- Download datasheet (455Kb)
1. LIST OF PIN FUNCTIONS
1.1
P00 to P07
P40 to P47
P50 to P57
P70 to P77
Pin Name
P20
P21
P22
P23
P24
P25
P26
P27
P30
P31
P32
P33
P34
P80
P81
P82
P83
P84
P85
P90
P91
P92
P93
PORT PINS
Input/
output
Input
Input/
output
Input/
output
Input/
output
Input
Input/
output
Input/
output
I/O
Port 0
8-bit input/output port
Input/output can be specified bit-wise
Also serves as a realtime output port.
Port 2
Dedicated port for 8-bit input
Port 3
5-bit input/output port
Input/output can be specified bit-wise
Port 4
8-bit input/output port
Input/output can be specified in 8-bit unit.
Port 5
8-bit input/output port
Input/output can be specified bit-wise
Port 7
Dedicated port for 8-bit input
Port 8
6-bit input/output port
Input/output can be specified bit-wise
Port 9
4-bit input/output port
Input/output can be specified bit-wise
Function
PD78323, 78324
Function Pin
AD0 to AD7
AN0 to AN7
A8 to A15
INTP6/TI
RTP0 to
SO/SB0
SI/SB1
INTP0
INTP1
INTP2
INTP3
INTP4
INTP5
RTP7
Dual-
TO00
TO01
TO02
TO03
TO10
TO11
SCK
TMD
TAS
NMI
T
R
WR
RD
X
X
D
D
11
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