UPD75238GJ NEC [NEC], UPD75238GJ Datasheet - Page 15
UPD75238GJ
Manufacturer Part Number
UPD75238GJ
Description
4 BIT SINGLE-CHIP MICROCOMPUTER
Manufacturer
NEC [NEC]
Datasheet
1.UPD75238GJ.pdf
(190 pages)
- Current page: 15 of 190
- Download datasheet (2Mb)
1.4 CONNECTION OF UNUSED PD75238 PINS
P00/INT4
P01/SCK0
P02/SO0/SB0
P03/SI1/SB1
P10/INT0-P12/INT2
P13/TI0
P20/PTO0
P21
P22/PCL
P23/BUZ
P30-P33
P40-P43
P50-P53
P60-P63
P70-P73
P80/PPO
P81/SCK1
P82/SO1
P83/SI1
P90/AN4-P93/AN7
P100/S16-P103/S19
P110/S20-P113/S23
P120-P123
P130-P133
P140-P143
P150-P153
AN0-AN3
AV
AV
AV
XT1
XT2
V
LOAD
REF
DD
SS
Pin name
To be connected to V
To be connected to V
To be connected to V
Input state : To be connected to V
Output state : To be left open
To be connected to V
To be left open
To be connected to V
To be connected to V
To be connected to V
To be connected to V
To be left open
To be connected to V
Recommended connection
SS
SS
SS
SS
SS
DD
SS
SS
SS
or V
or V
DD
DD
SS
or V
DD
PD75238
15
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