UPD75238GJ View Datasheet(PDF) - NEC => Renesas Technology

Part Name

Description

Manufacturer

UPD75238GJ

4 BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

µPD75238

1.1 PORT PINS (2/2)

Pin name

P80

P81

P82

P83

P90

P91

P92

P93

P100

P101

P102

P103

P110

P111

P112

P113

P120

P121

P122

P123

P130

P131

P132

P133

P140

P141

P142

P143

P150

P151

P152

P153

PH0

PH1

PH2

PH3

I/O

Also

used as

Function

8-bit I/O When reset

I/ONote

circuit

type

I/O

PPO 4-bit input port (port 8).

I/O SCK1

I/O

SO1

I

SI1

I

AN4 4-bit input port (port 9)

AN5

× Input

× Input

A

F

E

B

Y-A

AN6

AN7

O

S16

P-ch open-drain, 4-bit high-voltage output port. r VLOAD level

I-F

S17

Pull-down resistors can be provided (mask

option).

S18

(when pull-

down resistor

to VLOAD is

S19

provided), VSS

O

S20 P-ch open-drain, 4-bit high-voltage output port.

S21

Pull-down resistors can be provided (mask

option).

S22

level (when pull-

down resistor to

VSS is pro-

vided), or high-

S23

impedance

O

S0

P-ch open-drain, 4-bit high-voltage output port. r VLOAD level

I-C

S1

Pull-down resistors can be provided (mask

option).

S2

(when pull-

down resistor

to VLOAD is

S3

provided) or

O

S4

P-ch open-drain, 4-bit high-voltage output port.

S5

Pull-down resistors can be provided (mask

option).

S6

high-

impedance

S7

O

S8

P-ch open-drain, 4-bit high-voltage output port. r

S9

S10/T15

Pull-down resistors can be provided (mask

option).

P142 and P143 can drive LED directly.

S11/T14

O S12/T13/PH0 P-ch open-drain, 4-bit high-voltage output port.

S13/T12/PH1 Pull-down resistors can be provided (mask

option).

S14/T11/PH2 LED can be driven directly.

S15/T10/PH3

O S12/T13/P150 P-ch open-drain, 4-bit high-voltage output port.

×

S13/T12/P151 Pull-down resistors can be provided (mask

option).

S14/T11/P152

S15/T10/P153

Note The circuits enclosed in circles have a Schmitt-triggered input.

8

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