UPD75238GJ データシートの表示（PDF） - NEC => Renesas Technology

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UPD75238GJ

4 BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

µPD75238

1.2 NON-PORT PINS (1/2)

Pin name

T0-T9

T10/S15-

T13/S12

T14/S11

T15/S10

S0-S3

S4-S7

S8

S9

S16-S19

S20-S23

Also

I/O used as

Function

I/O

When reset circuit

type

O

–

Output pins High-voltage, large-current output for digit VLOAD level I - C

for FIP

output

(when

PH3/P153- controller/

PH0/P150 driver.

Allows pull-

down

P143

resistor to

be provided

P142 (mask

option).

High-voltage, large-current output usable

for digit/segment output as well.

Any unused pins can be used for port H.

Usable for port 15 in static mode.

High-voltage, large-current output usable

for digit/segment output as well.

Usable for port 14 in static mode.

pull-down

resistor to

VLOAD is

provided)

or high-

impedance

P120-P123

High-voltage output for segment output.

P130-P133

Usable for port 12 to port 14 in static mode.

P140

P141

P100-P103

P110-P113

High-voltage output for segment output.

Usable for port 10 and port 11 in static

mode.

VLOAD level I - F

(when

pull-down

resistor to

VLOAD is

provided),

VSS level

(when

pull-down

resistor to

VSS is

provided),

or high-

impedance

9

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