UPD75P218KB datasheet(6/38 Pages) RENESAS

6 / 38 page

µPD75P218

PIN FUNCTIONS

1.1

PORT PINS

Pin name

P00

P01

P02

P03

P10

P11

P12

P13

P20

P21

P22

P23

P30 - P33

P40 - P43

P50 - P53

P60 - P63

PH0

PH1

PH2

PH3

Function

4-bit input port (PORT0).

4-bit input port (PORT1).

With noise elimination

function

4-bit I/O port (PORT2).

Programmable 4-bit I/O port (PORT3).

I/O can be specified bit by bit.

When reset

Input

High

impedance

8-bit

I/O

Input/

output

Input

I/O

Input

I/O

Output

Shared

INT4

SCK

INT0/VPP

INT1

INT2

TI0

–

BUZ

MD0 - MD3

–

T13/S12

T12/S13

T11/S14

T10/S15

4-bit I/O port (PORT4).

Can directly drive LEDs.

4-bit I/O port (PORT5).

Can directly drive LEDs.

Data input/output pins

for the PROM write and

verify (Four low-order

bits).

Data input/output pins

for the PROM write and

verify (Four high-order

bits).

Programmable 4-bit I/O port (PORT6).

I/O can be specified bit by bit.

Suitable for key input.

4-bit P-ch open drain high breakdown voltage large

current output port (PORTH).

Can directly drive LEDs.

UPD75P218KB Datasheet(PDF) 6 Page - Renesas Technology Corp

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