UPD75P3018GC-3B9 데이터 시트보기 (PDF) - NEC => Renesas Technology

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UPD75P3018GC-3B9

4-BIT SINGLE-CHIP MICROCONTROLLER

NEC => Renesas Technology 

µPD75P3018

3. PIN FUNCTIONS

3.1 Port Pins (1/2)

Pin name

I/O

Shared by

P00

Input INT4

P01

I/O SCK

P02

I/O SO/SB0

Function

This is a 4-bit input port (PORT0).

P01 to P03 are 3-bit pins for which an internal

pull-up resistor connection can be specified

by software.

8-bit

I/O

—

Status I/O circuit

after reset type Note 1

Input

<B>

<F>-A

<F>-B

P03

I/O SI/SB1

<M>-C

P10

Input INT0

This is a 4-bit input port (PORT1).

—

Input

<B>-C

These are 4-bit pins for which an internal pull-up

P11

INT1

resistor connection can be specified by software.

INT0 includes noise elimination function.

P12

TI1/TI2/INT2

P13

TI0

P20

I/O PTO0

This is a 4-bit I/O port (PORT2).

—

Input

E-B

These are 4-bit pins for which an internal pull-up

P21

PTO1

resistor connection can be specified by software.

P22

PCL/PTO2

P23

BUZ

P30

I/O LCDCL/MD0

This is a programmable 4-bit I/O port (PORT3).

—

Input

E-B

Input and output in single-bit units can be specified.

P31

SYNC/MD1

When set for 4-bit units, an internal pull-up resistor

connection can be specified by software.

P32

MD2

P33

MD3

P40 Note 2

*

P41 Note 2

P42 Note 2

I/O D0

D1

D2

This is an N-ch open-drain 4-bit I/O port (PORT4).

When set to open-drain, voltage is 13 V.

Also functions as data I/O pin (lower 4 bits)

for program memory (PROM) write/verify.

š

High

M-E

impedance

P43 Note 2

D3

P50 Note 2

*

P51 Note 2

P52 Note 2

I/O D4

D5

D6

This is an N-ch open-drain 4-bit I/O port (PORT5).

When set to open-drain, voltage is 13 V.

Also functions as data I/O pin (upper 4 bits)

for program memory (PROM) write/verify.

High

M-E

impedance

P53 Note 2

D7

Notes 1. Circuit types enclosed in brackets indicate Schmitt trigger input.

2. Low-level input leakage current increases when input instructions or bit manipulation instructions are executed.

6

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