GMS30112 Просмотр технического описания (PDF) - Hynix Semiconductor

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GMS30112

4-BIT SINGLE CHIP MICROCOMPUTERS

Hynix Semiconductor 

Chapter 1. Introduction

Pin Description

Pin

Name

Input/Output

Function

VDD

Connected to 2.0~4.0V power supply

GND

RESET

Ground

Reset input

Connected to 0V power supply.

I

Reset signal input which is a low active.

OSC1

Oscillator input

I

I/O pins of internal clock oscillating circuit.

Built in feedback resistor. Connect a ceramic

OSC2

Oscillator output

O

resonator to these pins.

REMOUT

O

Remocon signal output port which has high

current driving capability.

R0 ~ R3

R-Port

I/O

4bit programmable I/O port.

K0 ~ K3

K-Port

I

4bit input port with built in pull-up resistor.

D0 ~ D9

D-Port

10bit output port which can be set or reset pin

O

by pin independently.

The output structure is N-channel open drain.

1- 7

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