GMS87C1102 datasheet(4/89 Pages) HYNIX

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GMS81C1102 / GMS81C1202

Jan. 2002 ver 2.0

GMS81C1102 / GMS81C1202

CMOS SINGLE-CHIP 8-BIT MICROCONTROLLER

1. OVERVIEW

1.1 Description

The GMS81C1102 and GMS81C1202 are an advanced CMOS 8-bit microcontroller with 2K bytes of ROM. The Hynix

GMS81C1102 and GMS81C1202 are a powerful microcontroller which provides a highly flexible and cost effective solution

to many small applications. The GMS81C1102 and GMS81C1202 provide the following standard features: 2K bytes of

ROM, 128 bytes of RAM, 8-bit timer/counter, 8-bit A/D converter, 10-bit High Speed PWM Output, Programmable Buzzer

Driving Port (GMS81C1202 only), on-chip oscillator and clock circuitry. In addition, the GMS81C1102 and GMS81C1202

support power saving modes to reduce power consumption.

This document is only explained for the base of GMS81C1202, the eliminated functions are same as below.

1.2 Features

• 2K bytes On-chip Program Memory

• 128 Bytes of On-Chip Data RAM

• Minimum Instruction execution time:

- 500ns at 8MHz (2cycle NOP Instruction)

• 2.2V to 6.0V Wide Operating Range

• Basic Interval Timer

• Two 8-Bit Timer/ Counters

• 10-Bit High Speed PWM Output

• Two external interrupt ports

(GMS81C1102 has one external interrupt port)

• One Programmable Buzzer Driving port

(GMS81C1202 only)

• 15 Programmable I/O Lines

(GMS81C1102 has 11 programmable I/O lines)

• Seven Interrupt Sources

(GMS81C1102 has Six interrupt sources)

• 8-Channel 8-Bit On-Chip Analog to Digital Con-

verter

• Watch dog timer

• Oscillation :

- Crystal

- Ceramic Resonator

- External Oscillator

- RC Oscillation

• Power Down Mode

- STOP mode

- Wake-up Timer mode

- RC-WDT mode

• Power Fail Processor

( Noise Immunity Circuit )

1.3 Development Tools

The GMS800 family is supported by a full-featured macro

assembler, an in-circuit emulators CHOICE-Dr.™, and

add-on board type OTP writer Dr.Writer™ .

The availability of OTP devices is especially useful for

customers expecting frequent code changes and updates.

The OTP devices, packaged in plastic packages, permit the

user to program them once.

Device name

ROM Size

RAM Size

I/O

BUZ

INT1

Package

GMS81C1102

2K bytes

128 bytes

16DIP/SOP

GMS81C1202

2K bytes

128 bytes

YES

20DIP/SOP

GMS87C1102

2K bytes(OTP)

128 bytes

16DIP/SOP

GMS87C1202

2K bytes(OTP)

128 bytes

YES

20DIP/SOP

In Circuit Emulator

CHOICE-Dr.

Assembler

Hynix Semiconductor

Macro Assembler

OTP Writer

Dr.Writer

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