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GMS81608PL

LG Semicon. CMOS single-chip 8-bit microcontroller. ROM size 8K bytes. 256 bytes of on-chip data RAM

Hyundai Micro Electronics 

LG Semicon

GMS81604/08

GMS81604 / GMS81608

CMOS SINGLE-CHIP 8-BIT MICROCONTROLLER

OVERVIEW

Description

The GMS81604/08 is a high-performance CMOS 8-bit microcontroller with 4K or 8K bytes of ROM. The device

is one of GMS800 family. The LG Semicon GMS81604/08 is a powerful microcontroller which provides a highly

flexible and cost effective solution to many embedded control applications. The GMS81604/08 provides the

following standard features: 8K bytes of ROM, 256 bytes of RAM, 35 I/O lines(33 lines for 40PDIP), 16-bit or

8-bit timer/counter, a precision analog to digital converter, on-chip oscillator and clock circuitry. In addition, the

GMS81604/08 supports power saving modes to reduce power consumption. The Stop Mode saves the RAM

contents but freezes the oscillator disabling all other chip functions until the next hardware reset or external

interrupt.

Features

4K/ 8K On-chip Program Memory

256 Bytes of On-Chip Data RAM

Instruction execution time: 0.5us at 8MHz

2.4V to 5.5V Operating Range

1~8 MHz Operating frequency

Basic Interval Timer

Four 8-Bit Timer/ Counters (can be used

as two 16-bit)

Four external interrupt ports

Two Programmable Clock Out

Memory Proliferation

Device

ROM Bytes

GMS81604

4K

GMS81608

8K

GMS81608T

8K EPROM

RAM Bytes

256

256

256

Development Tools

The GMS800 family is supported by a full-featured

macro assembler, an in-circuit emulators CHOICE-

Jr.TM, socket adapters for OTP device.

The availability of OTP devices are especially useful

for customers expecting frequent code changes and

updates. The OTP devices, packaged in plastic pack-

One Buzzer Driving port

31 Programmable I/O, 4 Input pins,

Twelve Interrupt Sources

All LED Direct Drive Output Ports

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

Converter

Power Fail Processor

(Noise immunity circuit)

Power Down Mode (Stop Mode)

ages permit the user to program them once. In addition

to the program memory, the configuration fuses must

be programmed.

In-Circuit

Emulators

OTP devices

Socket

Adapters for

OTP Devices

Assembler

GMS81604, GMS81608

CHOICE-Jr.TM

GMS81608T (40 DIP)

GMS81608T K (42 SDIP)

GMS81608T PL (44 pin PLCC)

OA816A-40PD (40 DIP)

OA816A-42SD (42 SDIP)

OA816A-44PL (44 PLCC)

LGS Macro Assembler

1

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