Description

The GMS81C7008/7016 is advanced CMOS 8-bit microcontrollers with 8K/16K bytes of ROM. There are a powerful microcontroller which provides a highly flexible and cost effective solution to many LCD applications. These provide the following standard features:16K/ 8K bytes of mask type ROM or 16K bytes OTP ROM, 448 bytes of RAM, 8-bit timer/counter, 8-bit A/D converter, 10 bit high speed PWM Output, programmable buzzer driving port, 8-bit basic interval timer, watch dog timer, serial peripheral interface, on chip oscillator and clock circuitry. They also come with 4com/24seg LCD driver. In addition, it support power saving mode to reduce power consumption.

Features

? 8K/16K Bytes On-chip Programmable ROM

? 448 Bytes of On-chip Data RAM (Included stack area and 27 nibbles LCD Display RAM)

? Instruction Execution Time 1μs at 4MHz (2cycle NOP Instruction)

? One 8-bit Basic Interval Timer

? One Watch Timer

? One Watchdog Timer

? Four 8-bit Timer/Event Counter (or Two 16-bit Timer/Event Counter)

? Two channel 10-bit High Speed PWM Output

? Three External Interrupt input ports

? One Programmable 6-bit Buzzer Driving port

- 500Hz ~ 250kHz@4MHz

? 49 I/O Ports

? Eight channel 8-bit A/D converter

? One 8-bit Serial Communication Interface

? LCD Display/ Controller

- Static Mode (27SEG x 1COM, Static)

- 1/2 Duty Mode (26SEG x 2COM, 1/2 or 1/3 Bias)

- 1/3 Duty Mode (25SEG x 3COM, 1/3 Bias)

- 1/4 Duty Mode (24SEG x 4COM, 1/3 Bias)

- Internal Built-in Resistor Circuit for Bias

? Thirteen Interrupt sources

- Basic Interval Timer: 1

- External input: 3

- Timer/Event counter: 4

- ADC: 1

- Serial Interface: 1

- WT:1

- WDT: 1

- Key Scan: 1

? Main Clock Oscillation (1.0~4.5MHz)

- Crystal

- Ceramic Resonator

- External R Oscillator (Built-in Capacitor)

? Sub Clock Oscillation

- 32.768kHz Crystal Oscillator

? Power Saving Operation Mode

- Main / Sub Active mode changeable

- 2/8/16/64 divided system clock selectable

? Power Down Mode

- STOP mode

- SLEEP mode

- Sub active Mode

? 2.7V to 5.5V Wide Operating Voltage Range

? Noise Immunity Circuit for EMS

- Power fail processor

- Built in Noise filter

? 64SDIP, 64LQFP package types

? Available 16K bytes OTP version