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
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