Description

The GMS87C1102 and GMS87C1202 are an advanced CMOS 8-bit microcontroller with 2K bytes of ROM. The HYUNDAI MicroElectronics GMS87C1102 and GMS87C1202 are a powerful microcontroller which provides a highly flexible and cost effective solution to many small applications. The GMS87C1102 and GMS87C1202 provide the following standard features: 2K bytes of ROM(OTP), 128 bytes of RAM, 8-bit timer/counter, 8-bit A/D converter, 10-bit High Speed PWM Output, Programmable Buzzer Driving Port (GMS87C1202 only), on-chip oscillator and clock circuitry. In addition, the GMS87C1102 and GMS87C1202 support power saving modes to reduce power consumption.

Features

? 2K bytes On-chip Program Memory

? 128 Bytes of On-Chip Data RAM

? Minimum Instruction execution time:

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

? 2.7V to 6.0V Wide Operating Range

? Basic Interval Timer

? Two 8-Bit Timer/ Counters

? 10-Bit High Speed PWM Output

? Two external interrupt ports (GMS87C1102 has one external interrupt port)

? One Programmable Buzzer Driving port (GMS87C1202 only)

? 15 Programmable I/O Lines (GMS87C1102 has 11 programmable I/O lines)

? Seven Interrupt Sources (GMS87C1102 has Six interrupt sources)

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

? 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 )