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 )