描述 Description

The HMS87C1X0XA is an advanced CMOS 8-bit microcontroller with 4K/2K bytes of EPROM. The Hynix HMS87C1X0XA is a powerful microcontroller which provide a highly flexible and cost effective solution to many small applications such as controller for battery charger. The HMS87C1X0XA provides the following standard features: 4K/2K bytes of EPROM, 128bytes of RAM, 8-bit timer/counter, 8-bit A/D converter, 10-bit high speed PWM output, programmable buzzer driving port, power-on reset circuit, on-chip oscillator and clock circuitry. In addition, the HMS87C1X0XA supports power saving modes to reduce power consumption.

特性 Features

? 4K/2K Bytes On-chip Program Memory

? 128 Bytes of On-chip Data RAM (Included stack memory)

? Instruction Cycle Time:

- 250nS at 8MHz

? Programmable I/O pins (LED direct driving can be source and sink)

- HMS87C1304A/1302A : 19

- HMS87C1204A/1202A : 15

- HMS87C1104A/1102A : 11

? 2.0V to 5.5V Wide Operating Range

? 8-bit A/D Converter

- 8 channels

? One 8-bit Basic Interval Timer

? Two 8-bit Timer / Counters

? One 10-bit High Speed PWM Outputs

? Watchdog timer

? Seven Interrupt sources

- External input: 2 ( 1 for HMS87C1104/2A )

- A/D Conversion: 1

- Timer: 4

? One Programmable Buzzer Driving port ( except HMS87C1104/2A )

- 500Hz ~ 130kHz