HMS87C1302AD Datasheet | SK Hynix

OVERVIEW 1.1 Description The HMS87C1304A and HMS87C1302A are an advanced CMOS 8-bit microcontroller with 4K/2K bytes of EPROM. The HYUNDAI Micro Electronics HMS87C1304A and HMS87C1302A are powerful microcontroller which provides a highly flexible and cost effective solution to many small applications such as controller for battery charger. The HMS87C1304A and HMS87C1302A provide 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, onchip oscillator and clock circuitry. In addition, the HMS87C1304A and HMS87C1302A supports power saving modes to reduce power consumption. Device name HMS87C1304A HMS87C1302A EPROM Size 4K bytes 2K bytes RAM Size 128bytes 128bytes Operatind Voltage 1.2 Features - 4K/2K Bytes On-chip Program Memory - 128 Bytes of On-chip Data RAM (Included stack memory) - Instruction Cycle Time: - 250n S at 8MHz - 19 Programmable I/O pins (LED direct driving can be source and sink) - 2.0V to 5.5V Wide Operating Range - One 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 P re m i l - Seven Interrupt sources - External input: 2 - A/D Conversion: 1 - Timer: 4 - One Programmable Buzzer Driving port - 500Hz ~ 130k Hz - Oscillator Type - Crystal - Ceramic Resonator - RC-oscillation ( C can be omit ) - Power-On Reset - Noise Immunity Circuit - Power Fail Processor - Power Down Mode - STOP mode - Wake-up Timer mode i a n 2.0 ~ 5.5V 2.0 ~ 5.5V ry Package 24 PDIP or SOP 24 PDIP or SOP Jan. 2001 Preliminary...