HMS91C8032 datasheet(5/157 Pages) HYNIX

5 / 157 page

HMS91C8032/97C8032

NOV., 2001 Ver 1.02

1.3 Features

Item

Features

ROM

32K x 8-bit

RAM

1K x 8-bit

Instruction Cycle

With variable instruction execution time function

1.66

µs / 3.33µs / 26.6µs (with main system clock : 7.2MHz)

366.2

µs (with sub-system clock : 32.768KHz)

Instruction Set

MCS-51 Micro-controller Compatible Instruction Set

I/O Port

CMOS I/O : 62 pins (including 4-open drain ports)

A/D Converter

8-bit resolution x 8-channels

Serial Interface

3-wire serial I/O mode : 2 channels

Full duplex UART : 1 channel

Timer/Counter

Five 16-bit timers/event counters

Dedicated Watchdog timer

Buzzer(Beep) Output

1.2KHz (fx/6000), 2.4KHz (fx/3000), 4.5KHz (fx/1600), 8.0KHz (fx/900)

Interrupt Source

7 External, 11 Internal Sources

PLL

Frequency

Synthesizer

Division Mode

Direct division mode (VCOL pin)

Pulse swallow mode (VCOH and VCOL pins)

Reference

Frequency

13 types selected by program

1, 1.25, 2.5, 3, 5, 6.25, 9, 10, 12.5, 18, 20, 25, 50KHz

Charge Pump

Error out : EO pin

Phase Detector

Unlock detectable by program

Frequency Counter

Frequency Measurement

AMIFC pin : for 450KHz count

FMIFC pin : for 10.7MHz count

Standby Function

Idle mode

Power-down mode

Reset

Reset by RESET pin

Reset by Vdet circuit

Vdet circuit: Detection of less than 2.7V (Normal operation mode)

Power Supply Voltage

VDD = 4.5V to 5.5V (with PLL operating)

VDD > 1.8V (Data retention mode)

System Clock

Main system clock : 7.2MHz

Sub-system clock : 32.768KHz

Package

80 pin plastic MQFP

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