91400 RM (IM) SK No.6712-1/24

Ver.1.04

61899

Preliminary

Overview

The LC87F72C8A is an 8 bit single chip microcontroller with the following on-chip functional blocks :

- CPU: operable at a minimum bus cycle time of 100 ns

- 128K bytes flash ROM (on-board rewritable)

- On-chip RAM: 2048 bytes

- LCD controller / driver

- 16 bit timer / counter (can be divided into two 8 bit timers)

- 16 bit timer / PWM (can be divided into two 8 bit timers)

- Timer for use as date / time clock

- Synchronous serial I/O port (with automatic block transmit / receive function)

- Asynchronous / synchronous serial I/O port

- 12-channel

× 8-bit AD converter

- Small signal detector

- 14-source 10-vectored interrupt system

All of the above functions are fabricated on a single chip.

Features

(1) Flash ROM

-Single 5V power supply, on-board writable

-Block erase in 128 byte units

-131072

× bits (LC87F72C8A)

(2) Random Access Memory (RAM): 2048

× 9 bits (LC87F72C8A)

8-Bit Single Chip Microcontroller with

128 KB Flash Memory and 2048-Byte RAM On Chip

LC87F72C8A

Ordering number : ENN*6712

CMOS IC