King Billion Electronics Co., Ltd

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HE84760

HE80000 SERIES

August 15, 2003

Page 3 of 31

V1.2

This specification is subject to change without notice. Please contact sales person for the latest version before use.

Two 16-bit timers and one Time-Base timer.

Watch Dog Timer to prevent deadlock condition.

Instruction set: 32 instructions with 4 addressing modes.

3. Functional Block Diagram

SEG

FXI, FXO

COM

LCD

Driver

8 Bit CPU

Fast Clock

OSC.

LFR, LDL

512 KB ROM

SXI, SXO

LCD Extender

Interface

Slow Clock

OSC

4 KB RAM

LVL[1..5], LCDGS,

PWM

LCD Power

Supply

TC1

PWM

PRTC, PRTD, PRT10,

TC2

VO, DAO

PRT17

I/O Port

DAC

TBI

SGKY[43..24]

OPO,OPIN, OPIP

Key Scan

WDT

OP Amp