King Billion Electronics Co., Ltd

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HE84760

HE80000 SERIES

August 15, 2003

Page 1 of 31

V1.2

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

- Table of Contents -

1.

General Description ___________________________________________________________________2

2.

Features _____________________________________________________________________________2

3.

Functional Block Diagram______________________________________________________________3

4.

Pin Description _______________________________________________________________________4

5.

Pad Location _________________________________________________________________________7

6.

LCD RAM Map _____________________________________________________________________10

7.

LCD Power Supply___________________________________________________________________11

7.1.

LCDC Control register _____________________________________________________________14

8.

Oscillators __________________________________________________________________________14

9.

General Purpose I/O__________________________________________________________________16

10.

Key Scan Circuit___________________________________________________________________18

11.

Timer1 ___________________________________________________________________________19

12.

Timer2 ___________________________________________________________________________20

13.

Time Base Interrupt________________________________________________________________22

14.

Watch Dog Timer __________________________________________________________________22

15.

Digital-to-Analog Converter _________________________________________________________23

16.

Pulse-Width Modulation ____________________________________________________________24

17.

Dual-Tone Multiple Frequency Generator______________________________________________25

18.

Absolute Maximum Rating __________________________________________________________27

19.

Recommended Operating Conditions _________________________________________________27

20.

AC/DC Characteristics _____________________________________________________________28

21.

Application Circuit_________________________________________________________________29

22.

Important Note ____________________________________________________________________30

23.

Updated Record ___________________________________________________________________31