King Billion Electronics Co., Ltd

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HE847701

HE80000 SERIES

March 26, 2004

Page 1 of 29

V1.03

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 _______________________________________________________________________3

5.

Pad Location _________________________________________________________________________6

6.

LCD RAM Map ______________________________________________________________________8

7.

LCD Power Supply___________________________________________________________________11

7.1.

LCDC Control register _____________________________________________________________14

8.

Oscillators __________________________________________________________________________14

9.

General Purpose I/O__________________________________________________________________16

10.

Key Scan Circuit___________________________________________________________________17

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.

Absolute Maximum Rating __________________________________________________________25

18.

Recommended Operating Conditions _________________________________________________25

19.

AC/DC Characteristics _____________________________________________________________25

20.

Application Circuit_________________________________________________________________27

21.

Important Note ____________________________________________________________________28

22.

Updated Record ___________________________________________________________________29