Datasheet > HE89C21

HE89C21

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
KB		微控制器
页数	文件大小	规格书
16页	329K
描述
8-BIT MICRO-CONTROLLER

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数据手册

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HE89C21 数据手册

King Billion Electronics Co., Ltd.

HE89C21

駿億電子股份有限公司

HE80000 SERIES

- Table of Contents -

1. General Description ___________________________________________________________________1

2. Features _____________________________________________________________________________2

3. Pin Description _______________________________________________________________________2

4. Pad Diagram _________________________________________________________________________4

5. Pad Coordinations ____________________________________________________________________4

6. LCD Power Supply____________________________________________________________________5

6.1.

LCDC Control register ______________________________________________________________6

7. LCD RAM Map ______________________________________________________________________6

8. Oscillators ___________________________________________________________________________7

9. General Purpose I/O___________________________________________________________________8

10.

11.

12.

13.

14.

15.

16.

17.

18.

19.

20.

Timer1 ____________________________________________________________________________9

Timer2 ___________________________________________________________________________10

Watch Dog Timer __________________________________________________________________12

Low Voltage Reset _________________________________________________________________13

Dual-Tone Multiple Frequency Generator______________________________________________13

Absolute Maximum Rating __________________________________________________________14

Recommended Operating Conditions _________________________________________________15

AC/DC Characteristics _____________________________________________________________15

Application Circuit_________________________________________________________________16

Important Note____________________________________________________________________16

Updated Record ___________________________________________________________________16

1.General Description

HE89C21 is a member of 8-bit Micro-controller series developed by King Billion Electronics for telecom

applications. This chip has 4-COM x 32-SEG LCD driver with built-in regulator to provide stable visual

effect over the battery life, 16-bit general purpose I/O port, DTMF generator for the dialing tone

generation. It is suitable for application in feature telephone products.

The instruction set of HE80000 are easy to learn and simple to use. Thirty-two instructions with four-type

January 20, 2003

V1.0E

12 3 4 5 6 7...16

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