King Billion Electronics Co., Ltd
HE84760
駿 億 電 子 股 份 有 限 公 司
HE80000 SERIES
- 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.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
Key Scan Circuit___________________________________________________________________18
Timer1 ___________________________________________________________________________19
Timer2 ___________________________________________________________________________20
Time Base Interrupt________________________________________________________________22
Watch Dog Timer __________________________________________________________________22
Digital-to-Analog Converter _________________________________________________________23
Pulse-Width Modulation ____________________________________________________________24
Dual-Tone Multiple Frequency Generator______________________________________________25
Absolute Maximum Rating __________________________________________________________27
Recommended Operating Conditions _________________________________________________27
AC/DC Characteristics _____________________________________________________________28
Application Circuit_________________________________________________________________29
Important Note____________________________________________________________________30
Updated Record ___________________________________________________________________31
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.