King Billion Electronics Co., Ltd
HE84770
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 _______________________________________________________________________3
5. LCD RAM Map ______________________________________________________________________5
6. LCD Power Supply____________________________________________________________________8
6.1.
LCDC Control register _____________________________________________________________10
7. Oscillators __________________________________________________________________________10
8. General Purpose I/O__________________________________________________________________12
9. Key Scan Circuit_____________________________________________________________________13
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
Timer1 ___________________________________________________________________________15
Timer2 ___________________________________________________________________________16
Time Base Interrupt________________________________________________________________18
Watch Dog Timer __________________________________________________________________18
Digital-to-Analog Converter _________________________________________________________19
Pulse-Width Modulation ____________________________________________________________20
Absolute Maximum Rating __________________________________________________________21
Recommended Operating Conditions _________________________________________________21
AC/DC Characteristics _____________________________________________________________21
Application Circuit_________________________________________________________________23
Important Note____________________________________________________________________24
Updated Record ___________________________________________________________________25
August 25, 2003
Page 1 of 26
V2.6E
This specification is subject to change without notice. Please contact sales person for the latest version before use.