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HE847711
HE80000 SERIES
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General Description ___________________________________________________________________1
Features _____________________________________________________________________________2
Functional Block Diagram ______________________________________________________________2
Pin Description _______________________________________________________________________3
LCD RAM Map ______________________________________________________________________5
LCD Power Supply ____________________________________________________________________6
LCDC Control register ______________________________________________________________6
Oscillators ___________________________________________________________________________6
General Purpose I/O___________________________________________________________________6
Key Scan Circuit ______________________________________________________________________6
Timer1 ____________________________________________________________________________6
Timer2 ____________________________________________________________________________6
Time Base Interrupt_________________________________________________________________6
Watch Dog Timer ___________________________________________________________________6
Digital-to-Analog Converter __________________________________________________________6
Pulse-Width Modulation _____________________________________________________________6
Low Voltage Detection _______________________________________________________________6
Absolute Maximum Rating ___________________________________________________________6
Recommended Operating Conditions __________________________________________________6
AC/DC Characteristics ______________________________________________________________6
Application Circuit__________________________________________________________________6
Important Note _____________________________________________________________________6
Updated Record ____________________________________________________________________6
1. General Description
HE847711 is a member of 8-bit Micro-controller series developed by King Billion Electronics. Four LCD
driver configurations, 32 COM x 128 SEG, 48 COM x 112 SEG, 64 COM x 96 SEG or 80 COM x 80
SEG are available by mask option. 24 LCD segment driver pins multiplexed with I/O pins to provide
April 28, 2003
Page 1 of 26
V1.0
This specification is subject to change without notice. Please contact sales person for the latest version before use.