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HE84G770
HE80004H SERIES
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Table of Contents -
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General Description ___________________________________________________________________3
Features _____________________________________________________________________________3
Functional Block Diagram ______________________________________________________________4
Pin Description _______________________________________________________________________4
ROM Map Configurations______________________________________________________________7
External RAM/Flash Memory__________________________________________________________10
LCD Display RAM Map ______________________________________________________________11
LCD driver configurations_____________________________________________________________12
16 Gray Scale LCD Display RAM Map ________________________________________________13
4 Gray Scale LCD Display RAM Map _________________________________________________19
Black and White LCD Display RAM Map______________________________________________22
LCD Power Supply ___________________________________________________________________25
Oscillators ________________________________________________________________________28
General Purpose I/O _______________________________________________________________29
Key Scan Circuit___________________________________________________________________31
Timer1 ___________________________________________________________________________33
Timer2 ___________________________________________________________________________34
Time Base ________________________________________________________________________35
Watch Dog Timer __________________________________________________________________35
Voice Output ______________________________________________________________________37
Low Voltage Detection/Reset _________________________________________________________42
Infrared output____________________________________________________________________43
Universal Asynchronous Receiver/Transmitter__________________________________________44
Interface Registers _________________________________________________________________45
Baud Rate Configuration Register ____________________________________________________45
Interrupt Enable, Identification Register ______________________________________________46
Line Control Register_______________________________________________________________47
October 31, 2003
1
Version:V1.1
This specification is subject to change without notice. Please contact sales person for the latest version before use.