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HE83R125
HE80000 Series
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General Description ___________________________________________________________________1
Features _____________________________________________________________________________2
Pin Description _______________________________________________________________________2
LCD Power Supply ____________________________________________________________________2
LCDC Control register_________________________________________________________________2
LCD RAM map_______________________________________________________________________2
Oscillators ___________________________________________________________________________2
General Purpose I/O___________________________________________________________________2
Timer1 ______________________________________________________________________________2
Timer2 ____________________________________________________________________________2
Watch Dog Timer ___________________________________________________________________2
Pulse-Width Modulation _____________________________________________________________2
Summary of Registers and Mask Options _______________________________________________2
Absolute Maximum Rating ___________________________________________________________2
Recommended Operating Conditions __________________________________________________2
AC/DC Characteristics ______________________________________________________________2
Application Circuit__________________________________________________________________2
1. General Description
HE83R125 is a member of 8-bit MCU series developed by King Billion. 32 LCD segment driver pins are
multiplexed with I/O pins to provide flexibility of wide variety of combinations to suit the needs of
applications Users can choose any one of combinations from 320 dots LCD Driver with 8 Bit I/O Port to
64 dots LCD Driver with 40-bit I/O Port, etc. by mask option. The built-in LCD power regulator can
provide stable LCD display effect over wide range of battery voltage. The Pulse Width Modulation with
complementary outputs provides the complete speech output mechanism. The 128K ROM can store
around 40 second of speech. This chip is applicable to the small/medium systems such as LCD Games,
Perpetual Calendar etc. The instruction set or HE80000 easy to learn and use. Most of instructions take
only 3 oscillator clocks. This chip is suitable for the applications that require higher performance.
April 28, 2003
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V1.0E
This specification is subject to change without notice. Please contact sales person for the latest version before use.