HTG13J0
4-Bit Microcontroller
Features
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Operating voltage: 2.4V~3.3V
Eight input lines
Three output lines
Five working registers
RC oscillator for system clock
8K麓8 program ROM
160麓4 data RAM
40麓8 segment LCD driver, 1/5 bias, 1/8 duty
8-bit programmable timer with built-in fre-
quency source
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Internal timer overflow interrupt
16 kinds of programmable sound effect
One-level subroutine nesting
Halt function and wake up feature reduce
power consumption
Halt instruction
8-bit table read instruction
Up to 4.0msec instruction cycle
(1.0MHz system clock), at V
DD
=3V
96 powerful instructions
General Description
The HTG13J0 is a processor from Holtek s
4-bit stand alone single chip microcontroller
specially designed for LCD product applica-
tions. It is especially suited for applications re-
quiring low power consumption system with
many LCD segments, such as calculator, scale,
subsystem controller, hand-held LCD products
and electronic appliances.
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May 19, 1999