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HTG13J0

4-Bit Microcontroller

Holtek Semiconductor 

HTG13J0

4-Bit Microcontroller

Features

· Operating voltage: 2.4V~3.3V

· Eight input lines

· Three output lines

· Five working registers

· RC oscillator for system clock

· 8K´8 program ROM

· 160´4 data RAM

· 40´8 segment LCD driver, 1/5 bias, 1/8 duty

· 8-bit programmable timer with built-in fre-

quency source

· 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 VDD=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.

1

May 19, 1999

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