HTG12N0 データシートの表示（PDF） - Holtek Semiconductor

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HTG12N0

4-Bit Microcontroller

Holtek Semiconductor 

HTG12N0

4-Bit Microcontroller

Features

• Operating voltage: 2.4V~3.5V

• Seven input lines

• Six output lines

• Halt feature reduces power consumption

• Up to 4µs instruction cycle with 1MHz

system clock

• 4K × 8 × 4 program ROM

• Data memory RAM size 256 × 4 bits

• 64 segments × 8 commons, 1/5 bias LCD driver

General Description

The HTG12N0 is the processor from HOLTEK’s

4-bit stand alone single chip microcontroller

specially designed for LCD display and time

piece product applications.

• 8-bit table read instruction

• Five working registers

• Internal timer overflow

• One level subroutine nesting

• RC oscillator and 32768Hz crystal oscillator

• 8-bit timer with internal or external clock

source

• Sound effect circuit

It is ideally suited for multiple LCD time piece

low power applications among which are calcu-

lators, scales, calendar and hand held LCD

products.

1

18th Mar ’99

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