HTG12B0 Просмотр технического описания (PDF) - Holtek Semiconductor

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HTG12B0

4-Bit Microcontroller

Holtek Semiconductor 

HTG12B0

4-Bit Microcontroller

Features

· Operating voltage: 2.4V~3.6V

· Eight input lines

· Eight input/output lines

· Five working registers

· 4K ´ 8 ´ 4 program ROM

· 128 ´ 4 ´ 8 (4096) bits data memory RAM

· Sound effect circuit

· 40 segment ´ 16 common, 1/4 bias LCD driver

· LCD output is fixed at 4.4V

· RC oscillator & 32768Hz crystal oscillator

· 8-bit timer with internal or external clock

source

· Internal timer overflow

· Up to 4ms instruction cycle with 1MHz

system clock

· One level subroutine nesting

· Halt feature reduces power consumption

· 8-bit table read instruction

General Description

The HTG12B0 is a processor from HOLTEK¢s

4-bit stand-alone single chip microcontroller

specially designed for LCD display and time

piece product applications.

It is ideally suited for multiple LCD for time

piece low power applications among which are

calculators, scales, calendar and hand held

LCD products.

1

September 8, 1999

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