HT82K68E-20 데이터 시트보기 (PDF) - Holtek Semiconductor

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HT82K68E-20

Multimedia Keyboard Encoder 8-Bit OTP MCU

Holtek Semiconductor 

HT82K68E

Multimedia Keyboard Encoder 8-Bit OTP MCU

Technical Document

· Tools Information

· FAQs

· Application Note

Features

· Operating voltage: 2.2V~5.5V

· 32/34 bidirectional I/O lines

· One 8-bit programmable timer counter with overflow

interrupts

· Crystal or RC oscillator

· Watchdog Timer

· 3K´16 program EPROM

· 160´8 data RAM

· One external interrupt pin (shared with PC2)

· 2.4V LVR by option (default disable)

· HALT function and wake-up feature reduce power

consumption

· Six-level subroutine nesting

· Bit manipulation instructions

· 16-bit table read instructions

· 63 powerful instructions

· All instructions in 1 or 2 machine cycles

· 20/28-pin SOP, 48-pin SSOP package

General Description

The HT82K68E is an 8-bit high performance peripheral

interface IC, designed for multiple I/O products and mul-

timedia applications. It supports interface to a low speed

PC with multimedia keyboard or wireless keyboard in

Windows 95, Windows 98 or Windows 2000

environment. A HALT feature is included to reduce

power consumption.

Rev. 2.00

1

July 10, 2007

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