HT82K68E_07 HOLTEK [Holtek Semiconductor Inc], HT82K68E_07 Datasheet

Manufacturer Part Number

HT82K68E_07

Description

Multimedia Keyboard Encoder 8-Bit OTP MCU

Manufacturer

HOLTEK [Holtek Semiconductor Inc]

Datasheet

1.HT82K68E_07.pdf (39 pages)

Technical Document

Features

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

Rev. 2.00

Tools Information

FAQs

Application Note

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)

Multimedia Keyboard Encoder 8-Bit OTP MCU

Windows 95, Windows 98 or Windows 2000

environment. A HALT feature is included to reduce

power consumption.

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

HT82K68E

July 10, 2007