Holtek Semiconductor HT82K68E
The HT82K68E is an 8-bit high performance peripheral interface IC, designed for multiple I/O products and multimedia applications. It supports interface to a low speed PC with multimedia keyboard or wireless keyboard in Windows 95, Windows 98 or Windows 2000 environment. The program and option PROM can be electrically programmed making the HT82K68E suitable for use in product development.| Part No. | HT82K68E |
|---|---|
| Datasheet | HT82K68E Download |
| Manufacturer |  Holtek Semiconductor |
| Description | Multimedia Keyboard Encoder OTP |
| Buy | Stock & Price |
FEATURES
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● Multimedia Keyboard Encoder OTP
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● HT82K68E Operating voltage: 2.8V~5.5V 34(42-pin)/32(40-pin) bidirectional I/O lines One 8-bit programmable timer counter with overflow interrupts Crystal or RC oscillator Watchdog Timer 3K´16 OTP EPROM 160´8 data RAM 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 40/42-pin DIP package
GENERAL DESCRIPTION
A HALT feature is included to reduce power consumption. 1 August 8, 2000 Preliminary Block Diagram S T A C K 0 S T A C K 1 S T A C K 2 S T A C K 3 P ro g ra m E P R O M P ro g ra m C o u n te r S T A C K 4 S T A C K 5 In te rru p t C ir c u it S Y S C L K /4 T M R T M R C HT82K68E IN T C 8 b it S Y S C L K /4 W D T M U X R C O S C In s tr u c tio n R e g is te r M P 0 M P 1 M U X D A T A M e m o ry W D T S W D T P r e s c a le r In s tr u c tio n D e c...
