Holtek Semiconductor HT82K68A
The HT82K68A 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. Each bit can be configured as a wake-up input by mask option.| Part No. | HT82K68A |
|---|---|
| Datasheet | HT82K68A Download |
| Manufacturer |  Holtek Semiconductor |
| Description | Multimedia Keyboard Encoder Body |
| Buy | Stock & Price |
FEATURES
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● Multimedia Keyboard Encoder Body
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● HT82K68A Operating voltage: 2.2V~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 program ROM 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-pin DIP/42-pin DIP/DICE form package
GENERAL DESCRIPTION
A HALT feature is included to reduce power consumption. 1 April 20, 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 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 HT82K68A 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 t...
