HT82K68E-L/HT82K68A-L
Multimedia Keyboard Encoder 8-Bit MCU
Features
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Operating voltage: 1.8V~5.5V
·
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One 8-bit programmable timer counter with overflow
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HALT function and wake-up feature reduce power
consumption
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Six-level subroutine nesting
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Bit manipulation instructions
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16-bit table read instructions
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63 powerful instructions
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All instructions in 1 or 2 machine cycles
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20/28-pin SOP, 32-pin QFN and
interrupts
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Crystal or RC oscillator
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Watchdog Timer
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3K´16 program EPROM
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160´8 data RAM
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One external interrupt pin (shared with PC2)
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2.0V LVR by option (default disable)
48-pin SSOP/LQFP packages
General Description
This device is an 8-bit high performance peripheral in-
terface IC, designed for multiple I/O products and multi-
media applications. It supports interface to a low speed
PC with multimedia keyboard or wireless keyboard in
Windows 95, Windows 98 or Windows 2000 environ-
ment. A HALT feature is included to reduce power con-
sumption.
The mask version HT82K68A-L is fully pin and functionally
compatible with the OTP version HT82K68E-L device.
Rev. 1.40
1
February 1, 2011
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
