HT82K95E/HT82K95A -- USB Multimedia Keyboard Encoder 8-Bit MCU
General Description
This device is an 8-bit high performance RISC architecture microcontroller designed for USB product applicati***. It is particularly suitable for use in products such as keyboa***. A HALT feature is included to reduce power c***umption. The mask version HT82K95A is fully pin and functionally compatible with the OTP version HT82K95E device.
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Features
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Operating voltage:
fSYS=6M/12MHz: 3.3V~5.5V
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Low voltage reset function
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32 bidirectional I/O lines (max.)
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8-bit programmable timer/event counter with overflow interrupt
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16-bit programmable timer/event counter and overflow interrupts
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Crystal oscillator (6MHz or 12MHz)
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Watchdog Timer
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PS2 and USB modes supported
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USB 2.0 low speed function
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3 endpoints supported (endpoint 0 included)
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4096×15 program memory ROM
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160×8 data memory RAM
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All I/O ports support wake-up opti***
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HALT function and wake-up feature reduce power c***umption
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8-level subroutine nesting
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Up to 0.33us instruction cycle with 12MHz system clock at VDD=5V
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Bit manipulation instruction
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15-bit table read instruction
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63 powerful instructi***
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All instructi*** in one or two machine cycles
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28-pin SOP, 32-pin QFN, 48-pin SSOP package
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