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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 applications.
It is particularly suitable for use in products such as keyboards. A
HALT feature is included to reduce power consumption. The mask
version HT82K95A is fully pin and functionally compatible with the
OTP version HT82K95E device.
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Features
- Operating voltage:
fSYS=6M/12MHz: 3.3V~5.5V
- Low voltage reset function
- 32 bidirectional I/O lines (max.)
- 8-bit programmable timer/event counter with overflow
interrupt
- 16-bit programmable timer/event counter and overflow
interrupts
- Crystal oscillator (6MHz or 12MHz)
- Watchdog Timer
- PS2 and USB modes supported
- USB1.1 low speed function
- 3 endpoints supported (endpoint 0 included)
- 4096×15 program memory ROM
- 160×8 data memory RAM
- All I/O ports support wake-up options
- HALT function and wake-up feature reduce power
consumption
- 8-level subroutine nesting
- Up to 0.33us instruction cycle with 12MHz system
clock at VDD=5V
- Bit manipulation instruction
- 15-bit table read instruction
- 63 powerful instructions
- All instructions in one or two machine cycles
- 28-pin SOP, 48-pin SSOP package
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