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HT82K73E -- 2.4GHz Keyboard TX 8-Bit OTP MCU
General Description
The device is an 8-bit high performance, RISC
architecture microcontroller devices specifically designed for
multiple I/O control product applications.
The advantages of low power consumption, I/O
flexibility, timer functions, oscillator options, Power Down and
wake-up functions, Watchdog timer, motor driving, industrial
control, consumer products, subsystem controllers, etc.
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Features
- Operating voltage:
fSYS= 27MHz: 2.0V~3.3V for crystal mode
fSYS= 4MHz: 2.0V~3.3V for external RC mode
- 39 bidirectional I/O lines
- Watchdog Timer function
- Single 16-bit internal timer with overflow interrupt
and timer input
- 27MHz external crystal oscillator and 4MHz external
RC mode
- Two bit to define micro-controller system clock (fSYS/1,
fSYS/4, fSYS/8, fSYS/16)
- Built-in DC/DC to provide stable (2.8, 3.1, 3.4,
3.8,
4.1, 4.6V use OTP option) VDD with error ±5%
- 39 I/O bi-directional lines with pull-high options
- Power down and wake-up functions to reduce power
consumption
- 4-level subroutine nesting
- Bit manipulation instruction
- Table read instructions
- 63 powerful instructions
- All instructions executed in one or two machine
cycles
- Low voltage reset function
- 48 SSOP package
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