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HT82K72E/HT82K72A -- One Channel Keyboard with R-F Type MCU
General Description
The device is an 8-bit high performance, RISC architecture microcontroller devices specifically designed for multiple I/O control product applications. With its internal 27MHz amplifier the device is suitable for applications such as 27MHz or 2.4GHz keypads etc.
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
- 36 bidirectional I/O lines
- Watchdog Timer function
- Single 16-bit internal timer with overflow interrupt and timer input
- Integrated high-drive CMOS inverter 27MHz amplifier
- 27MHz or 6MHz external crystal oscillator
- Two bit to define micro-controller system clock (fSYS/1,
fSYS/4, fSYS/8, fSYS/16)
- PC6/RF data is defined as RF data out
- 36 I/O bi-directional lines with pull-high options
- Supports max. 20x8 keyboard applications
- 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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