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.

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

Technical Document

Other Information