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HT82K72A - One Channel Keyboard

Download the HT82K72A datasheet PDF. This datasheet also covers the HT82K72E variant, as both devices belong to the same one channel keyboard family and are provided as variant models within a single manufacturer datasheet.

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.

Key Features

  • Operating voltage:.
  • 36 I/O bi-directional lines with pull-high options.
  • Supports max. 20´8 keyboard.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (HT82K72E_Holtek.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
HT82K75R 2.4GHz Transceiver 8-Bit OTP MCU Holtek Semiconductor
HT82K75RE 2.4GHz Transceiver 8-Bit OTP MCU Holtek Semiconductor
HT82K75REW 2.4GHz Transceiver 8-Bit OTP MCU Holtek Semiconductor
HT82K28 Win98 Keyboard Encoder Holtek Semiconductor Inc
HT82K28A Win98 Keyboard Encoder Holtek Semiconductor Inc

Other Datasheets by Holtek Semiconductor

Part Number Description
HT82K72E One Channel Keyboard
HT82K70E-L (HT82K70E-L / HT82K76E-L) I/O Type 8-Bit OTP MCU
HT82K73E 2.4GHz Keyboard TX 8-Bit OTP MCU
HT82K74E 27MHz Keyboard/ Mouse TX 8-Bit MCU
HT82K74EE 27MHz Keyboard/ Mouse TX 8-Bit MCU

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
HT82K72E/HT82K72A One Channel Keyboard with R-F Type MCU Technical Document · Tools Information · FAQs · Application Note - HA0075E MCU Reset and Oscillator Circuits Application Note Features · Operating voltage: · 36 I/O bi-directional lines with pull-high options · Supports max. 20´8 keyboard applications · Power down and wake-up functions to reduce power fSYS= 27MHz: 2.0V~3.