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HT82K74EE Datasheet 27MHz Keyboard/ Mouse TX 8-Bit MCU

Manufacturer: Holtek Semiconductor

Download the HT82K74EE datasheet PDF. This datasheet also includes the HT82K74E variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (HT82K74E_Holtek.pdf) that lists specifications for multiple related part numbers.

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 flexibilwww.DataSheet4U.com ity, timer functions, Power Down and wake-up functions, Watchdog timer, motor driving, industrial control, consumer products, subsystem controllers, etc.

There are two dice in the HT82K74EE package: one is the HT82K74E MCU, the other is a 128´8 bits EEPROM used for data memory purpose.

Overview

HT82K74E/HT82K74EE 27MHz Keyboard/ Mouse TX 8-Bit MCU Technical Document · Application Note - HA0075E MCU Reset and Oscillator Circuits Application.

Key Features

  • Operating voltage:.
  • 128´8 bits data EEPROM for HT82K74EE.
  • One external crystal (27MHz) to supply fSYS= 27MHz: 3.0V~3.3V for crystal mode.
  • Program Memory: 2K´15 bits.
  • Data Memory: 96´8 bits.
  • 36 bidirectional I/O lines, with pull-high options.
  • Watchdog Timer function.
  • Single 16-bit internal timer with overflow interrupt microcontroller system clock.
  • 63 powerful instructions.
  • All instructions executed in one or two machine cycles.
  • Low volta.

More Datasheets from Holtek Semiconductor

Part Number Description
HT82K74E 27MHz Keyboard/ Mouse TX 8-Bit MCU
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HT82K72A One Channel Keyboard
HT82K72E One Channel Keyboard
HT82K73E 2.4GHz Keyboard TX 8-Bit OTP MCU
HT82K76E-L (HT82K70E-L / HT82K76E-L) I/O Type 8-Bit OTP MCU