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HT82K94E - USB Multimedia Keyboard Encoder 8-Bit MCU

Download the HT82K94E datasheet PDF. This datasheet also covers the HT82K94A variant, as both devices belong to the same usb multimedia keyboard encoder 8-bit mcu family and are provided as variant models within a single manufacturer datasheet.

General Description

This device is an 8-bit high performance RISC architecture microcontroller designed for USB product applications.

It is particularly suitable for use in products such as keyboards and keyboard with calculator.

A HALT feature is included to reduce power consumption.

Key Features

  • Operating voltage: fSYS=6MHz: 2.3V~5.5V fSYS=12MHz: 3.0V~5.5V.
  • 40 bidirectional I/O lines (max. ).
  • 8-bit programmable timer/event counter with overflow interrupt (shared with PD4, vector 08H).
  • 16-bit programmable timer/event counter and overflow interrupts (shared with PA7, vector 0CH).
  • Crystal oscillator (6MHz or 12MHz).
  • Watchdog Timer.
  • PS2 and USB modes supported.
  • USB 2.0 low speed function.
  • 4 endpoints supported (endpoint 0 included).
  • 6144´16.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (HT82K94A_HoltekSemiconductor.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
HT82K96E 8-Bit USB Multimedia Keyboard Encoder OTP MCU Holtek Semiconductor Inc
HT82K28 Win98 Keyboard Encoder Holtek Semiconductor Inc
HT82K28A Win98 Keyboard Encoder Holtek Semiconductor Inc
HT82K628 Windows 2000 Keyboard Encoder Holtek Semiconductor Inc
HT82K628A Windows 2000 Keyboard Encoder Holtek Semiconductor Inc

Other Datasheets by Holtek Semiconductor

Part Number Description
HT82K94A USB Multimedia Keyboard Encoder 8-Bit MCU
HT82K95A USB Multimedia Keyboard Encoder 8-Bit MCU
HT82K95AE USB Multimedia Keyboard Encoder 8-Bit MCU
HT82K95E USB Multimedia Keyboard Encoder 8-Bit MCU
HT82K95EE USB Multimedia Keyboard Encoder 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
HT82K94E/HT82K94A USB Multimedia Keyboard Encoder 8-Bit MCU Features · Operating voltage: fSYS=6MHz: 2.3V~5.5V fSYS=12MHz: 3.0V~5.5V · 40 bidirectional I/O lines (max.) · 8-bit programmable timer/event counter with overflow interrupt (shared with PD4, vector 08H) · 16-bit programmable timer/event counter and overflow interrupts (shared with PA7, vector 0CH) · Crystal oscillator (6MHz or 12MHz) · Watchdog Timer · PS2 and USB modes supported · USB 2.0 low speed function · 4 endpoints supported (endpoint 0 included) · 6144´16 program memory ROM · 224´8 data memory RAM · One internal USB interrupt (vector 04H) · All I/O ports support wake-up options · HALT function and wake-up feature reduce power consumption · 8-level subroutine nesting · Up to 0.