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HT82K94A - USB Multimedia Keyboard Encoder 8-Bit MCU

Datasheet Summary

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.

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.

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Datasheet preview – HT82K94A

Datasheet Details

Part number HT82K94A
Manufacturer Holtek Semiconductor
File Size 285.87 KB
Description USB Multimedia Keyboard Encoder 8-Bit MCU
Datasheet download datasheet HT82K94A Datasheet
Additional preview pages of the HT82K94A datasheet.

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Full PDF Text Transcription

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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.
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