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MEGAWIN Products
USB Product
USB Bridge
*
Bridge
MA108

General Description

The MA108 is a single chip keyboard encoder. It detects the key is pressed and/or released, sends the scan code to host system, and accepts the command from host system. It also supports the USB standard request version 2.0 as well as HID class request version 1.1.

  • * Support FW recover function for EMS(EFT/ESD).
  • * Support DFU update 6.5K ROM function.
  • * Low-speed USB Specification version 2.0 compliance.
    • *Human Interface Device : Standard Keyboard
    • *Human Interface Device : Generic Desktop Controls
    • *Human Interface Device : Consumer
  • * Supports USB suspend/resume and remote wake-up event.
    • *Silver membrane loop resistor must smaller than 2KOhm
    • *Carbon membrane loop resistor must smaller than 300KOhm
  • * LED direct sink pins
  • * Built-in 5V to 3.3V regulator for USB interface.
  • * Built-in 6Mhz±1.5% oscillator with temperature -40℃ ~ 85℃.
  • * Operating condition:
    • *Operating voltage: 2.7V ~ 5.5V with USB on-line application
    • *Operating speed range: DC to 6MHz @VDD>2.7V
    • *Operating ambient temperature: -40℃ ~ 85℃ for internal oscillator mode
  • * Support OS : Windows XP / Windows 7 / Windows 8 / BIOS
  • * Package types:
    • *LQFP 48: MA108AD

  • * Data Sheet *


  • * Developement Kit *