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USB Keyboard Controller

AU9410 - USB Keyboard Controller

AU9410 is a single chip integrated USB keyboard, ACPI and multimedia function controller chip.  It supports the 19 x 8 keyboard matrix.  Each key can be individually programmed for any USB usage page and usage code, including standard key code, ACPI and multimedia usage…etc.

Separated ACPI key is another special feature offered by AU9410.  There is one pin dedicated for all-in-one ACPI function, and one additional scan line to support 8 “Desktop” page keys.

The USB descriptors and keyboard matrix can be customized via an optional external 24C08 EEPROM, or directly select the internal 4 different models from internal ROM.  This feature makes customization of new projects cost-effective and efficient by only adding an external EEPROM while still using the same mass production chip.

To minimize BOM cost, the AU9410 integrated all other components typically founded in an USB keyboard, it also eliminate external crystal. This single chip integration makes the AU9410 the most cost effective USB keyboard solution available in the market.

Main Features:

  • Fully compliant with the Universal Serial Bus Specification - Version 1.1
  • USB keyboard design is compliant with USB Device Class Definition for Human Interface Devices (HID) - Version 1.1
  • Built-in 3.3V voltage regulator allows single +5V operating voltage drawing directly from USB bus.
  • Support for 19 x 8 standard key matrix.  An Fn pin to selection of alternative matrix. 
  • Support separate ACPI keys.  One pin dedicated for all-in-one ACPI function and also editable in the 19 x 8 key matrix .
  • Each key can be individually programmed for standard key code, ACPI or multimedia usage.
  • Ability to configure the generic LEDs to blink on and off at a rate of 512ms.
  • Additional LED1 (vendor defined).
  • An additional LED2 for suspend special usage which will be turned on in suspend or can be defined by vendors.
  • Support ACPI compliant suspend / shutdown key.
  • Fn key toggles or selectable based on a configuration bit.
  • Extended debounce timing is added on the Caps Lock and CD eject key.
  • USB vendor ID, product ID, and keyboard scan code table can be customized via optional external EEPROM.
  • Contains 4K byte ROM to support 4 different keyboard models.
  • Available in 48-LQFP, 64-LQFP and probed good die.  COB module solution is also available.

 

Application Diagram:

For More Information , Please Contact Us
Evaluation Kit Information

AU9410 evaluation kit is designed for customers to test and check the features on demonstration PCB, and also available for future development and design reference purpose.

Content
  • Sample Chips x 10
  • Print Datasheet x 1
  • Main Sample Print Circuit Board x 1
  • Software CD for Development Usage x 1
Purchase
  • Price:
    USD250 / each (per engineering evaluaction kit).
  • Payment Terms:
    Bank Wire Transfer (T/T) in Advance or Credit Card (Contact Alcor sales for this).
  • Shipping is FOB Taiwan, preferred shipping method is to bill customer FedEx or UPS account. 
  • Bank Information:
    Alcor Micro, Corp.
    Bank Name: ChinaTrust Commercial Bank, Tun Nan Branch
    Bank Add: No.68, Sec. 2, TunHua S. RD. Taipei, Taiwan, R.O.C.
    Bank Tel: +886-2-23253616
    Swift Code: CTCBTWTP
    Account: 163-131-009545
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