EKK8011AB Datasheet PDF - ELAN Microelectronics
Part Number | EKK8011AB | |
Description | USB & PS/2 Keyboard Encoder | |
Manufacturers | ELAN Microelectronics | |
Logo | ||
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eKK8011AB
Product
Specification
DOC. VERSION 1.4
ELAN MICROELECTRONICS CORP.
July 2006
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www.DataSheet4U.com
eKK8011AB
USB and PS/2 Keyboard Encoder
1 General Description
The eKK8011A/eKK8011B series are high performance CMOS microcontroller devices
specially designed for keyboard encoder applications. These devices function both in
USB and PS/2 interface environment. For PS/2 interface, it supports IBM PC AT and
all compatible machines and provides a 16-character first-in-first-out buffer in which
data is stored. For USB interface, it supports the USB standard request version 1.1 as
well as HID class request version 1.1.
The eKK8011A/B controls all scan codes, three LED status, scan timing and
communications between the keyboard and PC. Enhanced features combine to
ensure easy implementation of a high performance, low cost keyboard with minimal
external components.
The eKK8011A MCU is compatible with EM78M611 and the eKK8011B MCU is
compatible with EM78611.
2 Features
USB Specification Compliance
• Universal Serial Bus Specification Version 1.1
• USB Device Class Definition for Human Interface Device (HID), Firmware
Specification Version 1.1
Low cost : no external components required
Operating frequency: 6MHz
Phantom key detection
Support scan code Set 1, 2 and 3 for PS/2
Support HID Usage ID for USB
Support PC PS/2 and USB keyboard
Support USB Sleep Mode
Low power CMOS device technology
Internal pull-up resistor
Tri-state outputs for easy board application
Support Windows1 TM 95, 98, 2000, ME keys
Support multi-media or other special application keyboard encoder
3 Applications
USB Keyboard only
Both USB and PS/2 compatible Keyboards
1 Windows is a registered trademark of Microsoft Corporation.
Product Specification (V1.4) 07.10.2006
(This specification is subject to change without further notice)
•1
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Information | Total 30 Pages | |
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