eKK8011AB
USB and PS/2 Keyboard Encoder
6.2 USB Keyboard Function Description
We describe the USB keyboard function descriptions and data transfer in the following
section.
6.2.1 USB Keyboard Description
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Device Descriptor:
Descriptor size: 0X12
Descriptor type: 0X01
USB Specification release number: 0X0110
Device class: 0X00
Device subclass: 0X00
Device Protocol: 0X00
Max package for Endpoint 0 0X08
Vendor ID: 0X04F3
Product ID: 0X0103
Device Release number: 0X0104
Index of string descriptor describing manufacturer: 0X00
Index of string descriptor describing product: 0X00
Index of string descriptor describing the device’s serial number: 0X00
Number of possible configurations: 0X01
Configuration Descriptor:
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Descriptor size: 0X09
Descriptor type: 0X02
Total length of data return for this configuration: 0X003B
Number of interfaces: 0X02
Value used to address this configuration: 0X01
Index of string descriptor describing this configuration: 0X00
Configuration characteristic: 0XA0
Maximum power consumption: 0X32
Interface Descriptor (Interface 0)
Descriptor size: 0X09
•
Descriptor type: 0X04
Number of this interface: 0X00
Alternate setting: 0X00
Number of endpoints used by this interface: 0X01
Class code: 0X03
Subclass code: 0X01
Protocol code : 0X01
Index of string descriptor describing this interface: 0X00
Product Specification (V1.4) 07.10.2006
(This specification is subject to change without further notice)
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ELAN [ ELAN MICROELECTRONICS CORP ]
