Technical data

Extra Features
USB and PS/2 Multimedia Keyboard Interface, Rev. 1
Freescale Semiconductor 25
1.8.2 Firmware
• Modify the key matrix tables in "ps2-key.asm" and "usb-key.asm" according to customized key
matrix layout
• Change vendor ID, product ID and product revision number in the device descriptor table in
"usb-key.h"
• Change vendor name and product name in the string descriptor table in "usb-key.h"
• Change the report descriptor in "usb-key.h" if necessary.
1.9 Extra Features
1.10 Further Information
1.10.1 Related Documents
MC68HC908JB8 Technical Data
Device Class Definition for Human Interface Device (HID), Version 1.1
Keyboard Scan Code Specification from Microsoft
Support for Enhanced Keyboard Features under Windows 2000 and Windows ME
USB HID Usage Table
1.11 Schematics
Figure 1-16 shows the schematics for the reference design.