參數(shù)資料
型號： DRM055
英文描述： High Data Rate Wireless USB Optical Mouse Solution Using the MC68HC908QY4 and MC68HC908JB12
中文描述： 高數(shù)據(jù)速率的無線USB光學(xué)鼠標(biāo)解決方案使用MC68HC908QY4和MC68HC908JB12
文件頁數(shù)： 46/48頁
文件大?。?/td> 1131K
代理商： DRM055
Testing and Customization
Designer Reference Manual
DRM050 — Rev 0
46
Testing and Customization
For More Information On This Product,
Go to: www.freescale.com
MOTOROLA
9.2.1.2 Keyboard Transmitter
Left the unused pin open.
9.2.1.3 USB Receiver
The diodes connected in series at JB16 VDD can be removed if resistor
networks are added in the data/address bus between JB16 and
baseband IC as a 5-V to 3.3-V voltage divider.
9.2.1.4 RF Circuitry
The RF transceiver module, the baseband IC, and the CSMA protocol
are developed by RFWaves. Please refer to RFWaves website for
details and recommendations on RF circuitry customization.
http://www.rfwaves.com
9.2.2 Firmware
9.2.2.1 Mouse Transmitter
Set the timing parameters for power management.
9.2.2.2 Keyboard Transmitter
Modify the key matrix tables in “KEY-MAP.ASM” according to
customized key matrix.
9.2.2.3 Receiver
Modify the “KEYMAPTx.H” and USB “KEY-USB.ASM” files
according to customized key matrix.
Change vendor ID, product ID, and product revision number in the
device descriptor table in “KBD-MSE.H”.
Change the report descriptor in “KBS-MSE.H” if necessary.
F
Freescale Semiconductor, Inc.
n
.
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