DRM050 — Rev 0
Designer Reference Manual
MOTOROLA
System Overview
7
Designer Reference Manual —
DRM050
Section 1. System Overview
1.1 Introduction
This manual describes a reference design of a 2.4-GHz Universal Serial
Bus Wireless Optical Mouse and Multimedia Keyboard solution by using
the MC68HC908JB8, MC68HC908LK24, and MC68HC908JB16.
The whole system consists of a wireless mouse, a wireless keyboard
and a USB receiver. The wireless communication link is developed in the
worldwide unlicensed Industrial, Scientific, and Medical (ISM) band of
2400–2483 MHz. All hardware schematic diagrams and firmware source
codes are available as reference materials.
1.2 Features
•
High speed RF link in 2.4-GHz ISM band
•
Windows 98
, Windows 2000
, and Windows XP
Compatible
1
•
USB 2.0 Low Speed Compliance
•
1 Mbps transmission data rate
•
10 to 20 meter communication distance
•
RF front end and Media Access Control (MAC) designs are based
on RFWaves chipset and protocol
1. Windows 98, Windows 2000 and Windows XP are trademarks of Microsoft Corporation in the
U.S. and other countries.
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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