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 802.11g Wireless LAN+BT SiP combo Module V2.2
 
 
All rights are reserved by USI. No part of this technical document can be reproduced in any form without permission of USI.
  
Preliminary release for evaluation, Subject to be changed without Notice                                     
 
 
10.2.3. BLUETOOTH INTERFACE 
There are interfaces signal to routed  between WiFi and Bluetooth to provide coexistence with 
802.15 Bluetooth modules.  
 
The BT co-existence interface supported, which is 2 Wire CSR co-existence.  
 
The control signals are provided via the 60 pins B2B connector with the interface defined as 
below: 
Symbol 
 Interface  
“Signal name” &  description 
BTACT 
 
2 Wire-CSR 
 
“BT _Priority”   
This pin indicates to WLAN BCA device that BT module is 
active or will soon be active to TX/RX stage. 
WLAN_active 
 
2 Wire-CSR 
 
“Wlan_Active”, This pin indicates to BT module that WLAN 
is active or will soon be active to TX/RX stage. 
 
Note 1: “WLAN BCA” device is a functional block in 88W8385 works as Bluetooth co-existence management .  
10.3. SOFTWARE 
The following source code will be provided for porting to the embedded system under the SLA 
with chipset supplier 
 
• 
Linux source code 
• 
Source code of development utility base on Windows CE 
 
 
11.  DESIGN FOR EXCELLENCE (DFX) 
11.1. TESTABILITY 
The WM-BG-MR-01 module can be tested on the by using adapter card or similar interface. 
The adapter card must be such that from the FTS the WM-BG-MR-01 module is seen and 
recognized as PC Card or Compaq Flash. 
 
Ÿ 
No additional test pins are required to support in-circuit testing. 
 
11.2. LOGISTICS 
All customer specific requirements  – customization  – will be implemented at the highest 
possible level to support build to order and keep the number of modules in SMT to a minimum. 
Additional module variants might be added base on business potential.