Huawei U8185 Maintenance Manual page 76

U8185
Maintenance Manual
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The WCN2243's Bluetooth section has the following modules integrated:
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Table 9-8 Circuit diagram signal summary
Signal
BT_RFIO
Issue 1.0 (2012-03-23)
Integrated VCO frequency synthesizer
Automatic temperature calibration; no additional calibration required
Bluetooth RF transceiver
Bluetooth controller
ARM7 and memory
Audio I/O processing module
HCI processing module
Sleep control and coexisting
I2S interface
PCM interface
Description
RF transmission and reception
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9 Principles and Failure Analysis
Reference Measurement or Wave
Form
71