3. TECHNICAL BRIEF
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3.8.10. UART
There are three UARTs in the MSM6250A ASIC:
■
UART1 for data
■
UART2 (can be used for USIM interface)
■
UART3 (can be used for PM SBI interface)
3.8.11. USB
The MSM6250A device integrates a universal serial bus (USB) controller that supports both
unidirectional and bidirectional transceiver interfaces. The USB controller acts as a USB function
communicating with the USB host. The USB controller also supports digital audio through USB
interface and connects directly to the QDSP4000 for the audio processing.
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Summary of Contents for L602i
Page 3: ... 4 Z 3 X B O X C O M ...
Page 46: ...3 TECHNICAL BRIEF 47 Figure PM6650 2 Functional Block Diagram Z 3 X B O X C O M ...
Page 71: ...4 TROUBLE SHOOTING 72 4 2 SIGNAL PATH WCDMA Tx PATH WCDMA Rx PATH Z 3 X B O X C O M ...
Page 83: ...4 TROUBLE SHOOTING 84 4 5 5 Check RF Rx Level TP1 TP3 TP4 Bias1 TP2 Z 3 X B O X C O M ...
Page 101: ...4 TROUBLE SHOOTING 102 LCD Control data flow Z 3 X B O X C O M ...
Page 113: ...4 TROUBLE SHOOTING 114 Z 3 X B O X C O M ...
Page 130: ...5 DOWNLOAD 131 Click on X button to use another function Z 3 X B O X C O M ...
Page 134: ...6 BLOCK DIAGRAM 135 Table 2 1 1 RF Block Component Z 3 X B O X C O M ...
Page 137: ...6 BLOCK DIAGRAM 138 Top Side Z 3 X B O X C O M ...
Page 138: ...6 BLOCK DIAGRAM 139 Bottom Side Z 3 X B O X C O M ...
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Page 149: ... 150 8 PCB LAYOUT Z 3 X B O X C O M ...
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