LG U310 Service Manual page 36

3.7.1. Block Diagram(MSM6250A)
19.2M
UMTS
Tx/Rx I/Q
HK ADC
PLL
GSM/
GPRS
Processor
Tx/Rx I/F
SBI for
PM6650
VOCODER
SBI for
RF IC
J-TAG I/F
Figure. Simplified Block Diagram of MSM6250A
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3. TECHNICAL BRIEF
USB I/F
UART
General
Purpose
I/O
ARM
CODEC
USIM
Controller
NAND
&
SDRAM
Stereo
Speaker
Receiver
MIC