LG U300 Service Manual page 35

3. TECHNICAL BRIEF
3.7.1 Block Diagram (MSM6250A)
19.2M
Tx/Rx I/Q
HK ADC
PLL
GSM/
UMTS
GPRS
Processor
Tx/Rx I/F
SBI for
PM6650
VOCODER
SBI for
RF IC
J-TAG I/F
Figure. Simplified Block Diagram of MSM6250A
- 36 -
USB I/F
UART
General
Purpose
I/O
ARM
CODEC
USIM
Controller
NAND
&
SDRAM
Speaker
Receiver
MIC