LG KB770 Service Manual page 151

6. BLOCK DIAGRAM
Block Diagram_USB/UART/SIM/JTAG interfaces
MSM6280
UART3
(Touch)
USB
UART2
(RUIM)
UART1
JTAG
LGE Internal Use Only
TOUCH_PENIRQ
TSC2007
TOUCH_SDA
(Touch
TOUCH_SCL
driver)
PM6650
USB_DAT
USB_SE0
USB
TRANSCEIVER
USB_OE_N
I/O
RST USIM
TRANSCEIVER
CLK
RX
TX
JTAG Interface
- 152 -
VBUS
D+
USB , UART
D-
JTAG
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