LG InTouch Lady Service Manual page 48

SYMBOL HVQFN
AGND 1
RFI 2
RFGND 3
NC 4
BUSSEL2 5
BUSSEL1 6
RST 7
SEN 8
SCL 9
SDA 10
FREF 11
VREFDIG 12
VDD 13
DGND 14
AUDOR 15
AUDOL 16
NC 17
VCC 18
GPIO2 19
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Only for training and service purposes
WLCSP DESCRIPTION
F1 Analog ground
E1 RF input
D1 RF ground
- not connected
A1 Bus Selection pin 2
C1 Bus Selection pin 1
A2 Reset, used for operating mode change
B1 Chip Select for SPI bus
A3 Serial Bus Clock
A4 Serial Bus Data
A5 Reference frequency (32.768 kHz)
A6 Reference voltage for digital I/Os
B6 Digital supply voltage
C6 Digital ground
D6 Audio output signal right
E6 Audio output signal left
- Not connected
F6 Analog supply voltage
F5 General Purpose I/O 2; Dataout for 4-wire SPI-bus
[Table 3.7.2] pin description
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3. TECHNICAL BRIEF
LGE Internal Use Only