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Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
3. Technical Brief
Pin Descriptions
[Figure3.xx.x.x]
[Table 3.15-1] PIN assign
Pin Number(s) Name Description
1, 20 NC No connect. Leave floating.
2 FMI FM RF input.
3 RFGND RF ground. Connect to ground plane on PCB.
4 TXO FM transmit output connection to transmit antenna.
5 RST Device reset (active low) input.
6 SEN Serial enable input (active low).
7 SCLK Serial clock input.
8 SDIO Serial data input/output.
9 RCLK External reference oscillator input.
10 VIO I/O supply voltage.
11 VDD Supply voltage. May be connected directly to battery
13 ROUT/DIN Right audio line output-digital input data.
14 LOUT/DFS Left audio line output-digital frame synchronization.
15 RIN/DOUT Right audio line input-digital output data.
16 LIN/DFS Left audio line input-digital frame synchronization.
17 GPO3/DCLK General purpose output-digital bit synchronous clock
18 GPO2/INT General purpose output-interrupt request.
19 GPO1 General purpose output.
12, GND PAD GND Ground. Connect to ground plane on PCB.
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