LG DP392G, Service Manual

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3-46 Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Pin No. Designation Description
1 RED Red led port
2 GRN Green led port
3 CMSDA Touch screen interface data line
4 CMCLK Touch screen interface clock line
5 NC For expansion
6 MCS SPI Module CS port
7 PWM PWM out
8 PR CTL1 Export control line 1
9 RST Reset port
10 GND GND
11 AD_BATU Battery Voltage sampling port
12 AD_CHGI Charge current sampling port
13 AD_BATT Bat temperature sampling port
14 AD_K1 Keyswitch identification port 1
15 AD_K2 Keyswitch identification port 2
16 AD_PR Adapter checking port
17 NC For expansion
18 NC For expansion
19 VCC Chip power
20 OSC External clock input
21 PR_CTL2 Export control line 2
22 VREF 2.495V Precision reference voltage
23 PIE Chip sleep awaken port£¨active falling edge
24 MCLK SPI Module Clock port
25 MSDO SPI Module Data out port
26 MSDI SPI Module Data in port
27 NC For expansion
28 IR_DA Infrared input port
5-2. Pin Description