LG KP500 - 18 Pin Multi Media Interface Connector

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3. TECHNICAL BRIEF
3.15 18pin Multi Media Interface connector
Table 8. Multi media interface pin assign
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Only for training and service purposes
KM380 series MMI
Pin Function Description
1 FM_ANT FM radio antenna / Audio ground
2 HS_MIC Headset microphone signal
3 JACK_TYPE Accessory type detect
4 HSO_L Headset left sound
5 HSO_R Headset Right sound
6 UART_TX/USB_DP/ UART / USB/ Remote control interrupt
REMOTE_INT
7 UART_RX/USB_DM/ UART / USB/ Remote control Key ADC
REMOTE_ADC
8 JACK_DETECT Headset detect (active low)
9 VSUPPLY Battery voltage
10 VSUPPLY Battery voltage
11 RPWRON Remote power on (active high. 2.8V)
12 VCHG Charger voltage
13 VCHG Charger voltage
14 DSR N.C.
15 VBUS_USB USB VBUS
16 TX UART TX data
17 RX UART RX data
18 GND Power GND