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3. TECHNICAL BRIEF
3.15 18pin Multi Media Interface connector
Table 8. Multi media interface pin assign
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
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