3. TECHNICAL BRIEF

3.19 18pin Multi Media Interface connector

Table 11. Multi media interface pin assign

 

 

KM380 series MMI

 

 

 

 

Pin Function

Description

 

 

 

1

FM_ANT

FM radio antenna / Audio ground

 

 

 

2

HS_MIC

Headset microphone signal

 

 

 

3

JACK_TYPE

Not used

 

 

 

4

HS_OUT_L

Headset left sound

 

 

 

5

HS_OUT_R

Headset Right sound

 

 

 

6

USB_DP

USB_DP

 

 

 

7

UDB_DM

USB_DM

 

 

 

8

JACK_DET

Headset detect (active low)

 

 

 

9

VBAT

Battery voltage

 

 

 

10

VBAT

Battery voltage

 

 

 

11

RPWRON_EN

Remote power on (active high. 2.8V)

 

 

 

12

VCHG

Charger voltage

 

 

 

13

VCHG

Charger voltage

 

 

 

14

DSR

Not used

 

 

 

15

VBUS_USB

USB VBUS

 

 

 

16

UART_Tx

UART Tx

 

 

 

17

UART_Rx

UART Rx

 

 

 

18

GND

Power GND

 

 

 

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Only for training and service purposes

 

 

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LG Electronics KS360 service manual 19 18pin Multi Media Interface connector, KM380 series MMI, Pin Function Description