LG KE820 - 18 Pin Multi Media Interface Connector

3. TECHNICAL BRIEF
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3.19. 18pin Multi Media Interface connector
Table 11 Multi media interface pin assign
1000p
C156
2V72_IO
100K
R132
R130 100K
100K
R133
22p
C142
R183 47
R134
100K
R136
100K
C143
1uF
2V85_CARD
R137
100K100K
R135
VSS
CD_DAT3_CS
CLK_SCLK
CMD_DI
COMMON
DAT0_DO
DAT1_RSV
DAT2_RSV
DETECT
DUMMY1
DUMMY2
VDD
S100
SCHA1B0102
5
S11
4S2
Q1 NTJD4105CT1G
6D1
D23
2G1 G2
TF_CLK
TF_DAT0
TF_DAT1
TF_PWR_EN
TF_DETECT
TF_DAT2
TF_DAT3
TF_CMD
Figure 34 Micro SD socket circuit with power control
KE820/KG99 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 HS_OUT_L / CTS Headset left sound / CTS
5 HS_OUT_R / RTS Headset Right sound / RTS
6
TXD / USB_DP /
USART / USB/ Remote control interrupt
REMOTE_INT
7
RXD / USB_DM /
USART / USB/ Remote control Key ADC
REMOTE_ADC
8 JACK_DETECT Headset detect (active low)
9 VBAT Battery voltage
10 VBAT 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_DEBUG Trace TX data(Debug)
17 RX_DEBUG Trace RX data(Debug)
18 GND Power GND