LG GW520 - MICRO SD Connector

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Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
3. BB Circuit Technical brief
GW520 service manual
3.6 MICRO SD connector
The Micro SD Memory Module has eight exposed contacts on one side.
The S-Gold3H support two blocks of MMC interface. GW520 designed as first MMC.
[Figure 3.6-1] Micro SD Connector
S/W (Level)
Close(LOW)OUT
MMC_CARD
IN Open(HIGH)
VA206 EVLC5S0250
EVLC5S0250VA205
0.1u
C233
2V8_VMME
R227 100K
R225 510K
100KR229
10KR231
VA200 EVLC5S0250
EVLC5S0250VA204
VA202 EVLC5S0250
VA201 EVLC5S0250
R226 100K
100KR230
VA203 EVLC5S0250
2V62_VIO
DAT2
DETECT_A
DETECT_B
DUMMY1
DUMMY2
DUMMY3
GND
VDD
VSS
ENSY0023501
104042-001
S200
CD_DAT3
CLK
CMD
DAT0
DAT1_2
R224 100K
100KR228
MMC_D0
MMC_DETECT
MMC_CMD
MMC_CLK
MMC_D2
MMC_D3
MMC_D1