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3. TECHNICAL BRIEF
3.6 Micro SD external memory Interface
In KS360 series a Micro SD slot for external Memory is connected to PMB8888.
Micro SD memory pad assign.
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Figure 8. Micro SD Card Circuit
MICRO SD Connector
2V62_VIO
27p27p
C533C531
27p
C530
100K
27p
C532
R504
100KR502
100KR503
C534
2V9_VMMC
1u
VDD
VSS
S500
CD_DAT3
CLK
CMD
DAT0
DAT1_2
DAT2
DETECT_A
DETECT_B
DUMMY1
DUMMY2
DUMMY3
GND
2V9_VMMC
AXA463062P
100KR508
100KR500
27p
C529
27p27p
C527 C528C526
27p
100KR501
MMC_CMD
MMC_CLK
MMC_D0
MMC_D1
MMC_DET
MMC_D2
MMC_D3
SD mode
Pin No. Name Type Description
DAT1_2 MMC_D1 I/O Data bit [1]
DUMMY1 NC
DAT0 MMC_D0 I/O Data bit [0]
VSS GND GND Ground
CLK MMC_CLK I Clock
VDD 2V9_VMMC Power Power
CMD MMC_CMD I/O Command response
CD_DAT3 MMC_D3 I/O Data bit [1]
DUMMY2 NC
DAT2 MMC_D2 I/O Data bit [2]
DETECT_A MMC_DET
DETECT_B GND GND Ground
DUMMY3 GND GND Ground