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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
27p
27p
C533
C531
27p
C530
100K
27p
C532
R504
100K
R502
100K
R503
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
100K
R508
100K
R500
27p
C529
27p
27p
C527 C528
C526
27p
100K
R501
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