Micro Sd External Memory Interface; Only For Training And Service Purposes - LG KS360 Service Manual

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.
SD mode
Pin No. Name
DAT1_2 MMC_D1
DUMMY1 NC
DAT0 MMC_D0
VSS GND
CLK MMC_CLK
VDD 2V9_VMMC
CMD MMC_CMD
CD_DAT3 MMC_D3
DUMMY2 NC
DAT2 MMC_D2
DETECT_A MMC_DET
DETECT_B GND
DUMMY3 GND
LGE Internal Use Only
MICRO SD Connector
2V62_VIO 2V9_VMMC
MMC_D1
MMC_D0
MMC_CLK
MMC_CMD
MMC_D3
MMC_D2
MMC_DET
C530
C526 C527 C528 C529
27p 27p 27p 27p 27p
Figure 8. Micro SD Card Circuit
- 34 -
2V9_VMMC
S500 AXA463062P
DAT1_2
DUMMY1
DAT0
VSS
CLK
VDD
CMD
CD_DAT3
DUMMY2
DAT2
DETECT_A
DETECT_B
DUMMY3
C534
GND
C531 C533
C532
27p 27p 27p
1u
Type Description
I/O Data bit [1]
I/O Data bit [0]
GND Ground
I Clock
Power Power
I/O Command response
I/O Data bit [1]
I/O Data bit [2]
GND Ground
GND Ground
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Only for training and service purposes