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 Connector
2V62_VIO2V9_VMMC
R500 100K
MMC_D1
MMC_D0
MMC_CLK
MMC_CMD
MMC_D3
MMC_D2
MMC_DET
R508 100K
R501 100K
R502 100K
R503 100K
R504 100K
2V9_VMMC
S500 AXA463062P
DAT1_2
DUMMY1
DAT0
VSS
CLK
VDD
CMD
CD_DAT3
DUMMY2
DAT2
DETECT_A
DETECT_B
DUMMY3
C526 C527 C528 C529 C530 C531 C532
27p 27p 27p 27p 27p 27p 27p
C533 C534
27p
1u
GND
Figure 8. Micro SD Card Circuit
Micro SD memory pad assign.
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 |
|
|
|
|
LGE Internal Use Only | - 34 - | Copyright © 2008 LG Electronics. Inc. All right reserved. |
|
| Only for training and service purposes |
