Smart LTE Module Series
Smart EVB User Guide
Smart_ EVB_User_Guide
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J302
J301
Figure 12: Camera Interfaces with Cameras Assembled
3.5. SD Card Interface (J502)
Smart EVB provides an SD card interface (J502)
for customers to test the module’s SD card interface.
The following figure shows the simplified interface schematic for SD card interface on Smart EVB.
SD_CMD
120K
NM_51K
SD_DATA3
SD_DATA2
SD_CLK
SD_DATA0
SD_DET
SD_DATA1
P1-DAT2
P2-CD/DAT3
P3-CMD
P4-VDD
P5-CLK
P8-DAT1
GND
P6-VSS
P7-DAT0
DETECTIVE
GND
GND
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
SD_LDO11
33R
33R
33R
33R
33R
33R
1K
33pF
SD_LDO12
Module
R1
R2
R3
R4
R5
R6
NM_51K NM_10K NM_51K NM_51K
R7
R8
R9
R10
R11
R12
R13
D1
D2
D3
D4
D5
D6
D7
D8
C1
C2
SD Card Connector
2.2 uF
27pF
27pF
27pF
27pF
27pF
27pF
LDO5_1V8
Figure 13: Simplified Interface Schematic for SD Card Interface
