Quectel Smart EVB G5 User Manual

Smart Module Series
Smart_EVB_G5_User_Guide 51 / 66
The level match circuit and pin assignment of J1302 are the same as those of J1301.
SD Card Interface
Smart EVB G5 provides an SD card interface for customers to test the module’s SD card interface.
Table 22: Description of SD Card Interface
The following figure shows the simplified interface schematic for SD card interface on Smart EVB G5.
SD_CMD
120K
NM_51K
SD_DATA3
SD_DATA2
LDO5_1P8
SD_CLK
SD_DATA0
SD_DET
SD_DATA1
SD_DATA2
SD_DATA3
SD_CMD
VDD
SD_CLK
SD_DATA1
GND
VSS
SD_DATA0
SD_DET
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
4.7uF
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
Figure 35: Simplified Interface Schematic for SD Card Interface
RefDes.
Description
J1101
SD card connector
NOTE

Quectel Smart EVB G5 Specifications

General

Brand	Quectel
Model	Smart EVB G5
Category	Control Unit
Language	English