Quectel LTE OPEN EVB - Figure 25: Simplified Interface Schematic for Sd Card Interface J0701, J0702

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LTE Module Series

LTE OPEN EVB User Guide

LTE_OPEN_EVB_User_Guide 34 / 62

The following figure shows the simplified interface schematic for J0701, J0702 and U0702.

SD card

connector

SDIO

J0101 J0701

SDC2

SD card

connector

SDIO

J0702

Analog switch

SEL

U0701

SDIO

eMMC

U0702

S0701

RESET

DET

J0201

GPIO

Figure 25: Simplified Interface Schematic for SD Card Interface J0701, J0702

234

Figure 26: Pin Assignment of J0701

1 2 34 5 6 789

DET

Figure 27: Pin Assignment of J0702

Main Page

About the Document3
Table of Contents4
Contents4
Introduction9
Safety Information9
General Overview11
Applicable Modules11
Key Features12
Interface Overview14
Top View of LTE OPEN EVB17
EVB Kit Accessories Assembly18
EVB Kit18
EVB Kit Accessories19
Interface Applications21
Power Interfaces (J0301/J0601)21
Figure 5: Power Supply Schematic for Lte Open Evb22
LTE-Quecopen TE-A Interface23
Wi-Fi & Ethernet TE-A Interface23
Figure 9: Simplified Fc20-Te-A/Af20-Te-A Interface Schematic24
Table 4: S0201 Function25
USB Interface (J0601)26
Audio Interfaces27
Digital Audio Codec Board Interface (J0804)27
Table 7: Codec Function Gpio Configuration28
Analog Audio Interfaces (J0805/J0801/J0802)29
Loudspeaker Interface (J0805)29
Earphone Interface (J0802)29
Table 8: Pin Definition of J080230
Handset Interface (J0801)31
U(SIM) Interface (J0901)32
Table 10: Pin Definition of J090133
SD Card Interfaces & Emmc (J0701/J0702 & U0702)34
Figure 25: Simplified Interface Schematic for Sd Card Interface J0701, J070235
Table 12: Pin Definition of J070136
Table 13: Pin Definition of J070237
Table 15: Sd Card Function Gpio Configuration38
UART Interfaces (J0501/J0502/J0503)39
Table 17: Pin Definition of J050140
Table 18: Pin Definition of J050241
Table 20: Com (Main) & Com (Uart1) Function Gpio Configuration42
SPI Flash (U0601)43
Eeprom (U0903)44
Switches and Buttons45
Status Indicators46
GPIO Interfaces47
Table 26: Pin Definition of J020148
Table 27: Gpio List for Ag35-Quecopen Module49
Test Points51
Table 28: Pin Definition of Test Points52
Operation Procedures Illustration57
Power on Modules57
Power on LTE-Quecopen Modules57
Power on Wi-Fi Modules57
Communication Via USB or UART Interface58
Lte_Open_Evb_User_Guide58
Communication Via USB Interface58
Communication Via UART Interface59
Firmware Upgrade60
Reset Modules60
Power off Modules61
Power off LTE-Quecopen Modules61
Power off Wi-Fi Modules61
Lte_Open_Evb_User_Guide61
Appendix A References62

Quectel LTE OPEN EVB - Figure 25: Simplified Interface Schematic for Sd Card Interface J0701, J0702

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