Quectel LTE-A Series - SD Card Interface

LTE-A Module Series
EG060V-EA Hardware Design
EG060V-EA_Hardware_Design 52 / 82
“*” means under development.
3.19. SD Card Interface*
EG060V-EA provides one SD card interface which supports SD 3.0 protocol. The following table shows
the pin definition.
Table 23: Pin Definition of SD Card Interface
COEX_TXD
145
DO
LTE&WLAN coexistence transmit
1.8 V power domain
WLAN_SLP_CLK
169
DO
WLAN sleep clock
1.8 V power domain
Pin Name
Pin No.
I/O
Description
Comment
SDIO_DATA3
48
IO
SDIO data bit 3
SDIO_DATA2
47
IO
SDIO data bit 2
SDIO_DATA1
50
IO
SDIO data bit 1
SDIO_DATA0
49
IO
SDIO data bit 0
SDIO_CLK
53
DO
SD card clock
SDIO_CMD
51
IO
SD card command
SDIO_VDD
46
PO
SDIO power supply
1.8/2.85 V configurable output.
Cannot be used for SD card
power supply.
SD_DET
52
DI
SD card hot-plug detect
NOTE