Quectel EC200T Series

LTE Standard Module Series
EC200T Series Hardware Design
EC200T_Series_Hardware_Design 26 / 90
open.
SD Card Interface
Pin Name Pin No. I/O Description DC Characteristics Comment
SD_DET* 23 DI SD card detect
1.8/2.8 V power
domain.
If unused, keep it
open.
SD_SDIO_
DATA3
28 IO
SD card SDIO data bit
3
1.8/2.8 V power
domain.
If unused, keep it
open.
SD_SDIO_
DATA2
29 IO
SD card SDIO data bit
2
1.8/2.8 V power
domain.
If unused, keep it
open.
SD_SDIO_
DATA1
30 IO
SD card SDIO data bit
1
1.8/2.8 V power
domain.
If unused, keep it
open.
SD_SDIO_
DATA0
31 IO
SD card SDIO data bit
0
1.8/2.8 V power
domain.
If unused, keep it
open.
SD_SDIO_
CLK
32 DO SD card SDIO clock
1.8/2.8 V power
domain.
If unused, keep it
open.
SD_SDIO_
CMD
33 IO
SD card SDIO
command
1.8/2.8 V power
domain.
If unused, keep it
open.
SD_SDIO_
VDD
34 PO
SD card SDIO power
supply
1.8/2.8 V power
domain.
If unused, keep it
open.
WLAN Interface*
Pin Name Pin No. I/O Description DC Characteristics Comment
WLAN_SLP_
CLK
118 DO WLAN sleep clock
If unused, keep it
open.