CLM920 TD3 LTE Module Hardware Usage Guide
Shanghai Yuge Information Technology co., LTD
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VOH 0.75*
VDD_Px
2.95
VDD_Px 2.95V voltage
domain
VOL 0
0.125*
VDD_Px
2.95V voltage
domain
33
SDC2_
CMD
IO
SDIO bus
command
VOH 1.35
1.8
2
1.8V voltage
domain
VOL 0
0.45
1.8V voltage
domain
VIH
1.27
1.8
2
1.8V voltage
domain
VIL
-0.3
0.6
1.8V voltage
domain
VOH 0.75*
VDD_Px
2.95
VDD_Px 2.95V voltage
domain
VOL 0
0.125*
VDD_Px
2.95V voltage
domain
VIH
0.625*
VDD_Px
2.95
VDD_Px
+ 0.3
2.95V voltage
domain
VIL
-0.3
0.25*
VDD_Px
2.95V voltage
domain
34
VDD_
SDIO
PO
SDIO bus
pull-up
power
supply
IO maximum output 50MA, output
1.8V/2.85V configurable
Cannot be
used for SD
card power
supply
The SD card reference design of the CLM920 TD3 module is shown in the figure below
: