Telit Wireless Solutions LE910C1 Series User Manual

LE910C1 Hardware User Guide
1VV0301298 Rev. 1.08 - 2017-11-14
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Table 28 lists the LE910C1 SD card signals.
Table 28: SD Card Signals
PAD Signal I/O Function Type Comments
J12 SD/MMC_CMD O SD command 1.8/2.95V
F12 SD/MMC_CLK O SD card clock 1.8/2.95V
E12 SD/MMC_DATA0 I/O SD Serial Data 0 1.8/2.95V
G12 SD/MMC_DATA1 I/O SD Serial Data 1 1.8/2.95V
K12 SD/MMC_DATA2 I/O SD Serial Data 2 1.8/2.95V
H12 SD/MMC_DATA3 I/O SD Serial Data 3 1.8/2.95V
G13 SD/MMC_CD I SD card detect input 1.8V Active Low
F13 VMMC -
Power supply for MMC
card pull-up resistors
1.8/2.95V
Max Current is
50mA
Figure 16 shows the recommended connection diagram of the SD interface.
Figure 16: SD/MMC Interface Connectivity
SD/MMC_DATA2
SD/MMC_DATA3
SD/MMC_CMD
SD/MMC_CLK
SD/MMC_DATA0
SD/MMC_DATA1
LE910C1
SD/MMC Interface
SD/MMC_CD
DATA2
DATA3
CMD
VDD
VSS
DATA0
DATA1
MicroSD
MMC_CD
GND
GND
10
K
10
K
10
K
10
K
10
K
C=100nF
GND
External PS 3V
VMMC

Telit Wireless Solutions LE910C1 Series Specifications

General

Brand	Telit Wireless Solutions
Model	LE910C1 Series
Category	Control Unit
Language	English