User's Manual

User manual of 3G SEP EVDO module
Page 18
2.2.9 Secure digital controller(sdc) ports
The MDM IC provides up to two SD interfaces, which provide the
following features or functions:
Up to 25 MB/s data rate
1.8 V / 2.95 V dual-voltage operation on SDC1;
Interface with SD/MMC memory cards up to 2 TB
10k pullup resistor on command pin; placeholder pullups are
recommended on the data lines also.
SDC1 for HPGP/PLC
Signal Pin N° Description
SDC1_CMD 48 Secure digital controller 1 command
SDC1_CLK 46 Secure digital controller 1 clock
SDC1_DATA0 47 Secure digital controller 1 data bit 0
SDC1_DATA1 112 Secure digital controller 1 data bit 1
SDC1_DATA2 111 Secure digital controller 1 data bit 2
SDC1_DATA3 110 Secure digital controller 1 data bit 3
2.3 HIGH-SPEED INTER-CHIP (HSIC) INTERFACE
Eliminates the analog transceiver from a USB interface for lower voltage
operation and reduced power dissipation.
HSIC_DATA 69 HSIC data
HSIC_STB 72 HSIC strobe
2.4 GENERAL PURPOSE I/O
There are GPIO that can be customized easily from the customer’s application