User's Manual

LE910 Hardware User Guide
1vv0301089 Rev.7 – 25-10-2015
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 60 of 88
12 Peripheral Ports
In addition to Telit LE910 serial ports, the LE910 support 1 x SDIO – Secure Digital I/O
peripheral port to be interfaced with a specific Wi-Fi chipset.
12.1 Wi-Fi (SDIO) control Interface
The LE910 has an integrated SW driver for supporting Qualcomm QCA6053 Wi-Fi chipset via
a dedicated SD bus interface.
The SD bus interface can be used only with the QCA6053 chipset, and can’t be used as external
SD/MMC card connection.
For detailed explanation, refer to Telit 80463NT11345A – LE920/LE910 - Wi-Fi interface
Application Note
Pad
Signal
I/O
Function
Type
N13
WiFi_SDCMD
O
Wi-Fi SD Command
1.8V
L13
WiFi_SDCLK
O
Wi-Fi SD Clock
1.8V
J13
WiFi_SD0
I/O
Wi-Fi SD Serial Data 0
1.8V
M13
WiFi_SD1
I/O
Wi-Fi SD Serial Data 1
1.8V
K13
WiFi_SD2
I/O
Wi-Fi SD Serial Data 2
1.8V
H13
WiFi_SD3
I/O
Wi-Fi SD Serial Data 3
1.8V
WARNING:
Wi-Fi (SDIO) control interface is supported on LE910 variants starting from HW rev 0.1
At the time of this document revision, this HW revision is planned for the variants EUG and
NAG
If this interface is required, please contact your local Telit reprehensive, and/or Telit global
support, and verify for exact ordering information