Telit Wireless Solutions LE910C series - Product Overview and Architecture; WE866 Cx Module Overview; Module Connectivity Architecture

80490NT11511A Rev. 3 Page 12 of 17 2018-07-24
2.4.1. Detailed EVB Connection Diagram
The figure below shows the detailed signals connection between Telit LE910Cx and the
WE866C3 module.
V. Reg
1.8V
V. Reg
3.3V
VBATT
VDDIO VDD_3.3VVBATT/VBATT_PA
Telit Module WE866C3
WIFI_SDCLK
WIFI_SDCMD
WIFI_SD0
WIFI_SD1
WIFI_SD2
WIFI_SD3
WIFI_SDRST
WCI_RX
WCI_TX
WLAN_SLEEP_CLK
SDIO_CLK
SDIO_CMD
SDIO_DATA0
SDIO_DATA1
SDIO_DATA2
SDIO_DATA3
WL_EN
LTE_PRI/LTE_TXD
LTE_SYNC/LTE_RXD
LF_CLK_IN
WOW
TGPIOx
Figure 3 Detailed WiFi Connectivity Diagram
• SDIO bus of 4 bit is supported by the Modem.
• The system is using the 2-wire WCI interface for LTE coexistence.