Telit Wireless Solutions LE910C series - Module Features and Specifications; WE866 Cx Feature Summary; 802.11 PHY Specification Details

80490NT11511A Rev. 3 Page 13 of 17 2018-07-24
2.4.2. Detailed EVB Connection Signal description
TELIT
SIGNAL NAME
WIFI
WE866C3
SIGNAL NAME
I/O
FUNCTION
TYPE
COMMENT
SDIO BUS
WIFI_SDCLK
SDIO_CLK
O
SDIO CLOCK
CMOS 1.8V
WIFI_SDCMD
SDIO_CMD
I/O
SDIO CMD
CMOS 1.8V
WIFI_SD0
SDIO_DATA0
I/O
SDIO DATA 0
CMOS 1.8V
WIFI_SD1
SDIO_DATA1
I/O
SDIO DATA 1
CMOS 1.8V
WIFI_SD2
SDIO_DATA2
I/O
SDIO DATA 2
CMOS 1.8V
WIFI_SD3_TGPIO18
SDIO_DATA3
I/O
SDIO DATA 3
CMOS 1.8V
CONTROLS
WIFI_SDRST
WL_EN
O
WLAN Power
Down
CMOS 1.8V
WLAN ENABLE.
ACTIVE HIGH.
WLAN_SLEEP_CLK
LF_CLK_IN
O
SLEEP CLOCK
FOR WIFI
(32.768KHZ)
CMOS 1.8V
EXTERNAL LOW-
POWER 32.768
KHZ CLOCK
INPUT
MODEM COEXISTANCE
WCI_RX
LTE_PRI/LTE_TXD
I
SERIAL DATA
INPUT
CMOS 1.8V
LTE CO-
EXISTENCE
SIGNAL.
LTE_UART_TXD
OR LTE_PRI.
WCI_TX
LTE_SYNC/LTE_R
XD
O
SERIAL DATA
OUTPUT
CMOS 1.8V
LTE
COEXISTENCE
SIGNAL.
LTE_UART_RXD
OR LTE_FS.