Telit Wireless Solutions LE910C1-NS - Page 27

LE910Cx Hardware Design Guide
1VV0301298 Rev.40 Page 27 of 149 2023-03-16
Not Subject to NDA
PAD Signal I/O Function Type Comment
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
WiFi (SDIO) Interface
N13 WiFi_SD_CMD O Wi-Fi SD Command 1.8V
L13 WiFi_SD_CLK O Wi-Fi SD Clock 1.8V
J13 WiFi_SD_DATA0 I/O Wi-Fi SD Serial Data 0 1.8V
M13 WiFi_SD_DATA1 I/O Wi-Fi SD Serial Data 1 1.8V
K13 WiFi_SD_DATA2 I/O Wi-Fi SD Serial Data 2 1.8V
H13 WiFi_SD_DATA3 I/O Wi-Fi SD Serial Data 3 1.8V
L12 WiFi_SDRST O Wi-Fi Reset / Power enable control 1.8V
M11 WLAN_SLEEP_CLK O Wi-Fi Sleep clock output 1.8V
L4 WOW I Wake On WLAN 1.8V Active Low
LTE-WiFi Coexistence
M8 WCI_TX O Wireless coexistence interface TXD 1.8V
M9 WCI_RX I Wireless coexistence interface RXD 1.8V
SIM Card Interface 1
A6 SIMCLK1 O External SIM 1 signal – Clock 1.8/2.85V
A7 SIMRST1 O External SIM 1 signal – Reset 1.8/2.85V
A5 SIMIO1 I/O External SIM 1 signal - Data I/O 1.8/2.85V
Internally PU
10 kΩ to
SIMVCC1
A4 SIMIN1 I External SIM 1 signal - Presence 1.8V Active low
A3 SIMVCC1 -
External SIM 1 signal – Power
supply for SIM 1
1.8/2.85V
SIM Card Interface 2
C1 SIMCLK2 O External SIM 2 signal – Clock 1.8/2.85V
D1 SIMRST2 O External SIM 2 signal – Reset 1.8/2.85V
C2 SIMIO2 I/O External SIM 2 signal – Data I/O 1.8/2.85V
Internally PU
10kΩ to
SIMVCC2
G4 SIMIN2 I External SIM 2 signal – Presence 1.8V Active low