Telit Wireless Solutions LM940 Design Guide

LM940 Hardware Design Guide
1VV0301352 Rev. 18 Page 21 of 75 2022-01-04
Not Subject to NDA
Pin
Signal
I/O
Function
Type
Comment
23
USB_SS_TX_M
O
USB 3.0 super-speed transmit – minus
Analog
33
USB_SS_RX_P
I
USB 3.0 super-speed receive – plus
Analog
31
USB_SS_RX_M
I
USB 3.0 super-speed receive – minus
Analog
SIM Card Interface 1
8
SIMVCC1
O
Supply output for an external UIM1 card
1.8V /
2.85V
Power
10
SIMIO1
I/O
Data connection with an external UIM1
card
1.8V /
2.85V
12
SIMCLK1
O
Clock output to an external UIM1 card
1.8V /
2.85V
14
SIMRST1
O
Reset output to an external UIM1 card
1.8V /
2.85V
SIM Card Interface 2
16
SIMVCC2
O
Supply output for an external UIM2 card
1.8 / 2.85V
Power
19
SIMIO2
I/O
Data connection with an external UIM2
card
1.8 / 2.85V
17
SIMCLK2
O
Clock output to an external UIM2 card
1.8 / 2.85V
6
SIMRST2
O
Reset output to an external UIM2 card
1.8 / 2.85V
Digital I/O (GPIOs)
3
GPIO_01
I/O
General purpose I/O Can be used as
SIMIN1
1.8V
5
GPIO_02
I/O
General purpose I/O Can be used as
SIMIN2
1.8V
44
GPIO_03
I/O
General purpose I/O
1.8V
46
GPIO_04
I/O
General purpose I/O
1.8V
Internal 1.8V
Pull-up
45
GPIO_05
I/O
General purpose I/O
1.8V
47
GPIO_06
I/O
General purpose I/O
1.8V
49
GPIO_07
I/O
General purpose I/O
1.8V
51
GPIO_08
I/O
General purpose I/O
1.8V
Control Signal
1
PCIE_WAKE_N
O
PCIe wake-up
1.8V
20
W_DISABLE_N
I
RF disable
Open drain
Internal VBATT Pull-
up

Telit Wireless Solutions LM940 Specifications

General

Brand	Telit Wireless Solutions
Model	LM940
Category	Wireless modules
Language	English