User's Manual

LE940B6 Hardware User Guide
1VV0301331 Rev. 1.8 - 2017-03-15
Reproduction forbidden without written authorization by Telit Communications S.p.A. - All Rights Reserved
Telit Confidential Information, provided under NDA Page
26 of 104
3. LE940B6 Module Connections
3.1. Pin-out
Table 6: LE940B6 Pin-out
PAD Signal I/O Function Type COMMENT
USB HS 2.0 Communication Port
A18 USB_VBUS AI
Power sense for the internal USB
transceiver
D19 USB_D+ I/O USB differential Data (+)
F19 USB_D- I/O USB differential Data (-)
Asynchronous UART
AH19 C103/TXD I Serial data input (TXD) from DTE 1.8V
AF19 C104/RXD O Serial data output (RXD) to DTE 1.8V
AA18 C105/RTS I
Input for Request To Send signal
(RTS) from DTE
1.8V
AK19 C106/CTS O
Output for Clear To Send signal
(CTS) to DTE
1.8V
AG18 C107/DSR O
Output for Data Set Ready signal
(DSR) to DTE
1.8V
AC18 C108/DTR I
Input for Data Terminal Ready
signal (DTR) from DTE
1.8V
AE18 C109/DCD O
Output for
Data Carrier Detect
signal (DCD) to DTE
1.8V
AJ18 C125/RING O
Output for Ring Indicator signal (RI)
to DTE
1.8V
Asynchronous Auxiliary UART
AB19 TXD_AUX O Auxiliary UART (Tx Data to DTE) 1.8V
AD19 RXD_AUX I Auxiliary UART (Rx Data from DTE) 1.8V
Asynchronous UART3
AM9 UART3_TXD I Serial data input (TXD) from DTE 1.8V
AM11 UART3_RXD O Serial data output (RXD) to DTE 1.8V
AM13 UART3_RTS I
Input for Request To Send (RTS)
from DTE
1.8V
AM15 UART3_CTS O
Output for Clear To Send (CTS) to
DTE
1.8V
JTAG – Joint Test Action Group
E4 JTAG_TDI I JTAG_TDI 1.8V
F3 JTAG_RESOUT_N O JTAG_RESOUT* 1.8V
F5 JTAG_TRIGOUT - JTAG_TRIGOUT 1.8V
G2 JTAG_RTCK O JTAG_RTCK 1.8V