Data Sheet

Module pinning description
Module pins functions can be configured by specific software. Description of possible con-
figurations is provided at the end of this specification for reference.
Whatever the pins configuration made by embedded software, some of them have unique
functionality.
Table 2!: Modem pins with unique functionnality
Functions class
PAD name
Function
Comment
JTAG
8
NJTRST /
(GPIO)
JTAG Reset
9
JTDO /
(GPIO)
JTAG Data Output
10
JTDI /
(GPIO)
JTAG Data Input
11
JTCK-SWCLK
/ (GPIO)
JTAG Clock
12
JTMS-SWDAT
/ (GPIO)
JTAG Mode Select
PWR-UP
2
/NRST
Module is automatically reset at
power-up / keep unconnected if
reset is not needed when module
is powered On
5
NC
Keep unconnected
Ground
1
GND
Ground
15
GND
Ground
16
GND
Ground
18
GND
Ground
28
GND
Ground
Power supply
27
VCC
Power supply of the board (3v)
Antenna
17
ANT
RF antenna port matched to 50Ω
No DC capacitor required
11