User's Manual

BlueMod+S42 Hardware User Guide
1VV0301303 Rev.3 – 2016-08-22
Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights Reserved.
Page 33 of 62
4.2 Pin Description
4.2.1 General Pin Description
Type: PU – pull-up; PD – pull-down; PWR – Power; I – Input; O – Output; I/O – bidir.; OD – open drain; PP – push/pull;
RF: RadioFreq; I-DIS – Input Buffer Disconnected
Pin Name Signal Type Act Function Alternate Function Notes
E-6
VSUP1
PWR
+3,0V nom.
F-6
VSUP2
PWR
+3,0V nom
C-1
not connected
none
A-7, E-7, F-7,
B-[5,6,7,8],
C-[5,6,7,8],
D-8, E-8, F-8
GND PWR
Ground
All GND pins must be connected
A-8
ANT PIN
none
reserved for ext. antenna
(4,9)
B-1
EXT-RES#
I-PU
L
User Reset
A-6
XL-IN
I/O
XTAL
F-4
UART-TXD
O-PP
Serial Data OUT
(6)
D-2
UART-RXD
I
Serial Data IN
(6)
D-7
UART-RTS#
O-PU
(1)
L
Flow Control/IUC
(1,6)
F-3
UART-CTS#
I-PD
L
Flow Control/IUC
(6,8)
B-4
IUR-OUT#
O-PP
L
UICP Control
(8)
D-5
IUR-IN#
I-DIS
L
UICP Control
(8)
D-3
GPIO[0]
I/O
GPIO
I2C-SCL, AIN7, AREF1
(3,5)
B-2
GPIO[1]
I/O
GPIO
I2C-SDA, AIN6
(3,5)
D-1
GPIO[2]
I/O
GPIO
SPI-MOSI
(3,5)
E-4
GPIO[3]
I/O
GPIO
(3,5)
D-4
GPIO[4]
I/O
GPIO
(3,5)
F-2
GPIO[5]
I/O
GPIO
SPI-MISO, AREF0
(3,5)
C-4
GPIO[6]
I/O
GPIO
(3,5)
C-3
GPIO[7]
I/O
GPIO
(3,5)
E-2
GPIO[8]
I/O
GPIO
SPI-SCK, AIN2
(3,5)
A-3
NFCANT1
RF
NFC-Antenna
A-1
GPIO[10]
I/O
GPIO
(3,5)
A-4
NFCANT2
RF
NFC-Antenna
A-2
GPIO[9]
I/O
GPIO
(3,5)
F-1
TESTMODE#
I-PU
(7)
L
Testmode Enable
AIN3
(6)
E-1
BOOT0
I-PD
(7)
reserved
AIN4
(6)
E-3
SWDIO
I/O-PU
Serial Wire Debug (data)
D-6
SWCLK
I-PD
Serial Wire Debug (clock)
C-2
GPIO[13]
I/O
GPIO
(3,5)
B-3
GPIO[11]
I/O
GPIO
AIN5
(3,5)
A-5
XL-OUT
I/O
XTAL
F-5
GPIO[14]
I/O
GPIO
(3,5)
E-5
GPIO[12]
I/O
GPIO
(3,5)