User's Manual
Table Of Contents
- 1 Introduction
- 2 General Product Description
- 3 Application Interface
- 3.1 Power Supply
- 3.2 Reset
- 3.3 Serial Interface
- 3.4 GPIO Interface
- 3.5 I2C Interface 0F
- 3.6 SPI Serial Peripheral Interface
- 3.7 Bluetooth Radio Interface
- 1.1
- 3.8 NFC Function
- 3.9 Slow Clock Interface
- 3.10 Test Mode
- 3.11 Operating in a Power-Switched Environment
- 3.12 Serial Wire Debug Interface
- 3.13 DC/DC Converter
- 4 Module Pins
- 5 Electrical Characteristics
- 6 Mechanical Characteristics
- 7 Application Diagram
- 8 Compliances
- 9 Packing
- 10 Ordering Information
- 11 Safety Recommendations
- 12 Document History
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 35 of 62
4.2.2 Application Specific Pin Description
4.2.2.1 TIO Pin Configuration
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 TIO-Function Type Act Description Note
E-6
VSUP1
Power
PWR
+3,3V nom.
F-6
VSUP2
Power
PWR
+3,3V nom
C-1
not connected
A-7,E-7,F-7,
B-[5,6,7,8],
C-[5,6,7,8],
D-8, E-8, F-8
GND GND PWR
Ground
All GND pins must be connected
A-8
ANT PIN
none
leave open (reserved for ext. antenna)
(4,9)
B-1
EXT-RES#
Reset
I-PU
L
User Reset
A-6
XL-IN
XTAL
leave open if no ext. XTAL is connected
F-4
UART-TXD
TXD
O-PP
Serial Data OUT
(6)
D-2
UART-RXD
RXD
I
Serial Data IN
(6)
D-7
UART-RTS#
/RTS
O-PP
L
Flow Control/IUC; refer to
(1,6)
F-3
UART-CTS#
/CTS
I-PD
L
Flow Control/IUC; refer to
(6,8)
B-4
IUR-OUT#
/IUR-OUT
O-PP
L
UICP Control; refer to
(3,8)
D-5 IUR-IN# /IUR-IN I L
UICP Control; refer to
UICP_UART_Interface_Control_Protoc
ol, 30507ST10756A
(3,8)
D-3
GPIO[0]
GPIO[0]
I/O
GPIO [I2C-SCL]
(3)
B-2
GPIO[1]
GPIO[1]
I/O
GPIO [I2C-SDA]
(3)
D-1
GPIO[2]
IOC
I/O
GPIO [SPI-MOSI]
(3)
E-4
GPIO[3]
IOB
I/O
GPIO
(3)
D-4
GPIO[4]
HANGUP
I-PD
optional; refer to
F-2
GPIO[5]
IOD
I/O
GPIO [SPI-MISO]
(3)
C-4
GPIO[6]
reserved
I-DIS
GPIO
(3)
C-3
GPIO[7]
GPIO7
I-DIS
GPIO
(3)
E-2
GPIO[8]
IOA
I/O
GPIO [SPI-SCK] [DEVICE READY#]
(3)
A-3
NFCANT1
NFC
RF
A-1
GPIO[10]
DNU
I-DIS
leave open
(4)
A-4
NFCANT2
NFC
RF
A-2
GPIO[9]
DNU
I-DIS
leave open
(4)
F-1
TESTMODE#
reserved
I-PU
L
connect to test pad
(6,7)
E-1
BOOT0
reserved
I-PD
connect to test pad
(6,7)
E-3
SWDIO
reserved
I/O-PU
leave open (Serial Wire Debug)
D-6
SWCLK
reserved
I-PD
leave open (Serial Wire Debug)
C-2
GPIO[13]
DNU
I-DIS
leave open
(4)
B-3
GPIO[11]
DNU
I-DIS
leave open
(4)
A-5
XL-OUT
XTAL
leave open if no ext. XTAL is connected
F-5
GPIO[14]
DNU
I-DIS
leave open
(4)
E-5
GPIO[12]
DNU
I-DIS
leave open
(4)