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                S42

 Hardware User Guide

 

 

 
 
1VV0301303 Rev. 11  

Page 22 of 85 

2021-05-06 

Not Subject to NDA 

3.3.3.

 

UART Example Circuits 

 

2

S42

GND

MAX3241

14

+3V3

22

23

2

3

7

8

4

6

1

9

TXD

RXD

RTS#

CTS#

IUR-OUT#

IUR-IN#

TXD

RXD

RTS

CTS

DTR

DSR

DCD

RI

RS232

DSUB9 (male)

DTE style connector pinout

9

4

10

5

11

6

7

8

19

13

18

12

17

16

15

F-4

D-2

D-7

F-3

B-4

D-5

UART_TXD

UART_RXD

UART_RTS#

UART_CTS#

IUR-OUT#

IUR-IN#

SHDN#

EN#

100n

100n

28
24

1

+3V3

100n 100n 100n

26

3

27

25

V+

VCC

V -

GND

C2+
C2-

C1+
C1-

220R

220R

220R

220R

220R

220R

5

SigGND

can be left open

VSUP

+3V3

 

Figure 10: 

BlueMod

+S42 Serial Interface (RS-232 COM Port) Supporting UICP 

 

VDDIO

(+1.2V .. +3.6V)

S42

GND

D-2
F-4
F-3
D-7

UART_RXD

UART_TXD

UART_CTS#
UART_RTS#

10µ+100n+1n

SN74AVC4T245

User Host System

VSUP

XC6209F-3.3

VOUT

VSS

VIN

CE

10

0k

100k

VCCB

1B1

1B2

2B1

2B2

2A2

2A1

1A2

1A1

VCCA

1DIR

1OE

2DIR

2OE

(GPIO, Out,

 no pu/pd)

(GPIO, Out,

 no pu/pd)

TXD

RTS#

RXD

CTS#

+5VDC

OE_DRV#

BT_ENABLE

VDD_HOST (+1.2 .. +3.6V)

+3V3_switched

 

Figure 11: 

BlueMod

+S42 Example Serial Interface (Mixed Signal Level)

 

 

 

Summary of Contents for BLUEMOD+S42/AI/ADC/LUA

Page 1: ...BlueMod S42 HW User Guide 1VV0301303 Rev 11 2021 05 06 Telit Technical Documentation...

Page 2: ...eMod S42 Hardware User Guide 1VV0301303 Rev 11 Page 2 of 85 2021 05 06 Not Subject to NDA APPLICABILITY TABLE PRODUCTS BLUEMOD S42 AI CEN BLUEMOD S42 AI ATEX BLUEMOD S42 AI ADC LUA BLUEMOD S42 AI ADC...

Page 3: ...1 2 3 1 Industry 11 2 3 2 POS Advertising 11 2 3 3 Healthcare and Medical 11 2 3 4 Sports and Fitness 12 2 3 5 Entertainment 12 2 4 Block Diagram 12 3 APPLICATION INTERFACE 13 3 1 Power Supply 13 3 1...

Page 4: ...ck Interface 27 3 9 1 32 768 kHz Crystal Oscillator Specification 32k XOSC 28 3 9 2 Connection of an External 32 768 kHz Crystal 28 3 10 Test Mode 29 3 11 Operating in a Power Switched Environment 30...

Page 5: ...47 5 6 RF Performance 49 5 6 1 BLE Receiver 49 5 6 2 BLE Transmitter 50 5 6 3 Antenna Gain and Radiation Pattern 51 5 7 Power Up Time 52 6 MECHANICAL CHARACTERISTICS 53 6 1 Dimensions 53 6 2 Recommend...

Page 6: ...on 66 8 4 1 KC Certificate 66 8 4 2 KC Mark 67 8 5 MIC Certification 68 8 5 1 MIC Certificate 69 8 6 Anatel Certification 70 8 7 Australian RCM Mark 71 8 8 Bluetooth Qualification 72 8 9 RoHS Declarat...

Page 7: ...21 05 06 Not Subject to NDA 11 2 1 License Agreements 79 11 2 2 Copyrighted Materials 79 11 2 3 High Risk Materials 79 11 2 4 Trademarks 80 11 2 5 3rd Party Rights 80 11 2 6 Waiver of Liability 80 11...

Page 8: ...system integrators about to implement Bluetooth modules in their application 1 3 Contact Information Support For general contact technical support services technical questions and report of documentat...

Page 9: ...ing the product Table 1 Symbol Conventions All dates are in ISO 8601 format that is YYYY MM DD 1 5 Related Documents 1 Nordic nRF52_Series_Reference_Manual 2 Nordic nRF52832_PS v1 x pdf Product Specif...

Page 10: ...board High sensitivity design Supply voltage range 1 7V to 3 6V Internal crystal oscillator 32 MHz LGA Surface Mount type BlueMod S42 17 x 10 x 2 6 mm3 Pin compatible to Telit BlueMod S BLE and BlueM...

Page 11: ...Replacement In case there is no standardized application specific profile available the BlueMod S42 offers Telit s Terminal I O profile which allows transparent data transfer over UART and supports Se...

Page 12: ...re thermometers pedometers cadence meters altimeter positioning GPS tracking and watches displaying information from sensors 2 3 5 Entertainment Bluetooth technology is already used in a wide variety...

Page 13: ...l to the CR2032 3V coin cell battery in order to prolong battery lifetime by compensating the effects of the rising source resistance of the battery to pulsed loads Since the isolation resistance of t...

Page 14: ...il VSUP VBOR A reset is generated when VSUP is VBOR and increases 300 mV or more within 300 ms or less By holding pin B 1 EXT RES at VSUP 0 25V for tHOLDRESETNORMAL 0 2 s an external reset pin reset i...

Page 15: ...ull up 1 SWCLK Input with pull down 1 1 pull up pull down RPU RPD is typ 13k 11k to 16k 2 a discrete resistor is used Table 3 Pin States during Reset The pin states as indicated in Table 3 are kept un...

Page 16: ...odule power supply on off while other parts of the circuitry stay powered This mostly leads to hardly controllable back feeding issues Back feeding occurs due to connected signal line s being 0 3V whi...

Page 17: ...ld be configured which results in the least possible current consumption See chapters 3 3 5 Dynamic I O Signal Type Changes Depending on UICP Status UART GND UART BlueMod Sx Host GPIOx EXT RES Figure...

Page 18: ...1 I O line has been saved by not switching the module power on off Therefore only 1 additional I O line is required to make the power management much smarter and reliable Further advantages compared t...

Page 19: ...scenarios and adds the risk that data gets lost The host doesn t implement UICP but wake up BT via GPIO UART TXD GND UART RXD IUC_IN CTS UART RXD UART TXD BlueMod Sx Host RTS CTS IUC_OUT RTS IUR_OUT I...

Page 20: ...isabled it is necessary that the host keeps CTS at logic low or leaves this pin floating Otherwise the supply current drawn in the deep sleep mode increases by VSUP 13k which would be at 3V 231 A 770...

Page 21: ...Signals 4 wire incl GND Warning UICP must be deactivated permanently in this configuration because signal UART CTS and IUR IN become inputs with no PU or PD if UICP is active This would cause floatin...

Page 22: ...0n 100n 28 24 1 3V3 100n 100n 100n 26 3 27 25 V VCC V GND C2 C2 C1 C1 220R 220R 220R 220R 220R 220R 5 SigGND can be left open VSUP 3V3 Figure 10 BlueMod S42 Serial Interface RS 232 COM Port Supporting...

Page 23: ...Note Tip The total deviation of sender and receiver shall not exceed 2 5 to prevent loss of data Note Tip Baud rates 9600bps are not supported while UICP is enabled 3 3 5 Dynamic I O Signal Type Chan...

Page 24: ...el during a data transfer phase will hang up the connection and disconnect the Bluetooth link This signal may be mapped to DSR if an RS232 style DTE type interface is used Please refer to 3 for a func...

Page 25: ...GPIO 0 I2C SCL can be used to form an I2 C interface It is required to connect 4k7 pull up resistors on I2C SCL and I2C SDA when this interface is used I2C SCL I2C SDA GPIO 0 I2C SCL GPIO 1 I2C SDA B...

Page 26: ...software the NFC peripheral can be used to emulate the listening device NFC A as specified by the NFC Forum Main features for the NFC peripheral NFC A listen mode operation 13 56 MHz input frequency B...

Page 27: ...and ESD structures If a battery is used that does not tolerate return current a series diode must be placed between the battery and the BlueMod S42 to protect the battery An ultra low forward voltage...

Page 28: ...Level 1 W Cpin Input Cap On XL IN and XL OUT 4 pF 1 adjust crystal frequency by choosing correct value for C1 C2 value depends on CL of crystal and layout Table 6 32 768kHz Crystal Oscillator The modu...

Page 29: ...Testmode is recommended For enabling the different test modes the BlueMod S42 provides two IO pins The pin Testmode is low active Active in the following table means connect to GND The pin Boot0 is hi...

Page 30: ...one to save some power in times Bluetooth is not needed As stated in Table 14 the voltage on any I O pin must not exceed VSUP by more than 0 3V at any time Otherwise some current IINJ flows through th...

Page 31: ...n Any I O pin at a voltage 0 3V while the supply VSUP is at 0V violates the abs max ratings given in chapter 5 1 Absolute Maximum Ratings It is instead recommended to use the advanced power management...

Page 32: ...Analog Comparator Table 8 ADC Functionality versus Firmware The ADC supports 8 10 12 bit resolution 14 bit resolution with oversampling full swing operation 0V to VSUP and up to 200kHz sample rate Lim...

Page 33: ...ware ADC TWI The FW ADC TWI uses a fix acquisition time of 15 s and increases the resolution by oversampling The sample rate is programmable via at command in the range of 5ms to 2000ms Therefore this...

Page 34: ...of 85 2021 05 06 Not Subject to NDA 4 MODULE PINS 4 1 Pin Numbering F1 E1 D1 C1 B1 A1 A2 A3 A4 A5 A6 A7 A8 F2 E2 D2 C2 B2 F3 E3 D3 C3 B3 F4 E4 D4 C4 B4 F5 E5 D5 C5 B5 F6 E6 D6 C6 B6 F7 E7 D7 C7 B7 F8...

Page 35: ...I MISO AIN3 3 5 C 4 GPIO 6 I O GPIO AIN1 3 5 C 3 GPIO 7 I O GPIO AIN4 3 5 E 2 GPIO 8 I O GPIO SPI SCK 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...

Page 36: ...GPIO SPI MOSI 3 E 4 GPIO 3 IOB O DIS GPIO 3 D 4 GPIO 4 HANGUP I PD optional refer to 3 F 2 GPIO 5 IOD DIS GPIO SPI MISO 3 C 4 GPIO 6 reserved DIS GPIO 3 C 3 GPIO 7 DNU DIS GPIO 3 E 2 GPIO 8 IOA O DIS...

Page 37: ...for ext antenna 4 9 B 1 EXT RES Reset I PU L User Reset A 6 XL IN SLCK SLCK XTAL LFXO 32 768kHz Slow Clock crystal optional leave open without crystal F 4 UART TXD TXD O PP DIS Serial Data OUT 6 D 2...

Page 38: ...l Wire Debug 4 C 2 GPIO 13 DIO6 I O DIS Digital In Output 6 3 B 3 GPIO 11 DIO4 I O DIS Digital In Output 4 3 A 5 XL OUT XTAL LFXO 32 768kHz Slow Clock crystal optional leave open without crystal F 5 G...

Page 39: ...erved for ext antenna 4 9 B 1 EXT RES Reset I PU L User Reset A 6 XL IN SLCK SLCK XTAL LFXO 32 768kHz Slow Clock crystal optional leave open without crystal F 4 UART TXD TXD O PP DIS Serial Data OUT 6...

Page 40: ...eave open Serial Wire Debug 4 C 2 GPIO 13 DIO7 I O DIS Digital In Output 7 3 B 3 GPIO 11 DIO5 I O DIS Digital In Output 5 3 A 5 XL OUT XTAL LFXO 32 768kHz Slow Clock crystal optional leave open withou...

Page 41: ...a pullup e g 100k to VSUP 1 leave UART TXD open 1 UART RTS UART CTS If neither flow control nor UICP is used Leave open 1 2 IUR OUT IUR IN If UICP is not used leave open NFCANT1 NFCANT2 If no NFC ant...

Page 42: ...1 2 80 mA Table 14 Absolute Maximum Ratings 5 2 Operating Conditions Tamb 25 C Item Condition Limit Unit Min Typ Max Supply voltage VSUP normal mode DC DC not enabled 1 7 3 0 3 6 VDC Supply voltage VS...

Page 43: ...5mA 1 5 0mA 2 3 mA RPU pull up resistor 11 13 16 k RPD pull down resistor 11 13 16 k Cl Pad Capacitance 3 0 pF 1 drive std 2 drive hi 3 maximal number of pins per package with high drive is 3 Table 1...

Page 44: ...ADC TWI and ADC LUA FW versions are made for capturing DC signals and increase resolution by oversampling Please refer to 1 Nordic nRF52_Series_Reference_Manual and 2 Nordic nRF52832_PS v1 x pdf Prod...

Page 45: ...g losses increases The following values are typical power consumption values in the different states VSUP 3 0V Tamb 25 C all GPIOs open UART inputs at VSUP or GND SLCK 32 768 kHz Condition Radio inact...

Page 46: ...5 ms data traffic 115 kbit s at the serial port central to peripheral 2 6 9 2 5 2 4 mA Connected connection interval 7 5 ms data traffic 115 kbit s at the serial port peripheral to central 2 6 9 2 2 2...

Page 47: ...0 F 10 The inductance is neglectable 3 9nH for antenna matching For the ATEX operation with DC DC converter disabled the current consumption values given in 5 5 1 1 Power Consumption BlueMod S42 AI h...

Page 48: ...ms data traffic 115 kbit s at the serial port central to peripheral 2 6 9 5 5 5 1 mA Connected connection interval 7 5 ms data traffic 115 kbit s at the serial port peripheral to central 2 6 9 5 7 4...

Page 49: ...35 35 2 500 3 000 35 35 3 000 12 75 30 30 C I co channel 10 21 21 dB Adjacent channel Selectivity C I F F0 1 MHz 1 15 15 dB F F0 1 MHz 1 15 15 dB F F0 2 MHz 25 17 17 dB F F0 2 MHz 25 15 15 dB F F0 3 M...

Page 50: ...F0 2MHz 48 30 dBm F F0 3MHz 55 30 F F0 3MHz 60 30 f1avg maximum modulation 225 255 275 225 f1avg 275 kHz f2max minimum modulation test threshold 185 kHz 99 9 100 99 9 f2avg f1avg 0 8 1 0 0 8 Frequenc...

Page 51: ...t 150 35 150 150 kHz Carrier drift rate 10 20 20 kHz 50 s Carrier drift 20 50 50 kHz Table 24 RF Performance BLE Transmitter 5 6 3 Antenna Gain and Radiation Pattern If BlueMod S42 AI is integrated in...

Page 52: ...til the BlueMod S42 is able to accept link requests or serial data depends on the firmware version and on the source for the slow clock Using CEN firmware version the device is ready as indicated by G...

Page 53: ...Pattern F1 E1 D1 C1 B1 A1 A2 A3 A4 A5 A6 A7 A8 F2 E2 D2 C2 B2 F3 E3 D3 C3 B3 F4 E4 D4 C4 B4 F5 E5 D5 C5 B5 F6 E6 D6 C6 B6 F7 E7 D7 C7 B7 F8 E8 D8 C8 B8 1 25 1 25 7x1 5 10 5 5x1 5 7 5 0 9 17 0 10 0 Fig...

Page 54: ...230 50 Average ramp up rate C sec 3 Average ramp down rate C sec 6 Max Time 25 C to Peak Temperature min 8 Opposite side re flow is prohibited due to module weight Devices will withstand the specifie...

Page 55: ...5 Housing Guidelines The individual case must be checked to decide whether a specific housing is suitable for the use of the internal antenna A plastic housing must at least fulfill the following requ...

Page 56: ...tion rules given in regulation EN 60950 1 2006 The PCB material of the BlueMod S42 is classified UL 94V0 6 8 Cleaning In general cleaning the modules mounted on the host board is strongly discouraged...

Page 57: ...customers HW or may be optionally on module Contact Telit sales All other module pins may be left unconnected Host MCU VDD GND 3V3 GPIO o In this example BlueMod S is connected to an MCU supporting UI...

Page 58: ...All certifications and declarations except RoHS and ReacH are only valid for the BlueMod S42 running with Telit FW If the FLASH is erased and a customer specific FW is loaded all certifications must b...

Page 59: ...BlueMod S42 Hardware User Guide 1VV0301303 Rev 11 Page 59 of 85 2021 05 06 Not Subject to NDA 8 2 1 FCC Grant...

Page 60: ...mful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful...

Page 61: ...implementing the BlueMod S42 AI has other antennas in co location or separation distances 5mm an FCC TCB should be asked for a Class II Permissive Change 8 2 6 FCC Labeling Requirements for the End P...

Page 62: ...BlueMod S42 Hardware User Guide 1VV0301303 Rev 11 Page 62 of 85 2021 05 06 Not Subject to NDA 8 3 1 IC Grant...

Page 63: ...BlueMod S42 Hardware User Guide 1VV0301303 Rev 11 Page 63 of 85 2021 05 06 Not Subject to NDA...

Page 64: ...sateur This device complies with Industry Canada license exempt RSS standard s Operation is subject to the following two conditions 1 This device may not cause interference and 2 This device must acce...

Page 65: ...that for 2450MHz the distance at 7mW should be 10mm 8 3 5 IC Labeling Requirements for the End Product Any end product integrating the BlueMod S42 AI must be labeled with at least the following infor...

Page 66: ...Hardware User Guide 1VV0301303 Rev 11 Page 66 of 85 2021 05 06 Not Subject to NDA 8 4 KC Certification BlueMod S42 AI is certified in Korea under the Clause 2 Article 58 2 of Radio Waves Act 8 4 1 KC...

Page 67: ...BlueMod S42 Hardware User Guide 1VV0301303 Rev 11 Page 67 of 85 2021 05 06 Not Subject to NDA 8 4 2 KC Mark...

Page 68: ...l the Japanese MIC requirements Please note that the Japanese Certificates are only valid for the variants using the internal ceramic antenna denoted by the string AI in the product name Japanese Radi...

Page 69: ...BlueMod S42 Hardware User Guide 1VV0301303 Rev 11 Page 69 of 85 2021 05 06 Not Subject to NDA 8 5 1 MIC Certificate...

Page 70: ...certified in Brazil by Anatel Este equipamento n o tem direito prote o contra interfer ncia prejudicial e n o pode causar interfer ncia em sistemas devidamente autorizados This equipment is not entitl...

Page 71: ...er Guide 1VV0301303 Rev 11 Page 71 of 85 2021 05 06 Not Subject to NDA 8 7 Australian RCM Mark Telit is registered supplier at ACN with the following ABN A SDoC for the BlueMod S has been issued and i...

Page 72: ...ed Design ID is 88139 For further information about marking requirements of your product attention should be paid the Bluetooth Brand Usage Guide at https www bluetooth org en us bluetooth brand bluet...

Page 73: ...ation The BlueMod S42 AI fully complies with the EU RoHS directive RoHS 2011 65 EC The actual version of RoHS Declaration of Conformity EU DoC can be downloaded from the Telit Download Zone https www...

Page 74: ...er as Tape Reel or as tray packing 9 1 Tape Reel Packing The BlueMod S42 modules are packed using carrier tape in this orientation pull off direction from reel 25 empty pockets as leader per packing u...

Page 75: ...0 1 10 9 0 1 0 1 18 3 0 1 0 1 R 0 5 1 75 0 10 0 10 24 0 0 3 0 3 10x4 0 40 0 0 2 0 2 1 5 0 1 0 0 12 0 11 5 0 1 0 1 0 3 3 0 Figure 27 Carrier Tape Dimensions 9 1 2 Reel name p n firmware fw p n trace qu...

Page 76: ...ge 76 of 85 2021 05 06 Not Subject to NDA 9 2 Tray Packing 9 2 1 Module Orientation Figure 29 Module Orientation on Tray 9 2 2 Tray Dimensions Figure 30 Tray Dimensions 9 3 Moisture Sensitivity Level...

Page 77: ...od S42 Hardware User Guide 1VV0301303 Rev 11 Page 77 of 85 2021 05 06 Not Subject to NDA 10 EVALUATION KIT The kit BlueEva S42 is available to evaluate functionality and start your firmware implementa...

Page 78: ...ot necessarily mean that Telit intends to announce such Telit products programming or services in your country 11 1 1 Copyrights This instruction manual and the Telit products described herein may inc...

Page 79: ...this document is owned by Telit and its licensors It is furnished by express license agreement only and shall be used exclusively in accordance with the terms of such agreement 11 2 2 Copyrighted Mat...

Page 80: ...FOR A PARTICULAR PURPOSE NO THIRD PARTY LICENSORS OF OTHER CODES MUST BE LIABLE FOR ANY DIRECT INDIRECT INCIDENTAL SPECIAL EXEMPLARY OR CONSEQUENTIAL DAMAGES INCLUDING WITHOUT LIMITATION LOST OF PROFI...

Page 81: ...instruction for its use Do not insert or remove the SIM when the product is in power saving mode The system integrator is responsible for the functioning of the final product Therefore the external co...

Page 82: ...ct DTE Data Terminal Equipment ESR Equivalent Series Resistance GPIO General Purpose Input Output I O Input Output MISO Master Input Slave Output MOSI Master Output Slave Input PCB Printed Circuit Boa...

Page 83: ...2 General Pin Description Alternate Functions revised 5 5 1 Power Consumption BlueMod S42 AI CEN FW Chapter for ATEX Variant added 8 Compliances Note added compliance only valid for Telit FW 3 14 Ana...

Page 84: ...for power control range and added Whisper Mode with 40dBm Chap 2 4 Added new block diagram with 32MHz crystal and optional 32 768kHz crystal Chap 6 1 Added new label to drawing Chap 7 Additionally 32...

Page 85: ......

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