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S42

Hardware User Guide

1VV0301303 Rev. 11

Page 31 of 85

2021-05-06

Not Subject to NDA

Note/Tip:  It  is  strongly  recommended  NOT  to  switch  the  module
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 while the
module  power  is  switched  off.  Then  the  I/O  protection  diodes,
integrated  in  the  I/O  ports  of  the  BT  IC,  will  feed  the  VSUP

“backwards”, which means that the modules power supply is fed via

the I/O lines instead via the power supply. Due to the ultra-low power
design a few µAmps are enough to raise VSUP to an undefined state,
which may cause a hang-up deadlock when then power is switched
on again.

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
features, which may reduce the supply current to 300nA.

3.12.

Serial Wire Debug Interface

The Serial Wire Debug (SWD) interface (signals SWDIO, SWCLK) is normally not used in

a customer’s product. It is reserved for debugging purposes.

Leave SWDIO, SWCLK unconnected. Only if you intend to use them for debugging
purposes, make them available.

3.13.

DC/DC Converter

The S42 contains a buck DC/DC converter and an LDO for supplying the radio
circuit.

Switching between DC/DC converter and LDO is done automatically based on load to
maximize efficiency.

Used with a 3V coin-cell battery, the peak current drawn from the battery is reduced by
at least 25% by use of the DC/DC converter.

3.14.

Analog/Digital Converter (ADC)

The ADC functionality is FW dependent.

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Содержание BLUEMOD+S42/AI/ADC/LUA

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 85: ......

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