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BlueMod+S42
Hardware User Guide
1VV0301303 Rev.3 – 2016-08-22

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Summary of Contents for Telit Wireless Solutions BlueMod+S42/AI

  • Page 1 BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22...
  • Page 2: Table 1 Product Applicability

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 APPLICABILITY TABLE PRODUCT BlueMod+S42/AI Table 1 Product Applicability Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights Reserved. Page 2 of 62...
  • Page 3 BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE Notice While reasonable efforts have been made to assure the accuracy of this document, Telit assumes no liability resulting from any inaccuracies or omissions in this document, or from use of the information obtained herein.
  • Page 4 BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 Usage and Disclosure Restrictions License Agreements The software described in this document is the property of Telit and its licensors. It is furnished by express license agreement only and may be used only in accordance with the terms of such an agreement.
  • Page 5 BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 Contents Introduction ......................... 11 Scope ........................11 Audience ........................ 11 Contact Information, Support ................. 11 Document Organization ..................12 Text Conventions ....................12 Related Documents ....................13 General Product Description ..................14 Feature Summary ....................
  • Page 6 BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 3.8.2 Power Back feeding ....................27 Slow Clock Interface ....................28 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 ......................
  • Page 7 BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 Re-flow Temperature-Time Profile ................. 49 Placement Recommendation ................. 50 Housing Guidelines ....................51 Antenna Issues ...................... 51 Safety Guidelines ....................51 Cleaning ......................... 51 Application Diagram ....................52 Compliances ....................... 53 Declaration of Conformity CE ................. 53 FCC Compliance ....................
  • Page 8: Vv0301303 Rev.3 – 2016

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 10.2 Standard Packing Unit ..................60 10.3 Evaluation Kit ...................... 60 Safety Recommendations ..................61 Document History ....................62 Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights Reserved. Page 8 of 62...
  • Page 9 Figure 16: BlueMod+S42/AI Dimensions ..................48 Figure 17: BlueMod+S42 Land Pattern TOP VIEW ................. 49 Figure 18: Soldering Temperature-Time Profile (For Reflow Soldering) .......... 49 Figure 19 : BlueMod+S42/AI Placement Recommendation ............. 51 Figure 20: Typical Application Schematics ..................52 Tables Table 1 Product Applicability ......................
  • Page 10 BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 Table 8: Application Specific Pin Assignments, TIO ................ 36 Table 9: Absolute Maximum Ratings ....................37 Table 10: DC Operating Conditions ....................37 Table 11: Environmental Requirements ..................37 Table 12: DC Characteristics, Digital IO ..................38 Table 13: DC Characteristics, EXT-RES# ..................
  • Page 11: Introduction

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 Introduction Scope This document provides information how the BlueMod+S42/AI can be integrated into customer systems. It addresses hardware specifications of the BlueMod+S42/AI and requirements of the hardware environments for the BlueMod+S42/AI. NOTE: The description text “BlueMod+S42”...
  • Page 12: Document Organization

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 Our aim is to make this guide as helpful as possible. Keep us informed of your comments and suggestions for improvements. Telit appreciates feedback from the users of our information. Document Organization This document contains the following chapters: “Chapter 1: “Introduction”...
  • Page 13: Related Documents

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 Related Documents • Nordic: nRF52_Series_Reference_Manual • Nordic: nRF52832_PS v1.0.pdf (Product Specification) • BlueMod+S42\Central AT Command Reference, 80512ST10771A • BlueMod+S42 Software User Guide, 1VV0301318 • UICP_UART_Interface_Control_Protocol, 30507ST10756A • BlueMod+S42 Testmode Reference, 80512NT11496A • Bluetooth SIG Core Specification V4.2 Reproduction forbidden without written authorization from Telit Communications S.p.A.
  • Page 14: General Product Description

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 General Product Description Feature Summary  Bluetooth specification V4.2 compliant  Supports Bluetooth low energy  Fully qualified Bluetooth V4.2 Single Mode LE  CE certified  FCC and IC certified  Nordic nRF52832 inside ...
  • Page 15: Applications

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 Applications The BlueMod+S42 is designed to be used in low power applications, like sensor devices. Some typical applications are described in this chapter. Supported profiles are: • Terminal I/O • GATT based LE-profiles NOTE: Support for any additional profile is possible on request General Cable Replacement...
  • Page 16: Entertainment

    Block Diagram BlueMod+S42/AI onboard antenna 32MHz Serial Wire Debug nRF52832 optional 3.0V 32,768kHz VSUP Figure 1: BlueMod+S42/AI Block Diagram Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights Reserved. Page 16 of 62...
  • Page 17: Application Interface

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 Application Interface Power Supply BlueMod+S42 require a power supply with the following characteristics: Typical: 3,0V , min.: 1,7V , max.: 3,6V , thereby delivering > 25 mA peak BlueMod+S42 is designed to be powered from 3V coin cell batteries e.g. CR2032 directly, or any other power source complying with the given requirements.
  • Page 18: Power-Up Slew-Rate

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 3.1.1 Power-up Slew-Rate Parameter Unit VSUP rise time rate 0V to 1,7V Table 2: Power up Rise Time Requirements Reset BlueMod+S42 are equipped with circuitry for generating reset from three sources: • A reset is held active, when VSUP falls below the threshold of the brownout detector 1,2V …...
  • Page 19: Serial Interface

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 Pin Name State: BlueMod+S42 EXT-RES# Input with pull-up XL-IN Input floating (disconnected) XL-OUT Input floating (disconnected) UART-TXD Input floating (disconnected) UART-RXD Input floating (disconnected) UART-RTS# Input floating (disconnected) with pull-up resistor 470kΩ UART-CTS# Input floating (disconnected) IUR-OUT#...
  • Page 20: Figure 4: Serial Interface Signals

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 UART-RXD BlueMod+S42 Host UART-TXD UART-CTS# UART-RTS# IUR-IN# IUR-OUT# Figure 4: Serial Interface Signals The basic serial interface (with RTS/CTS flow control) uses only four signal lines (UART- RXD, UART-TXD, UART-CTS#, UART-RTS#) and GND. IUR-IN#, IUR-OUT# and GPIO[4] (see below) can be left unconnected.
  • Page 21: Wire Serial Interface

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 When using the TIO firmware and applications, call control can be supported by GPIO[4]. Driving GPIO[4] to logic High level 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.
  • Page 22: Vv0301303 Rev.3 – 2016

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 3.3.2 UART Example Circuits MAX3241 +3V3 SHDN# BlueMod+S42 RS232 +3V3 VSUP 220R UART_TXD 220R UART_RXD RTS# 220R UART_RTS# CTS# 220R UART_CTS# IUR-OUT# 220R IUR-OUT# IUR-IN# 220R IUR-IN# can be left open 100n SigGND +3V3 100n...
  • Page 23: Baud Rate Deviation

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 3.3.3 Baud Rate Deviation The following table shows the deviation in percent of the standard data rates. The deviation may be caused by the inaccuracy of the crystal oscillator or granularity of the baud rate generator.
  • Page 24: Gpio Interface

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 Signal UICP deactivated UICP activated UART-CTS# I-PD I-FLOAT IUR-IN# I-DIS I-FLOAT IUR-OUT# I-DIS O-PP Legend: I-PD = Input with pull-down resistor, I-DIS = Input disconnected, I-FLOAT = input floating, O-PP = Output push-pull Signal types I-PD, I-DIS and O-PP may be left open.
  • Page 25 BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 BlueMod+S42 +3.3V +3.3V GPIO[0]/I2C-SCL I2C-SCL GPIO[1]/I2C-SDA I2C-SDA +3.3V E-6,F-6 VSUP Figure 8: BlueMod+S42 I C Interface Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights Reserved. Page 25 of 62...
  • Page 26: Spi Serial Peripheral Interface

    SDO, MISO GPIO[5]/SPI-MISO Figure 9: BlueMod+S42 SPI Interface (Example: Master Mode) Bluetooth Radio Interface The BlueMod+S42/AI includes an integrated ceramic antenna. NFC Function The NFCT peripheral supports communication signal interface type A and 106 kbps bit rate from the NFC Forum.
  • Page 27: Nfct Antenna Recommendations

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 • Integrated automatic collision resolution, CRC and parity functions 3.8.1 NFCT Antenna Recommendations The NFCT antenna coil must be connected differential between NFCANT1 and NFCANT2 pins of BlueMod+S42. Two external capacitors C connected between the NFCANTx pins and GND should be tune1/2 used to tune the resonance of the antenna circuit to 13.56 MHz.
  • Page 28: Slow Clock Interface

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 Slow Clock Interface Even though an external slow clock is not required for BLE operation, consumption of power during power-down modes can be reduced by connecting an XTAL (32,768kHz) and two capacitors C1, C2 at pins XL-IN and XL-OUT. 3.9.1 32,768 kHz Crystal Oscillator Specification (32k XOSC) Symbol...
  • Page 29: Test Mode

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 BlueMod+S42 Slow Clock = (C1+C ) * (C2+C ) / (C1+C2+2*C +2*Cs), or C1, C2 = (2*C – C – C 32,768kHz XL-IN : see Table : stray capacitance, depends on layout XL-OUT CL: 9pF C1, C2 ~ 12pF...
  • Page 30: Operating In A Power-Switched Environment

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 To enter and use BlueMod+S42 Testmode or DTM, access to the following signals is required: • BOOT0 • TESTMODE# • UART-RXD • UART-TXD • UART-RTS# • UART-CTS# • These pins shall be routed to some test pads on an outer layer, but can be left open during normal operation when not used.
  • Page 31: Dc/Dc Converter

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 3.13 DC/DC Converter The BlueMod+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.
  • Page 32: Module Pins

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 Module Pins Pin Numbering Figure 12: BlueMod+S42 Pin Numbering (Top View) Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights Reserved. Page 32 of 62...
  • Page 33: Pin Description

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 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;...
  • Page 34: Table 7: General Pin Assignment

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 Notes: a discrete pull up resistor is used function depends on firmware DNU: Do Not Use, Do Not Connect GPIO pin. These pins may be programmed as analog-in, i-disconnected, i-float, i-pu, i-pd, o-pp (output push/pull), o-od (output open drain), o-os (output open source) or some alternate function;...
  • Page 35: Application Specific Pin Description

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 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;...
  • Page 36: Handling Of Unused Signals

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 Notes: a discrete pull up resistor is used function depends on firmware DNU: Do Not Use, Do Not Connect signal must be accessible for homologation purposes. Refer to 3.9 Test Mode signals sampled at startup time. TESTMODE# is I-PU, BOOT0 is I-PD during sampling time only, I-DIS otherwise Pin Type depends on UICP status.
  • Page 37: Electrical Characteristics

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 Electrical Characteristics Absolute Maximum Ratings Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under “Electrical Requirements”...
  • Page 38: Dc Parameter

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 DC Parameter All Module I/O pins are connected directly to the Nordic nRF52832 chip without signal conditioning except for some pull-up/pull-down resistors (as indicated). Therefore the electrical characteristics are as documented in the Nordic nRF52832 data sheet Nordic: nRF52_Series_Reference_Manual.
  • Page 39: Ext-Res

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 5.4.2 EXT-RES# Input EXT-RES# has a Schmitt-Trigger characteristic and an internal pull-up resistor. = 25°C Symbol Item Condition Limit Unit Low-Level Threshold VSUP = 1,7 to 3,6V 0,34*VSUP High-Level Threshold VSUP = 1,7 to 3,6V 0,62*VSUP Hysteresis VSUP = 3,0V...
  • Page 40: Analog Digital Converter (Adc)

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 5.4.3 Analog Digital Converter (ADC) 5.4.3.1 Input Voltage Range It is very important to configure the ADC, so the input voltage range and the ADC voltage range are matching. • If the input voltage range is lower than the ADC voltage range, the resolution will not be fully utilized.
  • Page 41: Analog Adc Input Ain

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 5.4.5 Analog ADC Input AIN When the ADC is not sampling the AIN input pin has very high impedance and can be regarded as open circuit. Table 14 shows the internal impedance for AIN during sampling for different prescaler settings.
  • Page 42: Power Consumption And Power-Down Modes

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 Power Consumption and Power-Down Modes 5.5.1 Terminal I/O Configuration The following values are typical power consumption values in the different states. VSUP = 3,0V, T = 25°C, all GPIOs open, UART inputs at VSUP or GND, SLCK: 32,768 kHz Condition Note Slow Current Consumption...
  • Page 43 BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 The following table shows the average power consumption of BlueMod+S42operating in the peripheral device role. VSUP = 3,0V, T = 25°C, all GPIO lines left open, SLCK: 32,768 kHz Condition Note Slow clock Current Consumption Unit Radio active...
  • Page 44: Rf Performance

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 RF Performance 5.6.1 BLE Receiver VSUP = 1,7V to 3,6V, T = +20°C Measured conducted according to BT specification RF-PHY.TS/4.0.1 Frequency Unit Receiver [GHz] Spec 2,402 -92,5 Sensitivity at 30,8% PER ≤ -70 2,440 -93,0 2,480...
  • Page 45: Ble Transmitter

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 5.6.2 BLE Transmitter VSUP = 1,7V to 3,6V, T = +20°C Measured conducted according to BT specification RF-PHY.TS/4.0.1 Transmitter Frequency Unit [GHz] Spec 2,402 -20 to RF Transmit Power 2,440 2,480 Programmable RF Transmit Power Range 2,402 –...
  • Page 46: Antenna-Gain And Radiation Pattern

    Table 18: RF Performance BLE Transmitter 5.6.3 Antenna-Gain and Radiation Pattern If BlueMod+S42/AI is integrated into an end product while the recommendations depicted in 6.4 Placement Recommendation are maintained, the following typical antenna radiation patterns can be expected. Radiation Pattern will depend on the end products PCB size, masses in the antenna environment, housing material and geometrics.
  • Page 47: Power-Up Time

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 Power-Up Time The time until the BlueMod+S42is able to accept link requests or serial data depends on the firmware version and on the source for the slow clock. Using TIO firmware version , the device is ready (as indicated by GPIO IOA, measured from the release of EXT_RES# or VSUP rising above 1,7V) as follows: •...
  • Page 48: Mechanical Characteristics

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 Mechanical Characteristics Dimensions Figure 16: BlueMod+S42/AI Dimensions Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights Reserved. Page 48 of 62...
  • Page 49: Recommended Land Pattern

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 Recommended Land Pattern 7x1,5=10,5 1,25 17,0 Figure 17: BlueMod+S42 Land Pattern TOP VIEW Note: All dimensions are in mm. Re-flow Temperature-Time Profile The data here is given only for guidance on solder and has to be adapted to your process and other re-flow parameters for example the used solder paste.
  • Page 50: Placement Recommendation

    Figure 19. This is a “corner placement” meaning the BlueMod+S42/AI is placed such that the antenna comes close to the corner of the application PCB (red area). So, the yellow area is outside the PCB and regards to the housing, too (refer to 6.5).
  • Page 51: Housing Guidelines

    No metallic coating ABS is suggested Antenna Issues BlueMod+S42/AI comprises a ceramic antenna which as a component is soldered to the circuit board. This solution is functional for a BlueMod+S42/AI integrated into a plastic housing. The performance of the antenna has to be checked within the final integration environment.
  • Page 52: Application Diagram

    The 32,768kHz crystal can be placed on customers HW or may be optionally on module. Contact Telit sales. All other module pins may be left unconnected. Host MCU +3V3 BlueMod+S42/AI E-6,F-6 VSUP B-1 EXT-RES# 470R...
  • Page 53: Compliances

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 Compliances The BlueMod+S42/AI has been tested to comply to the appropriate EU, FCC, IC and KCC directives. CE testing is intended for end products only. Therefore CE testing is not mandatory for a Bluetooth Module sold to OEM’s.
  • Page 54: Fcc Caution

    Consult the dealer or an experienced radio/TV technician for help. 8.2.5 FCC RF-exposure Statement The BlueMod+S42/AI complies with the FCC/IC RF radiation exposure limits set forth for an uncontrolled environment. The output power is < 10mW EIRP and therefore according to “FCC KDB 447498 D01 General RF Exposure Guidance v05”...
  • Page 55: Fcc Labeling Requirements For The End Product

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 8.2.6 FCC Labeling Requirements for the End Product Any End Product integrating the BlueMod+S42/AI must be labeled with at least the following information: This device contains transmitter with FCC ID: RFRMS42 4957A-MS42 IC Compliance The BlueMod+S42/AI will been tested to fulfill the IC requirements.
  • Page 56: Ic Caution

    Table 1 shows 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 information: This device contains transmitter with...
  • Page 57: Kcc Certification

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 KCC Certification The BlueMod+S42/AI will be certified in Korea under the Clause 2, Article 58-2 of Radio Waves Act. KCC Certification is in progress 8.4.1 KCC Certificate Bluetooth Qualification The BlueMod+S42 will be a qualified design according to the Bluetooth Qualification Program Reference Document (PRD) V2.3.
  • Page 58: Packing

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 Packing The BlueMod+S42 modules are packed using carrier tape. Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights Reserved. Page 58 of 62...
  • Page 59: Tape

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 Tape The dimensions of the tape are shown in the drawing below (values in mm): +0,1 12,0 -0,0 +0,1 +0,2 10x4,0=40,0 -0,1 -0,2 +0,1 10,9 -0,1 Reel Package Label Package box, dry shield bag and reel are each marked with the following label: Field Description name...
  • Page 60: Ordering Information

    Part Numbers BlueMod+S42 is available in the following variants: Name Antenna Firmware Order No. MOQ / Comments Version units BlueMod+S42/AI/Central Internal 53346-xx BlueEva+S42/Central Internal 2.xxx 53352-xx Evaluation Kit Other variants on request, please contact Telit sales department. 10.2 Standard Packing Unit The standard packing units are 1000 pieces on Tape and Reel 10.3...
  • Page 61: Safety Recommendations

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 Safety Recommendations READ CAREFULLY Be sure the use of this product is allowed in the country and in the environment required. The use of this product may be dangerous and has to be avoided in the following areas: Where it can interfere with other electronic devices in environments such as hospitals, airports, aircrafts, etc.
  • Page 62: Document History

    BlueMod+S42 Hardware User Guide 1VV0301303 Rev.3 – 2016-08-22 Document History Revision Date Changes 2016-07-16 First preliminary issue 2016-08-12 Fixed wrong chapter numbers Add picture to chapter 3.8.2 Connection of an External 32,768 kHz Crystal Added Tx power and Rx sensivity values at +25 °C Added some power consumption values Removed all references to extern SCLK signal 2016-08-22...

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