Datasheet
Contents
1. 10 2 7 Time Gounter ss rt hottes 10 2 8 Low Energy Timer LETIMER 0 ccsceeeeeeeeeeeeeeeeeeeeeeeeeeaeeeeaeeeeeaeeeaeeeeaeeeeaeeeeaeeseaeeesaeeseaeeseaeeseaeeseaeeseaeeseaeesseeseneeseaees 10 2 9 Ultra Low Power Wake up Timer 10 2 10 Pulse Counter PONT M 10 2 11 General Purpose Input Output 10 2 12 Analog Comparator 10 2 13 Analog to Digital Converter 10 2 14 Digital to Analog Current Converter IDAC iii 11 2 15 Integrated DC DC Converter 0 11 4 ee eee 12 3 1 PCB design guidelines ede ee ee ee ene 12 3 2 Effect of plastic and metal materials sise 13 3 3 Effect of human P 13 5 Hardware design quidelines ritieni tete eate crecen erit nite ie icd rele e 14 4 1 Power supply2. IDACO PULSE COUNTER PCNTO SOIN PCNTO S1IN CLOCK MANAGEMENT Table 2 BGM111 GPIO assignments related to functionalities and peripherals silabs com Smart Connected Energy friendly 2 3 USART The Universal Synchronous Asynchronous Receiver Transmitter is a flexible serial I O module It supports full duplex asynchronous UART communication with hardware flow control as well SPI If UART is used as BGAPI serial protocol host interface it is strongly recommended to use RTS and CTS signals for reliable data transmission USART Figure 3 USART 2 4 Low Energy Universal Asynchronous Receiver Transmitter LEUART The unique LEUARTTM provides two way UART communication on a strict power budget Only a 32 768 kHz clock is needed to allow UART communication up to 9600 baud The LEUART includes all necessary hardware to make asynchronous serial communication possible with a minimum of software intervention and energy consumption 25 12C The 2 module provides an interface between the MCU and a serial I2C bus It is capable of acting as both a master and a slave Standard mode fast mode and fast mode plus speeds are supported allowing transmission rates from 10 kbit s up to 1 Mbit s EFR I C MASTER SLAVE Figure 4 PC silabs com Smart Connected Ene
3. Frequency RC Oscillator Detector Regulators Peripheral Reflex System External Interrupt Cryotimer 2 x Analog GPIO Wake up Pulse Comparator Counter Watchdog Timer Real Time Counter and Calendar EM3 EM4 EM4 Stop Mode Hibernate Shutoff Mode silabs com Smart Connected Energy friendly This information applies to a product under development Its characteristics and specifications are subject to change without notice Silicon Laboratories confidential Information herein is covered under non disclosure agreement NDA 1 Key Features Bluetooth features e Bluetooth 4 1 compliant o Software upgradable to Bluetooth 4 2 e Central and peripheral roles e Upto 8 x BLE connections in central role Radio features e Integrated antenna e TX Power o 8dBm Sensitivity o 91 dBm e upto 150 200 LoS range Software features e Integrated Bluetooth Smart stack e GATT based Bluetooth Smart profile e 100 kbps throughput over BLE BGAPI serial protocol API over UART for modem usage BGLIB host APl library which implements BGAPI serial protocol BGScript scripting language for standalone usage e Profile Toolkit for creating GATT based services silabs com Smart Connected Energy friendly Hardware interfaces UART host interface 2 x SPI UART and 2 x I2C peripheral interfaces Up to 25 x GPIO with interrupts 4 x 12 bit ADC and 1 x 12 bit DAC Internal temperature se
4. d Industrie Canada applicables aux appareils radio exempts de licence L exploitation est autoris e aux deux conditions suivantes 1 l appareil ne doit pas produire de brouillage 2 l utilisateur de l appareil doit accepter tout brouillage radio lectrique subi m me si le brouillage est susceptible d en compromettre le fonctionnement D claration relative l exposition aux radiofr quences RF Les limites applicables l exemption de l valuation courante du DAS sont nonc es dans le CNR 102 5 dition L appareil BGM111 r pond aux exigences donn es quand la distance de s paration minimum par rapport au corps humain est inf rieure ou gale 15 mm L valuation de l exposition aux RF ou du DAS n est pas requise quand la distance de s paration est de 15 mm ou plus Si la distance de s paration est inf rieure 15 mm il incombe l int grateur FEO d valuer le DAS Responsabilit s du FEO ayant trait la conformit avec les r glements IC Le module BGM 1 11 a t certifi pour une int gration dans des produits uniquement par les int grateurs FEO dans les conditions suivantes La ou les antennes doivent tre install es de telle fa on qu une distance de s paration minimum de 15 mm soit maintenue entre le radiateur antenne et toute personne tout moment e module metteur ne doit pas tre install au m me endroit ou fonctionner conjointement avec toute autre antenne ou metteur D s
5. 14 4 2 Power Saving E 14 4 3 HeSeLTUfictions enu tieu eum Er LE ee 14 4 4 Debug and firmware updates 14 6 Bluetooth Smart Stack Softwaro eerie eiiis ie esun tesa sc mk ane NER RR RDDR RASSE RR IK ARR SA RSEN RARI 16 Hostinterface c e ILL CI d 17 6 1 UTI 17 8 Electrical 5 E RCER sean siens RES AR RCRRRS NERA annA RR CEN 18 7 1 Absolute maximum 18 7 2 Recommended operating conditions sise 18 7 3 Input output terminal characteristics ss 18 7 4 Reset signal need to be checked from SOC data sheet values 19 7 5 Analog Digital Converter ADC need to be checked from SOC data sheet values 19 silabs com Smart Connected Energy friendly 7 6 Current Digital Analog Converter IDAC need to be checked from SOC data sheet values 20 7 7 CONSUMPTION EROR 20 9 C 2
6. 2 8 1 Antenmnacharacteristis cas neret per culte E ste M Is LA ELE 22 8 2 2D Radiation Pattern Plots sise 23 8 3 Physical dimensi ONS e aie 25 10 Soldering rec ommendati nS m 27 11 Certifications PEER ee 28 JS MEI DUI Me 28 MEE 28 103 mE 28 104 Os pera 29 12 Revision e 32 ROVISIONION IP 32 silabs com Smart Connected Energy friendly
7. AD NUMBER 5 6 If 8 9 10 11 13 14 15 16 17 18 19 2 8 4 21 22 23 24 25 26 27 28 BOOTLOADER DEBUG DBG SWCLKTCK DBG SWDIOTMS DBG_SWO DBG TDI DBG_TDO WAKE UP B 12C I2CO_SCL I2CO SDA USART 0 UART SPI CTS CLK RTS cs RX MISO TX MOSI USART1 UART SPI US1_CTS US1_CLK 9 CTS CLK US1_RX MISO RX MISO ust_cs T vos RTS cS US1_TX MOSI LEUART 0 TIMER TIMO_CCO TIMO CC1 silabs com Smart Connected Energy friendly GPIO ASSIGNMENTS PORT NAME PORT PIN 1 2 3 45 0 1 2131415116 7 COMMENTS PAD NUMBER 516171819 10 11 13 14 15 16 17 18 1912 3 4 21 22 23 24 25 26 27 28 TIMO_CC2 amp l a ae la e lls lle e ec elle a Io TIMO CDTIO gt als o 6 9 6 las gt a o TIMO CDTI1 a
8. SILICON LABS Blue Gecko BGM111 Bluetooth Smart Module Preliminary Datasheet BGM111 is a Bluetooth Smart module targeted for Bluetooth Smart applications in which good RF performance low power consumption and easy application development are key requirements At 8 dBm TX power BGM111 has best in class RF performance and can provide long Bluetooth 4 1 compliant Bluetooth Smart range robust Bluetooth Smart connectivity Software oui TX power up to 8 dBm BGM111 integrates all features required for a Bluetooth Smart RX sensitivity down to 91 dBm application Bluetooth radio software stack and GATT based profiles Range up to 200 meters and it can also host end user applications which means no external CPU core 32 bit ARM Cortex M4 microcontroller is required in size price or power constrained devices Flash memory 256 kB BGM111 Bluetooth Smart module also has flexible hardware interfaces 32 to connect to different peripherals or sensors Autonomous Hardware Crypto Accelerator and True Random Number Generator Although BGM111 Bluetooth Smart Module is targeted for applications Integrated DC DC Converter requiring high RF performance it is still has ultra low power consumption and can be powered using a standard 3 V coin cell battery KEY FEATURES Low Frequency Low Frequency Power on Crystal Oscillator Oscillator Regulator Reset 32kB RAM Brownout DC DC Ultra Low
9. Smart Radio Bluetooth Smart 4 1 8 dBm TX Module with internal chip antenna Cut reel Core ARM Cortex M4 Memory 32kB RAM 256kB flash BGM111A256v1 Antenna chip Packaging 100 pcs cut reel Status pre production samples Production PN BGM111A256v2 BGM111 Bluetooth Smart Radio Bluetooth Smart 4 1 8 dBm TX Module with internal chip antenna Full reel Core ARM Cortex M4 Memory 32kB RAM 256kB flash BGM111A256v1 Antenna chip Packaging 1000 pcs tape and reel Status pre production samples Production PN BGM111A256v2R Blue Gecko Bluetooth Smart BGM111 radio board module development kit WSTK main board SLWSTK6101A Expansion board buttons leds accelerometer joystick Accessories silabs com Smart Connected Energy friendly 3 Pin out and Package Definitions This section contains a description of the BGM111 pin out shown in Figure 2 below Each pin may have one or more functions Power ground and reset pins are listed in Table 1 while GPIO pin assignments are listed in Table 2 BGM111 TOP VIEW 13 144 15 16 17 18 19 Figure 2 BGM111 Pinout top view 2 1 Power ground and reset pins Pad number Function Description 29 VDD Module power supply supply range 2 4 3 8V Ground connected together internally but should all be connected directly to a solid ground plane 112 eme GND with vias in close proximity to the pads especially on the antenna end Module reset s
10. a a 1 lls e Nes d a TIMO CDTI2 gt 4 o 6 o 6 a 9 TIM1 CCO sbslalslslsalslstslslalslals ls ts e TIM1_CC1 6 a la e 6 lle 6 5 6 de 6 a lle e 6 lle 2 TIM1_CC2 5 a e ee e a 1 amp 19 6 6 o 9 6 e a 6 IS LOW ENERGY TIMER 2X E 5 5 b o 2Y 5 E 5 E a 3Y 9 4Y 5 ACMP1 silabs com Smart Connected Energy friendly GPIO ASSIGNMENTS PORT NAME PORT PIN 0 1 2 5 0 1 2131415 6 7 COMMENTS PAD NUMBER 5 6 amp 9 11 187 141 15 116 117 18 1191 2 3 4 21 22 23 24 25 26 27 28 3x 3Y al olo 4X al alle 4Y
11. al can be used for counting pulses on a single input or to decode quadrature encoded inputs 2 11 General Purpose Input Output GPIO BGM111 has 25 General Purpose Input Output pins Each GPIO pin can be individually configured as either an output or input More advanced configurations including open drain open source and glitch filtering can be configured for each individual GPIO pin The GPIO pins can be overridden by peripheral connections like SPI communication Each peripheral connection can be routed to several GPIO pins on the device The GPIO subsystem supports asynchronous external pin interrupts When configured as GPIO output drive strength can be applied to pins on port by port basis and it can be either 1 mA or 10 mA 2 12 Analog Comparator ACMP The Analog Comparator is used to compare the voltage of two analog inputs with a digital output indicating which input voltage is higher Inputs are selected from among internal references and external pins The tradeoff between response time and current consumption is configurable by software The ACMP can also be used to monitor the supply voltage from software An interrupt can be generated when the supply falls below or rises above a programmable threshold 2 13 Analog to Digital Converter ADC The ADC is a Successive Approximation Register SAR architecture with a resolution of up to 12 bits up to 1 Msamples sec The output sample resolution is configurable and additional resol
12. ansmitter testing will not be required However the OEM integrator is still responsible for testing their end product for any additional compliance requirements required with this module installed for example digital device emissions PC peripheral requirements etc silabs com Smart Connected Energy friendly IMPORTANT NOTE the event that this condition cannot be met for certain configurations or co location with another transmitter then the FCC authorization is no longer considered valid and the FCC ID cannot be used on the final product In these circumstances the OEM integrator will be responsible for re evaluating the end product including the transmitter and obtaining a separate FCC authorization End Product Labeling The BGM111 module is labeled with its own FCC ID If the FCC ID is not visible when the module is installed inside another device then the outside of the device into which the module is installed must also display a label referring to the enclosed module In that case the final end product must be labeled in a visible area with the following Contains Transmitter Module FCC ID TBD or Contains FCC ID TBD The OEM integrator has to be aware not to provide information to the end user regarding how to install or remove this RF module or change HF related parameters in the user manual of the end product 10 4 This radio transmitter has been approved by Industry Canada to operate with the embe
13. clearance should be kept between the hand and the antenna This can be achieved with the help of an air gap inside the outer casing of the end product and the antenna of the module silabs com Smart Connected Energy friendly 5 Hardware design guidelines BMG111 is an easy to apply module with regard to hardware application design but certain design guidelines must be followed to guarantee optimal performance If these guidelines are not adhered to operation to stated characteristic values cannot be guaranteed These guidelines are listed in the next sub sections 4 1 Power supply requirements Coin cell batteries cannot withstand high peak currents e g higher than 15 mA If the peak current exceeds 15 mA it s recommended to place 47 100 capacitor in parallel with the coin cell battery to improve the battery life time Notice that the total current consumption of your application is a combination of the radio peripherals and MCU current consumption so you must take all of these into account BGM111 is powered by a unipolar supply voltage with nominal value of 3 3 V Operating voltage range of the module is 2 4 3 8 V when using the built in DC DC converter External high frequency bypass capacitors are not needed because the module contains the required supply filter capacitors However care should be taken to prevent strong switching noise from being superimposed on the supply line Such noise can be generated e g by on board cha
14. dded chip antenna Other antenna types are strictly prohibited for use with this device This device complies with Industry Canada s license exempt RSS standards Operation is subject to the following two conditions 1 This device may not cause interference and 2 This device must accept any interference including interference that may cause undesired operation of the device RF Exposure Statement Exception from routine SAR evaluation limits are given in RSS 102 Issue5 BGM111 meets the given requirements when the minimum separation distance to human is less than equal to 15 mm RF exposure or SAR evaluation is not required when the separation distance is 15 mm or more If the separation distance is less than 15 mm the OEM integrator is responsible for evaluating the SAR OEM Responsibilities to comply with IC Regulations The BGM111 Module has been certified for integration into products only by OEM integrators under the following conditions e Theantenna s must be installed such that a minimum separation distance of 15 mm is maintained between the radiator antenna and all persons at all times e The transmitter module must not be co located or operating in conjunction with any other antenna or transmitter As long as the two conditions above are met further transmitter testing will not be required However the OEM integrator is still responsible for testing their end product for any additional compliance requirements req
15. e conscient de ne pas fournir d informations l utilisateur final permettant d installer ou de retirer ce module RF ou de changer les param tres li s aux RF dans le mode d emploi du produit final silabs com Smart Connected Energy friendly 12 Revision history 11 1 Revision 0 9 Preliminary silabs com Smart Connected Energy friendly 1 _ Feature 2 1 1 ADDIICAIOFIS osse DM LAM LEE 3 1 2 3 2 Ordering information e 4 3 Pin out and Package DefiNitions sssscsssssssssenssnessnresnoreennenesnuesgncesanesnentensunernrenperessonnansetagne manne caaneenannusannennuness 5 2 1 Power ground and reset 5 2 2 General Purpose I O 5 2 3 eL MIU th 9 2 4 Low Energy Universal Asynchronous Receiver Transmitter 9 2 5 poe PR 9 2 6 Timer Counter TIMER ii nnne nnne nnnnentne ttr tinet
16. endly 8 Electrical characteristics 7 1 Absolute maximum ratings Rating Min Unit Storage Temperature 50 150 VDD 0 3 3 8 5V tolerant GPIO Voltages 0 3 5 25 V Other Terminal Voltages 0 3 VDD 0 3 Table 4 Absolute maximum ratings or VDD 2V whichever is less 7 2 Recommended operating conditions Rating Min Unit Operating Temperature Range 40 85 VDD when using internal DC DC 2 4 3 8 VDD when DC DC bypass mode 1 8 3 8 VDD when operating ADC or DAC 1 8 3 8 Table 5 Recommended operating conditions 73 input output terminal characteristics Digital terminals Min Unit Input voltage levels input logic level low 1 7V lt VDD lt 3 6V 0 3 0 3VDD V input logic level high 1 7V s VDD lt 3 6V 0 7VDD VDD 2 0 V Output voltage levels output logic level low Vdd 3 3 V lol 3 mA weak driver 0 2 VDD output logic level high Vdd 3 3 V loh 3 mA weak driver 0 8 VDD output logic level low Vdd 3 3 V lol 20 mA strong driver 0 2 VDD V silabs com Smart Connected Energy friendly output logic level high Vdd 3 3 V loh 20 mA strong driver 0 8 VDD V Table 6 Digital terminal electrical characteristics 7 4 Reset signal need to be checked from SOC data sheet values Power on Reset Power on reset
17. etooth Smart profile The Bluetooth Smart Software also is supported by a complete SDK for developing Bluetooth Smart applications using either an external host or BGAPI serial protocol over UART or fully standalone applications based on a simple scripting language called BGScript Several profiles and software project examples are offered as part of the Bluetooth Smart SDK to help expedite the development of Bluetooth Smart compatible end user products The main parts of the Bluetooth Smart software stack are shown below Bluetooth Smart Module Host MCU TM Application BGScript application ER BGLIB API 5 BGAPI serial protocol m Application B m Stack inal Hardware Figure 8 Bluetooth Smart software stack To learn more about the Bluetooth Smart software stack the SDK and the APIs please read Blue Gecko Bluetooth Smart Software Getting Started Guide silabs com Smart Connected Energy friendly 7 Hostinterface 6 1 UART BGM111 can be controlled over the UART interface In order for the communication to be reliable for any amounts of data exceeding short intermittent commands hardware flow control signals RTS and CTS must be present between the host and the module The controlling processor should have a clock frequency accurate to within 1 in order for the UART signaling to work reliably with speeds exceeding 115 200 kbps silabs com Smart Connected Energy fri
18. ignal Pulling RESET low will reset the internal processor This pin has an internal mr pull up and can be left floating if not needed Table 1 BGM111 power ground and reset pins 22 General Purpose I O pins The 25 GPIO pins of BGM111 module are organized into ports with up to 16 pins each These GPIO pins can individually be configured as either an output or input More advanced configurations like open drain open source and glitch filtering can be configured for each individual GPIO pin GPIO pins can also be overridden by peripheral pin connections like TIMER PWM outputs or USART communication which can be routed to several locations on the device The GPIO supports up to 16 asynchronous external pin interrupts which enable interrupts from any pin on the device Also the input value of a pin can be routed through the Peripheral Reflex System to other peripherals Except for a few special functions the internal signal crossbar allows various peripheral functions to be assigned freely to any GPIO pad simplifying application board layout silabs com Smart Connected Energy friendly GPIO ASSIGNMENTS PORT NAME PORT PIN 0 1 2 3 4 5 0 1 2 3 4 5 6 7 COMMENTS P
19. is needed 4 4 Debug and firmware updates 441 JTAG It is recommended to expose the JTAG debug pins in your own hardware design for firmware update and debug purposes The following table lists the required pins for JTAG connection The debug pins have pull down and pull up enabled by default so leaving them enabled may increase current consumption if left connected to supply or ground If enabling the JTAG pins the module must be power cycled to enable a SWD debug session PAD NAME PAD NUMBER JTAG SIGNAL NAME COMMENTS PF3 24 TDI This pin is disabled after reset Once enabled the pin has a built in pull up PF2 23 TDO This pin is disabled after reset silabs com Smart Connected Energy friendly PF1 22 TMS Pin is enabled after reset and has a built in pull up PFO 21 TCK Pin is enabled after reset and has a built in pull down Table 3 JTAG pads in BGM111 4 42 DFU It is also possible to update the firmware over UART using DFU protocol However the bootloader cannot be updated using DFU but requires that the firmware is updated using JTAG silabs com Smart Connected Energy friendly 6 Bluetooth Smart Stack Software Silicon Labs Bluetooth Smart Software is a complete Bluetooth Smart software stack for BGM111 Bluetooth Smart module The software implements a full Bluetooth LE compatible Bluetooth Stack and L2CAP SMP protocols and any GATT based Blu
20. leep mode TBD RTC running full retention Shutdown mode TBD RTC running 128B retention Full shutdown mode TBD No RTC retention silabs com Smart Connected Energy friendly Table 10 Power consumption for different operating modes Operating mode Current Unit Description LE advertising discoverable TBD pA LE connected master TBD pA LE connected slave TBD pA Table 11 Typical power consumption in practical use cases silabs com Smart Connected Energy friendly 9 Characteristics Parameter Frequency 2402 2480 MHz Table 12 Supported frequencies Packet type LE TBD 91 TBD dBm Table 13 Typical receiver sensitivity Modulation type LE 6 5 8 9 dBm Table 14 Transmitter output power at maximum setting 8 1 Antenna characteristics With optimal layout Note Efficiency 2 dB Efficiency and peak gain depend on the application PCB layout and mechanical design Peak gain 1 dBi Table 15 BGM111 Antenna efficiency and peak gain silabs com Smart Connected Energy friendly 8 2 2D Radiation Pattern Plots 2D pattern front view 06 Figure 9 BGM111 typical 2D radiation pattern front view 2D pattern side view 5 dB Figure 10 BGM111 typical 2D radiation pattern side view silabs com Smart Connected Energy friendly 2D
21. lors que les deux conditions ci dessus sont respect es d autres tests de l metteur ne sont pas obligatoires Cependant il incombe toujours l int grateur FEO de tester la conformit de son produit final vis vis de toute exigence suppl mentaire avec ce module install par exemple missions de dispositifs num riques exigences relatives aux mat riels p riph riques PC etc silabs com Smart Connected Energy friendly REMARQUE IMPORTANTE S il s av re que ces conditions ne peuvent tre respect es pour certaines configurations ou la colocation avec un autre metteur alors l autorisation n est plus consid r e comme valide et l identifiant ne peut plus tre employ sur le produit final Dans ces circonstances l int grateur FEO aura la responsabilit de r valuer le produit final y compris l metteur et d obtenir une autorisation IC distincte tiquetage du produit final L tiquette du module BGM111 porte son propre identifiant IC Si l identifiant IC n est pas visible quand le module est install l int rieur d un autre appareil l ext rieur de l appareil dans lequel le module est install doit aussi porter une tiquette faisant r f rence au module qu il contient Dans ce cas une tiquette comportant les informations suivantes doit tre coll e sur une partie visible du produit final Contient le module metteur IC TBD ou Contient IC TBD L int grateur FEO doit tr
22. nsor Internal battery voltage measurement option Clock generator Real time counter Microcontroller ARM Cortex M4F 40 MHz 32 RAM 256 kB flash Advanced cryptography support Electrical characteristics Supply voltage 1 8V to 3 8V with DC DC bypass mode Supply voltage 2 4V to 3 8V with DC DC 8 2 mA TX current at 0 dBm 7 5 mA RX current 59 uA MHz Energy Mode 0 1 7 pA EM deep sleep current Environmental and regulatory Temperature range 40 C to 85 C Bluetooth CE FCC and IC Japan and South Korea qualified Dimensions Wx Lx H 12 9 mm x 15 0 mm x 2 2 mm 1 1 Applications Sports and fitness health and medical point of sale consumer electronics home automation industrial automation and many more 1 2 Block diagram The block diagram for the BGM111 Bluetooth Smart module is shown below Low Frequency 32 768 kHz Voltage Power on RC Oscillator XTAL Regulator Reset Brownout DC DC Detector Regulators RF Radio Serial yo ers and Trigge Analog Security _ i Antenna External 12 bit ADC Interrupt 1 Msps GPIO Cryotimer 2x Analog GPIOWake up Comparator icis Watchdog 12C z IDAC Real Time Counter and Calendar EM4 4 Figure 1 BGM111 Block diagram silabs com Smart Connected Energy friendly 2 Ordering information Part number Description Features BGM111 Bluetooth
23. pattern top view s mm Figure 11 BGM111 typical 2D radiation pattern top view silabs com Smart Connected Energy friendly 8 3 Physical dimensions module width 12 9mm pod to edge 0 85mm module length 15 0mm Figure 12 Module physical dimensions silabs com Smart Connected Energy friendly pad length 2 4mm pad width 0 8mm pad offset 0 8mm pad center to corner 2 85mm pad offset 0 8mm Figure 13 Recommended PCB land pattern Module height with EMC shield 2 0 mm PCB thickne 0 72 mm Antenna Module height with anlenno 2 0mm Figure 14 BGM111 sideways dimensions silabs com Smart Connected Energy friendly 10 Soldering recommendations BGM111 is compatible with industrial standard reflow profile for Pb free solders The reflow profile used is dependent on the thermal mass of the entire populated PCB heat transfer efficiency of the oven and particular type of solder paste used Consult the datasheet of particular solder paste for profile configurations We will give following recommendations for soldering the module to ensure reliable solder joint and operation of the module after soldering Since the profile used is process and layout dependent the optimum profile should be studied case by case Thus following recommendation should be taken as a starting point guide Refer to technical documentations of particular solder paste for profile configurations Avoid
24. pt any interference received including interference that may cause undesired operation Any changes or modifications not expressly approved by Bluegiga Technologies could void the user s authority to operate the equipment FCC RF Radiation Exposure Statement This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment End users must follow the specific operating instructions for satisfying RF exposure compliance This transmitter meets both portable and mobile limits as demonstrated in the RF Exposure Analysis This transmitter must not be co located or operating in conjunction with any other antenna or transmitter except in accordance with FCC multi transmitter product procedures As long as the condition above is met further transmitter testing will not be required However the OEM integrator is still responsible for testing their end product for any additional compliance requirements required with this module installed for example digital device emissions PC peripheral requirements etc OEM Responsibilities to comply with FCC Regulations The BGM111 Module has been certified for integration into products only by OEM integrators under the following condition The transmitter module must not be co located or operating conjunction with other antenna or transmitter except in accordance with FCC multi transmitter product procedures long as the condition above is met further tr
25. rge pump converters used in RS232 level shifters Charge pump converters typically have strong switching spikes that are difficult to filter out and such spikes may degrade RF performance Note that there is a total of about 4 8 uF of ceramic capacitors on the VDD line inside the module When using low dropout linear regulators to generate a regulated supply for the VDD line the stability of the regulator with the low ESR provided by these capacitors should be checked Many linear regulators and also some switched mode regulators are not stable when using ceramic output capacitors The datasheet of the regulator typically lists recommendations concerning suitable capacitors including data on ESR range and or stability curves A regulator which is stated stable with ceramic capacitors is recommended 4 2 Power saving functions EM power saving modes are automatically controlled by the firmware and it always enters the lowest possible power save mode possible depending on the radio peripheral and software activity 4 3 Reset functions BGM111 can be reset by three different methods by pulling the RESET line low by the internal watchdog timer or software command Reset state in BGM111 does not provide power saving functionality and thus cannot be used to save power BGM111 has an internal system power up reset function The RESET pin includes an on chip pull up resistor and can therefore be left unconnected if no external reset switch or source
26. rgy friendly 26 Timer Counter TIMER TIMER peripherals count events generate PWM outputs The core of each TIMER is a 16 bit counter 2 7 Real Time Counter The Real Time Counter is a 32 bit counter providing timekeeping in all energy modes and it is capable of providing system wake up at user defined instances The RTCC includes 128 bytes of general purpose data retention allowing easy and convenient data storage in all energy modes 2 8 Low Energy Timer LETIMER The unique LETIMER is a 16 bit timer that is available in energy mode EM2 DeepSleep in addition to EM1 Sleep and EMO Active This allows it to be used for timing and output generation when most of the device is powered down allowing simple tasks to be performed while the power consumption of the system is kept at an absolute minimum The LETIMER can be used to output a variety of waveforms with minimal software intervention 2 9 Ultra Low Power Wake up Timer CRYOTIMER The CRYOTIMER is a 32 bit counter that is capable of running in all energy modes It can be clocked by either the 32 768 kHz crystal oscillator LFXO the 32 768 kHz RC oscillator LFRCO or the 1 kHz RC oscillator ULFRCO It can provide periodic Wakeup events and PRS signals which can be used to wake up peripherals from any energy mode The CRYOTIMER provides a wide range of interrupt periods facilitating flexible ultra low energy operation 2 10 Pulse Counter PCNT The Pulse Counter PCNT peripher
27. the BGMt1 11 please follow the following guidelines 1 Place the module at the edge of the PCB as shown in the Error Reference source not found Do not place any metal traces components battery etc within the clearance area of the antenna Connect all the GND pins directly to a solid GND plane Place the GND vias as close to the GND pins as possible a Do not place plastic or any other dielectric material in touch with the Board edge Min 17mm Min 17mm Metal clearance S Figure 5 Recommended layout for BGM111 Figure 6 Poor layouts for BGM111 silabs com Smart Connected Energy friendly 120 100 RANGE of maximum 8 20 0 5 10 15 20 25 30 Amount of GND on the sides of the module mm gt 20 5 Figure 7 Impact of the size of GND plane to range of BGM111 3 2 Effect of plastic and metal materials Do not place plastic or any other dielectric material in touch with the antenna Any metallic objects in close proximity to the antenna will prevent the antenna from radiating freely The minimum recommended distance of metallic and or conductive objects is 10 mm in any direction from the antenna except in the directions of the application PCB ground planes 3 3 Effect of human body Human body is quite conductive and has a strong effect on the antenna If the application is hand held at least 3 mm of
28. threshold rising edge 1 84 1 92 2 00 V Power on reset threshold falling edge 1 80 1 88 1 96 V RESET signal pulse width pulled low 500 ns Table 7 Reset characteristics 7 5 Analog Digital Converter ADC need to be checked from SOC data sheet values Power on Reset ADC input impedance 670 kohm ADC input voltage range 0 2 Vref Resolution programmable 6 12 bits Sampling rate 1 MSps Offset error 1 LSB Differential non linearity 1 1 LSB Integral non linearity 3 3 LSB Table 8 ADC characteristics silabs com Smart Connected Energy friendly 7 6 Current Digital Analog Converter IDAC need to be checked from SOC data sheet values Power on Reset Min Unit Steps per range 31 DAC output current range range 0 0 05 1 6 pA DAC output current range range 1 1 6 4 6 pA DAC output current range range 2 0 5 16 DAC output current range range 3 2 64 Total error continuous mode 1 1 96 Total error duty cycle mode 2 2 96 Settling time to 196 range changed 5 us Settling time to 1 step changed 1 us Table 9 IDAC characteristics 7 7 Power consumption Operation state Current Unit Description Transmit 8dBm 1Mbps TBD mA Transmit OdBm 8 2 mA Receive 7 5 mA Radio off CPU active TBD yA MHz Radio off CPU idle TBD Deep s
29. uired with this module installed for example digital device emissions PC peripheral requirements etc IMPORTANT NOTE In the event that these conditions cannot be met for certain configurations or co location with another transmitter then the IC authorization is no longer considered valid and the IC ID cannot be used on the final product In silabs com Smart Connected Energy friendly these circumstances the OEM integrator will be responsible for re evaluating the end product including the transmitter and obtaining a separate IC authorization End Product Labeling The BGM111 module is labeled with its own ID If the IC ID is not visible when the module is installed inside another device then the outside of the device into which the module is installed must also display a label referring to the enclosed module In that case the final end product must be labeled in a visible area with the following Contains Transmitter Module IC or Contains IC TBD The OEM integrator has to be aware not to provide information to the end user regarding how to install or remove this RF module or change RF related parameters in the user manual of the end product 10 41 Cet metteur radio IC TBD a re u l approbation d Industrie Canada pour une exploitation avec l antenne puce incorpor e est strictement interdit d utiliser d autres types d antenne avec cet appareil Le pr sent appareil est conforme aux CNR
30. using more than one flow Reliability of the solder joint and self alignment of the component are dependent on the solder volume Minimum of 150 um stencil thickness is recommended Aperture size of the stencil should be 1 1 with the pad size A low residue no clean solder paste should be used due to low mounted height of the component If the vias used on the application board have a diameter larger than 0 3 mm it is recommended to mask the via holes at the module side to prevent solder wicking through the via holes Solders have a habit of filling holes and leaving voids in the thermal pad solder junction as well as forming solder balls on the other side of the application board which can in some cases be problematic silabs com Smart Connected Energy friendly 11 Certifications The certifications for the BGM111 Bluetooth Smart module are pending 10 1 Bluetooth Bluetooth qualifications are pending 10 2 CE BGM111 is in conformity with the essential requirements and other relevant requirements of the R amp TTE Directive 1999 5 EC This device is compliant with the following standards Safety EN 60950 e EN 301 489 e Spectrum EN 300 328 e HF Exposure EN 62479 Formal DoC is available from www silabs com 10 3 FCC This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must acce
31. ution is possible using integrated hardware for averaging over multiple samples The ADC includes integrated voltage references and an integrated temperature sensor Inputs are selectable from a wide range of source including pins configurable as either single ended or differential silabs com Smart Connected Energy friendly 214 Digital to Analog Current Converter IDAC The Digital to Analog Current Converter can source or sink a configurable constant current This current can be driven on an output pin or routed to the selected ADC input pin for capacitive sensing The current is programmable between 0 05 and 64 pA with several ranges with various step sizes 2 15 Integrated DC DC Converter DC DC The DC DC buck converter covers a wide range of load currents and provides high efficiency in energy modes EMO EM1 2 and EMG The converter operates in active and bypass operating modes Bypass mode may be entered when the input voltage is too low for efficient operation of the DC DC converter In Bypass mode the DC DC input supply is internally connected directly to its output through a low resistance switch Bypass mode also supports in rush current limiting to avoid dipping the input supply due to excessive current transients silabs com Smart Connected Energy friendly 4 Antenna This section contain design guidelines and recommendations for the BGM1 11 antenna 3 1 PCB design guidelines For optimal performance of
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