Blue Gecko BGM111 Bluetooth Smart Module Data Sheet
Contents
1. 81 CLOCK MANAGEMENT CMU CLKO CMU CLK1 silabs com Smart Connected Energy friendly Preliminary Rev 0 92 6 Blue Gecko BGM111 Bluetooth Smart Module Data Sheet Interfaces 4 Interfaces 4 1 USART The Universal Synchronous Asynchronous Receiver Transmitter is a flexible serial 1 module It supports full duplex asynchronous UART communication with hardware flow control well as SPI If UART is used as BGAPI serial protocol host interface it is strongly recommended to use RTS and CTS signals for reliable data trans mission RX MISO TX MOSI RTS CLK CTS CS Figure 4 1 USART 4 2 Low Energy Universal Asynchronous Receiver Transmitter LEUART The unique LEUART 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 4 3 12C 12C module provides an interface between the MCU and a serial 12 bus It is capable of acting as both a master and a slave Standard mode fast mode and fast mode plus speeds are supported allow2. 14 15 18 29 10 1 Antenna Characteristics 10 2 2D Radiation Pattern Plots 11 Physical Dimensions 12 Soldering Recommendations 13 Certifications 13 1 Bluetooth 13 2 CE 13 3 and IC 13 4 FCC et IC 14 Revision History Table of Contents Table of Contents 18 19 21 23 24 24 24 225 27 28 29 30 SILICON Lass PTE Applications Community amp support v Do you have an innovative idea to keep the world connected Explore Our Featured Products Energy friendly solutions for smarter more connected world Microcontrollers Sensors Power up with energy friendly 32 bit 2 ARMIS Cortex M based and 8051 based 8 bit EFMB MCUs Smart Connected Energy Friendly Products Quality Support and Community www silabs com products www silabs com quality community silabs com Disclaimer Silicon Laboratories intends to provide customers with the latest accurate and in depth documentation of all peripherals and modules available for system and software implementers using or intending to use the Silicon Laboratories products Characterization data available modules and peripherals memory sizes and memory addresses refer to each specific device and Typical parameters provided can and do vary in different applications Application examples described herein are for illustrative purposes only Silicon Laboratories reserves the rig
3. Note When DC DC is enabled supply voltage range is 2 4 V to 3 8 V When DC DC is disabled supply voltage range is 1 8 V to 3 8 V silabs com Smart Connected Energy friendly Preliminary Rev 0 92 8 Blue Gecko BGM111 Bluetooth Smart Module Data Sheet Antenna 5 Antenna This section contain design guidelines and recommendations for the BGM111 antenna silabs com Smart Connected Energy friendly Preliminary Rev 0 92 9 Blue Gecko BGM111 Bluetooth Smart Module Data Sheet Antenna 5 1 PCB Design Guidelines For optimal performance of the BGM111 please follow the following guidelines Place the module at the edge of the PCB as shown in the the figure below 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 Do not place plastic or any other dielectric material in touch with the antenna Board edge Min 17m Min 17mm Figure 5 1 Recommended Layout for BGM111 Figure 5 2 Poor Layouts for BGM111 silabs com Smart Connected Energy friendly Preliminary Rev 0 92 10 Blue Gecko BGM111 Bluetooth Smart Module Data Sheet Antenna 120 100 8 RANGE of maximum 8 8 0 5 10 15 20 25 30 Amount of GND on the sides of the module mm ri o 5mm
4. Error 1 LSB Differential nonlinearity error 1 1 LSB Integral nonlinearity error 3 l 3 LSB Table 9 6 Current Digital Analog Converter IDAC Characteristics Power on Reset Min Typ Max 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 HA DAC output current range range 2 10 5 16 pA DAC output current range range 3 2 64 Total error continuous mode 1 l 1 silabs com Smart Connected Energy friendly Preliminary Rev 0 92 16 Blue Gecko BGM111 Bluetooth Smart Module Data Sheet Electrical Characteristics Power on Reset Min Typ Max Unit Total error duty cycle mode 2 2 Settling time to 1 range changed 5 Hs Settling time to 1 step changed 1 us Power Consumption Table 9 7 Typical Power Consumption of Different Operating Modes Operation state Current Unit Description Transmit 8dBm 1Mbps TBD mA Transmit OdBm 8 2 mA Receive 7 5 mA Radio off CPU active TBD 2 Radio off CPU idle TBD 2 Deep sleep mode TBD RTC running full RAM retention Shutdown mode TBD RTC running 128B RAM retention Full shutdown mode TBD No RAM retention Table 9 8 Typical Power Consumption in Practical Use Cases Operating mode Curren
5. Rev 0 92 27 Blue Gecko BGM111 Bluetooth Smart Module Data Sheet Revision History 14 Revision History Revision 0 9 Preliminary Revision 0 91 Style Changes Revision 0 92 Corrected supply voltage range silabs com Smart Connected Energy friendly Preliminary Rev 0 92 28 Table of Contents 1 Feature List 2 Ordering Information 3 Pinout 3 1 Power Ground and Reset Pins 3 2 GPIO Pins 4 Interfaces 4 1 USART 4 2 Low Energy Universal Asynchronous Receiver Transmitter LEUART 4 3 4 4 Timer Counter TIMER 4 5 Real Time Counter 4 6 Low Energy Timer LETIMER 4 7 Ultra Low Power Wake Up Timer CRYOTIMER 4 8 Pulse Counter PCNT 4 9 General Purpose Input Output GPIO 4 10 Analog Comparator ACMP 4 11 Analog to Digital Converter ADC 4 12 Digital to Analog Current Converter IDAC 4 13 Integrated DC DC Converter DC DC 5 Antenna 5 1 PCB Design Guidelines 5 2 Effect of Plastic and Metal Materials 5 3 Effect of Human Body 6 Hardware Design Guidelines 6 1 Power Supply Requirements 6 2 Power Saving Functions 6 3 Reset Functions 6 4 Debug and Firmware Updates 6 4 1 JTAG 6 4 2 DFU 7 Bluetooth Stack Software 8 Host Interface 8 1 UART 9 Electrical Characteristics 10 RF Characteristics Table of Contents 0 0 D D N N NNN N 11 11 12 12 12 212 12 12 12 13 14
6. V VDD when operating ADC or DAC 1 8 38 IV silabs com Smart Connected Energy friendly Preliminary Rev 0 92 15 Blue Gecko BGM111 Bluetooth Smart Module Data Sheet Electrical Characteristics Logic Signal Characteristics Table 9 3 I O Terminal Electrical Characteristics I O Terminals Min Typ Max Unit Input voltage levels VIL input logic level low 1 7V lt VDD s 3 6V 0 3 0 3VDD V VIH input logic level high 1 7V 5 VDD s 3 6V 0 7 VDD VDD 0 3 Output voltage levels VOL output logic level low Vdd 3 3 V lol 3 mA weak driver 0 2 x VDD V output logic level high Vdd 3 3 V loh 3 mA weak driver 0 8 x VDD V output logic level high Vdd 3 3 V loh 20 mA strong driver 0 2 x VDD iV output logic level high Vdd 3 3 V loh 20 mA strong driver 0 8 x VDD V Table 9 4 Reset Signal Characteristics Power on Reset Min Typ Max Unit Power on reset threshold rising edge 1 84 1 92 12 00 V Power on reset threshold falling edge 1 80 1 88 1 96 V RESET signal pulse width pulled low 500 ns Table 9 5 Analog Digital Converter ADC Characteristics Power on Reset Min Typ Max Unit ADC input impedance 670 kohm ADC input voltage range 0 2 VREF Resolution Programmable 6 12 bits Sampling Rate 1 MSps Offset
7. example digital device emissions PC peripheral requirements etc Please contact www silabs com for detailed information OEM Responsibilities to Comply with FCC and Industry Canada Regulations The BGM111 Module has been certified for integration into products only by OEM integrators under the following conditions The transmitter module must not be co located or operating in conjunction with any other antenna or transmitter except in accord ance with FCC multi transmitter product procedures As long as the two conditions above are met further transmitter testing will not be required However the OEM integrator is still respon sible for testing their end product for any additional compliance requirements required 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 transmit ter then the FCC and Industry Canada authorizations are no longer considered valid and the FCC ID and IC Certification Number 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 and Industry Canada authorization End Product Labeling The BGM111 module is labeled with its own FCC ID and IC Certification Number If the FCC ID and IC Certification Number are not
8. vis vis de toute exigence suppl mentaire avec ce mod ule install par exemple missions de dispositifs num riques exigences relatives aux mat riels p riph riques PC etc REMARQUE IMPORTANTE S il s av re que ces conditions ne peuvent tre respect es pour certaines configurations ou la coloca tion avec un autre metteur alors l autorisation IC n est plus consid r e comme valide et l identifiant IC 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 r ieur 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 tre 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 Preliminary
9. 20 mm Figure 5 3 Impact of the Size of GND Plane to the BGM111 Range 5 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 dis tance 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 5 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 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 Preliminary Rev 0 92 11 Blue Gecko BGM111 Bluetooth Smart Module Data Sheet Hardware Design Guidelines 6 Hardware Design Guidelines The BMG111 is an easy to use module with regard to hardware application design but certain design guidelines must be followed to guarantee optimal performance These guidelines are listed in the next sub sections 6 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 uF capacitor in parallel with the coin cell battery to improve the
10. 4 150 1 2 3 4 5 6 7 Pad Number 10 11 13 14 15 16 17 18 192 3 4 21 22 23 24 25 26 27 28 US1 RX MISO ele RX MISO US1_TX MOSI TX MOSI LEUART 0 LEUO RX L E U 0 TX ele TIMER TIMO CCO TIMO CC1 TIMO CC2 TIMO CDTIO TIMO CDTI1 TIMO CDTI2 ele TIM1 CCO TIM1 CC1 TIM1 CC2 TIM1 LOW ENER
11. GY TIMER LETIMO OUTO LETIMO OUT1 1X 1Y 2X 2Y 3X e 3Y 4 4 1 1X 1Y 2Y ax silabs com Smart Connected Energy friendly Preliminary Rev 0 92 5 Blue Gecko BGM111 Bluetooth Smart Module Data Sheet Pinout GPIO Assignments Port Name PA PB PC PD PF Comment Port Pin 45 11136 7 8 9 10 11 13 14 15 0 1 2 3 4 5 6 7 Pad Number 9 10 11 13 14 15 16 17 18 19 2 3 4 21 22 23 24 25 26 27 28 4 END ADCO 1X 2X 2Y 3X e 4 4Y IDACO 1X 1Y PULSE COUNTER PCNTO 501 N
12. IO Assignments Related to Functionalities and Peripherals GPIO Assignments Port Name PA PB PC PD PF Comment Port Pin 012345 11136 7 8 9 10 11 13 14 15 0 1 2 3 4 5 6 7 Pad Number 5 6 7 8 9 10 11 13 14 15 16 17 18 192 3 4 21 22 23 24 25 26 27 28 BOOTLOADER BOOT_RX DEBUG DBG SWCLKTCK DBG SWDIOTMS DBG SWO DBG TDI DBG WAKE UP GPIO EMAWUO GPIO EMAWU1 GPIO EMAWUA GPIO_EM4WU8 GPIO EMAWUS GPIO EMAWU12 12 12 501 ele I2CO SDA USART 0 UART SPI USO 5 050 CLK CTS CLK RTS CS USO RTS 080 CS USO RX MISO ele RX MISO USO TX MOSI ele TX MOSI USART 1 UART SPI US1 CTS 061 CTS CLK RTS CS US1 RTS US1 CS silabs com Smart Connected Energy friendly Preliminary Rev 0 92 4 Blue Gecko BGM111 Bluetooth Smart Module Data Sheet Pinout GPIO Assignments Port Name PB PC PD PF Comment Port Pin 5 11136 7 8 9 10 11 13 1
13. PI UART and 2 x I2C peripheral interfaces Central and Peripheral Roles Up to 25 x GPIO with interrupts Upto 8 x BLE Connections in Central Role 4 x 12 bit ADC and 1 x 12 bit DAC Internal temperature sensor Internal battery voltage measurement option Clock generator Real time counter Radio Features Integrated Antenna TX Power 8 dBm RX Sensitivity 93 dBm Up to 200 meters LoS range MCU Features Software Features ARM 4 Integrated Bluetooth Smart Stack 40 Mhz Any GATT based Bluetooth Smart Profile 32 kB RAM 100 kbps throughput over BLE 256 kB Flash BGAPI serial protocol API over UART for modem usage Advanced cryptography support BGLIB host which implements BGAPI serial proto Electrical Characteristics i Supply voltage 1 8 V to 3 8 V with DC DC bypass mode Supply voltage 2 4 V to 3 8 V when using DC DC Profile Toolkit for creating GATT based services 82 mA TX current at 0 dBM 7 5 mA RX current 59 pA MHz Energy Mode 0 1 7 uA EM2 deep sleep current BGScript scripting language for standalone usage Environmental Regulatory Temperature range 40C to 85C Bluetooth CE FCC and IC Japan and South Korea qualified Dimensions WxLxH 12 9 mm x 15 0 mm x 2 2 mm silabs com Smart Connected Energy friendly Preliminary Rev 0 92 1 Blue Gecko BGM111 Bluetooth Smart Module Data Sheet Ordering Informa
14. SILICON LABS Blue Gecko BGM111 Bluetooth Smart Module Data Sheet The BGM111 is a Bluetooth Smart module targeted for Bluetooth Smart applications where good RF performance low power consumption and easy application development Sie are key requirements At 8 dBm TX power BGM111 has best in class RF performance and can provide long range robust Bluetooth Smart connectivity LL Software upgradable to Bluetooth 4 2 The BGM111 integrates all of the necessary elements required for a Bluetooth Smart application Bluetooth radio software stack and GATT based profiles and it can also host end user applications which means no external microcontroller is required in size TX power up to 8 dBm RX sensitivity down to 93 dBm price or power constrained devices The BGM111 Bluetooth Smart module also has Range Up to oe meters highly flexible hardware interfaces to connect to different peripherals or sensors CPU core 32 bit ARM Cortex M4 Flash memory 256 kB Although the BGM111 Bluetooth Smart Module is targeted at applications requiring high RAM 32 RF performance it still has ultra low power consumption and can be operated using a standard 3 V coin cell battery Autonomous Hardware Crypto Accelerator and True Random Number Generator BGM111 can be used in a wide variety of applications Integrated DC DC Converter Health and Fitness Automotive Aftermarket e Point of Sales Industria
15. Smart Module Data Sheet RF Characteristics 2D pattern top view 5 dB 2 0dB 5 dB 10 dB 15 dB 20 dB 16 mm 50 mm Figure 10 3 Typical 2D Radiation Pattern Top View silabs com Smart Connected Energy friendly Preliminary Rev 0 92 20 Blue Gecko BGM111 Bluetooth Smart Module Data Sheet Physical Dimensions 11 Physical Dimensions module width 12 9mm pad to edge 0 85mm module length 15 0mm Figure 11 1 Module Physical Dimensions pad length 2 4mm pad width 0 8mm Figure 11 2 Module Recommended PCB Pad Pattern silabs com Smart Connected Energy friendly Preliminary Rev 0 92 Blue Gecko BGM111 Bluetooth Smart Module Data Sheet Physical Dimensions 0 8mm PCB Figure 11 3 Module Side View Dimensions silabs com Smart Connected Energy friendly Preliminary Rev 0 92 22 Blue Gecko BGM111 Bluetooth Smart Module Data Sheet Soldering Recommendations 12 Soldering Recommendations The BGM111 is compatible with industrial standard reflow profile for Pb free solders The reflow profile used is dependent on the ther mal mass of the entire populated PCB heat transfer efficiency of the oven and particular type of solder paste used Consult the data sheet of particular solder paste for profile configurations The following recommendations for soldering the module to ensure reliable solder joint and operation of the module after soldering Since
16. ary Rev 0 92 25 Blue Gecko BGM111 Bluetooth Smart Module Data Sheet Certifications 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 body 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 The antenna 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 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 respon sible for testing their end product for any additional compliance requirements required with this module installed for example digital device emissions PC peripheral requirements etc 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 t
17. battery life time Notice that the total current consump tion of your application is a combination of the radio peripherals and MCU current consumption so you must take all of these into ac count BGM111 should be 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 charge pump converters used in RS232 level shifters If this type of switching noise is present a power filter circuit on the VDD input is recommended Note that there is a total of about 4 8 uF of low ESR 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 includ ing data on ESR range and or stability curves A regulator which is stated stable with ceramic capacitors is recommended 6 2 Power Saving Functions EM power savin
18. d trademarks of Silicon Laboratories Inc ARM CORTEX Cortex M3 and THUMB are trademarks or registered trademarks of ARM Holdings Keil is a registered trademark of ARM Limited All other products or brand names mentioned herein are trademarks of their respective holders Silicon Laboratories Inc 400 West Cesar Chavez Austin TX 78701 USA SILICON LABS
19. e 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 52 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 BGM111 a t certifi pour une int gration dans des produits uniquement par les int grateurs FEO dans les conditions sui vantes La ou les antennes doivent tre install es de telle facon qu une distance de s paration minimum de 15 mm soit maintenue entre le radiateur antenne et toute personne tout moment Le module metteur ne doit pas tre install au m me endroit ou fonctionner conjointement avec toute autre antenne ou metteur D s lors que les deux conditions ci dessus sont respect es d autres tests de l metteur ne sont pas obligatoires Cependant il in combe toujours l int grateur FEO de tester la conformit de son produit final
20. etooth Smart Ready Software Stack Note To learn more about the Bluetooth Smart software stack the SDK and the APIs please read QSG108 Blue Gecko Bluetooth Smart Software Quick Start Guide silabs com Smart Connected Energy friendly Preliminary Rev 0 92 13 Blue Gecko BGM111 Bluetooth Smart Module Data Sheet Host Interface 8 Host Interface 8 1 UART The BGM111 can be controlled over the UART interface as a peripheral to an external processor In order for the communication to be reliable hardware flow control signals RTS and CTS must be present between the host and the module For baud rates exceeding 115 200 kbps the controlling processor should have a clock frequency accurate to within 196 in order for the UART signaling to work reliably silabs com Smart Connected Energy friendly Preliminary Rev 0 92 14 Blue Gecko BGM111 Bluetooth Smart Module Data Sheet Electrical Characteristics 9 Electrical Characteristics Table 9 1 Absolute Maximum Ratings Parameter Min Max Unit Storage temperature 50 150 C VDD 0 3 3 8 V 5V tolerant GPIO voltages 0 3 5 251 V Other terminal voltages 0 3 VDD 0 3 V Note 1 5 25 V or VDD 2 V whichever is less Table 9 2 Recommended Operating Conditions Rating Min Max Unit Operating temperature range 40 85 when using internal DC DC 2 4 38 VDD when DC DC is in bypass mode 1 8 3 8
21. g modes are automatically controlled by the firmware and it always enters the lowest possible power save mode possi ble depending on the radio peripheral and software activity 6 3 Reset Functions The BGM111 can be reset by three different methods by pulling the RESET line low by the internal watchdog timer or software com mand The reset state in BGM111 does not provide any power saving functionality and thus is not recommended as a means to con serve 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 is needed 6 4 Debug and Firmware Updates 6 4 1 JTAG It is recommended to expose the JTAG debug pins in your own hardware design for firmware update and debug purposes The follow ing 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 con nected to supply or ground If enabling the JTAG pins the module must be power cycled to enable a SWD debug session Table 6 1 JTAG Pads 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 PF1 22 TMS Pin is enabled after reset and has a built in pull up PFO 21 TCK Pin is enabled after re
22. he IC ID cannot be used on the final product In these circumstances the OEM integra tor 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 IC 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 silabs com Smart Connected Energy friendly Preliminary Rev 0 92 26 Blue Gecko BGM111 Bluetooth Smart Module Data Sheet Certifications 13 4 FCC et IC Cet metteur radio IC TBD a recu l approbation d Industrie Canada pour une exploitation avec l antenne puce incorpor e II est strictement interdit d utiliser d autres types d antenne avec cet appareil Le pr sent appareil est conforme aux CNR 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 d
23. ht to make changes without further notice and limitation to product information specifications and descriptions herein and does not give warranties as to the accuracy or completeness of the included information Silicon Laboratories shall have no liability for the consequences of use of the information supplied herein This document does not imply or express copyright licenses granted hereunder to design or fabricate any integrated circuits The products must not be used within any Life Support System without the specific written consent of Silicon Laboratories A Life Support System is any product or system intended to support or sustain life and or health which if it fails can be reasonably expected to result in significant personal injury or death Silicon Laboratories products are generally not intended for military applications Silicon Laboratories products shall under no circumstances be used in weapons of mass destruction including but not limited to nuclear biological or chemical weapons or missiles capable of delivering such weapons Trademark Information Silicon Laboratories Inc Silicon Laboratories Silicon Labs SiLabs and the Silicon Labs logo CMEMS EFM EFM32 EFR Energy Micro Energy Micro logo and combinations thereof the world s most energy friendly microcontrollers Ember EZLink EZMac EZRadio EZRadioPRO DSPLL ISOmodem Precision32 ProSLIC SiPHY USBXpress and others are trademarks or registere
24. ing transmission rates from 10 kbit s up to 1 Mbit s EFR I C MASTER SLAVE SCL SDA EEPROM Figure 4 2 2 4 4 Timer Counter TIMER TIMER peripherals count events generate PWM outputs The core of each TIMER is a 16 bit counter silabs com Smart Connected Energy friendly Preliminary Rev 0 92 7 Blue Gecko BGM111 Bluetooth Smart Module Data Sheet Interfaces 4 5 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 4 6 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 per formed 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 4 7 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 Wa
25. keup events and PRS signals which can be used to wake up peripherals from any energy mode The CRYOTIMER provides a wide range of inter rupt periods facilitating flexible ultra low energy operation 4 8 Pulse Counter PCNT The Pulse Counter PCNT peripheral can be used for counting pulses on a single input or to decode quadrature encoded inputs 4 9 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 4 10 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 high er 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 ab
26. l and Home Automation Consumer Electronics Others Clock Ma Crystals 38 400MHz ARM Cortex M4 4 arid PORTE XTAL Floating Point Unit Protection Unit Low Frequency Low Frequency 32 768 kHz Voltage Power on Crystal Oscillator RC Oscillator XTAL Regulator Reset 256kB Flash 32 RAM 1 Brownout DC DC Ultra Low Frequency RC Oscillator Detector Regulators 32 bitbus qum mE Sa Peripheral Reflex System RF Radio Serial y o Timers and Triggers Analog Security Antenna BT Smart Modem ey i pagi r AN IGI Matching integrated Front end incl SES AS Wire Pers sind network Power Amplifier Low Energy GPIO Cryotimer 2 x Analog AES 259128 2 Comparator 2 Integrated BALUN i GPIO Wake up Pulse AE Counter Watchdog Timer SHA1 Pin IDAC SHA2 Reset Real Time Counter and Calendar ECC EMO EM1 EM2 EM3 4 EM4 down to Run Mode Sleep Deep Sleep Stop Mode silabs com Smart Connected Energy friendly Preliminary Rev 0 92 This information applies to a product under development Its characteristics and specifications are subject to change without notice Blue Gecko BGM111 Bluetooth Smart Module Data Sheet Feature List 1 Feature List The highlighted features are listed below Bluetooth Features Harware Interfaces Bluetooth 4 1 Compliant UART host interface Software Upgradable to Bluetooth 4 2 2x S
27. ns Pad Number Function Description 29 VDD Module power supply 1 12 20 31 GND Ground connected together internally but should all be connected directly to a solid ground plane with vias in close proximity to the pads especially on the antenna end 30 RESET Module reset signal Pulling RESET low will reset the internal processor This pin has an internal pull up and can be left floating if not needed silabs com Smart Connected Energy friendly Preliminary Rev 0 92 3 Blue Gecko BGM111 Bluetooth Smart Module Data Sheet Pinout 3 2 GPIO 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 communica tion 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 Table 3 2 BGM111 GP
28. ove a programmable threshold 4 11 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 out put sample resolution is configurable and additional resolution is possible using integrated hardware for averaging over multiple sam ples 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 4 12 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 pA and 64 pA with several ranges with various step sizes 4 13 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 EM2 and EM3 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
29. s Safety EN 60950 EMC EN 301 489 Spectrum EN 300 328 RF Exposure EN 62479 Formal DoC is available from www silabs com silabs com Smart Connected Energy friendly Preliminary Rev 0 92 24 Blue Gecko BGM111 Bluetooth Smart Module Data Sheet Certifications 13 3 FCC and IC 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 accept any interference received including interference that may cause undesired operation Any changes or modifications not expressly approved by Silicon Labs 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 specif ic operating instructions for satisfying RF exposure compliance This transmittermeets 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 require ments required with this module installed for
30. set and has a built in pull down 6 4 2 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 Preliminary Rev 0 92 12 Blue Gecko BGM111 Bluetooth Smart Module Data Sheet Bluetooth Stack Software 7 Bluetooth Stack Software Silicon Labs Bluetooth Smart Software is a complete Bluetooth Smart software stack for the BGM111 Bluetooth Smart module The software implements a full Bluetooth LE compatible stack and L2CAP RFCOMM SMP and ATT protocols along with any GATT based Bluetooth Smart profiles The Bluetooth Smart Ready Software also is supported by a complete SDK for developing Bluetooth Smart applications using either an external host with the 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 Application BGScript application BGLIB API BGScript API BGAPI serial protocol Security Generic Access Profile E Stack Hardware Figure 7 1 Blu
31. t Unit Description LE advertising discoverable TBD LE connected master TBD LE connected slave TBD silabs com Smart Connected Energy friendly Preliminary Rev 0 92 17 Blue Gecko BGM111 Bluetooth Smart Module Data Sheet RF Characteristics 10 RF Characteristics Table 10 1 Supported Frequencies and Channels Parameter Min Max Unit Frequency 2402 2480 MHz Table 10 2 Typical Receiver Sensitivity Packet type 40 C 20 C 85 C Unit Table 10 3 Transmitter Output Power at Maximum Setting Modulation type Min Typ Max Unit LE 6 5 8 9 10 1 Antenna Characteristics Table 10 4 BGM111 Antenna Efficiency and Peak Gain Parameter With optimal layout Note Efficiency 2 dB Efficiency and peak gain depend on the application PCB layout and mechanical design Peak gain 1 dBi silabs com Smart Connected Energy friendly Preliminary Rev 0 92 18 Blue Gecko BGM111 Bluetooth Smart Module Data Sheet RF Characteristics 10 2 2D Radiation Pattern Plots 2D pattern front view 5 dB C 0dB 5dB 10 dB 15 dB 20dB 4 25 dB 08 Figure 10 1 Typical 2D Radiation Pattern Front View 2D pattern side view Figure 10 2 Typical 2D Radiation Pattern Side View Preliminary Rev 0 92 19 silabs com Smart Connected Energy friendly Blue Gecko BGM111 Bluetooth
32. the profile used is process and layout dependent the optimum profile should be studied case by case Thus following recommen dation should be taken as a starting point guide Refer to technical documentations of particular solder paste for profile configurations Avoid 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 mm 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 them at the module side to prevent solder wicking through the via holes Solders have a tendency to fill holes and leave voids in the thermal pad solder junction as well as form solder balls on the other side of the application board which can in some cases be problematic silabs com Smart Connected Energy friendly Preliminary Rev 0 92 23 Blue Gecko BGM111 Bluetooth Smart Module Data Sheet Certifications 13 Certifications Note The certification for the BGM111 are pending 13 1 Bluetooth Bluetooth qualifications are pending 13 2 CE The 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 standard
33. tion 2 Ordering Information Part Number Description Features BGM111A256V1 BGM111 Bluetooth Smart Mod Radio Bluetooth Smart 4 1 8 dBm TX ule with internal chip antenna Cut reel Core ARM Cortex M4 Memory 32 kB RAM 256 kB flash Antenna chip Packaging 100 pcs cut reel Status pre production samples Production PN BGM111A256V2 BGM111A256V1R BGM111 Bluetooth Smart Mod Radio Bluetooth Smart 4 1 8 dBm TX ule with internal chip antenna Full reel Core ARM Cortex M4 Memory 32 kB RAM 256 kB flash Antenna chip Packaging 1000 pcs tape and reel Status pre production samples Production PN BGM111A256V2R SLWSTK6101A Blue Gecko Bluetooth Smart BGM111 radio board module development kit WSTK main board Expansion board buttons leds accelerometer joystick Accessories silabs com Smart Connected Energy friendly Preliminary Rev 0 92 2 Blue Gecko BGM111 Bluetooth Smart Module Data Sheet Pinout 3 Pinout This section contains a description of the BGM111 pin out Each pin may have one or more functions which are all listed in tables The pin out is shown in the figure below BGM111 TOP VIEW lt e 19 1 2 3 4 5 6 7 8 9 ejeje n 13 14 15 16 17 18 19 Figure 3 1 BGM111 Pinout Top View 3 1 Power Ground and Reset Pins Power supply ground and reset signal related pins are listed in the table below Table 3 1 Power Ground and Reset Pi
34. 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 or Contains FCC ID 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 To comply with FCC and Industry Canada RF radiation exposure limits for general population the antenna s used for this transmitter must be installed such that a minimum separation distance of 15 mm FCC 20 mm IC is maintained between the radiator antenna and all persons at all times and must not be co located or operating in conjunction with any other antenna or transmitter IC This radio transmitter has been approved by Industry Canada to operate with the embedded 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 silabs com Smart Connected Energy friendly Prelimin
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