S9NIDB04A1Bluetooth Low energy expansion board based on BlueNRG for STM32 Nucleo

UM1765 User manual Bluetooth low energy expansion board based on BlueNRG for STM32 Nucleo Introduction This document provides detailed hardware requirements and board connections for the X- NUCLEO-IDB04A1 Bluetooth ® low energy (BLE) evaluation board based on BlueNRG for STM32 Nucleo. This board is part of STMicroelectronics’ offering of evaluation boards designed around the BlueNRG Bluetooth low energy wireless network processor. The excellent performance of BlueNRG and the best matching between BlueNRG and BALF-NRG, X-NUCLEO-IDB04A1 passed the RF TEST for Japan Radio Law certification with higher margin above the specification values as well as it is FCC certified (FCC ID: S9NIDB04A1). Figure 1. X-NUCLEO-IDB04A1 evaluation board Other BlueNRG evaluation boards are available in the following kits: STEVAL-IDB002V1: BlueNRG development platform STEVAL-IDB003V1: BlueNRG USB dongle April 2015 DocID026346 Rev 4 1/15 www.st.com Contents UM1765 Contents 1 Board Description and Getting started . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1 Hardware requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.2 System requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2 Hardware description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2.1 X-NUCLEO-IDB04A1 board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2.1.1 Current measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3 Formal Notices Required by the U.S. Federal Communications Commission (“FCC”) . . . . . . . . . . . . . . . . . . . . . . . . . 7 4 Operational description and block diagram . . . . . . . . . . . . . . . . . . . . . . 8 5 List of acronyms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 6 Board schematic and bill of material . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 7 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 2/15 DocID026346 Rev 4 UM1765 Getting started 1 Board Description and Getting started The X‐NUCLEO‐IDB04A1 is a Bluetooth low energy evaluation board to allow expansion of the STM32 Nucleo boards. It is compatible with the Arduino UNO R3 connector layout, and is designed around BlueNRG, a Bluetooth low energy, low power network coprocessor compliant with BTLE 4.0 and the BALF‐NRG‐01D3, an ultra‐miniature balun optimized for ST BlueNRG RFIC, which integrates matching network and harmonics filter. The X‐NUCLEO‐IDB04A1 interfaces with the STM32 MCU via SPI pin, and the user can change the default SPI clock, the SPI chip select and SPI IRQ by changing one resistor on the evaluation board. The excellent performance of BlueNRG and the best matching between BlueNRG and BALF‐NRG, X‐NUCLEO‐IDB04A1 passed the RF TEST for Japan Radio Law certification with higher margin above the specification values as well as it is FCC certified (FCC ID: S9NIDB04A1). Key features:  BlueNRG low power, low energy Bluetooth network coprocessor  BALF‐NRG‐01D3 balun & harmonic filter  Free comprehensive development firmware library and example for BlueNRG, compatible with STM32Cube firmware  Bluetooth low energy 4.0 master and slave compliant  Compatible with STM32 Nucleo boards  Equipped with Arduino UNO R3 connector  Very low power consumption: 7.3 mA RX and 8.3 mA TX at +0 dBm  Maximum transmission power: +8 dBm  Excellent receiver sensitivity (‐88 dBm)  X‐NUCLEO‐IDB04A1 is officially certificated as a BTLE 5mW module for Japan Radio Law “TYPE” Certification by Japan government.  X‐NUCLEO‐IDB04A1 is FCC certified (FCC ID: S9NIDB04A1)  RoHS compliant Figure 1 - Functional Block Diagram This section describes the hardware requirements for the X-NUCLEO-IDB04A1 evaluation board. UM1765 Getting started 1.1 Hardware requirements The X-NUCLEO-IDB04A1 is an expansion board for use with STM32 Nucleo boards (please refer to UM1724 on www.st.com for further information). To function correctly, the STM32 Nucleo board must be connected to the X-NUCLEO-IDB04A1 board as shown in Figure 2 below. Figure 2. X-NUCLEO-IDB04A1 plugged to STM32 Nucleo board The interconnection between the STM32 Nucleo and the X-NUCLEO-IDB04A1 has been designed to permit the use of any STM32 Nucleo board, although the optimal combination is obtained using the NUCLEO-L152RE or NUCLEO-L053R8 hosting the ultra-low power STM32. DocID026346 Rev 4 3/15 Getting started UM1765 1.2 System requirements Using the Nucleo boards with the X-NUCLEO-IDB04A1 expansion board requires the following software and hardware: a Windows PC (XP, Vista, 7, 8) to install the software package a USB type A to Mini-B USB cable to connect the Nucleo to the PC Installation of the board firmware package (order code: X-CUBE-BLE1) and the BlueNRG graphical user interface utility on the user’s PC requires the following: At least 128 MB of RAM 40 MB of hard disk space available The X-CUBE-BLE1 firmware and related documentation is available on www.st.com. 4/15 DocID026346 Rev 4 UM1765 Hardware description 2 Hardware description This section describes the X-NUCLEO-IDB04A1 features and provides information which could be useful for understanding the board schematics. 2.1 X-NUCLEO-IDB04A1 board The board allows the user to test the functionality of the BlueNRG processor. It hosts the innovative BALF-NRG-01D3 balun & harmonic filter and its functionality can be exploited using the firmware package contained in the X-CUBE-BLE1. It is fundamental to program the microcontroller on the STM32 Nucleo board. Please refer to user manuals UM1724 and UM1725, available on www.st.com. The BlueNRG processor and the STM32 Nucleo board are connected through connectors CN5, CN6, CN8 and CN9 (see Table 1 for details). The pins indicated with an asterisk (*) represent an alternative pin for that specific function, i.e. SPI_IRQ…

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Via C. Olivetti, 2, 20864 Agrate Brianza (MB), Italy

SCS-F19: Confidentiality Request Letter Page 1 of 2 Rev 3.0 775 Montague Expressway Milpitas, CA 95035 Tel: 408-526-1188 Fax: 408-526-1088 Email: [email protected] Confidentiality Request Letter Reason for Amendment (current / obsolete) Revision History Approved Date From To Initial Release (obsolete) 1.0 1.0 Nov-14-2006 Adding CFR 2.459 (obsolete) 1.0 2.0 August – 11 - 2008 Updated company template & Added text box (current) 2.0 3.0 Jan-31-2012 SCS-F19: Confidentiality Request Letter Page 2 of 2 Rev 3.0 April 20, 2015 To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD Subject: Permanent Confidentiality Request for FCC ID: S9NIDB04A1 We hereby request confidential treatment of information accompanying this application as outlined below: - Block Diagram - Schematics - Operational Description The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 & 0.459 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely,

Date: April 20, 2015 To: Federal Communications Commission 7435 Oakland Mills Road Columbia, MD FCC ID: S9NIDB04A1 To Whom It May Concern: This letter is to ascertain that ST Microelectronics S.R.L. Product Bluetooth BLE 4.0, has been the units used for conducting FCC compliance testing, the DoC part will be tested by FCC recognized test lab. If you have any question or concerns, pls. contact us. Sincerely,

FCC Test Report Report No.: RF-D230-1501-214 CENTRAL RESEARCH TECHNOLOGY CO. Page : A2-1 No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. TEL. : 886-2-25984542 FAX. : 886-2-25984546 Attachment 2 External Photographs of EUT FCC Test Report Report No.: RF-D230-1501-214 CENTRAL RESEARCH TECHNOLOGY CO. Page : A2-1 No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. TEL. : 886-2-25984542 FAX. : 886-2-25984546 FCC Test Report Report No.: RF-D230-1501-214 CENTRAL RESEARCH TECHNOLOGY CO. Page : A2-2 No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. TEL. : 886-2-25984542 FAX. : 886-2-25984546

Laabel location

FCC Test Report Report No.: RF-D230-1501-214 CENTRAL RESEARCH TECHNOLOGY CO. No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. Page : A3- TEL. : 886-2-25984542 FAX. : 886-2-25984546 0 Attachment 3 Internal Photographs of EUT FCC Test Report Report No.: RF-D230-1501-214 CENTRAL RESEARCH TECHNOLOGY CO. No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. Page : A3- TEL. : 886-2-25984542 FAX. : 886-2-25984546 1 FCC Test Report Report No.: RF-D230-1501-214 CENTRAL RESEARCH TECHNOLOGY CO. No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. Page : A3- TEL. : 886-2-25984542 FAX. : 886-2-25984546 2

FCC Test Report Report No.: RM- D230-1501-214 CENTRAL RESEARCH TECHNOLOGY CO. Page : A4- No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. TEL. : 886-2-25984542 FAX. : 886-2-25984546 1 RF Exposure Evaluation for Bluetooth BLE 4.0 Model Number : X-NUCLEO-IDB04A1 FCC ID : S9NIDB04A1 Report Number : RM-D230-1501-214 Prepared for ST Microelectronics S.R.L. Via C. Olivetti, 2, 20864 Agrate Brianza (MB), Italy Prepared by Central Research Technology Co. EMC Test Laboratory No.11, Lane41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. NVLAP LAB CODE 200575-0 This report shall not be reproduced, except in full, without the written approval of Central Research Technology Co.. It may be duplicated completely in its entirely for legal use with the permission of the applicant. It should not be used to claim product endorsement by NVLAP, NIST or any U.S. government agency. The test result in the report applies only to the sample tested. FCC Test Report Report No.: RM- D230-1501-214 CENTRAL RESEARCH TECHNOLOGY CO. Page : A4- No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. TEL. : 886-2-25984542 FAX. : 886-2-25984546 2 1.1 Applied standards The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] · [√f(GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR,25 where • f(GHz) is the RF channel transmit frequency in GHz • Power and distance are rounded to the nearest mW and mm before calculation26 • The result is rounded to one decimal place for comparison • 3.0 and 7.5 are referred to as the numeric thresholds in the step 2 below 1.2 Exposure Evaluation: Max tune up power (average)= 3±1.5dBm =>Max is 4.5dBm=2.82mW test separation distance=5mm f=2.48GHz 2.82/5＊√2.48=0.89< 3 Conclusion: No SAR required.

FCC Test Report Report No.:RF-D230-1501-214 CENTRAL RESEARCH TECHNOLOGY CO. Page : 1/59 No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. TEL. : 886-2-25984542 FAX. : 886-2-25984546 FCC Test Report for Bluetooth BLE 4.0 Model Number : X-NUCLEO-IDB04A1 FCC ID : S9NIDB04A1 Report Number : RF-D230-1501-214 Date of Receipt : March 30, 2015 Date of Report : April 27, 2015 Prepared for ST Microelectronics S.R.L. Via C. Olivetti, 2, 20864 Agrate Brianza (MB), Italy Prepared by Central Research Technology Co. EMC Test Laboratory No.11, Lane41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. NVLAP LAB CODE 200575-0 This report shall not be reproduced, except in full, without the written approval of Central Research Technology Co.. It may be duplicated completely in its entirely for legal use with the permission of the applicant. It should not be used to claim product endorsement by NVLAP, NIST or any U.S. government agency. The test result in the report applies only to the sample tested. FCC Test Report Report No.:RF-D230-1501-214 CENTRAL RESEARCH TECHNOLOGY CO. Page : 2/59 No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. TEL. : 886-2-25984542 FAX. : 886-2-25984546 Verification of Compliance Equipment under Test : Bluetooth BLE 4.0 Model No. : X-NUCLEO-IDB04A1 FCC ID : S9NIDB04A1 Manufacturer : ST Microelectronics S.R.L. Applicant : ST Microelectronics S.R.L. Address : Via C. Olivetti, 2, 20864 Agrate Brianza (MB), Italy Applicable Standards : 47 CFR part 15, Subpart C ANSI 63.10:2009 Date of Testing : April 2~7, 2015 Deviation : N/A Condition of Test Sample : Mass Production We, Central Research Technology Co., hereby certify that one sample of the designated product was tested in our facility during the period mentioned above. The test records, data evaluation and Equipment Under Test (EUT) configurations shown in the present report are true and accurate representation of the measurements of the sample’s RF characteristics under the conditions herein specified. The test results show that the EUT as described in the present report is in compliance with the requirements set forth in the standards mentioned above and apply to the tested sample identified in the present report only. The test report shall not be reproduced, except in its entirety, without the written approval of Central Research Technology Co. FCC Test Report Report No.:RF-D230-1501-214 CENTRAL RESEARCH TECHNOLOGY CO. Page : 3/59 No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. TEL. : 886-2-25984542 FAX. : 886-2-25984546 Contents 1 General Description .............................................................................................. 5 1.1 General Description of EUT .................................................................................. 5 1.2 Applied standards ................................................................................................. 6 1.3 The Support Units ................................................................................................. 8 1.4 Layout of Setup ..................................................................................................... 8 1.5 Test Capability ....................................................................................................... 9 1.6 Measurement Uncertainty .................................................................................. 11 2 Conducted Emission Measurement .................................................................. 12 2.1 Applied Standard ................................................................................................. 12 2.2 Test Instruments .................................................................................................. 13 2.3 Test Procedures .................................................................................................. 14 2.4 Test Configurations ............................................................................................. 15 2.5 Test Results ......................................................................................................... 16 3 6dB Bandwidth .................................................................................................... 18 3.1 Applied standard ................................................................................................. 18 3.2 Test Instruments ................................................................................................. 18 3.3 Measurement Procedure .................................................................................... 19 3.4 Test configuration ............................................................................................... 19 3.5 Test Data .............................................................................................................. 20 4 Maximum Peak Output Power ............................................................................ 22 4.1 Applied standard ................................................................................................. 22 4.2 Test Instruments ................................................................................................. 22 4.3 Measurement Procedure .................................................................................... 23 4.4 Test configuration ............................................................................................... 23 4.5 Test Data .............................................................................................................. 24 5 Peak Power Spectral Density ............................................................................. 26 5.1 Applied standard ................................................................................................. 26 5.2 Test Instruments ................................................................................................. 26 5.3 Measurement Procedure ......…

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FCC Test Report Report No.: RF-D230-1501-241 CENTRAL RESEARCH TECHNOLOGY CO. Page : A1-1 No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. TEL. : 886-2-25984542 FAX. : 886-2-25984546 Attachment 1 Photographs of the Test Configurations FCC Test Report Report No.: RF-D230-1501-241 CENTRAL RESEARCH TECHNOLOGY CO. Page : A1-2 No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. TEL. : 886-2-25984542 FAX. : 886-2-25984546 Contents 1. Power Line Conducted Emission Measurement ...................................... 1 2. Radiated Emission Measurement ............................................................. 2 FCC Test Report Report No.: RF-D230-1501-241 CENTRAL RESEARCH TECHNOLOGY CO. Page : A1-1 No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. TEL. : 886-2-25984542 FAX. : 886-2-25984546 1. Power Line Conducted Emission Measurement FCC Test Report Report No.: RF-D230-1501-241 CENTRAL RESEARCH TECHNOLOGY CO. Page : A1-2 No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. TEL. : 886-2-25984542 FAX. : 886-2-25984546 2. Radiated Emission Measurement Below 1GHz FCC Test Report Report No.: RF-D230-1501-241 CENTRAL RESEARCH TECHNOLOGY CO. Page : A1-3 No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. TEL. : 886-2-25984542 FAX. : 886-2-25984546 Above 1GHz