STEVAL-BLUEMIC-1 STMicroelectronics

STEVAL-BLUEMIC-1 Data brief Ultra-low power Bluetooth low energy microphone based on SPBTLE-1S certified module Features Bluetooth SMART small form factor board based on the SPBTLE-1S module, Bluetooth v4.2 compliant On-board SPBTLE-1S module, based on BlueNRG-1, Bluetooth low energy application processor system on chip embedding: an ultra-low power ARM Cortex -M0 32-bit core architecture programmable embedded 160 KB Flash 24 KB embedded RAM with data retention On-board MP34DT05-A (or MP34DT04-C1 in the first generation board) digital MEMS microphone On-board LSM6DSL: MEMS 3D accelerometer (2 / 4 / 8 / 16 g) plus 3D gyroscope (125 / 245 / 500 / 1000 / 2000 dps) Voltage supply: 1V8 or 3V3 Battery or USB powered 100 mAh Li-Ion battery On-board STBC08 linear Li-Ion battery charger SWD connector Included in the development kit package: STEVAL-BLUEMIC-1 Plastic box for housing STEVAL-BLUEMIC-1 100 mAh Li-Ion battery SWD programming cable Summary table SW development kit for audio and inertial MEMS data streaming over BLE BlueNRG-1 very low BlueNRG-1 ST BlueMS: Android and iOS demo App available in the respective stores power Bluetooth low energy single mode CE certified system-on-chip RoHS and China RoHS compliant embedding a high Contains Transmitter Module FCC (ID: S9NSPBTLE1S) certified performance Contains Transmitter Module IC (IC: 8976C-SPBTLE1S) certified STSW-BLUEMIC-1 STSW- evaluation software BLUEMIC-1 package Description STSW-BLUENRG1-DK STSW- The STEVAL-BLUEMIC-1 evaluation board mounts the SPBTLE-1S Bluetooth software package BLUENRG1- DK SMART application processor compliant with BT specification v4.2. It supports multiple simultaneous roles and can act as a Bluetooth Smart master and slave MP34DT05-A ultra- MP34DT05-A device at the same time. compact, low-power, omnidirectional, digital This BLE wireless battery powered solution also embeds digital MEMS microphone MEMS microphone MP34DT05-A (or MP34DT04-C1 in the first generation board) and 3D accelerometer + 3D gyroscope, which render this evaluation board suitable for a wide range of LSM6DSL 3-axis LSM6DSL accelerometer and advanced smart applications. gyroscope The evaluation board comes with a SW development kit that includes the Bluetooth STEVAL-BLUEMIC-1 STEVAL- low energy stack, all the drivers for audio and inertial data acquisition, and button and evaluation board BLUEMIC-1 LED management. A ready-to-use BlueVoice library is included as middleware and a sample application is provided to get you started with voice streaming over BLE to an Android or iOS device, running the ST BlueMS apps. DB3334 - Rev 3 - February 2018 www.st.com For further information contact your local STMicroelectronics sales office.STEVAL-BLUEMIC-1 Schematic diagrams 1 Schematic diagrams Figure 1. Power and SPBTLE-1S module 4 GND 7 PAD ANATEST1 14 13 DIO10/TMS/SWTDI 12 DIO9/TCK/SWTCK 11 DIO11/UART RXD 10 DIO8/UART TXD 9 DIO6/UART RTS 8 GND 7 DIO7/BOOT/UART CTS 6 DIO14/ANATEST0 DB3334 - Rev 3 page 2/5 USB, SWD, Battery monitor Battery Charger VBlue V USB SWD V USB VBat V USB VBat USB-MICRO USB U1 STBC08PMR R8 R15 1 1 0R NC SWDCLK 2 2 6 1 Vcc BAT 3 3 5 PROG SWDIO 4 4 RESET 5 5 C7 CHRG 3 C9 CHRG 2 R13 PWR ON 4.7F 20K 4.7F VPROG = 1V IBAT=(VPROG/RPROG)x1000 VBat RPROG=1000*VPROG/IBAT VBat R11 Battery monitor 140K (4.2V -> 1.8V) Battery Connector 1 VBAT V USB R14 VBAT CHRG 2K 1 ADC IN2 2 1 CHRG 2 3 1 GND GND BATT1 R12 105K BlueNRG-1 Module Footprint VBlue U3 SPBTLE-1S R5 4K7 VBlue VBlue ADC IN2 VBat VBat 1 20 U2 LDK120M-R R16 ADC IN2 DIOA12 2 19 Max 200mA RESET SW1 0R ADC IN1 BT RESET 3 18 1 5 I2C SCL BUTTON1 DIO4/I2C CLK DIO1/SPI CS IN OUT 4 17 3 C8 I2C SDA DIO5/I2C SDA DIO3/SPI MISO LED1 EN 5 16 4 R1 VBLUE DIO2/SPI MOSI LED2 ADJ 15 100nF 147K DIO0/SPI CLK INT1 AG PWR Vout=3V3 C2 C1 R1=147K R2=47K Vout=1V8 4.7uF R2 4.7uF R1=150K R2=120K 47K SWDIO INT2 AG SWDCLK PDM CLK PDM DATA SH2 SH1 2 GND