X-NUCLEO-CCA02M2 STMicroelectronics

X-NUCLEO-CCA02M2 Data brief Digital MEMS microphone expansion board based on MP34DT06J for STM32 Nucleo Features 2 on-board MP34DT06J digital MEMS microphones 6 slots to plug in digital microphone coupon boards such as STEVAL-MIC001V1, STEVAL-MIC002V1 and STEVAL-MIC003V1 Synchronized acquisition and streaming of up to 4 microphones Free comprehensive development firmware library and audio capture plus USB streaming sample application compatible with STM32Cube Compatible with STM32 Nucleo boards Equipped with ST morpho connector (upwards and downwards) Equipped with Arduino UNO R3 connector (upwards) to allow multiple boards RoHS and WEEE compliant Description The X-NUCLEO-CCA02M2 expansion board has been designed around MP34DT06J digital MEMS microphone. It is compatible with the ST morpho connector layout and with digital microphone coupon boards such as STEVAL-MIC001V1, STEVAL-MIC002V1 and STEVAL- MIC003V1. The X-NUCLEO-CCA02M2 embeds two MP34DT06J microphones and allows synchronized acquisition and streaming of up to 4 microphones through IS, SPI, DFSDM or SAI peripherals. It represents a quick and easy solution for the development of microphone-based Product summary applications as well as a starting point for audio algorithm implementation. Digital MEMS microphone expansion X-NUCLEO- board based on CCA02M2 MP34DT06J for STM32 Nucleo MEMS audio sensor omnidirectional stereo MP34DT06J digital microphone Microphone coupon STEVAL- board based on MIC001V1 MP34DT05-A Microphone coupon STEVAL- board based on MIC002V1 MP34DT06J Microphone coupon STEVAL- board based on MIC003V1 IMP34DT05 DB4016 - Rev 1 - September 2019 www.st.com For further information contact your local STMicroelectronics sales office.X-NUCLEO-CCA02M2 Schematic diagrams 1 Schematic diagrams Figure 1. X-NUCLEO-CCA02M2 circuit schematic (1 of 3) V USB 3V3 U2 NC (8MHz) J1 D1 1 4 EN VDD ON: 5 V Voice -> STM32 Nucleo 1 (stream power from expansion board USB) 2 3 2 C4 OSC CLK OUT OFF: 5 V generated on the STM32 Nucleo OUT GND STPS160A NC (100nF) C3 NC (15pF) E5V 3V3 R3 NC (1.5K) USBLC6-2SC6U1 5 V USB VBUS USB SB1 3 4 2 1 OTG FS DM NUCLEO D2 D3 D- Vbus SB2 1 6 3 OTG FS DP NUCLEO D1 D4 D+ 5 GND 0R 2 C5 6 D2 GND SH1 7 SH2 100nF 4 8 ESDA7P60-1U1M ID SH3 9 SH4 USB Mini-B Figure 2. X-NUCLEO-CCA02M2 circuit schematic (2 of 3) Open Open MIC CLK x2 SB8 SB24 MIC PDM34 Open SB10 MIC PDM34 Open MIC CLK x2 SB20 CN7 CN10 E5V CN5 1 2 1 2 Open SB21 3 4 10 3 4 MIC PDM34 5 6 5VV IN 3V3 9 5 6 CN6 7 8 8 7 8 9 10 1 7 9 10 SPI1 SCK 11 12 2 6 11 12 OTG FS DP NUCLEO 13 14 3 5 SPI1 MISO 13 14 OTG FS DM NUCLEO SPI1 MOSI 15 16 4 4 15 16 17 18 5 3 SPI1 CS 17 18 19 20 6 2 19 20 21 22 7 1 21 22 Close 23 24 8 23 24 SB11 MIC PDM12 25 26 25 26 Open 27 28 27 28 SB16 Open SB6 29 30 8 29 30 OSC CLK OUT 31 32 1 7 31 32 SB13 MIC CLK x2 33 34 2 6 33 34 Open Close MIC CLK NUCLEO SB12 35 36 3 5 35 36 37 38 4 4 37 38 5 3 6 2 1 HEADER 19x2 HEADER 19x2 CN8 CN9 Close Open SB7 MIC CLK NUCLEOMIC CLK x2SB14 Open SB22 MIC LED SB15 MIC CLK x2 Open Close SB23 u4 LED Open SB17 SB25 MIC PDM34 MIC PDM12 Open Open SB26 MIC CLK NUCLEO MIC CLK NUCLEO R4 100 MIC CLK C6 15pF DB4016 - Rev 1 page 2/5 2 1