X-NUCLEO-CCA02M2

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 STEVALMIC003V1. The X-NUCLEO-CCA02M2 embeds two MP34DT06J microphones and allows synchronized acquisition and streaming of up to 4 microphones through I²S, SPI, DFSDM or SAI peripherals. It represents a quick and easy solution for the development of microphone-based applications as well as a starting point for audio algorithm implementation. Product summary Digital MEMS microphone expansion board based on MP34DT06J for STM32 Nucleo X-NUCLEOCCA02M2 MEMS audio sensor omnidirectional stereo digital microphone MP34DT06J Microphone coupon board based on MP34DT05-A STEVALMIC001V1 Microphone coupon board based on MP34DT06J STEVALMIC002V1 Microphone coupon board based on IMP34DT05 STEVALMIC003V1 DB4016 - Rev 1 - September 2019 For further information contact your local STMicroelectronics sales office. www.st.com X-NUCLEO-CCA02M2 Schematic diagrams 1 Schematic diagrams Figure 1. X-NUCLEO-CCA02M2 circuit schematic (1 of 3) V_USB ON: 5 V Voice -> STM32 Nucleo (stream power from expansion board USB) OFF: 5 V generated on the STM32 Nucleo 1 D1 1 2 3 OSC_CLK_OUT STPS160A 3V3 NC (8MHz) U2 J1 EN VDD OUT GND 4 2 C4 NC (100nF) C3 NC (15pF) E5V 3V3 VBUS 3 1 SB1 SB2 OTG_FS_DM_NUCLEO OTG_FS_DP_NUCLEO 2 0R D2 D1 D3 D4 V_USB 5 4 6 2 3 USB Vbus DD+ GND SH1 SH2 SH3 SH4 C5 GND 4 100nF ID 1 1 USBLC6-2SC6U1 5 6 7 8 9 D2 2 R3 NC (1.5K) ESDA7P60-1U1M USB Mini-B Figure 2. X-NUCLEO-CCA02M2 circuit schematic (2 of 3) MIC_CLK_x2 MIC_PDM34 Open MIC_CLK_x2 SB20 CN7 Open MIC_PDM34 OSC_CLK_OUT MIC_CLK_NUCLEO SB21 SB6 Open Open SB12 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 SB10 Open Open SB24 Open MIC_PDM34 CN10 E5V 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 SB8 CN5 5VV_IN 3V3 10 9 8 7 6 5 4 3 2 1 CN6 1 2 3 4 5 6 7 8 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 SPI1_SCK SPI1_MISO SPI1_MOSI SPI1_CS 8 7 6 5 4 3 2 1 1 2 3 4 5 6 HEADER 19x2 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 OTG_FS_DP_NUCLEO OTG_FS_DM_NUCLEO Close SB11 SB16 Open SB13 MIC_PDM12 MIC_CLK_x2 Close HEADER 19x2 CN8 Open Open CN9 SB7 SB22 SB23 MIC_LED SB15 Close Open MIC_CLK_NUCLEOMIC_CLK_x2 SB14 MIC_CLK_x2 Close u4_LED Open SB17 MIC_PDM34 SB25 Open MIC_PDM12 Open MIC_CLK_NUCLEO MIC_CLK_NUCLEO R4 100 SB26 MIC_CLK C6 15pF DB4016 - Rev 1 page 2/5 X-NUCLEO-CCA02M2 Schematic diagrams Figure 3. X-NUCLEO-CCA02M2 circuit schematic (3 of 3) On-Board (OB) Mic Source Selector 3V3 100nF VDD DOUT CLK LR C8 C2 1uF 100nF MIC_CLK M2 3 5A 5B 5C 5D 2 1 MP34DT06J VDD CLK LR 1uF 3 MIC_CLK MIC_PDM12_OB 2 C1 4 MIC_PD DOUT 4 MIC_PDM34_OB MIC_PDM12_OB MIC_PDM12 MIC_PU MIC_PDM34_OB MIC_PDM34 MIC_PDM12_OB SB9 Open MIC_PDM12_EXT 5A 5B 5C 5D C7 MP34DT06J M1 GND GND GND GND 1 GND GND GND GND 3V3 MIC_PDM34_EXT J2 1 2 3 HEADER 3 J3 1 2 3 HEADER 3 MIC_PDM34_OB External (EXT) M1_EXT_A MIC_PDM12_EXT 2 4 6 MIC_CLK M2_EXT 3V3 1 3 5 MIC_PD MIC_LED MIC_PDM12_EXT 2 4 6 MIC_CLK HEADER 3X2 M3_EXT 3V3 1 3 5 MIC_PU MIC_LED MIC_PDM34_EXT 2 4 6 MIC_CLK HEADER 3X2 M1_EXT_B MIC_PDM12_EXT 2 4 6 MIC_CLK 1 3 5 MIC_PD MIC_PDM34_EXT 2 4 6 MIC_CLK MIC_PD MIC_LED HEADER 3X2 Additional MIC_PDM34_EXT 2 4 6 MIC_CLK MIC_LED NC (HEADER 3x2) 3V3 1 3 5 MIC_PU MIC_LED HEADER 3X2 M4_EXT_B 3V3 1 3 5 M4_EXT_A 3V3 3V3 1 3 5 MIC_PU MIC_LED NC (HEADER 3x2) 3V3 u4 MIC_CLK u4_LED DB4016 - Rev 1 MIC_PDM12_u4 MIC_PDM34_u4 MIC_PDM12_u4 MIC_PDM34_u4 NCCN1 3V3 1 3 5 7 9 2 4 6 8 10 SB18 SB19 Open MIC_PDM12_EXT MIC_PDM34_EXT R1 R2 10K 10K MIC_PU MIC_PD Open MIC_PDM12_u4 MIC_PDM34_u4 MIC_PU page 3/5 X-NUCLEO-CCA02M2 Revision history Table 1. Document revision history DB4016 - Rev 1 Date Version 18-Sep-2019 1 Changes Initial release. page 4/5 X-NUCLEO-CCA02M2 IMPORTANT NOTICE – PLEASE READ CAREFULLY STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, enhancements, modifications, and improvements to ST products and/or to this document at any time without notice. Purchasers should obtain the latest relevant information on ST products before placing orders. ST products are sold pursuant to ST’s terms and conditions of sale in place at the time of order acknowledgement. Purchasers are solely responsible for the choice, selection, and use of ST products and ST assumes no liability for application assistance or the design of Purchasers’ products. No license, express or implied, to any intellectual property right is granted by ST herein. Resale of ST products with provisions different from the information set forth herein shall void any warranty granted by ST for such product. ST and the ST logo are trademarks of ST. For additional information about ST trademarks, please refer to www.st.com/trademarks. All other product or service names are the property of their respective owners. Information in this document supersedes and replaces information previously supplied in any prior versions of this document. © 2019 STMicroelectronics – All rights reserved DB4016 - Rev 1 page 5/5