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UM3300
User manual
Discovery kit with STM32N657X0 MCU
Introduction
‑M55
®
®
The
STM32N6570-DK
Discovery kit is a complete demonstration and development platform for the Arm
Cortex
core‑based
STM32N657X0H3Q
microcontroller.
The STM32N6570-DK Discovery kit includes a full range of hardware features that help the user evaluate many peripherals,
®
such as USB Type-C
, Octo‑SPI flash memory and Hexadeca‑SPI PSRAM devices, Ethernet, camera module, LCD,
™
microSD
, audio codec, digital microphones, ADC, flexible extension connectors, and user button. The four flexible extension
connectors feature easy and unlimited expansion capabilities for specific applications such as wireless connectivity, analog
applications, and sensors.
The STM32N657X0H3Q microcontroller features one USB 2.0 high‑speed/full‑speed Device/Host/OTG controller, one USB 2.0
®
high‑speed/full‑speed Device/Host/OTG controller with UCPD (USB Type-C
Power Delivery), one Ethernet with TSN (time-
2
2
sensitive networking), four I
Cs, two I3Cs, six SPIs (of which four I
S‑capable), two SAIs, with four DMIC support, five USARTs,
five UARTs (ISO78916 interface, LIN, IrDA, up to 12.5 Mbit/s), one LPUART, two SDMMCs (MMC version 4.0, CE-ATA version
1.0, and SD version 1.0.1), three CAN FD with TTCAN capability, JTAG and SWD debugging support, and Embedded Trace
™
Macrocell
(ETM).
The STM32N6570-DK Discovery kit integrates an STLINK-V3EC embedded in-circuit debugger and programmer for the STM32
MCU, with a USB Virtual COM port bridge and the comprehensive MCU Package.
Figure 1.
STM32N6570-DK top view
Figure 2.
STM32N6570-DK bottom view
Pictures are not contractual.
UM3300 - Rev 1 - December 2024
www.st.com
For further information contact your local STMicroelectronics sales office.
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Summary of Contents for ST STM32N6570-DK
- Page 1 Cortex core‑based STM32N657X0H3Q microcontroller. The STM32N6570-DK Discovery kit includes a full range of hardware features that help the user evaluate many peripherals, ® such as USB Type-C , Octo‑SPI flash memory and Hexadeca‑SPI PSRAM devices, Ethernet, camera module, LCD, ™...
- Page 2 UM3300 Features Features ‑M55‑based microcontroller featuring ST Neural-ART Accelerator, H264 ® ® • STM32N657X0H3Q Cortex encoder, NeoChrom 2.5D GPU, and 4.2 Mbytes of contiguous SRAM, in a VFBGA264 package • 5" LCD module with capacitive touch panel ® • USB Type-C with USB 2.0 HS interface, dual‑role‑power (DRP)
- Page 3 UM3300 Ordering information Ordering information To order the STM32N6570-DK Discovery kit, refer to Table 1. Additional information is available from the datasheet and reference manual of the target STM32. Table 1. Ordering information Order code Board references Target STM32 •...
- Page 4 The latest versions of the demonstration source code and associated documentation can be downloaded from www.st.com. CAD resources All board design resources, including schematics, CAD databases, manufacturing files, and the bill of materials, are available from the STM32N6570-DK product page at www.st.com. UM3300 - Rev 1 page 4/49...
- Page 5 UM3300 Conventions Conventions Table 3 provides the conventions used for the ON and OFF settings in the present document. Table 3. ON/OFF convention Convention Definition Jumper JPx ON Jumper fitted Jumper JPx OFF Jumper not fitted Jumper JPx [1-2] Jumper fitted between pin 1 and pin 2 Solder bridge SBx ON SBx connections closed by 0 Ω...
- Page 6 UM3300 Safety recommendations Safety recommendations Targeted audience This product targets users with at least basic electronics or embedded software development knowledge such as engineers, technicians, or students. This board is not a toy and is not suited for use by children. Handling the board This product contains a bare printed circuit board and like all products of this type, the user must be careful about the following points:...
- Page 7 For more information on the STM32N6570-DK Discovery kit and demonstration software, visit the STM32N6570- webpage. Getting started Follow the sequence below to configure STM32N6570-DK and launch the demonstration application (refer to Figure 4 Figure 5 for component location): 1. To identify correctly all device interfaces from the host PC, install the discovery USB driver available on the STM32N6570-DK webpage, before connecting the board.
- Page 8 UM3300 Hardware layout and configuration Hardware layout and configuration The STM32N6570-DK Discovery kit is designed around the STM32N657X0H3Q microcontroller, in VFBGA264 package. The hardware block diagram in Figure 3 illustrates the connection between the microcontroller and the peripherals. Figure 4 Figure 5 help to locate these features on the STM32N6570-DK Discovery board.
- Page 9 UM3300 Hardware layout and configuration Figure 4. STM32N6570-DK PCB layout top view User Reset Power status Microphone daughterboard Tamper BOOT0 (SW2) button button connector button BOOT1 (SW1) (B2) (B1) (LD3) (CN5) (B4) STMod+ (CN4) LCD connector (CN3) Current Measurement (CN2)
- Page 10 UM3300 Hardware layout and configuration Figure 5. STM32N6570-DK PCB layout bottom view MEMs microphone STLINK-V3EC USB Type-C ® (U13) (CN6) Power supply select ARDUINO ® (JP2) connectors (CN7, CN8, CN11, and CN12) MIPI20 (CN10) Flash memory (U25) SD card socket...
- Page 11 UM3300 Hardware layout and configuration Mechanical drawing Figure 6. Board mechanical drawing (in millimeters) UM3300 - Rev 1 page 11/49...
- Page 12 STLINK-V3EC product (for example to add new functionalities, fix bugs, and support new microcontroller families). Therefore, it is recommended to keep the STLINK-V3EC firmware up to date before using the STM32N6570-DK Discovery board. The latest version of this firmware is available from www.st.com website.
- Page 13 STM32N6570-DK product. In any case, ensure the total power budget of the application always conforms to the selected 5 V power source mode, if not malfunction can occur. For detailed configuration, refer to the relevant function description and technical application notes.
- Page 14 7.4.1 Power source selection The STM32N6570-DK product is designed to be powered by a 5 V DC power supply. It is possible to configure the Discovery board with JP2 headers to use any of the four sources described in Table 5 for the 5 V DC power supply.
- Page 15 VIN on CN8 pin 8. VIN is then used by an embedded LDO to generate the 5V_VIN power supply. In this case, the STM32N6570-DK product must be powered by a power supply unit or by auxiliary equipment complying with the standard EN 62368-1:2014+A11:2017 and be safety extralow voltage (SELV) with limited power capability.
- Page 16 • X3 32.768 kHz crystal for the STM32N657X0H3Q embedded RTC • X4 25 MHz crystal for Ethernet Reset sources The general reset of the STM32N6570-DK board is active LOW. The reset sources include: • Reset button (B1) • Embedded STLINK-V3EC ®...
- Page 17 The green LED (LD9) lights up when one of the following events occurs: • The source path is open, and STM32N6570-DK provides up to 1.5 A 5 V power to CN18. • VBUS1 is powered by another USB host when the STM32N6570-DK board works as a Sink device.
- Page 18 The SAI signals are multiplexed with trace signals. 7.15.2 MEMS microphone A digital MEMS microphone (U13) is ON on the bottom side of the STM32N6570-DK main board. A microphone daughterboard connector (CN5) is implemented close to U13, to support the STEVAL- MIC008A MEMS microphone daughterboard.
- Page 19 • One-stop bit • No flow control 7.20 One TAG interface footprint (CN1) is reserved on the STM32N6570-DK board, which can be used for the board debugging and programming. Warning: The JNRST(PB4) and MCU.JTDI(PA15) are multiplexed with LCD signals. 7.21...
- Page 20 USB1 5V VBUS1 is present LD10 USB1 OVP It indicates USB1 OVP status. 1. For detailed information on the power status LED, refer to the technical note Overview of ST-LINK derivatives (TN1235), section 7. UM3300 - Rev 1 page 20/49...
- Page 21 UM3300 Board connectors Board connectors TAG connector (CN1) The TAG connector footprint (CN1) is used to connect the STM32N657X0H3Q microcontroller for programming or debugging the board. Figure 12. TAG connector (CN1) Table 9. TAG connector (CN1) pinout Pin number Description Pin number Description VDDIO (3V3)
- Page 22 UM3300 Board connectors TFT LCD connector (CN3) The CN3 connector is designed to connect the 5-inch TFT LCD touchscreen board. Figure 14. TFT LCD connector (CN3) top view Table 11. TFT LCD connector (CN3) pinout MCU port Signal name Pin number Signal name MCU port LCD_R0...
- Page 23 SB16 ON to enable the ADC (Share ARDUINO 1. The default configuration is in bold. By default, it is designed to support an ST-dedicated fan-out board to connect different modules or board extensions from different manufacturers. The STMod+ fan-out expansion board also embeds a 3.3 V regulator and I C level shifters.
- Page 24 UM3300 Board connectors Microphone connector (CN5) The microphone connector (CN5) connects the STEVAL-MIC008A MEMS microphone daughterboard. Figure 16. Microphone connector (CN5) Table 14. Microphone connector (CN5) pinout Pin number Description Pin number Description VDD_MIC (3.3 V) PDM clock (CK-PE2) PDM data reserved (PE12) PDM data (D1-PE8) Microphone board detection VDD_MIC (3.3 V)
- Page 25 Uno V3 connectors ((CN7, CN8, CN11, and CN12) are female connectors compatible with the ® ® ARDUINO Uno revision 3 standard. Most shields designed for ARDUINO Uno V3 fit the STM32N6570-DK board. Important: ® The STM32 microcontroller I/Os are 3.3 V compatible instead of 5 V for ARDUINO...
- Page 26 ® Table 16. ARDUINO Uno V3 connectors pinout Left connectors Right connectors Connector Pin name MCU pin SoC function SoC function MCU pin Pin name Connector number number I2/3C1_SCL I2/3C1_SDA AVDD AREF Ground 5V_IN test SPI5_SCK PE15 CN12 Digital IOREF 3.3 V ref SPI5_MISO RESET...
- Page 27 UM3300 Board connectors MIPI20 connector (CN10) The MIPI20 debug connector (CN10) is implemented to program and debug the STM32N657X0 microcontroller. Figure 18. MIPI20 connector (CN10) top view Table 17. MIPI20 connector (CN10) pinout Pin number Description Pin number Description VDDIO SWDIO(PA13) SWCLK(PA14) SWO(PB5)
- Page 28 UM3300 Board connectors ™ microSD card connector (CN13) ™ microSD cards with 4 Gbytes or more capacity can be inserted in the receptacle (CN13). Four data bits of the SDMMC2 interface, CLK, and CMD signals of the STM32N657X0H3Q are used to communicate with the ™...
- Page 29 Camera module connector (CN14) A CSI camera module (with ToF and IMU) is supported thanks to the 22‑pin dedicated ZIF connector (CN14). The camera module adaptor board MB1854 can be connected to the STM32N6570-DK Discovery board through flexible cable. Figure 20.
- Page 30 UM3300 Board connectors 8.11 Audio jack (CN15) A 3.5 mm stereo audio jack is available on the STM32N6570-DK board to support stereo earphones and an analog microphone. Figure 21. Audio jack (CN15) top view Table 20. Audio jack (CN15) pinout...
- Page 31 UM3300 Board connectors 8.13 User USB2 Type-A connector (CN17) CN17 is a USB Type-A connector (host). For more details, refer to Section 7.10. Figure 23. User USB2 Type-A connector (CN17) front view Table 22. User USB2 Type-A connector (CN17) pinout Pin number Description VBUS2...
- Page 32 UM3300 STM32N6570-DK I/O assignment STM32N6570-DK I/O assignment Table 24. STM32N6570-DK I/O assignment On‑board ® Pin name STMod+ signals ARDUINO signals number peripheral signals LCD_G3 LCD_G2 LCD_B7 D10‑TIM16_CH1/SPI_CS P1-SPI_CS USB1_EN A0-ADC2 INP18 BOOT1 LCD_B1 LCD_B6 A1-ADC1/2 INP10 PA10 A2-ADC1/2 INP11 PA11...
- Page 33 UM3300 STM32N6570-DK I/O assignment On‑board ® Pin name STMod+ signals ARDUINO signals number peripheral signals SD_D1 P9-GPIO P14-TIM3_CH2 NRST_CAM P13-GPIO PC10 PC11 P11-INT PC12 PC13 USER1 PC14-OSC32_IN(OSC32_IN) PC14 PC15- PC15 OSC32_OUT(OSC32_OUT) ETH_MDC EN_MODULE ETH_MDINT I2C2_SDA D1-USART2_TX P2-USART2_TX LCD_R7 LCD_R1 PD10...
- Page 34 UM3300 STM32N6570-DK I/O assignment On‑board ® Pin name STMod+ signals ARDUINO signals number peripheral signals PE13 D6-TIM1_CH3 PE14 D9-TIM1_CH4 PE15 D13-SPI5_SCK P4-SPI5_SCK ETH_GTX_CLK P18-GPIO ETH_CLK125 A4-ADC1 INP16 EXT_SMPS_MODE ETH_CLK D0-USART2RX P3-USART2_RX ETH_RX_CLK ETH_RXD2 ETH_RXD3 PF10 ETH_RX_DV PF11 ETH_TX_EN PF12 ETH_TXD0...
- Page 35 UM3300 STM32N6570-DK I/O assignment On‑board ® Pin name STMod+ signals ARDUINO signals number peripheral signals LCD_B5 P8-SPI5_MOSI D12-SPI5_MISO P3-SPI5_MISO D15-I2C1/I3C1_SCL P7-I2C1_SCL OCTOSPI_DQS OCTOSPI_NCS OCTOSPI_IO0 OCTOSPI_IO1 OCTOSPI_IO2 OCTOSPI_IO3 OCTOSPI_CLK UCPD1_VSENSE OCTOSPI_IO4 OCTOSPI_IO5 PN10 OCTOSPI_IO6 PN11 OCTOSPI_IO7 PN12 SD_DET HEXASPI_NCS LED1 HEXASPI_DQS0...
- Page 36 UM3300 STM32N6570-DK I/O assignment On‑board ® Pin name STMod+ signals ARDUINO signals number peripheral signals IMU_INT1 IMU_INT2 LCD_ON/OFF LCD_INT TOF_LPn LCD_BL_CTRL PWR_SD_EN 1. ADC is in the 1.8 V power domain. I/O is in the 3.3 V power domain. For ADC pins in ARDUINO ®...
- Page 37 UM3300 STM32N6570-DK product information STM32N6570-DK product information 10.1 Product marking The product and each board composing the product are identified with one or several stickers. The stickers, located on the top or bottom side of each PCB, provide product information: •...
- Page 38 UM3300 STM32N6570-DK product information 10.2 STM32N6570-DK product history Table 25. Product history Order Product Product details Product change description Product limitations code identification MCU: • STM32N657X0H3Q silicon revision "B" MCU errata sheet: • STM32N6xxx device errata (ES0620) Boards: • MB1280-3V3-C01...
- Page 39 UM3300 Federal Communications Commission (FCC) and ISED Canada Compliance Statements Federal Communications Commission (FCC) and ISED Canada Compliance Statements 11.1 FCC Compliance Statement Part 15.19 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.
- Page 40 UM3300 CE conformity CE conformity 12.1 Warning EN 55032 / CISPR32 (2012) Class A product Warning: this device is compliant with Class A of EN55032 / CISPR32. In a residential environment, this equipment may cause radio interference. Avertissement : cet équipement est conforme à la Classe A de la EN55032 / CISPR 32. Dans un environnement résidentiel, cet équipement peut créer des interférences radio.
- Page 41 UKCA Compliance Statement SIMPLIFIED UK DECLARATION OF CONFORMITY Hereby, the manufacturer STMicroelectronics, declares that the radio equipment type “STM32N6570-DK” is in compliance with the UK Radio Equipment Regulations 2017 (UK S.I. 2017 No. 1206). The full text of the UK Declaration of Conformity is available at the following internet address: www.st.com.
- Page 42 UM3300 Product disposal Product disposal Disposal of this product: WEEE (Waste Electrical and Electronic Equipment) (Applicable in Europe) This symbol on the product, accessories, or accompanying documents indicates that the product and its electronic accessories should not be disposed of with household waste at the end of their working life.
- Page 43 UM3300 Revision history Table 27. Document revision history Date Revision Changes 13-Dec-2024 Initial release. UM3300 - Rev 1 page 43/49...
- Page 44 UM3300 Contents Contents Features................2 Ordering information .
- Page 45 STM32N6570-DK product information ........
- Page 46 UM3300 Contents 11.1 FCC Compliance Statement ........... . 39 11.2 ISED Compliance Statement .
- Page 47 STM32N6570-DK I/O assignment ........
- Page 48 STM32N6570-DK PCB layout bottom view ........
- Page 49 ST’s terms and conditions of sale in place at the time of order acknowledgment. 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’...
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