Digi ConnectCore MP25 SoM targets Edge AI and computer vision applications with STM32MP25 MPU

Digi International, an American Industrial IoT solutions provider, has announced its latest system-on-module, the Digi ConnectCore MP25 SoM, at Embedded World 2024 in Nuremberg, Germany.

digi connectcore mp25 module

The Digi ConnectCore MP25 SoM is built upon STMicroelectronics’ STM32MP25 microprocessor. It supports artificial intelligence and machine learning functionality through an integrated neural processing unit (NPU) capable of 1.35 tera operations per second (TOPS) and an image signal processor (ISP). It is powered by two 64-bit Arm Cortex-A35 cores running at 1.5GHz, supported by a 32-bit Cortex-M33 core operating at 400MHz and a 32-bit Cortex-M0+core running at 200MHz.

With its machine learning capabilities, support for time-sensitive networking, and versatile connectivity features, the ConnectCore MP25 module is suitable for edge AI, computer vision, and smart manufacturing applications in various sectors, including medical, energy, and transportation.

digi connectcore mp2 block diagram
Digi Connectcore MP25 Block Diagram

Digi ConnectCore MP25 specifications:

  • SoC – STMicroelectronics STM32MP257F
    • CPU – 2x 64-bit Arm Cortex-A35 @ 1.5 GHz;
    • MCU
      • 1x Cortex-M33 @ 400 MHz with FPU/MPU;
      • 1x Cortex M0+ @ 200 MHz in SmartRun domain
    • Neural Processing Unit –  1.35 TOPS
    • GPU – VeriSilicon 3D GPU @ 900 MHz with OpenGL ES 3.2 and Vulkan 1.2 APIs support
    • VPU – 1080p60 H.264, VP8 video decoder/encoder
  • Memory and Storage
    • RAM – Up to 2 GB DDR4 (16-bit)
    • Flash – Up to 128 GB eMMC flash
  • Video/Graphics
    • LCD-TFT controller up to 24-bit digital RGB888; up to FHD (1920 x 1080) at 60 fps
    • 4-lane MIPI DSI, up to 2.5 Gbit/s each; up to QXGA (2048 x 1536) at 60 fps
  • Camera
    • Interface 1 – 5MP @ 30fps; MIPI CSI-2, 2x data lanes up to 2.5 Gbit/s each; 8- to 16-bit parallel, up to 120 MHz
    • Interface 2 – 1MP @ 15 fps; 8- to 14-bit parallel, up to 80 MHz
    • Digital parallel interface up to 16-bit input or output
  • Wireless – Wi-Fi 5 dual-band 802.11a/b/g/n/ac 1×1 radio (up to 433.3 Mbps), Bluetooth 5.2 (Basic Rate, Enhanced Data Rate, BLE)
  • Ethernet – 2x Gigabit Ethernet with external PHY interfaces, optional 3x Gigabit Ethernet GMAC interfaces, and 2+1 switch with STM32MP257F MPU
  • Security
    • Secure boot
    • TrustZone peripherals
    • Up to 8 tamper input pins + 8 active tamper output pins
    • 1x CRC calculation unit, 2x cryptographic processors
    • Hardware acceleration with DMA support
    • Encryption/decryption: AES-128/192/256, DES/TDES; secure AES-256 with SCA; RSA, ECC, ECDSA with SCA; HASH (SHA-1, SHA-224, SHA-256, SHA3), HMAC; true random number generator; “on-the-fly” DDR encryption/decryption (AES-128); “on-the-fly” OTFDEC Octo-SPI flash memory decryption (AES-128)
    • Complete resource isolation framework;
    • Digi TrustFence embedded security framework
  • Peripherals/Interfaces
    • USB
      • 1x USB 2.0 Host with embedded 480 Mbits/s PHY
      • 1x USB 2.0/3.0 dual role data with embedded 480 Mbits/s and 5 Gbits/s PHY (5 Gbits/s PHY shared with PCI Express)
      • 1x USB Type-C Power Delivery control with two CC lines PHY
    • Analog
      • 3x ADCs with 12-bit max. resolution (up to 5 Msps each, up to 24 channels)
      • Internal temperature sensor (DTS)
      • 1x multifunction digital filter (MDF) with up to 8 channels/8 filters
      • 1x audio digital filter (ADF) with filter and sound activity detection
      • Internal (VREFBUF) or external ADC reference VREF+
    • Storage – 3x SDMMC up to 8-bit (SD/eMMC/SDIO)
    • Audio – 4x SAI (stereo audio: I2S, PDM, SPDIF Tx), SPDIF Rx (4 inputs)
    • 1x PCI Express with embedded 5 Gbits/s PHY (PHY shared with USB 3.0 SuperSpeed)
    • GPIOs – Up to 172 secure I/O ports with interrupt capability;
      • Up to 6 wake-up inputs
      • Up to 8 tamper input pins + 8 active tampers output pins
    • Other I/Os – 8x I2C, 4x I3C, 5x UART + 4x USART, 8x SPI, 3x CAN FD controllers (including 1 TTCAN)
    • Timers
      • 4x 32-bit timers with up to 4 IC/OC/PWM or pulse counter and quadrature (incremental) encoder input
      • 3x 16-bit advanced motor control timers
      • 10x 16-bit general-purpose timers (including 2 basic timers without PWM)
      • 5x 16-bit low-power timers
      • Secure RTC with subsecond accuracy and hardware calendar
      • Up to 2x 4 Cortex-A35 system timers (secure, non-secure, virtual, hypervisor)
      • 2x SysTick M33 timer (secure, non-secure)
      • 1x SysTick M0+ timer
      • 7x watchdogs (5x independent and 2x window)
  • Dimensions – 30 mm x 30 mm x 3 mm (1.18 in x 1.18 in x 0.12 in)
  • Mounting/Pin Count – Digi SMTplus (30 mm x 30 mm) surface mount footprint using 333-pad LGA (1.27 mm pitch) with the option for simple carrier board designs supporting a subset of interfaces
  • Temperature Range – Operating: up to −40°C to +85°C (industrial); storage: −50°C to +125°C
  • Relative humidity – 5% to 90% (non-condensing)
  • Radio approvals – US, Canada, EU, Japan, Australia/New Zealand, Brazil, Mexico
  • Emissions, immunity, and safety certifications
    • FCC Part 15 Class B, EN 55022 Class B, EN 61000-3-2, EN 61000-3-3, ICES- 003 Class B, VCCI Class II, AS 3548
    • FCC Part 15 Subpart C Section 15.247, IC (Industry Canada), RSS-210 Issue 5 Section 6.2.2(o), EN 300 328, EN 301 489-17, EN 55024
    • EN 301 489-3, Safety (IEC 62368-1)
  • Design verifications
    • Temperature: IEC 60068-2-1, IEC 60068-2-2, IEC 60068-2-78
    • Vibration/shock: IEC 60068-2-6, IEC 60068-2-64, IEC 60068-2-27, HALT
digi connectcore mp25 dev board
Digi Connectcore MP25 dev board

The ConnectCore MP25 is built to industrial standards and promises “24/7/365 operation and 10+ year product lifecycles,” backed by a 3-year warranty. The module is supported by Digi Embedded Yocto, an open-source Yocto Project-based embedded Linux distribution. Other Digi solutions such as their ConnectCore Cloud Services and ConnectCore Security Services serve to make the MP25 a comprehensive, functional solution for building “secure connected devices throughout their lifecycle.”

You can read the press release and check out the product page for more information. Other relatively recent product announcements from Digi International include the IX40 cellular gateway and the MP13 system-on-module.

Thanks to TLS for the tip.

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