STM32MP157AAA3T

The STM32MP157AAA3T is an embedded microprocessor IC built around ARM® Cortex®-A7 architecture. It provides a dual 32-bit core configuration with a listed core speed of 209 MHz and includes an ARM® Cortex®-M4 coprocessor for offloading real-time tasks.

Designed for embedded systems requiring integrated memory interfaces, display and graphics support, wired connectivity and hardware security, the device combines processing, connectivity and peripheral integration in a 448-LFBGA package with a wide operating temperature range.

Key Features

• Processor  Dual ARM® Cortex®-A7 cores, 32-bit, with a listed speed of 209 MHz; includes an ARM® Cortex®-M4 co-processor for DSP/real-time tasks.
• Memory controllers  Integrated support for DDR3, DDR3L, LPDDR2 and LPDDR3 memory types to match diverse system memory requirements.
• Display and graphics  Display interface controllers including HDMI-CEC and LCD support, plus graphics acceleration for user-interface and display applications.
• Connectivity  Multiple wired interfaces including 10/100 Mbps and Gigabit Ethernet, CAN, and USB connectivity (USB 2.0 ports and USB 2.0 OTG with PHY).
• Security  ARM TZ security feature present for hardware-supported trusted execution.
• Package and mounting  448-LFBGA (18×18) supplier device package, surface-mount mounting for compact board designs.
• Operating temperature  Rated for operation from -40 °C to 125 °C.
• Compliance  RoHS compliant.

Typical Applications

• Embedded control systems  Dual A7 cores with an M4 co-processor and wide temperature range enable control-oriented embedded applications that require both application processing and deterministic tasks.
• Human‑Machine Interfaces (HMI)  Integrated display controllers and graphics acceleration support LCD-based HMIs and display-driven user interfaces.
• Networking and gateway devices  Gigabit and 10/100 Ethernet alongside USB and CAN interfaces make the device suitable for networking, gateway and communication functions.
• Multimedia and display appliances  HDMI-CEC and graphics acceleration provide necessary building blocks for multimedia and display-centric devices.

Unique Advantages

• Integrated heterogeneous processing: Combines dual ARM® Cortex®-A7 cores with an ARM® Cortex®-M4 co-processor to separate application and real-time workloads.
• Flexible memory support: Native controllers for DDR3, DDR3L, LPDDR2 and LPDDR3 simplify memory selection across performance and cost points.
• Comprehensive I/O and connectivity: Built-in Ethernet (10/100 and GbE), USB 2.0 (including OTG+PHY) and CAN reduce external interface components.
• Display-ready platform: HDMI-CEC and LCD interface controllers plus graphics acceleration enable robust display and UI implementations.
• Wide operating temperature: Specified operation from -40 °C to 125 °C supports deployment across a broad range of environmental conditions.
• Compact SMT package: 448-LFBGA (18×18) package supports high-density board integration.

Why Choose STM32MP157AAA3T?

The STM32MP157AAA3T positions itself as a balanced, integrated microprocessor solution for embedded designs that require a mix of application processing, real-time control and rich peripheral connectivity. Its dual ARM® Cortex®-A7 cores combined with an ARM® Cortex®-M4 co-processor and broad memory support enable designers to partition workloads and optimize system performance.

Packaged in a 448-LFBGA with a broad operating temperature range and built-in security features, the device is suited to embedded applications that need consolidated interfaces (Ethernet, USB, CAN) and display capabilities. As a product from STMicroelectronics, it provides a platform-level option for designs that require both processing flexibility and integrated connectivity.

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