STM32MP157FAA1

The STM32MP157FAA1 from STMicroelectronics is a microprocessor-class embedded MPU built around dual ARM® Cortex®-A7 cores and an ARM® Cortex®-M4 coprocessor. It targets consumer embedded applications that require a mix of application-level processing, real-time control and multimedia/display connectivity.

Designed for integrated system designs, the device provides a breadth of memory controller support and peripheral interfaces—enabling connected user interfaces, networked devices, and display-enabled appliances while offering hardware security support through ARM TZ.

Key Features

• Core and Coprocessor Dual ARM® Cortex®-A7 32-bit cores listed at 209 MHz for application processing, with an integrated ARM® Cortex®-M4 coprocessor for real-time tasks.
• Memory Interfaces Supports DDR3, DDR3L, LPDDR2 and LPDDR3 memory controllers to match a variety of system memory configurations.
• Display and Graphics Includes display interface controllers for HDMI-CEC and LCD, plus graphics acceleration for UI and display tasks.
• Connectivity Integrated networking and peripheral interfaces including 10/100Mbps and Gigabit Ethernet, multiple USB 2.0 ports (USB 2.0 (2) and USB 2.0 OTG+PHY (3)), and CAN connectivity.
• Security Hardware security support via ARM TrustZone (ARM TZ) to enable trusted execution and isolation.
• Package and Mounting 448‑LFBGA (18×18) package in a surface-mount format suitable for compact embedded boards.
• Operating Range Rated for operation from −20 °C to 105 °C.
• Compliance RoHS compliant.

Typical Applications

• Consumer Electronics Drives display-equipped consumer devices using the built-in HDMI-CEC and LCD controllers alongside graphics acceleration for responsive UIs.
• Connected Home Appliances Provides networking via Ethernet and USB plus CAN for device control and connectivity in smart appliances.
• Embedded HMI and Control Combines dual Cortex-A7 application processing with a Cortex-M4 coprocessor to separate user interface workloads from real-time control tasks.

Unique Advantages

• Heterogeneous processing Dual Cortex-A7 cores plus a Cortex-M4 coprocessor enable efficient partitioning of application and real-time control tasks.
• Flexible memory support DDR3/DDR3L and LPDDR2/LPDDR3 controller compatibility simplifies integration across different performance and power targets.
• Broad peripheral set On-chip Ethernet (10/100 and GbE), multiple USB 2.0 ports, and CAN reduce external components and simplify board design.
• Display-ready HDMI-CEC and LCD interface controllers with graphics acceleration streamline development of visual user interfaces.
• Hardware security ARM TrustZone support enables implementation of isolated secure services and trusted execution environments.
• Surface-mount LFBGA package The 448‑LFBGA (18×18) package supports compact, high-density PCB layouts for space-constrained designs.

Why Choose STM32MP157FAA1?

The STM32MP157FAA1 positions itself as a versatile embedded MPU option for consumer-focused designs that require a combination of application performance, real-time control and extensive peripheral integration. Its dual Cortex-A7 cores, Cortex-M4 coprocessor, comprehensive memory-controller support and multiple connectivity options make it suitable for designs that blend user interfaces, networking and control functionality.

Manufactured by STMicroelectronics and offered in a compact 448‑LFBGA package with RoHS compliance and a −20 °C to 105 °C operating range, the STM32MP157FAA1 is intended for developers seeking integration and predictable operating characteristics for consumer embedded products.

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