STM32MP157CAC3T

The STM32MP157CAC3T is an ARM® Cortex®-A7 based microprocessor IC featuring a dual-core, 32-bit architecture and a listed operating speed of 209 MHz. It includes an ARM® Cortex®-M4 co-processor and an array of integrated interfaces and memory controller support, making it suitable for embedded designs that require application processing alongside real-time tasks.

Key value propositions include heterogeneous processing with a Cortex‑A7 main processor and a Cortex‑M4 co-processor, broad memory interface support, extensive connectivity (Ethernet, USB, CAN), and a compact 361‑TFBGA (12×12) surface-mount package with wide operating temperature range.

Key Features

• Core — Dual ARM® Cortex®-A7 cores (2 core, 32-bit) with a specified speed of 209 MHz and an ARM® Cortex®-M4 co-processor for real-time and control tasks.
• Memory Support — Integrated controllers compatible with DDR3, DDR3L, LPDDR2 and LPDDR3 memory types to support a range of system memory configurations.
• Display and Graphics — Display interface controllers include HDMI‑CEC and LCD support, with graphics acceleration reported as available for user interface and multimedia use.
• Connectivity — Ethernet (10/100 Mbps and GbE), multiple USB 2.0 ports (USB 2.0 (2), USB 2.0 OTG+ PHY (3)), and CAN interface provide flexible wired networking and peripheral options.
• Security — Includes ARM TZ security feature for hardware-backed trusted execution domains.
• Package & Mounting — Supplied in a 361‑TFBGA (12×12) package, designed for surface-mount assembly.
• Operating Temperature — Rated for operation from −40 °C to 125 °C for deployments requiring wide temperature tolerance.
• Environmental Compliance — RoHS status: Compliant.

Typical Applications

• Embedded Systems — Dual‑core application processing with a companion Cortex‑M4 enables separation of high-level application tasks and deterministic control functions in embedded platforms.
• Human‑Machine Interfaces (HMI) — HDMI‑CEC and LCD display controllers plus graphics acceleration support interactive displays and graphical user interfaces.
• Industrial Networking — Gigabit and 10/100 Ethernet, USB, and CAN interfaces provide connectivity options for industrial communication and data transfer applications.
• Multimedia and Consumer Devices — Integrated display interfaces, graphics acceleration, and USB connectivity support multimedia playback and peripheral integration.

Unique Advantages

• Heterogeneous processing: Dual ARM® Cortex®‑A7 cores paired with an ARM® Cortex®‑M4 co‑processor let designers partition application-level tasks and real‑time control without additional MCUs.
• Flexible memory options: Support for DDR3, DDR3L, LPDDR2 and LPDDR3 memory types reduces design constraints and allows memory choice based on performance and cost targets.
• Broad I/O and networking: Built‑in Ethernet (including GbE), USB 2.0 ports and CAN deliver multiple connectivity paths for system integration and peripheral expansion.
• Security-ready: ARM TZ provides a hardware security foundation to implement trusted execution and isolate sensitive operations.
• Wide operating temperature: −40 °C to 125 °C rating supports designs that must tolerate demanding thermal environments.
• Compact surface-mount package: 361‑TFBGA (12×12) packaging enables high-density board layouts for space-constrained designs.

Why Choose STM32MP157CAC3T?

The STM32MP157CAC3T positions itself as a versatile microprocessor for embedded designs requiring both application-level processing and deterministic control. Its combination of dual Cortex‑A7 cores, a Cortex‑M4 co‑processor, multiple high‑speed interfaces, and flexible memory support provides a balanced platform for integrating user interfaces, connectivity, and control functions.

This device is suited for designers targeting compact, thermally demanding deployments that need a secure, connected processing subsystem with a small-footprint surface-mount package and RoHS compliance.

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