STM32MP135DAF7

The STM32MP135DAF7 is a 32-bit microprocessor IC built around an ARM® Cortex®-A7 core, designed for embedded and industrial applications. It combines a single 32-bit core with a broad set of memory controllers, wired interfaces and device-level security to support networked, connected and temperature-hardened designs.

Key Features

• Core – ARM® Cortex®-A7 single 32-bit core with NEON™ SIMD co-processor for accelerated DSP-style workloads.
• Processing Speed – Specified speed listed as 1 GHz.
• Memory and Display – Integrated controllers for DDR3, DDR3L, LPDDR2 and LPDDR3 memory and an LCD display interface controller for embedded graphical interfaces.
• Connectivity – Dual Gigabit Ethernet ports (10/100/1000 Mbps) and two USB 2.0 ports, plus an additional CANbus interface for automotive-grade fieldbus and industrial networking topologies.
• Security – Extensive security features including AES, ARM TrustZone (ARM TZ), boot security, cryptography, secure debug, SHA-1/2, tamper detection, a true random number generator (TRNG) and volatile key storage.
• Package and Mounting – Supplied in a 320-TFBGA (11×11) package for surface-mount assembly.
• Thermal Range – Industrial operating temperature range of −40 °C to 105 °C.
• Graphics Acceleration – No dedicated graphics acceleration reported; display support is via LCD controller.
• Compliance – RoHS compliant.

Typical Applications

• Industrial Control Systems – Industrial-grade temperature range and dual Gigabit Ethernet make it suitable for networked controllers and automation gateways.
• Networked Edge Devices – Integrated Ethernet and USB interfaces support data aggregation and protocol bridging at the network edge.
• Human-Machine Interfaces (HMIs) – LCD display controller and memory support enable embedded HMI designs for operator panels and instrument displays.
• Secure Embedded Systems – Built-in cryptography, secure boot and TRNG support secure device authentication and protected data handling in connected products.

Unique Advantages

• Single-chip integration: Combines core processing, memory controllers and multiple wired interfaces to reduce BOM and simplify board design.
• Built-in security stack: Hardware AES, SHA-1/2, TRNG and TrustZone enhance device security without adding external crypto components.
• Dual high-speed networking: Two 10/100/1000 Mbps Ethernet ports enable robust network topologies and redundancy for industrial deployments.
• Industrial temperature rating: −40 °C to 105 °C operation supports deployment in harsh environments.
• Flexible memory support: DDR3, DDR3L, LPDDR2 and LPDDR3 controllers provide choices for performance and power trade-offs across designs.

Why Choose STM32MP135DAF7?

The STM32MP135DAF7 positions itself as a compact, industrial-grade MPU solution combining an ARM® Cortex®-A7 core with extensive I/O, memory and security features. Its mix of dual Gigabit Ethernet, USB ports, CANbus, and multi-standard memory controller support addresses the needs of connected embedded systems that require secure communications and reliable operation across temperature extremes.

This part is suited to engineers and procurement teams building industrial controllers, networked gateways, HMIs and secure edge devices who need a single-package MPU with integrated networking and a hardware security feature set. Its rugged operating range, package format and RoHS compliance support long-term production and deployment requirements.

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