ATSAMA5D23B-CN

The ATSAMA5D23B-CN is a Microchip Technology SAMA5D2-series microprocessor featuring a single ARM® Cortex®-A5 core running up to 500 MHz. It targets embedded designs that require integrated connectivity, rich user interfaces and hardware security in an industrial-grade package.

With broad memory interface support, on-chip multimedia acceleration and advanced security primitives, this MPU is suited for connectivity and user-interface applications that demand performance, integration and extended operating temperature range.

Key Features

• Core and Performance — ARM® Cortex®-A5 core (ARMv7-A) operating up to 500 MHz with NEON™ Media Processing Engine and ETM/ETB support for system profiling and debug.
• Memory Subsystem — Supports LPDDR1/LPDDR2/LPDDR3, DDR2, DDR3, DDR3L and QSPI Flash. Includes 32 KB L1 data cache, 32 KB L1 instruction cache, and a 128 KB L2 cache configurable as internal SRAM, plus internal scrambled SRAM and ROM resources.
• Security and Cryptography — Hardware security features including ARM TrustZone®, boot security, cryptographic processors (AES, SHA), TRNG, secure fusebox, secure JTAG, secure memory and a secure RTC.
• Graphics and Multimedia — Graphics acceleration and an LCD TFT controller supporting up to 1024×768 with overlays, rotation, post-processing and alpha blending; image sensor controller supporting up to 5 MP sensors.
• Connectivity and Interfaces — Integrated 10/100 Ethernet MAC, USB 2.0 with HSIC, USB high-speed device and host capability, I2C, two SSC, two I2SC and audio interfaces including PDMIC and a stereo Class D amplifier.
• System and Peripherals — Extensive system resources including up to 51 DMA channels, two 16-channel 64-bit central DMA controllers, 64-bit Advanced Interrupt Controller and 64-bit Secure AIC, multiple PLLs and programmable clocks.
• Low-Power and Power Management — Ultra low-power and backup modes with fast wakeup, selectable low-power oscillators, and SleepWalking™ features to minimize runtime power.
• Package and Environmental — 196-TFBGA (11×11 mm) surface-mount package; industrial grade with operating temperature range of −40°C to 105°C and 3.3 V I/O.

Typical Applications

• Industrial HMI and Control: Rich TFT display support, touch controller and graphics acceleration enable responsive human-machine interfaces and operator panels.
• Imaging and Vision Systems: The image sensor controller supports up to 5 MP sensors for embedded vision, inspection and camera applications.
• Secure Connectivity Gateways: Integrated Ethernet, USB and extensive security engines (TrustZone, AES, SHA, TRNG) support secure data handling and networked endpoints.
• Multimedia Devices: NEON MPE, audio interfaces and LCD controller make the device suitable for multimedia playback and interactive devices.

Unique Advantages

• Single-chip integration: Combines a Cortex-A5 core, memory controllers, display and sensor interfaces, Ethernet and USB—reducing BOM and board complexity.
• Comprehensive security stack: On-chip TrustZone, hardware crypto, secure boot ROM and secure fusebox provide multiple layers of device protection out of the box.
• Flexible memory support: Wide support for DDR2/DDR3/DDR3L/LPDDR and QSPI Flash allows designers to choose memory optimized for cost, performance or power.
• Industrial temperature rating: −40°C to 105°C operating range supports deployments in demanding environmental conditions.
• Low-power modes with fast wakeup: Multiple low-power states and SleepWalking features enable energy-efficient operation for always-on or duty-cycled systems.

Why Choose ATSAMA5D23B-CN?

The ATSAMA5D23B-CN positions itself as a highly integrated, industrial-grade MPU for embedded designs requiring a balance of processing performance, multimedia capability and robust security. Its Cortex-A5 core with NEON, broad memory compatibility and on-chip peripherals simplify system design while supporting responsive user interfaces and secure connectivity.

This MPU is well suited for engineers building industrial HMIs, imaging systems, secure gateways and multimedia-enabled embedded products that need long-term reliability, scalability and a comprehensive feature set sourced from a single device family.

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