ATSAMA5D21A-CU

The ATSAMA5D21A-CU is an ARM® Cortex®-A5 microprocessor IC from Microchip Technology's SAMA5D2 series. It provides a single 32-bit core running at 500 MHz in a 196-TFBGA (11×11) surface-mount package for embedded system designs.

Targeted at embedded applications, the device combines processing performance with a broad set of memory controllers, display and peripheral interfaces, industrial-grade temperature range and an extensive hardware security feature set to address integration and reliability needs.

Key Features

• Core Single ARM® Cortex®-A5 32-bit core operating at 500 MHz for control and application processing.
• Memory Support Integrated controllers for LPDDR1/LPDDR2/LPDDR3, DDR2, DDR3, DDR3L and QSPI memory types to support flexible system memory architectures.
• Multimedia and Acceleration Multimedia co-processor support including NEON™ MPE and graphics acceleration to assist media and UI workloads.
• Display and HMI Display interface controllers for keyboard, LCD and touchscreen integration to simplify human‑machine interface designs.
• Networking and USB 10/100Mbps Ethernet (1) and USB 2.0 plus HSIC provide wired connectivity options for networked embedded systems.
• Peripheral Interfaces Additional interfaces include I2C and QSPI to connect sensors, peripherals and external memory devices.
• Security Hardware security features including ARM TZ, boot security, cryptography, RTIC, secure fusebox, secure JTAG, secure memory and secure RTC to protect system integrity and data.
• Power and I/O 3.3 V I/O voltage for compatibility with common embedded peripherals.
• Package and Mounting 196-TFBGA (11×11) CSBGA package with surface-mount mounting for compact board integration.
• Industrial Grade and Thermal Rated operating temperature range from -40 °C to 85 °C for industrial environments.
• Compliance RoHS compliant.

Typical Applications

• Industrial Embedded Systems — Industrial-grade temperature range and Ethernet support suit control and monitoring applications that require robustness and wired connectivity.
• Human-Machine Interfaces (HMI) — LCD, touchscreen and keyboard controller support combined with graphics acceleration enable responsive operator interfaces.
• Multimedia and Display Devices — NEON™ MPE and graphics acceleration assist multimedia processing and UI rendering tasks.
• Secure Embedded Controllers — Integrated hardware security features and boot security support applications requiring encrypted storage and secure boot chains.

Unique Advantages

• Single-chip processing at 500 MHz: Provides a balance of processing performance and deterministic control for embedded application tasks.
• Broad memory compatibility: Support for multiple DDR and LPDDR generations plus QSPI allows flexible memory system design choices.
• Comprehensive security suite: On-chip ARM TZ, cryptography and secure boot features help protect system assets and firmware.
• Integrated display and peripheral interfaces: Built-in LCD, touchscreen and keyboard controllers reduce external components for HMI designs.
• Industrial temperature rating: Operation from -40 °C to 85 °C meets many industrial deployment requirements.
• Compact surface-mount package: 196-TFBGA (11×11) package supports dense board layouts while providing required I/O connectivity.

Why Choose ATSAMA5D21A-CU?

The ATSAMA5D21A-CU delivers a focused combination of 500 MHz ARM® Cortex®-A5 processing, extensive memory controller support, multimedia acceleration and a rich set of peripherals in an industrial-grade package. Its onboard hardware security features and wired connectivity options make it suitable for embedded designs that require integrated security and reliable network interfaces.

Designed for engineers building compact, secure embedded products, this Microchip Technology MPU supports a range of memory, display and peripheral configurations to simplify system design while meeting industrial environmental requirements.

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