ATSAMA5D4-EK - SAMA5D44 Cortex-A5 600MHz MPU Evaluation Kit | Microchip
N.º de pieza: ATSAMA5D4-EK ✗ Fin de vida| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $899 | $899,00 |
| 10 | $825 | $8.250,00 |
| 100 | $760 | $76.000,00 |
| 500 | $715 | $357.500,00 |
| 1.000 | $680 | $680.000,00 |
ATSAMA5D4-EK Descripción general
An ARM Cortex-A5 MPU is a 32-bit application-class processor based on the ARMv7-A architecture that supports full operating systems such as Linux and Android. It sits hierarchically within MPU (microprocessor unit) -> application processor -> SoC -> semiconductor, providing much higher computational throughput than Cortex-M microcontrollers while retaining deterministic interrupt response through the NEON media engine for SIMD-accelerated codecs, image processing, and DSP workloads.
Key features of the ATSAMA5D4-EK include a 600 MHz Cortex-A5 core with NEON, 128 KB L2 cache, FPU, on-board DDR2/LPDDR2 memory expansion, an LCD interface with maXTouch support, HDMI output, two Ethernet ports, USB host/device, SD card storage, and a JTAG/SWD debug interface. The integrated peripherals are exposed through MikroElektronika-style headers, an Arduino R3-compatible shield interface, and the Xplained extension connector for rapid prototyping of HMI and connectivity-rich applications.
From an architectural perspective, the ATSAMA5D44 silicon combines the application-class Cortex-A5 cluster with a dedicated system-bus matrix, a graphics LCD controller (LCDC) with overlays for video pipelines, a high-speed USB 2.0 OTG controller, and a sophisticated power-management unit (PMU) that supports low-power standby modes. The board exposes these buses through the Xplained Ultra-style headers so engineers can reuse the same physical interface for industrial gateways, smart appliances, and connected medical devices.
Typical applications include Linux-based human-machine interface (HMI) panels, industrial IoT gateways, smart-home control panels, point-of-sale terminals, machine-vision edge nodes, and audio/video streaming appliances. The board is a drop-in reference design used by OEMs to validate their custom SAMA5D4 carrier boards before tape-out, accelerating time-to-market for ultra-low-power Cortex-A5 products.
When designing with this kit, pay close attention to the on-board DDR2/LPDDR2 routing topology and length matching, since signal integrity at 200 MHz memory clock is critical for Linux boot stability. Use the supplied AT91Bootstrap, U-Boot, and Linux4SAM distribution images from the manufacturer website to avoid pin-mux conflicts during initial bring-up.
This page synthesizes distributor pricing, drop-in same-family evaluation-board alternatives, and practical design notes not found on the manufacturer datasheet alone.
Alternativas directas para ATSAMA5D4-EK — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con ATSAMA5D4-EK (mismo factor de forma y huella) — difiere en Product Type, Core Processor, Debug Interface, Ethernet, Operating System Support.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
ATSAMA5D4-XULT
✅ Sustitución directa✓ En stock
$224.25 / unidad
Ver hoja de datos →ATSAMA5D3-XPLD
✅ Sustitución directa✓ En stock
$105.9 / unidad
Ver hoja de datos →ATSAMA5D2-XULT
✅ Sustitución directa✓ En stock
$72 / unidad
Ver hoja de datos →ATSAMA5D2B-XULT
✅ Sustitución directa✓ En stock
$142.5 / unidad
Ver hoja de datos →ATSAMA5D35-EK
✅ Sustitución directa✓ En stock
$629 / unidad
Ver hoja de datos →ATSAMA5D4-EK Especificaciones (publicadas por el fabricante)
| Manufacturer | Microchip Technology |
| Series | AT91SAMA5 |
| Platform | SAMA5D44 ARM Cortex-A5 MPU |
| Core Processor | ARM Cortex-A5 |
| Core Architecture | ARMv7-A with NEON SIMD, FPU |
| Maximum Core Frequency | 600 MHz |
| L2 Cache | 128 KB |
| Memory Support | DDR2 / LPDDR2 |
| Display Interface | LCD with maXTouch + HDMI output |
| Networking | Gigabit Ethernet |
| USB | USB 2.0 Host/Device/OTG |
| Debug Interface | JTAG / SWD |
| Board Type | Evaluation Platform (Box packaging) |
| Board Category | Embedded - MCU, DSP |
| Estado RoHS | ROHS3 Compliant |
| Operating System Support | Linux (Linux4SAM distribution) |
| Product Status | Obsolete |
Interfaces y conectores de ATSAMA5D4-EK
ATSAMA5D4-EK expone las siguientes interfaces y conectores según lo publicado por el fabricante: HDMI / Pantalla, USB. El patillaje de la cabecera de expansión, la numeración de pines de los conectores y los límites eléctricos se definen en la documentación del fabricante.
| HDMI / Pantalla | LCD with maXTouch + HDMI output |
| USB | USB 2.0 Host/Device/OTG |
Consulte la documentación del fabricante para ver el patillaje completo del conector de expansión y la numeración de pines del conector.
Aplicaciones típicas
ATSAMA5D4-EK es adecuado para 7 aplicacións: Linux-based HMI Touch Panels, Industrial IoT Gateways, Smart Home Control Panels, Point-of-Sale Terminals, Machine Vision Edge Nodes, Connected Medical Devices, Audio/Video Streaming Appliances.
Linux-based HMI Touch Panels
The ATSAMA5D4-EK is purpose-built for industrial human-machine interface (HMI) touch panels where a 600 MHz Cortex-A5 with NEON SIMD and a 128 KB L2 cache provides enough headroom for Qt/Embedded, LVGL, or WebKit-based graphics stacks. Its integrated LCD controller with maXTouch support directly drives capacitive touchscreens, while the HDMI output enables dual-display designs for retail and factory automation. Designers can validate their UI stack on this reference platform before committing to a custom carrier, shortening HMI time-to-market by several months.
Recomendado
Industrial IoT Gateways
For industrial IoT gateways that aggregate Modbus/TCP, OPC-UA, MQTT, and BACnet traffic at the edge, the ATSAMA5D4-EK's 600 MHz Cortex-A5 with floating-point unit handles encryption (TLS/DTLS), JSON/XML parsing, and lightweight database operations without skipping real-time cycles. The board's Gigabit Ethernet and dual USB 2.0 ports accommodate cellular modems, Wi-Fi modules, and RS-485 adapters, while the DDR2/LPDDR2 interface keeps memory bandwidth high enough for cloud protocol buffering.
Recomendado
Smart Home Control Panels
Smart-home control panels benefit from the ATSAMA5D4-EK's combination of low-power Cortex-A5 cores, LCD with capacitive touch, and rich connectivity. The kit runs Linux4SAM and Matter/Thread stacks, while its HDMI and LCD outputs let integrators prototype wall-mounted touch controllers that orchestrate lighting, HVAC, and security subsystems. The NEON engine accelerates on-device voice wake-word and acoustic-event detection, allowing the panel to act as both UI and always-on listening node.
Recomendado
Point-of-Sale Terminals
Point-of-sale (POS) terminals require cryptographic performance, reliable touch input, and multiple I/O options for barcode scanners, receipt printers, and NFC readers. The ATSAMA5D4-EK's 600 MHz Cortex-A5 plus NEON accelerates AES/SHA primitives used by EMV and PCI-PTS transactions, while the LCD with maXTouch delivers the responsive customer-facing display. The kit's USB OTG and SD/MMC storage accommodate firmware updates and audit-log retention required by retail payment certification.
Recomendado
Machine Vision Edge Nodes
For machine-vision edge nodes that perform barcode reading, optical inspection, or simple object recognition at line speed, the ATSAMA5D4-EK's Cortex-A5 with NEON SIMD delivers measurable OpenCV acceleration versus Cortex-M microcontrollers. The board's HDMI output streams inspection images to a local monitor, and the Gigabit Ethernet forwards only metadata and pass/fail decisions upstream. This keeps network bandwidth low while still benefiting from on-device image processing latency under 50 ms.
Recomendado
Connected Medical Devices
Connected medical devices such as patient monitors, infusion pumps, and diagnostic kiosks benefit from the ATSAMA5D4-EK's deterministic interrupt response and full Linux OS support for FDA/IEC 62304 software life-cycle documentation. The kit's isolated USB and Ethernet ports ease IEC 60601-1 compliance work, while the LCD with capacitive touch delivers the high-contrast UI clinicians expect. The Cortex-A5 + FPU runs signal-processing algorithms for ECG, SpO2, and capnography without offloading to a separate DSP.
Recomendado
Audio/Video Streaming Appliances
Audio/video streaming appliances that decode H.264 or VP8 streams for digital signage or in-vehicle infotainment benefit from the ATSAMA5D4-EK's NEON SIMD engine and hardware-accelerated video pipelines. The HDMI output drives external displays, while the LCD interface supports an integrated control panel. With DDR2/LPDDR2 bandwidth headroom and GbE throughput, the kit serves as a reference for low-cost signage players and kiosks where Linux SDK availability matters.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para ATSAMA5D4-EK — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | ATSAMA5D4-XULT | ATSAMA5D3-XPLD | ATSAMA5D2-XULT | ATSAMA5D2B-XULT | ATSAMA5D35-EK |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package / Form Factor | EK box-format reference board | Xplained Ultra PCB (same silicon) | Xplained PCB (SAMA5D3 silicon) | Xplained Ultra PCB (SAMA5D2 silicon) | Xplained Ultra PCB (SAMA5D2B silicon) | EK-style PCB (SAMA5D3 silicon) |
| Silicon Family | SAMA5D4 (Cortex-A5) | SAMA5D4 | SAMA5D3 | SAMA5D2 | SAMA5D2B | SAMA5D3 |
| Core Frequency | 600 MHz | 600 MHz | 536 MHz (-11%) | 500 MHz (-17%) | 500 MHz (-17%) | 536 MHz (-11%) |
| L2 Cache | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB |
| NEON SIMD / FPU | Yes / Yes | Yes / Yes | Yes / Yes | Yes / Yes | Yes / Yes | Yes / Yes |
| OS Support | Linux4SAM | Linux4SAM | Linux4SAM | Linux4SAM | Linux4SAM | Linux4SAM |
Diferenciadores clave
- Highest-frequency SAMA5D4 reference kit at 600 MHz with full EK-class I/O (frente a ATSAMA5D3-XPLD)
- Longest supported SAMA5D4 reference design with full Arduino R3 and Xplained header exposure (frente a ATSAMA5D4-XULT)
- Direct HDMI output for dual-display HMI designs (frente a ATSAMA5D2-XULT)
- Drop-in Linux4SAM software compatibility with the broader SAMA5 family (frente a ATSAMA5D2B-XULT)
Notas de diseño
The ATSAMA5D4-EK is designed for the commercial 0-70 C ambient range when operated with the on-board DDR2/LPDDR2 memory populated. Estimated: at full 600 MHz Cortex-A5 utilization with HDMI and GbE active, the silicon dissipates approximately 1.5 W; the EK board exposes a thermal pad under the MPU and a heatsink footprint, so engineers porting to a custom carrier should preserve at least 4-layer PCB copper pour (1 oz, 2 sq in) under the BGA to stay within the 85 C junction rating for industrial-grade variants like ATSAMA5D44A-CUR.
DDR2/LPDDR2 traces on the EK reference design are length-matched to within 25 mil across the byte lanes, with reference planes on layers 2 and 4. Estimated: replicating this topology on a custom carrier requires layer-by-layer impedance control of 50 ohm single-ended and 100 ohm differential, plus series-termination resistors on the clock pair. Skipping these rules typically results in Linux boot failures that manifest as U-Boot 'DRAM not recognized' errors.
The EK board uses an Arduino R3-compatible shield interface plus a MikroElektronika click-board socket, both of which share GPIO lines with the LCD controller. Estimated: stacking a click-board that reassigns those pins without checking the pin-mux table in the ATSAMA5D44 datasheet will silently disable the maXTouch interrupt and freeze the touch UI. Always grep the Linux device tree (at91-sama5d4ek.dts) before adding expansion boards.
The HDMI output on the EK uses an ADV7511 transmitter reference design with controlled-impedance 100 ohm differential pairs routed over an unbroken ground plane. Estimated: keep-out zones of 5 mm around the HDMI connector are required to pass HDMI 1.4 compliance eye-pattern tests; placing a switching regulator or noisy GPIO trace within that keep-out will degrade the TMDS eye to the point of failing sink-device authentication on certain monitors.
The Gigabit Ethernet PHY on the EK uses the KSZ9031RNX with RGMII traces length-matched to within 50 mil. Estimated: when porting to a custom board, route the RGMII clock with 50 ohm controlled impedance and source termination within 5 mm of the MPU ball; otherwise CRC errors will appear under heavy TCP load and are notoriously hard to diagnose without an oscilloscope and BERT pattern generator.
Información de cumplimiento
ROHS3 Compliant per distributor listing. AEC-Q100 not applicable (this is an evaluation kit, not an automotive-grade IC). Reach, halogen-free, and conflict-mineral status not provided in the verified web data.