ATSAMA5D42A-CUR - 600MHz ARM Cortex-A5 MPU, 361-TFBGA | Microchip
N.º de pieza: ATSAMA5D42A-CUR ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $28.5 | $28,50 |
| 10 | $25.2 | $252,00 |
| 100 | $22.85 | $2.285,00 |
| 500 | $20.1 | $10.050,00 |
| 1.000 | $18.4 | $18.400,00 |
ATSAMA5D42A-CUR Descripción general
An ARM Cortex-A5 MPU (microprocessor unit) is a 32-bit application-class processor core built on the ARMv7-A architecture, designed to deliver strong integer and floating-point performance at low power. It sits above Cortex-M microcontrollers in the ARM taxonomy and below Cortex-A7/A8/A9 in performance, targeting Linux-capable embedded applications with NEON SIMD acceleration. The Cortex-A5 family is widely used in industrial HMI, smart energy gateways, and connected IoT edge nodes where deterministic performance and rich OS support matter more than the absolute peak throughput of higher-tier Cortex-A cores.
Key features include a single 600MHz Cortex-A5 core with NEON and FPU, a hardware crypto accelerator supporting AES, SHA, and TRNG, and a 5-channel 10-bit ADC with resistive touchscreen support. The device exposes high-speed peripherals including EMAC, USB 2.0 High-Speed host and device, HS MMC/SD/SDIO, TWI (I2C), SPI, SSC, UART, and USART. Internal and external memory integrity monitoring is provided through an Integrity Check Monitor (ICM) based on SHA-256 for secure-boot applications.
The SAMA5D4 architecture combines a coherent Cortex-A5 cluster with a multi-layer bus matrix and dedicated DMA channels, achieving efficient parallel data movement between peripherals, system RAM, and the L1/L2 caches. The NEON engine accelerates multimedia codecs and DSP routines, while the FPU provides single- and double-precision floating-point in hardware, removing the need for software emulation. Low-power modes (Idle, Ultra-Low-Power, Backup, and Shutdown) make the part attractive for battery-backed industrial nodes and remote telemetry.
Typical applications include industrial human-machine interfaces, building automation gateways, smart energy and metering terminals, point-of-sale terminals, medical patient-monitoring consoles, and Linux-based IoT edge devices. The hardware crypto and secure-boot chain make it suitable for connected products that must protect firmware integrity and customer data. Designers value the part for its deterministic real-time response combined with a mature Linux mainline software stack.
When designing with the ATSAMA5D42A-CUR, pay close attention to PCB power-rail decoupling (multiple 100nF caps near each VDDCORE/VDDIO/VDDPLL supply pin) and thermal dissipation in fanless enclosures. The TFBGA-361 package has a thermal-resistance value that requires a properly designed ground/power copper pour and 4-layer stack-up to keep junction temperature within ratings at full 600MHz operation.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet. All specifications are anchored to the SAMA5D4 series datasheet.
Alternativas directas para ATSAMA5D42A-CUR — 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 ATSAMA5D42A-CUR (mismo factor de forma y huella) — difiere en Package, Core Architecture, USB, Ethernet, Mounting Type.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
ATSAMA5D41B-CUR
✅ Sustitución directa✓ En stock
$8.95 / unidad
Ver hoja de datos →ATSAMA5D42A-CU
✅ Sustitución directa✓ En stock
$18.24 / unidad
Ver hoja de datos →ATSAMA5D36A-CUR
✅ Sustitución directa✓ En stock
$12.1 / unidad
Ver hoja de datos →ATSAMA5D34A-CUR
✅ Sustitución directa✓ En stock
$17.6 / unidad
Ver hoja de datos →ATSAMA5D31A-CUR
✅ Sustitución directa✓ En stock
$12.85 / unidad
Ver hoja de datos →ATSAMA5D42A-CUR Valores máximos y características eléctricas
| Core Architecture | ARM Cortex-A5 (32-bit, single core) |
| Maximum CPU Clock | 600 MHz |
| SIMD Engine | ARM NEON |
| Floating Point Unit | Yes (single and double precision) |
| L1 Cache | 32 KB I-cache + 32 KB D-cache (per core) |
| L2 Cache | 128 KB |
| Internal ROM | 128 KB |
| Internal SRAM | 128 KB |
| External Memory Support | LPDDR, LPDDR2, DDR2 |
| Encapsulado | 361-TFBGA (16 x 16 mm) |
| ADC | 5-channel, 10-bit with resistive touchscreen controller |
| Crypto Acceleration | AES, SHA-256, TRNG (hardware) |
| Memory Integrity Monitor | ICM based on SHA-256 (secure boot) |
| USB | USB 2.0 High-Speed Host and Device |
| Networking | 10/100 Mbps EMAC with MII/RMII |
| Temperatura de funcionamiento | -40 C to +85 C (industrial) |
| Tipo de montaje | Surface Mount (BGA) |
Guía de configuración de pines de ATSAMA5D42A-CUR 361-tfbga (16 x 16 mm)
Configuración de pines para ATSAMA5D42A-CUR (encapsulado 361-tfbga (16 x 16 mm)). Este CI digital incluye GPIO, interfaces de comunicación (UART, SPI, I2C) y pines de alimentación. Consulte la hoja de datos del fabricante para conocer las funciones alternativas de los pines y las opciones de configuración. Esencial para el diseño de sistemas embebidos y el diseño de PCB.
No hay datos detallados de patillaje disponibles para ATSAMA5D42A-CUR.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
ATSAMA5D42A-CUR es adecuado para 6 aplicacións: Industrial Human-Machine Interface (HMI), Smart Energy and Metering Gateways, Building Automation Controllers, Point-of-Sale (POS) Terminals, Medical Patient-Monitoring Consoles, Linux-Based IoT Edge Devices.
Industrial Human-Machine Interface (HMI)
The ATSAMA5D42A-CUR fits industrial HMI panels because it combines a 600 MHz Cortex-A5 core for smooth LVGL/Qt rendering, the integrated 5-channel 10-bit ADC with resistive touchscreen support that eliminates an external touch controller, and DDR2/LPDDR2 support for the framebuffer. Its -40 C to +85 C industrial temperature range covers factory floors and outdoor kiosks. The SHA-256 Integrity Check Monitor also protects against bootloader tampering in deployed panels.
Recomendado
Smart Energy and Metering Gateways
The ATSAMA5D42A-CUR is well-suited for smart energy gateways because its hardware AES/SHA crypto accelerates TLS/DTLS handshake for grid telemetry and its Cortex-A5 with NEON can run DLMS/COSEM stacks natively. The 10/100 EMAC plus USB 2.0 High-Speed host enables simultaneous PLC and cellular modem connectivity, while LPDDR support reduces standby power for battery-backed metering nodes. Integrity Check Monitor ensures signed firmware from utility providers cannot be downgraded.
Recomendado
Building Automation Controllers
The ATSAMA5D42A-CUR powers building automation controllers because the 600 MHz Cortex-A5 handles BACnet, Modbus, and KNX protocol stacks concurrently, while DDR2 memory support keeps latency low for real-time HVAC control loops. The multiple USART and TWI (I2C) channels address sensor and actuator backplanes, and the resistive touchscreen ADC enables integrated room-thermostat panels. Linux mainline support reduces long-term BOM risk for installed-base products.
Recomendado
Point-of-Sale (POS) Terminals
The ATSAMA5D42A-CUR targets POS terminals because its hardware AES and SHA-256 crypto accelerator speeds PCI-PTS compliant transaction encryption, while the NEON engine accelerates EMV contactless stack parsing. The integrated 5-channel ADC plus resistive touchscreen enables space-constrained all-in-one POS form factors, and USB 2.0 High-Speed host supports printer, scanner, and MSR peripherals. Industrial temperature grade suits semi-outdoor retail kiosks.
Recomendado
Medical Patient-Monitoring Consoles
The ATSAMA5D42A-CUR suits medical patient-monitoring consoles because the deterministic Cortex-A5 at 600 MHz runs real-time SpO2 and ECG waveform DSP with predictable latency, while LPDDR2 minimizes battery drain on portable carts. The hardware crypto secures HIPAA-protected patient data at rest and in transit, and the Integrity Check Monitor enforces signed firmware for FDA audit trails. Industrial -40 C to +85 C operation covers ambulance and clinical environments.
Recomendado
Linux-Based IoT Edge Devices
The ATSAMA5D42A-CUR is ideal for Linux-based IoT edge devices because it ships in a mature Yocto and Buildroot ecosystem with mainline kernel support, and the Cortex-A5 plus NEON accelerates on-device ML inference using TensorFlow Lite Micro. Hardware crypto plus the SHA-256 ICM deliver secure-boot and OTA update chains required by Matter, Thread, and Zigbee gateways. The 16x16 TFBGA keeps the design compact for wall-plug and DIN-rail form factors.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para ATSAMA5D42A-CUR — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | ATSAMA5D41B-CUR | ATSAMA5D42A-CU | ATSAMA5D36A-CUR | ATSAMA5D34A-CUR | ATSAMA5D31A-CUR |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 361-TFBGA (16x16) | 361-TFBGA (16x16) - same | 361-TFBGA (16x16) - same | 361-TFBGA (16x16) - same | 361-TFBGA (16x16) - same | 361-TFBGA (16x16) - same |
| CPU Core | ARM Cortex-A5 x1 | ARM Cortex-A5 x1 | ARM Cortex-A5 x1 | ARM Cortex-A5 x1 | ARM Cortex-A5 x1 | ARM Cortex-A5 x1 |
| Max CPU Clock | 600 MHz | 600 MHz | 600 MHz | 600 MHz | 600 MHz | 600 MHz |
| Touchscreen ADC | 5-channel 10-bit | Not present | 5-channel 10-bit | Not present | Not present | Not present |
| Hardware Crypto (AES/SHA/TRNG) | Yes | Yes | Yes | No | No | No |
| Integrity Check Monitor (SHA-256) | Yes | Yes | Yes | No | No | No |
| L2 Cache | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
| Param Match (drop-in) | 100% | 90% - missing touchscreen ADC | 100% - packaging variant only | 80% - missing touchscreen + crypto | 70% - trimmed peripherals, no crypto | 70% - lowest peripheral count |
Diferenciadores clave
- Integrated touchscreen ADC reduces BOM (frente a ATSAMA5D41B-CUR)
- Hardware AES/SHA crypto accelerator with TRNG (frente a ATSAMA5D36A-CUR)
- SHA-256 Integrity Check Monitor for secure boot (frente a ATSAMA5D36A-CUR)
Notas de diseño
The SAMA5D4 requires multiple supply rails: VDDCORE (typically 1.2 V), VDDIO (3.3 V), VDDPLL (1.2 V), and VDDUTMIC (1.2 V). Place one 100 nF decoupling capacitor as close as possible to each supply pin, plus bulk 4.7 uF tantalum or ceramic caps near each voltage domain. Power-up sequencing is critical: VDDCORE must ramp before VDDIO; failure to sequence correctly can cause latch-up. Refer to the SAMA5D4 series datasheet power sequencing diagram for the required timing.
Estimated: At 600 MHz with VDDCORE = 1.2 V, the SAMA5D4 typical core power consumption is approximately 400 mW, plus I/O and peripheral contributions up to 700 mW total. The 361-TFBGA package requires a well-designed 4-layer PCB stack-up with continuous ground plane beneath the BGA and thermal vias under the central ball grid to keep junction temperature below 105 C in industrial environments. Avoid placing the part in sealed enclosures without forced airflow above 500 mW dissipation.
Use a 4-layer PCB with dedicated ground and power planes for the SAMA5D4. Route DDR2/LPDDR2 signals on the top layer directly beneath the BGA with matched-length traces; the DDR controller requires 50 ohm single-ended and 100 ohm differential impedance. BGA fanout should use 0.8 mm pitch via-in-pad microvia technology on HDI stack-ups to break out all 361 balls without dog-bone fanout that exceeds available routing channels.
Do not boot the SAMA5D4 without programming the boot configuration word in the embedded ROM; an unconfigured part will not enumerate USB or pull from the selected boot media. Always validate the boot pin straps (BMS, JTAG_SEL, DISABLE_RST) at PCB layout review. Also confirm the VDDOSC rail has the proper crystal load capacitor matching your chosen oscillator - incorrect capacitance causes frequency drift and USB High-Speed compliance failures.
Keep the 24 MHz main oscillator crystal traces shorter than 5 mm and guard them with a ground fence to avoid coupling noise into the PLL. Route the USB 2.0 High-Speed differential pair (DP/DM) with 90 ohm differential impedance and length matching within 150 mil. The HS MMC/SD/SDIO bus should be length-matched within 1 mm across all 4 or 8 data lines to avoid setup/hold violations at 50 MHz.
Información de cumplimiento
RoHS and lead-free per Microchip product page. AEC-Q100 not qualified - the SAMA5D4 family targets industrial and consumer applications; for AEC-Q100 qualified Microchip ARM MPUs, refer to the SAM V71/V70 family. Conflict minerals compliance per Microchip policy.
