ATSAMA5D27B-CNR - 500MHz Cortex-A5 MPU 289-LFBGA | Microchip
Référence : ATSAMA5D27B-CNR ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $8.76 | $8,76 |
| 10 | $8.4 | $84,00 |
| 100 | $7.85 | $785,00 |
| 500 | $7.1 | $3 550,00 |
| 1 000 | $6.4 | $6 400,00 |
ATSAMA5D27B-CNR Présentation
An embedded microprocessor (MPU) is a high-integration computing device that sits one level above microcontrollers (MCUs) in the embedded hierarchy. Where MCUs typically integrate a modest CPU with flash and small RAM for control-oriented tasks, MPUs rely on external DDR memory and external storage, providing the memory bandwidth and CPU performance required for rich operating systems such as Linux. The SAMA5D2 family targets industrial HMI, IoT gateways, and connected appliances that run full OS stacks and need hardware cryptography, multiple connectivity peripherals, and a wide industrial temperature range.
Key features of the ATSAMA5D27B-CNR include ARM Cortex-A5 core with NEON and floating-point unit, hardware AES/SHA/TRNG secure-boot accelerators, dual Ethernet GMAC with IEEE 1588 support, dual CAN-FD interfaces, USB 2.0 HS host/device, a 12-bit ADC, a 24-bit parallel RGB/serial LCD controller with 2D graphics accelerator, and a Peripheral Touch Controller (PTC). The device supports DDR2/DDR3L/LPDDR2/LPDDR3 external memory and QSPI/e.MMC Flash boot, providing flexible storage options for Linux/Android systems.
The MPU is manufactured in a low-power 65 nm CMOS process, with multiple power domains and a simple power management scheme that supports deep low-power states (Backup and ULP modes). The 0.8 mm ball-pitch LFBGA package reduces PCB routing complexity compared with finer-pitch BGA options and supports a 4-layer PCB design with proper stackup.
Typical applications include industrial Human-Machine Interfaces (HMI) with touch screens, IoT edge gateways with Ethernet and CAN connectivity, building automation controllers, medical patient monitors, smart-home concentrators, and Linux-based point-of-sale terminals. The wide operating temperature range of -40C to +105C makes the part well suited for industrial and outdoor installations.
When designing with the ATSAMA5D27B-CNR, follow the Microchip SAMA5D2 hardware design checklist: use at least a 4-layer PCB with a dedicated ground plane, place the LPDDR/DDR3L traces with length-matched routing, provide a low-noise LDO for the PLL supply, and validate boot configuration against the ATSAMA5D2-Boot-Platform documentation before prototype bring-up.
This page consolidates distributor pricing, same-family SAMA5D2 alternatives, and practical design notes beyond the manufacturer datasheet to accelerate MPU selection for embedded Linux designs.
Alternatives de remplacement direct pour ATSAMA5D27B-CNR — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec ATSAMA5D27B-CNR (même facteur de forme et même empreinte) — différant par Package, Operating Temperature, Ethernet, USB, External Memory Support.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
ATSAMA5D27B-CU
✅ Remplacement direct✓ En stock
$11.85 / unité
Voir la fiche technique →ATSAMA5D26B-CU
✅ Remplacement direct✓ En stock
$7.5 / unité
Voir la fiche technique →ATSAMA5D24B-CU
✅ Remplacement direct✓ En stock
$10.42 / unité
Voir la fiche technique →ATSAMA5D23B-CNR
✅ Remplacement direct✓ En stock
$10.25 / unité
Voir la fiche technique →ATSAMA5D22B-CUR
✅ Remplacement direct✓ En stock
$9.1 / unité
Voir la fiche technique →ATSAMA5D21B-CU
✅ Remplacement direct✓ En stock
$9.8 / unité
Voir la fiche technique →ATSAMA5D27B-CNR Valeurs maximales et caractéristiques électriques
| Core Processor | ARM Cortex-A5 |
| Core Count / Width | 1 Core / 32-bit |
| Maximum CPU Frequency | 500 MHz |
| Instruction Set | ARMv7-A with NEON and FPU |
| Internal SRAM | 128 KB |
| External Memory Support | DDR2 / DDR3L / LPDDR2 / LPDDR3 |
| Boot Memory Support | QSPI Flash, e.MMC, NAND, SD card |
| Boîtier | 289-LFBGA (14x14 mm, 0.8 mm ball pitch) |
| Type de montage | Surface Mount |
| I/O Voltage | 3.3 V |
| Température de fonctionnement | -40C to +105C |
| Statut RoHS | Compliant |
| Niveau MSL | 3 |
| Packaging | Tape & Reel |
| Series | SAMA5D2 |
Guide de configuration des broches du ATSAMA5D27B-CNR 289-lfbga (14x14 mm, 0.8 mm ball pitch)
Configuration des broches du ATSAMA5D27B-CNR (boîtier 289-lfbga (14x14 mm, 0.8 mm ball pitch)). Ce circuit intégré numérique comprend des GPIO, des interfaces de communication (UART, SPI, I2C) et des broches d'alimentation. Consultez la fiche technique du fabricant pour les fonctions alternatives des broches et les options de configuration. Indispensable pour la conception de systèmes embarqués et la conception de circuits imprimés.
Aucune donnée de brochage détaillée disponible pour ATSAMA5D27B-CNR.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
ATSAMA5D27B-CNR convient pour 6 applications: Industrial Human-Machine Interface (HMI), IoT Edge Gateway with Ethernet and CAN, Building Automation Controller, Medical Patient Monitor / Diagnostic Display, Smart Home Concentrator / Hub, Linux-Based Point-of-Sale (POS) Terminal.
Industrial Human-Machine Interface (HMI)
The ATSAMA5D27B-CNR's integrated 24-bit LCD controller with 2D graphics accelerator, hardware Peripheral Touch Controller (PTC), and 500 MHz Cortex-A5 core make it ideal for industrial HMI panels running mainline Linux with Qt or LVDS graphical stacks. Designers benefit from a single chip driving 5- to 10-inch TFT displays while still leaving CPU headroom for protocol stacks. The -40C to +105C temperature range and dual CAN-FD also suit factory-floor panels that must communicate with PLCs.
Recommandé
IoT Edge Gateway with Ethernet and CAN
With dual Gigabit Ethernet MACs (with IEEE 1588 hardware timestamping), dual CAN-FD controllers, USB 2.0 HS, and hardware AES/SHA/TRNG secure-boot, the ATSAMA5D27B-CNR fits industrial IoT gateways that aggregate Modbus TCP, EtherCAT, CAN, and Wi-Fi/Ethernet uplinks. The Cortex-A5 + 128 KB SRAM combination runs lightweight edge analytics or containerized workloads via Buildroot or Yocto, while the crypto accelerator shortens TLS handshakes on the WAN side.
Recommandé
Building Automation Controller
Building automation controllers demand low power, multiple fieldbus interfaces, and the ability to run secure Linux for BACnet, KNX, or Modbus stacks. The ATSAMA5D27B-CNR's deep-sleep Backup and ULP modes, dual CAN-FD for HVAC and elevator links, plus hardware crypto accelerators make it a strong fit. Industrial temperature operation and the 0.8 mm-pitch 289-LFBGA simplify EMC-compliant 4-layer PCB layouts required for CE-marked controllers.
Recommandé
Medical Patient Monitor / Diagnostic Display
The ATSAMA5D27B-CNR's 12-bit ADC, deterministic Cortex-A5 core, and LCD graphics path support medical-grade patient monitors that display waveforms and vital signs. The hardware AES/SHA accelerators and TrustZone-style secure-boot provide the cryptographic root-of-trust increasingly required by IEC 62304 / FDA cybersecurity guidance. Operating across -40C to +105C also helps with sterilizable enclosures and outdoor clinical carts.
Recommandé
Smart Home Concentrator / Hub
Smart-home concentrators aggregate Zigbee, Z-Wave, BLE, and Wi-Fi, then bridge to cloud APIs. The ATSAMA5D27B-CNR's Cortex-A5 + DDR3L controller runs Linux with containers for each radio stack, while the integrated LCD controller with 2D acceleration can drive a small local status display. Hardware cryptography protects over-the-air firmware updates, and the 289-LFBGA fits comfortably on 4-layer consumer-grade PCBs.
Recommandé
Linux-Based Point-of-Sale (POS) Terminal
POS terminals need cryptographic acceleration for EMV transactions, a graphics-capable LCD controller for operator UI, USB 2.0 for peripherals, and industrial temperature support. The ATSAMA5D27B-CNR integrates AES/SHA for PCI PTS-friendly key handling and offers enough performance for Qt-based touch UIs. The 289-LFBGA package is also easier to assemble than finer-pitch BGA alternatives, improving yield for mid-volume terminal production.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour ATSAMA5D27B-CNR — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | ATSAMA5D27B-CU | ATSAMA5D26B-CU | ATSAMA5D24B-CU | ATSAMA5D22B-CUR |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 289-LFBGA (14x14, 0.8 mm pitch) | 289-LFBGA (14x14) - same | 289-LFBGA (14x14) - same | 289-LFBGA (14x14) - same | 289-LFBGA (14x14) - same |
| Core / Architecture | ARM Cortex-A5 32-bit | ARM Cortex-A5 32-bit | ARM Cortex-A5 32-bit | ARM Cortex-A5 32-bit | ARM Cortex-A5 32-bit |
| Internal SRAM | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB |
| External Memory | DDR2/DDR3L/LPDDR2/LPDDR3 | DDR2/DDR3L/LPDDR2/LPDDR3 | DDR2/DDR3L/LPDDR2/LPDDR3 | DDR2/DDR3L/LPDDR2/LPDDR3 | DDR2/DDR3L/LPDDR2/LPDDR3 |
| Shipping Packaging | Tape & Reel | Tray | Tray | Tray | Tape & Reel |
Principaux différenciateurs
- Hardware crypto + secure boot on-chip (vs ATSAMA5D22B-CUR)
- Higher CPU clock and richer peripherals than SAMA5D26 (vs ATSAMA5D26B-CU)
- Tape-and-Reel packaging for SMT production (vs ATSAMA5D27B-CU)
Notes de conception
The 289-LFBGA at 0.8 mm ball pitch enables 4-layer PCB designs with a dedicated ground plane, but you still must escape the inner-row balls with vias-in-pad or micro-vias. Follow the Microchip SAMA5D2 hardware design checklist: route DDR3L traces with length matching (data lane +/-25 mil to clock, byte-lane +/-50 mil), keep PLL supply traces short and surrounded by ground, and place decoupling caps as close to each supply ball as the PCB stackup allows. Reference Microchip application note ANxxxx for the full escape pattern.
The SAMA5D2 has a simple power management scheme but multiple supply domains: VDDCORE, VDDBU, VDDANA, VDDSDMMC, VDDHSIC, and VDDUTMI. Use a dedicated 1.0 V LDO with at least 200 mA headroom for VDDCORE, and ensure VDDIO is held in the proper state during Backup/ULP modes. Reference the SAMA5D2 datasheet DS60001476 power-sequencing diagram before choosing LDOs, and verify that wake-up events (RTC, USB, wake-up pins) are configured correctly via the PMC controller in your BSP.
Common SAMA5D2 pitfalls: (1) selecting DDR3L rather than DDR3 for a 1.5 V design (DDR3L is 1.35 V only); (2) omitting the 32.768 kHz crystal on the Slow Clock oscillator, which breaks RTC and deep-sleep timing; (3) leaving boot configuration straps floating, which can lock the part into the wrong boot interface; (4) overlooking the requirement to read the SAMA5D2 errata sheet for silicon revision B before freezing the PCB layout. Estimated: the 289-LFBGA has a typical theta-JA of about 22 C/W on a 4-layer JEDEC test board; verify on your stackup for production thermal analysis.
For the LCD interface, route the parallel RGB data bus with length-matched traces and keep the pixel clock away from sensitive analog inputs (ADC, audio). If using the 2D graphics accelerator (LCDMAX), enable it in the Linux kernel via the atmel-hlcdc driver only after confirming the panel timing in the device tree. For USB HS, the 90-ohm differential pair requires an ESD array (such as the USBLC6-2SC6) near the connector.
Informations de conformité
RoHS and REACH compliance confirmed via Microchip product page and DigiKey listing. AEC-Q100 not applicable as this is an industrial MPU, not an automotive-grade part.
