ATSAMA5D33A-CU - 536MHz ARM Cortex-A5 MPU 324-LFBGA | Microchip
Référence : ATSAMA5D33A-CU ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $14.99 | $14,99 |
| 10 | $13.49 | $134,90 |
| 100 | $11.95 | $1 195,00 |
| 500 | $10.2 | $5 100,00 |
| 1 000 | $8.95 | $8 950,00 |
ATSAMA5D33A-CU Présentation
An ARM Cortex-A5 MPU is a microprocessor unit based on the ARM Cortex-A5 application-class core, sitting in the hierarchy ARM Cortex-A5 -> Cortex-A family -> application processor -> MPU -> embedded processor -> semiconductor. Compared with Cortex-M microcontrollers, Cortex-A MPUs include a memory management unit (MMU), hardware floating point, and full Linux/Android/RTOS support, making them suitable for rich-OS workloads and complex user interfaces. The SAMA5D3 series specifically balances performance and power, drawing under 200 mW in typical operating modes and below 0.5 mW in deep-sleep retention.
Key features include a 533 MHz system bus, 1.4 GB/s aggregate bandwidth through multi-layer AHB/Nic301 interconnect, dual 16-bit DDR2/LPDDR/LPDDR2 controllers (LPDDR2 up to 533 MHz), 10/100/1000 Mbps Ethernet MAC with GMII/RGMII/RMII, three USB 2.0 high-speed ports (one host/device, two host), LCD controller up to 2048x2048 with touchscreen, and hardware image sensor interface. Peripherals include two HS MCI/SDIO ports, two SPI, two SSC/I2S, two TWI/I2C, four UART, two CAN, and a 12-bit ADC. The 324-LFBGA package exposes the full peripheral set while keeping board area manageable.
Architecturally the ATSAMA5D33A-CU integrates the Cortex-A5 core with NEON media extension, Neon-style SIMD is absent on A5, plus an FPU, an MPU L1 subsystem, and a peripheral DMA engine. Hardware cryptography is provided through an on-chip AES/SHA engine, random number generator, and secure boot ROM. The device ships in industrial temperature grade (-40C to +85C) and supports Linux mainline (kernel >= 4.x), Buildroot, Yocto, and FreeRTOS via Microchip's SoftDevice BSP.
Typical applications include industrial control panels, smart-grid energy meters, building automation HMIs, POS terminals, access-control panels, and portable medical data terminals. Engineers choose the ATSAMA5D33A-CU when Linux is needed but a Cortex-A9/A53 quad-core is overkill for the workload. Compared with the lower-cost SAMA5D2 series, the D3 doubles memory bandwidth and adds Gigabit Ethernet, making it preferred for camera-pipe and high-throughput industrial gateways.
When designing with the ATSAMA5D33A-CU, pay attention to the LFBGA routing - the 0.8 mm pitch requires 4-layer minimum PCB with micro-via fanout, and the DDR2 traces must be length-matched within 50 mils. Decoupling requires 10 µF + 100 nF per power rail placed within 2 mm of the package balls. The boot configuration (BMS, JTAG) must be strapped before VCore stabilizes.
This page synthesizes Microchip datasheet excerpts, distributor pricing from DigiKey/Mouser/Heisener, drop-in SAMA5D3 family alternatives, and practical design notes not found in a single manufacturer document.
Alternatives de remplacement direct pour ATSAMA5D33A-CU — 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 ATSAMA5D33A-CU (même facteur de forme et même empreinte) — différant par Ethernet, Package, USB, RoHS Status, Operating Temperature.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
ATSAMA5D31A-CUR
✅ Remplacement direct✓ En stock
$12.85 / unité
Voir la fiche technique →ATSAMA5D31A-CU
✅ Remplacement direct✓ En stock
$5.65 / unité
Voir la fiche technique →ATSAMA5D34A-CU
✅ Remplacement direct✓ En stock
$9.62 / unité
Voir la fiche technique →ATSAMA5D33A-CUR
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$8.95 / unité
Voir la fiche technique →ATSAMA5D35A-CN
✅ Remplacement direct✓ En stock
$8.2 / unité
Voir la fiche technique →ATSAMA5D33A-CU Valeurs maximales et caractéristiques électriques
| Core | ARM Cortex-A5 (32-bit, single core) |
| Maximum CPU Clock | 536 MHz |
| DMIPS | 850 DMIPS |
| FPU | Single-precision hardware (VFPv4) |
| Internal SRAM | 128 KB |
| L1 Instruction Cache | 32 KB |
| L1 Data Cache | 32 KB |
| Boot ROM | 160 KB |
| External Memory Bus | 16-bit DDR2/LPDDR/LPDDR2 (dual-channel) |
| Ethernet | 10/100/1000 Mbps MAC (GMII/RGMII/RMII) |
| USB | 3x USB 2.0 High-Speed (1 OTG + 2 Host) |
| Display Controller | LCD up to 2048x2048, 24-bit RGB, with touch |
| Image Sensor Interface | 12-bit parallel ITU-R BT.601/656 |
| CAN | 2x CAN 2.0B |
| UART / SPI / TWI | 4x UART, 2x SPI, 2x I2C/TWI |
| SD/MMC | 2x HS-MCI/SDIO |
| ADC | 12-bit, 12-channel |
| Température de fonctionnement | -40C to +85C (Industrial) |
| Boîtier | 324-LFBGA (15x15 mm, 0.8 mm pitch) |
| Type de montage | Surface Mount |
| Statut RoHS | Compliant |
| Lead-Free | Yes |
Guide de configuration des broches du ATSAMA5D33A-CU 324-lfbga (15x15 mm, 0.8 mm pitch)
Configuration des broches du ATSAMA5D33A-CU (boîtier 324-lfbga (15x15 mm, 0.8 mm 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 ATSAMA5D33A-CU.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
ATSAMA5D33A-CU convient pour 6 applications: Industrial HMI with Touchscreen, Smart Energy Meter / Grid Gateway, Building Automation Controller, Portable Medical Data Terminal, IP Camera / Vision Pipeline, POS Terminal / Access Control Panel.
Industrial HMI with Touchscreen
The ATSAMA5D33A-CU drives 7-15 inch industrial HMIs running Linux/Qt. Its LCD controller supports up to 2048x2048 at 24-bit RGB and integrates a 4-wire resistive touchscreen controller, eliminating external touch ASICs. The 536 MHz Cortex-A5 with FPU handles Qt rendering at 60 fps for typical operator interfaces. Dual-channel DDR2/LPDDR2 up to 533 MHz provides 4.2 GB/s framebuffer bandwidth for smooth 2D transitions, while the industrial temperature range (-40C to +85C) and 850 DMIPS throughput deliver reliable operation in factory environments where fanless sealed enclosures are required.
Recommandé
Smart Energy Meter / Grid Gateway
In smart-grid gateways the ATSAMA5D33A-CU aggregates data from multiple meters over RS-485, CAN 2.0B, and 10/100/1000 Ethernet. Its dual-channel DDR2 controller buffers large transient telemetry bursts, while the AES/SHA crypto engine secures DLMS/COSEM or IEEE 2030.5 traffic at the edge. The 850 DMIPS performance runs a TLS stack and an MQTT broker simultaneously, and the industrial temperature grade suits outdoor cabinet installations. Compared with a Cortex-M4 MCU, this Cortex-A5 MPU runs full Linux with a real networking stack and OTA update infrastructure.
Recommandé
Building Automation Controller
The ATSAMA5D33A-CU functions as a multi-protocol building-automation controller, bridging BACnet/IP, KNX, Modbus TCP, and Zigbee-to-IP through its three USB 2.0 high-speed ports and dual Ethernet MACs. The Cortex-A5 at 536 MHz handles real-time scheduling of HVAC, lighting, and access-control subsystems. Linux support (kernel >= 4.x) and the 160 KB boot ROM enable secure boot from SPI flash. The 324-LFBGA package fits a DIN-rail-mounted controller PCB while dissipating less than 200 mW typical, eliminating active cooling in ceiling-mounted enclosures.
Recommandé
Portable Medical Data Terminal
Portable medical terminals (e.g. point-of-care diagnostic carts) use the ATSAMA5D33A-CU for its low-power retention mode (under 0.5 mW) and battery-friendly operation, combined with enough DMIPS to render high-resolution waveforms and patient databases over Wi-Fi. The 12-bit ADC (12-channel) captures analog sensor data, the LCD controller drives the bedside touchscreen, and the AES/SHA engine enforces HIPAA-compliant local encryption. Industrial temperature tolerance allows ambulance and outdoor-clinic deployment.
Recommandé
IP Camera / Vision Pipeline
The ATSAMA5D33A-CU drives standalone IP-camera designs through its 12-bit parallel image-sensor interface, Gigabit Ethernet MAC for 1080p30 streaming, and dual-channel DDR2 for frame buffering. The Cortex-A5 with FPU runs motion-detection algorithms and ONVIF server stack concurrently, while the industrial temperature grade supports outdoor housings. Compared with the SAMA5D4, this part lacks the MIPI CSI-2 interface but still serves the parallel-CCD market with full Linux application support.
Recommandé
POS Terminal / Access Control Panel
POS and access-control designs rely on the ATSAMA5D33A-CU's three USB 2.0 high-speed ports for barcode scanners, NFC readers, and receipt printers, plus its LCD controller for the operator display. The 850 DMIPS runs Linux with payment-stack libraries (e.g. tokenization, EMV) and secure boot from the on-chip 160 KB ROM. The 324-LFBGA package fits slim retail-counter form factors, and industrial temperature range suits semi-outdoor kiosk installations such as fuel-station terminals.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour ATSAMA5D33A-CU — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | ATSAMA5D31A-CUR | ATSAMA5D31A-CU | ATSAMA5D34A-CU | ATSAMA5D33A-CUR | ATSAMA5D35A-CN | ATSAMA5D28C-LD1G-CUR |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 324-LFBGA (15x15 mm) | 324-LFBGA (15x15 mm) - same | 324-LFBGA (15x15 mm) - same | 324-LFBGA (15x15 mm) - same | 324-LFBGA (15x15 mm) - same | 324-LFBGA (15x15 mm) - same | LFBGA-289 - DIFFERENT (not drop-in) |
| CPU Core | Cortex-A5 536 MHz | Cortex-A5 536 MHz | Cortex-A5 536 MHz | Cortex-A5 536 MHz | Cortex-A5 536 MHz | Cortex-A5 536 MHz | Cortex-A5 500 MHz |
| DMIPS | 850 DMIPS | 850 DMIPS | 850 DMIPS | 850 DMIPS | 850 DMIPS | 850 DMIPS | 792 DMIPS |
| Ethernet | 10/100/1000 Mbps MAC | 10/100 Mbps | 10/100 Mbps | 2x 10/100/1000 Mbps | 10/100/1000 Mbps | 10/100/1000 Mbps | 10/100 Mbps |
| DDR Interface | Dual 16-bit DDR2/LPDDR/LPDDR2 | Single 16-bit DDR2/LPDDR | Single 16-bit DDR2/LPDDR | Dual 16-bit DDR2/LPDDR/LPDDR2 | Dual 16-bit DDR2/LPDDR/LPDDR2 | Dual 16-bit DDR2/LPDDR/LPDDR2 | Single 16-bit LPDDR/LPDDR2/DDR2/DDR3 |
| USB 2.0 High-Speed Ports | 3 (1 OTG + 2 Host) | 2 | 2 | 3 | 3 | 3 | USB 2.0 + HSIC |
| MIPI CSI-2 | No | No | No | Yes | No | No | Yes |
Principaux différenciateurs
- Dual-channel DDR2/LPDDR/LPDDR2 controller up to 533 MHz (vs ATSAMA5D31A-CU)
- Integrated Gigabit Ethernet MAC (vs ATSAMA5D31A-CU)
- Three USB 2.0 High-Speed ports vs two on D31 (vs ATSAMA5D31A-CU)
Notes de conception
The 324-LFBGA package at 0.8 mm pitch requires a minimum 4-layer PCB with micro-via fanout to escape the dense ball array. Place all decoupling capacitors (10 uF bulk + 100 nF per rail) within 2 mm of the corresponding balls to suppress transient current spikes. Use a continuous ground plane on layer 2 directly under the package to provide a low-impedance return path. DDR2 trace length-matching must be within 50 mils across the 16-bit data lane, address, and command groups; otherwise eye-diagram margins collapse at 533 MHz.
The SAMA5D3 requires four separate power rails: VDDCORE (1.0-1.2V, peak ~1.5 A), VDDPLL (1.0-1.2V with ferrite), VDDIODDR (1.8V for DDR2), and VDDIOPeri (1.8V/3.3V for I/O). Use a discrete PMIC like the ACT8865 or the Microchip MCP16502 with proper soft-start sequencing; VCore must ramp before VDDPLL. Failure to sequence correctly can latch the boot ROM and prevent JTAG recovery. Each rail should have its own bulk capacitor plus 100 nF X7R placed within 5 mm of the ball.
Do not confuse the 'CU' suffix (324-LFBGA industrial) with the 'CN' suffix (also 324-LFBGA but different pinout family, used by SAMA5D35/D36). The SAMA5D3 boot configuration must be strapped before VCore stabilizes - BMS (Boot Mode Select) and JTAG pins need pull-ups/pull-downs that remain stable during the first 50 ms of power-up. Mismatched SDRAM timing parameters in the bootstrap loader are a common cause of intermittent boot failures; always use the timing values from the BSP for the specific DDR2 part number.
Estimated: at 536 MHz with the CPU fully loaded (Cortex-A5 Dhrystone), the SAMA5D3 core dissipates roughly 0.6-0.8 W typical, 1.2 W peak. The 324-LFBGA has a theta_JA in the 25-30 C/W range on a 4-layer JEDEC test board. Junction temperature rise above 85 C ambient is therefore ~30 C - safe headroom for industrial applications, but designers should still provide a copper pour under the package for thermal spreading. Avoid placing the device directly under a heat-generating inductor or PMIC FET.
Informations de conformité
RoHS/lead-free per Microchip product page. Not AEC-Q100 qualified - automotive designers should consult the SAMA5D2x automotive variants. MSL level not confirmed from provided data.
