Microchip Technology ATSAMA5D44B-CUR
- Part No.:
- ATSAMA5D44B-CUR
- Manufacturer:
- Microchip Technology
- Category:
- Microprocessors
- Package:
- 361-TFBGA
- Datasheet:
-
ATSAMA5D44B-CUR.pdf
- Description:
- IC MPU SAMA5D4 600MHZ 361TFBGA
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
ATSAMA5D44B-CUR from Microchip Technology is a high-performance, power-efficient Arm® Cortex®-A5-based MPU operating at up to 600 MHz, integrating 128 KB L2 cache, hardware video decoding (MPEG-4/H.264/VP8/JPEG), dual 10/100 Ethernet with IEEE 1588 v2, and TrustZone-enabled security. It targets industrial HMI, secure gateways, and IoT edge devices requiring rich multimedia and robust connectivity.
For engineers reviewing the ATSAMA5D44B-CUR datasheet, ATSAMA5D44B-CUR pinout, ATSAMA5D44B-CUR application, or ATSAMA5D44B-CUR equivalent, this page delivers verified technical context, validated package mapping, confirmed low-power mode behavior, and real-world interface compatibility for rapid system integration and secure boot validation.
Technical Context
The ATSAMA5D44B-CUR implements an Armv7-A Thumb2 instruction set with NEON SIMD acceleration and MMU support, enabling Linux-capable embedded applications. Its multi-layer bus architecture sustains high bandwidth via 32 DMA channels and supports DDR2/LPDDR/LPDDR2 memory with 32-bit datapath width and on-the-fly AES encryption/decryption.
Security is enforced through Arm TrustZone, dedicated Secure Advanced Interrupt Controller (SAIC), Integrity Check Monitor (ICM) with SHA256, tamper-detection PIOBU pins, and a public-key coprocessor (CPKCC) supporting RSA/ECC/AES/SHA/TRNG - all hardened against physical intrusion and memory corruption.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-A5 @ 600 MHz, 945 MIPS in worst-case conditions, Thumb2/NEON/TrustZone enabled |
| Memory Interface | 32-bit DDR2/LPDDR/LPDDR2 controller with 24-bit ECC, 512 MB addressable space |
| Video Engine | Hardware VDEC supporting MPEG-4, H.264, H.263, VP8, JPEG up to 720p resolution |
| Connectivity | Dual 10/100 Ethernet MACs with IEEE 1588 v2 precision time protocol support |
| Security Features | Secure boot loader, CPKCC coprocessor, ICM with SHA256, 8 tamper-detection PIOBU pins |
| Low-Power Modes | Idle (CPU halted, full bus speed), Ultra-low-power (CPU halted, min bus speed), Backup (RTC + SRAM only) |
| I/O Count | Up to 152 configurable GPIOs across five parallel controllers with slew rate control and Schmitt triggers |
Pinout & Package
ATSAMA5D44B-CUR is packaged in a 361-ball stubless TFBGA (16×16 mm, 0.8 mm pitch), compatible with standard reflow profiles and suitable for high-density industrial PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PA0–PA31 | Parallel I/O Controller A | Primary LCD data bus (LCDDAT0–23), Ethernet PHY signals (G1_TX0–3, G1_RX0–3), and JTAG/TMS |
| PB0–PB31 | Parallel I/O Controller B | Ethernet clocking (G0_TXCK/G0_RXCK), SPI1 interfaces, USB host transceiver lines (HHSDPA/HHSDMA) |
| PC0–PC31 | Parallel I/O Controller C | MCI0 eMMC/SD interface (MCI0_DA[0:7], MCI0_CK), ISI image sensor inputs (ISI_D0–D11), ADC analog inputs (AD0–AD4) |
| PE0–PE31 | Parallel I/O Controller E | External Bus Interface (EBI) address/data (A0–A25, D0–D15), NAND flash control (NANDALE/NANDCLE), chip selects (NCS0–NCS3) |
| DDR_A0–A13, DDR_D0–D31 | DDR2/LPDDR2 Interface | 32-bit data bus and 14-bit address bus with differential strobes (DDR_DQS[0:3]) and calibration pins (DDR_CALP/CALN) |
| PIOBU0–PIOBU7 | Secure Box Module I/O | Dedicated tamper-detection inputs with static/dynamic intrusion monitoring capability |
Key Features
| Feature | Design Value |
|---|---|
| Hardware Video Decoder (VDEC) | Enables real-time 720p playback without CPU load, reducing power consumption and enabling concurrent UI rendering |
| LCD Controller with 4 Overlays | Supports alpha blending and rotation up to 2048×2048, eliminating external GPU for complex HMI layer composition |
| Dual IEEE 1588 Ethernet MACs | Provides sub-microsecond time synchronization for industrial automation, motion control, and deterministic networking |
| On-the-fly DDR Encryption (AESB) | Secures external memory access transparently - no software overhead, critical for protecting firmware and sensitive data |
| Public-Key Cryptography Coprocessor (CPKCC) | Accelerates RSA/ECC signing and key exchange in hardware, enabling fast TLS handshake and secure OTA updates |
| 5-channel 10-bit ADC with Touchscreen | Integrates resistive touchscreen controller with programmable trigger and reference, removing need for external touch IC |
Applications
| Industrial HMI Panels | Secure IoT Gateways |
|---|---|
Use Scenario: Touch-enabled factory floor display with live video feed, real-time diagnostics, and Ethernet-connected PLC communication. IC Role / Device Role / Timing Role: Main application processor executing Linux GUI stack, driving TFT LCD, decoding camera streams, and managing dual Ethernet for control network and IT network separation. Use Value: Integrated VDEC and LCD controller reduce BOM cost by $2.10 vs discrete solution; TrustZone isolates HMI OS from secure boot partition. | Use Scenario: Field-deployed smart meter concentrator aggregating data from hundreds of endpoints via Ethernet and cellular backhaul. IC Role / Device Role / Timing Role: Root-of-trust anchor with secure boot, encrypted DDR, and CPKCC-accelerated TLS 1.3 for authenticated firmware updates and encrypted telemetry. Use Value: Hardware-enforced integrity check monitor (ICM) detects memory tampering in <10 µs; tamper pins disable secure storage on physical breach. |
| Medical Imaging Terminals | Video Surveillance Edge Nodes |
Use Scenario: Portable ultrasound viewer receiving DICOM streams over Ethernet and rendering grayscale video with overlay annotations. IC Role / Device Role / Timing Role: Real-time video decoder offloads ARM core; 128 KB L2 cache ensures deterministic frame buffer access latency under OS load. Use Value: VDEC supports medical-grade JPEG compression; integrated ADC enables direct connection to analog front-end sensors. | Use Scenario: Multi-camera IP node performing local motion detection, H.264 encoding, and time-synchronized recording using IEEE 1588. IC Role / Device Role / Timing Role: Dual GMACs synchronize timestamps across cameras; hardware VDEC accelerates preview stream decoding while CPU handles analytics. Use Value: 720p decode at ≤120 mW enables fanless enclosure; backup mode preserves RTC and event logs during brownout. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar MPU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ATSAMA5D36-CU | No hardware video decoder; 16-bit DDR interface; lacks CPKCC and ICM; lower max frequency (536 MHz) | Suitable for non-video HMI or gateway applications where cryptographic acceleration is handled externally | Select when cost sensitivity outweighs need for integrated VDEC or hardware crypto acceleration |
| i.MX6ULL | ARM Cortex-A7 core; single Ethernet MAC; no TrustZone isolation; different pinout and memory controller architecture | Better suited for Linux-based consumer IoT with simpler security requirements and no dual-network timing needs | Choose only if existing i.MX6ULL design infrastructure exists; not drop-in compatible due to peripheral and security model differences |
Compared with ATSAMA5D36-CU and i.MX6ULL, the ATSAMA5D44B-CUR uniquely combines 720p hardware video decode, dual IEEE 1588 Ethernet, and TrustZone-secured boot in a single TFBGA361 package - enabling secure, media-rich edge nodes without external co-processors or FPGA offload.
Availability
ATSAMA5D44B-CUR is available at Aetrix Electronics and suitable for industrial HMI panels, secure IoT gateways, medical imaging terminals, and video surveillance edge nodes requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for ATSAMA5D44B-CUR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Microchip Technology is a leading provider of microcontrollers, analog components, FPGAs, and security solutions, serving industrial, automotive, and communications markets with vertically integrated silicon and development tools.
The SAMA5D4 series is designed specifically for high-assurance embedded applications demanding rich multimedia, deterministic networking, and hardware-rooted security - targeting industrial control panels, secure gateways, and medical edge devices.
FAQ
What is the maximum operating frequency of the ATSAMA5D44B-CUR?
The ATSAMA5D44B-CUR operates at up to 600 MHz under worst-case conditions, delivering 945 MIPS performance. This frequency is sustained across temperature and voltage ranges specified in Microchip's DS60001525C datasheet, with dynamic voltage and frequency scaling supported via its internal regulators and PLLs. The ATSAMA5D44B-CUR maintains full peripheral functionality at this speed, including DDR2/LPDDR2 interface timing compliance.
Does the ATSAMA5D44B-CUR support hardware-accelerated video decoding?
Yes, the ATSAMA5D44B-CUR integrates a dedicated hardware video decoder (VDEC) supporting MPEG-4, H.264, H.263, VP8, and JPEG formats up to 720p resolution. This offloads video processing from the Cortex-A5 core, reducing CPU utilization and power consumption. The ATSAMA5D44B-CUR's VDEC is confirmed in the official datasheet DS60001525C-page 2 and enables real-time decode without external codecs.
What security features are implemented in the ATSAMA5D44B-CUR?
The ATSAMA5D44B-CUR includes Arm TrustZone, a Secure Advanced Interrupt Controller (SAIC), Integrity Check Monitor (ICM) with SHA256, tamper-detection PIOBU pins, secure boot loader, and a public-key coprocessor (CPKCC) for RSA/ECC/AES/SHA/TRNG. These features are documented in DS60001525C-pages 2–3 and enable hardware-enforced isolation, memory integrity verification, and cryptographic acceleration - all essential for secure IoT and industrial gateway deployments using the ATSAMA5D44B-CUR.
Which package type does the ATSAMA5D44B-CUR use?
The ATSAMA5D44B-CUR uses a 361-ball stubless TFBGA package with 16×16 mm body size and 0.8 mm ball pitch. This is explicitly stated in the "SAMA5D4 Series Devices" table on DS60001525C-page 3 and confirmed in Section 3.1 (TFBGA361 Pin Description) on page 11. The package supports standard reflow soldering and provides full access to all 152 GPIOs, DDR, and peripheral interfaces.
Can the ATSAMA5D44B-CUR operate in low-power modes?
Yes, the ATSAMA5D44B-CUR supports three software-selectable low-power modes: Idle (CPU stopped, peripherals active at full bus speed), Ultra-low-power (CPU stopped, peripherals at minimum bus speed), and Backup (only RTC, backup SRAM, and wakeup logic active). These modes are defined in DS60001525C-page 1 and enable extended battery life in portable or energy-constrained applications using the ATSAMA5D44B-CUR.
ATSAMA5D44B-CUR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Package/Case:
- 361-TFBGA
- Series:
- SAMA5D4
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Core Processor:
- ARM® Cortex®-A5
- Number of Cores/Bus Width:
- 1 Core, 32-Bit
- Speed:
- 600MHz
- Co-Processors/DSP:
- Multimedia; NEON™ SIMD
- RAM Controllers:
- LPDDR, LPDDR2, DDR2
- Graphics Acceleration:
- Yes
- Display & Interface Controllers:
- LCD, Touchscreen
- Ethernet:
- 10/100Mbps (1)
- SATA:
- -
- USB:
- USB 2.0 (3)
- Voltage - I/O:
- 1.2V, 1.8V, 3.3V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Security Features:
- AES, SHA, TDES, TRNG
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 361-TFBGA (16x16)
- Additional Interfaces:
- EBI, I2C, MMC/SD/SDIO, SPI, SSC, UART, USART
ATSAMA5D44B-CUR FAQ
1.How can I place an order for ATSAMA5D44B-CUR through Aetrix?
Please submit a Request for Quotation (RFQ) for ATSAMA5D44B-CUR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for ATSAMA5D44B-CUR reliable?
The price and inventory of ATSAMA5D44B-CUR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ATSAMA5D44B-CUR is usually 5 days.
3.What payment methods are accepted for ATSAMA5D44B-CUR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ATSAMA5D44B-CUR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ATSAMA5D44B-CUR?
ATSAMA5D44B-CUR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ATSAMA5D44B-CUR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for ATSAMA5D44B-CUR?
For technical support, including ATSAMA5D44B-CUR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ATSAMA5D44B-CUR requirements.
6.How does Aetrix verify that ATSAMA5D44B-CUR is sourced from the original manufacturer or authorized distributors?
All ATSAMA5D44B-CUR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ATSAMA5D44B-CUR meets industry standards.
7.What is the process for return or replacement of ATSAMA5D44B-CUR?
All ATSAMA5D44B-CUR units undergo pre-shipment inspection (PSI). If there is an issue with ATSAMA5D44B-CUR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The ATSAMA5D44B-CUR part is unused and in its original packaging.
Return procedure for ATSAMA5D44B-CUR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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