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Microchip Technology ATSAMA5D41B-CU
- Part No.:
- ATSAMA5D41B-CU
- Manufacturer:
- Microchip Technology
- Category:
- Microprocessors
- Package:
- 289-LFBGA
- Datasheet:
-
ATSAMA5D41B-CU.pdf
- Description:
- IC MPU SAMA5D4 600MHZ 289LFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:119
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Product details
Overview
ATSAMA5D41B-CU from Microchip Technology is a 600 MHz Arm® Cortex®-A5-based MPU with TrustZone® security, 128 KB L2 cache, dual 10/100 Ethernet MACs with IEEE 1588 v2, and hardware-accelerated 720p video decode (MPEG-4/H.264/VP8/JPEG). It integrates a 5-channel 10-bit ADC with resistive touchscreen support and targets secure industrial HMI and IoT gateway applications.
For engineers reviewing the ATSAMA5D41B-CU datasheet, ATSAMA5D41B-CU pinout, ATSAMA5D41B-CU application, or ATSAMA5D41B-CU equivalent, key selection criteria include its LFBGA289 package, 16-bit DDR datapath, absence of integrated video decoder, and dedicated security peripherals including CPKCC for RSA/ECC and AESB for on-the-fly DDR encryption.
Technical Context
The ATSAMA5D41B-CU implements a full Armv7-A architecture with NEON SIMD engine and MMU, enabling Linux-capable embedded systems. Its memory subsystem includes 32 KB instruction/data caches, 128 KB L2 cache, and a 16-bit DDR2/LPDDR/LPDDR2 controller supporting up to 512 MB with 24-bit ECC for NAND Flash.
Security is enforced via Arm TrustZone®, dedicated Secure Advanced Interrupt Controller (SAIC), Integrity Check Monitor (ICM) using SHA256, tamper-detection PIOBU pins, and hardware cryptographic accelerators for AES-256, SHA-512, TRNG, and public-key operations via CPKCC coprocessor.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-A5 @ 600 MHz, Thumb2 instruction set, NEON SIMD, TrustZone security extension |
| Memory Interface | 16-bit DDR2/LPDDR/LPDDR2 controller with 512 MB address space and partial-area AES encryption/decryption |
| Security Features | CPKCC coprocessor (RSA/ECC), AESB bridge (AES-128 DDR encryption), ICM (SHA256 memory integrity), 8 tamper-detect PIOBU pins |
| Peripherals | Dual 10/100 Ethernet MACs with IEEE 1588 v2, 3x HS USB (1 device + 3 host), 5x USART, 4x TWI, 3x SPI, 3x TC, 4-channel PWM, 5-channel 10-bit ADC with touchscreen |
| Package | 289-ball stubless LFBGA, 14×14 mm body, 0.8 mm pitch, RoHS-compliant |
| Power Modes | Three software-selectable low-power states: Idle (CPU stopped, bus at full speed), Ultra-low-power (bus at minimum frequency), Backup (RTC + backup SRAM only) |
Pinout & Package
ATSAMA5D41B-CU is housed in a 289-ball stubless LFBGA package (14×14 mm, 0.8 mm pitch), optimized for high-density industrial PCB layouts and thermal performance in fanless HMI designs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| NRST | Microprocessor Reset Input | Active-low asynchronous reset; must be held low ≥100 ns after power stabilization for reliable boot |
| XIN/XOUT | Main Crystal Oscillator Interface | Supports 12 MHz fundamental-mode crystal; enables system clock generation and PLL reference |
| DDR_A0–DDR_A13 | DDR Address Bus | 14-bit address lines for 16-bit DDR interface; supports up to 512 MB addressing with bank select |
| DDR_D0–DDR_D15 | DDR Data Bus | 16-bit bidirectional data path with DQS strobes; requires matched trace length and DDR termination design |
| G0_TX0–G0_TX3 / G0_RX0–G0_RX3 | Ethernet PHY Interface | Dual 10/100 MACs with MII/RMII support; GMAC0/GMAC1 each provide full 4-bit nibble data paths |
| PA0–PA31, PB0–PB31, etc. | Programmable I/O Banks | 152 total GPIOs across five PIO controllers; support slew rate control, Schmitt trigger, pull-up/down, and interrupt-on-change |
Key Features
| Feature | Design Value |
|---|---|
| TrustZone-enabled Secure Boot | Enforces authenticated, encrypted firmware loading from internal ROM or external media, preventing unauthorized code execution |
| Hardware Cryptographic Acceleration | CPKCC coprocessor offloads RSA/ECC signing/verification; AESB enables transparent DDR encryption without CPU overhead |
| Integrated Touchscreen ADC | 5-channel 10-bit SAR ADC with dedicated ADTRG trigger and ADVREF reference-supports 4-wire resistive touch panel interfacing |
| Dual IEEE 1588 v2 Ethernet MACs | Enables precise time synchronization (<100 ns accuracy) for industrial automation, PLC backplanes, and synchronized sensor networks |
| Low-Power Operation Modes | Ultra-low-power mode reduces dynamic power by >70% vs. active mode while retaining peripheral operation at minimal bus frequency |
Applications
| Industrial HMI Panels | Secure IoT Gateways |
|---|---|
Use Scenario: Fanless, DIN-rail mounted control panels in factory automation requiring local video playback and real-time machine status visualization. IC Role / Device Role / Timing Role: Main application processor executing Linux with Qt-based GUI; handles LCD TFT controller (720p overlays), resistive touchscreen input, and dual Ethernet for PLC communication. Use Value: Eliminates need for external video decoder IC and discrete security elements-reducing BOM count and board area by 30% versus discrete solutions. | Use Scenario: Edge node aggregating sensor data from Modbus/KNX field buses and forwarding to cloud via TLS-secured MQTT over dual Ethernet uplinks. IC Role / Device Role / Timing Role: Root-of-trust anchor with secure boot, hardware AES/SHA acceleration, and tamper detection; manages encrypted DDR access and isolated secure storage. Use Value: Meets IEC 62443-3-3 SL2 requirements via hardware-enforced memory isolation, runtime integrity checking, and cryptographic key protection. |
| Medical Device UI Controllers | Smart Energy Meters |
Use Scenario: Portable diagnostic equipment with color LCD display, touch navigation, and HIPAA-compliant local data logging. IC Role / Device Role / Timing Role: Application processor running real-time OS; interfaces to LCD controller, ADC for analog sensor inputs, and eMMC for encrypted patient data storage. Use Value: On-chip TRNG and FIPS 140-3 compliant AES-256 enable NIST SP 800-90B entropy sourcing and data-at-rest encryption without external crypto IC. | Use Scenario: Two-way AMI meter with time-of-use billing, anti-tampering alerts, and firmware update validation over powerline or RF mesh. IC Role / Device Role / Timing Role: Secure metering SoC managing metrology interface, secure bootloader, AES-encrypted flash updates, and IEEE 1588-synchronized timekeeping. Use Value: Hardware-based ICM detects memory corruption during OTA updates; PIOBU tamper pins trigger zeroization of keys upon enclosure breach. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar MPU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ATSAMA5D43B-CU | Same LFBGA289 package but includes hardware video decoder (VDEC) supporting H.264/MPEG-4; retains 16-bit DDR interface | Suitable for cost-sensitive HMI designs requiring local video playback without external decoder | Select when video decode capability is required; ATSAMA5D41B-CU lacks VDEC block entirely per SAMA5D4 Series datasheet Table 1-1 |
| ATSAMA5D44B-CU | TFBGA361 package with 32-bit DDR interface and integrated VDEC; higher memory bandwidth and larger footprint | Better suited for graphics-intensive applications needing >720p overlay composition or faster DDR throughput | Choose for higher DDR bandwidth needs; incompatible pinout and PCB layout-requires redesign |
Compared with ATSAMA5D43B-CU, ATSAMA5D41B-CU saves cost and power by omitting the video decoder, making it optimal for non-video HMI or secure gateway use cases; versus ATSAMA5D44B-CU, it trades DDR bandwidth and video capability for smaller footprint and lower BOM cost in space-constrained designs.
Availability
ATSAMA5D41B-CU is available at Aetrix Electronics and suitable for industrial HMI panels, secure IoT gateways, and medical UI controllers requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for ATSAMA5D41B-CU 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, FPGA, and connectivity solutions, with deep expertise in embedded security and industrial-grade reliability.
The SAMA5D4 series is designed specifically for secure, Linux-capable edge devices-emphasizing hardware-enforced trust, low-power operation, and rich peripheral integration for industrial HMI and IoT infrastructure.
FAQ
What is the maximum operating frequency of the ATSAMA5D41B-CU processor core?
The ATSAMA5D41B-CU features an Arm Cortex-A5 core rated for operation up to 600 MHz under worst-case conditions (105°C junction temperature, minimum VDDCORE), delivering 945 MIPS performance as verified in Microchip's DS60001525C datasheet Section 2.
Does the ATSAMA5D41B-CU include a hardware video decoder?
No, the ATSAMA5D41B-CU does not integrate a video decoder. Per the SAMA5D4 Series datasheet Table 1-1, only SAMA5D44 and SAMA5D43 variants include the VDEC block; ATSAMA5D41B-CU is explicitly marked with "–" for Video Decoder functionality.
What DDR memory types and widths does the ATSAMA5D41B-CU support?
The ATSAMA5D41B-CU supports DDR2, LPDDR, and LPDDR2 memory via a 16-bit wide interface, with address space up to 512 MB and built-in 24-bit ECC for NAND Flash. Its DDR datapath width is fixed at 16 bits-unlike the 32-bit interface in the TFBGA361 variants.
How many Ethernet MAC interfaces does the ATSAMA5D41B-CU provide, and what timing features do they support?
The ATSAMA5D41B-CU integrates two independent 10/100 Mbps Ethernet MAC controllers (GMAC0 and GMAC1), both compliant with IEEE 1588 v2 Precision Time Protocol for sub-100 ns timestamp accuracy-enabling deterministic networking in industrial control and synchronized sensor applications.
What security peripherals are integrated into the ATSAMA5D41B-CU for protecting firmware and data?
The ATSAMA5D41B-CU includes Arm TrustZone®, Secure Advanced Interrupt Controller (SAIC), Integrity Check Monitor (ICM) with SHA256, tamper-detection PIOBU pins, CPKCC coprocessor for RSA/ECC, AESB for on-the-fly DDR encryption, and a FIPS-compliant TRNG-providing a hardware-rooted security stack for secure boot and runtime protection.
ATSAMA5D41B-CU Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Package/Case:
- 289-LFBGA
- Series:
- SAMA5D4
- Packaging:
- Tray
- 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:
- 289-LFBGA (14x14)
- Additional Interfaces:
- EBI, I2C, MMC/SD/SDIO, SPI, SSC, UART, USART
ATSAMA5D41B-CU FAQ
1.How can I place an order for ATSAMA5D41B-CU through Aetrix?
Please submit a Request for Quotation (RFQ) for ATSAMA5D41B-CU 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 ATSAMA5D41B-CU reliable?
The price and inventory of ATSAMA5D41B-CU are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ATSAMA5D41B-CU is usually 5 days.
3.What payment methods are accepted for ATSAMA5D41B-CU?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ATSAMA5D41B-CU transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ATSAMA5D41B-CU?
ATSAMA5D41B-CU orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ATSAMA5D41B-CU 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 ATSAMA5D41B-CU?
For technical support, including ATSAMA5D41B-CU datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ATSAMA5D41B-CU requirements.
6.How does Aetrix verify that ATSAMA5D41B-CU is sourced from the original manufacturer or authorized distributors?
All ATSAMA5D41B-CU 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 ATSAMA5D41B-CU meets industry standards.
7.What is the process for return or replacement of ATSAMA5D41B-CU?
All ATSAMA5D41B-CU units undergo pre-shipment inspection (PSI). If there is an issue with ATSAMA5D41B-CU, 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 ATSAMA5D41B-CU part is unused and in its original packaging.
Return procedure for ATSAMA5D41B-CU:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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