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Microchip Technology ATSAMA5D41A-CU
- Part No.:
- ATSAMA5D41A-CU
- Manufacturer:
- Microchip Technology
- Category:
- Microprocessors
- Package:
- 289-LFBGA
- Datasheet:
-
ATSAMA5D41A-CU.pdf
- Description:
- IC MPU SAMA5D4 600MHZ 289LFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,359
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Product details
Overview
ATSAMA5D41A-CU from Microchip Technology is a 600 MHz Arm® Cortex®-A5-based microprocessor unit (MPU) with TrustZone® security, 128 KB L2 cache, NEON™ SIMD engine, and dual 10/100 Ethernet MACs with IEEE 1588 v2 support. It integrates a 5-channel 10-bit ADC with resistive touchscreen interface, LCD controller supporting 720p overlays, and hardware video decoder for H.264/MPEG-4/VP8/JPEG - deployed in industrial HMIs and secure IoT gateways.
For engineers reviewing the ATSAMA5D41A-CU datasheet, ATSAMA5D41A-CU pinout, ATSAMA5D41A-CU application, or ATSAMA5D41A-CU equivalent, this page delivers verified technical context, package-specific pin mapping, low-power mode behavior, cryptographic coprocessor capabilities, and real-world use-case validation - all grounded in Microchip's DS60001525C specification.
Technical Context
The ATSAMA5D41A-CU implements a multi-layer bus architecture with 32 DMA channels to sustain high-bandwidth data flow between its Cortex-A5 core, DDR2/LPDDR2 memory controller (16-bit datapath), and peripherals including GMAC, USB HS, ISI, and VDEC. Its system clock runs up to 200 MHz under worst-case conditions, supported by dedicated PLLs (600–1200 MHz for system, 480 MHz for USB).
Security is enforced via TrustZone®, on-the-fly AES encryption/decryption of DDR traffic, Integrity Check Monitor (ICM) using SHA256, tamper detection on 8 PIOBU pins, and a dedicated Public Key Coprocessor (CPKCC) accelerating RSA/ECC/AES/SHA/TDES/TRNG - all backed by scrambled 8 KB SECURAM and 512-bit fuse-protected registers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-A5 @ 600 MHz, Thumb2 instruction set, TrustZone-enabled, 945 MIPS worst-case performance |
| Memory Subsystem | 128 KB L2 cache; 32 KB I-cache + 32 KB D-cache; 16-bit DDR2/LPDDR2 controller with 24-bit ECC for NAND |
| Video & Graphics | Hardware 720p video decoder (H.264/MPEG-4/VP8/JPEG); LCD controller with 4 overlays, alpha blending, rotation |
| Connectivity | Dual 10/100 Ethernet MACs with IEEE 1588 v2; 3x HS USB ports (1 device + 3 host); 5x USARTs, 3x SPI, 4x TWI/I²C |
| Security Engine | Dedicated CPKCC coprocessor for RSA/ECC; AES-256/TDES/SHA-512; TRNG compliant with NIST SP 800-22 & FIPS 140-2/3 |
| Analog Interface | 5-channel 10-bit ADC with resistive touchscreen support; ADVREF reference input; ADTRIG external trigger |
| Low-Power Modes | Idle (CPU halted, full bus speed), Ultra-low-power (CPU halted, min bus speed), Backup (RTC + backup SRAM only) |
Pinout & Package
ATSAMA5D41A-CU is housed in a 289-ball stubless LFBGA package (14×14 mm, 0.8 mm pitch), as confirmed in DS60001525C-page 3 and page 10. This variant lacks the video decoder (VDEC) and uses a 16-bit DDR datapath - distinguishing it from TFBGA361 variants like SAMA5D44.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PA0–PA31 | Parallel I/O Controller A | Configurable GPIO with slew rate control, Schmitt-trigger inputs, and interrupt-on-change capability |
| G0_TX0–G0_TX3 / G0_RX0–G0_RX3 | Ethernet PHY interface (GMAC0) | Direct connection to 10/100 Ethernet PHY; supports MII/RMII; includes CRS, COL, MDIO/MDC signals |
| DDR_A0–DDR_A13 / DDR_D0–DDR_D15 | 16-bit DDR2/LPDDR2 interface | Supports up to 512 MB DDR2/LPDDR2 with calibration (CALP/CALN), differential strobes (DQS/DQSN), and write mask (DQM) |
| MCI0_DA[7:0] / MCI0_CK / MCI0_CDA | eMMC 4.3 / SD 2.0 host interface | Full-speed MMC/SD card support with command/data lines, clock, and card detect; integrated CRC and FIFO |
| LCDDAT0–LCDDAT23 / LCDHSYNC / LCDVSYNC | LCD TFT controller outputs | 24-bit RGB parallel interface supporting up to 2048×2048 resolution or 720p video; includes pixel clock (LCDPCK) and enable (LCDDEN) |
| AD0–AD4 / ADVREF / ADTRIG | Resistive touchscreen ADC inputs | 5 analog inputs with internal reference; supports X/Y coordinate sampling and pressure measurement via external bridge |
Key Features
| Feature | Design Value |
|---|---|
| TrustZone®-secured execution environment | Hardware-enforced isolation between secure/non-secure worlds; enables secure boot, encrypted firmware updates, and protected key storage |
| On-the-fly DDR encryption/decryption (AESB) | Automatically encrypts/decrypts DDR read/write traffic using AES-128 without CPU overhead - critical for protecting runtime code/data |
| Public Key Cryptography Coprocessor (CPKCC) | Offloads RSA/ECC signing/verification and key generation; reduces boot time and runtime latency for TLS/SSH/secure OTA |
| Integrity Check Monitor (ICM) | Hardware-accelerated SHA256 hashing of memory regions; detects unauthorized modification of boot code or firmware partitions |
| Three configurable low-power modes | Enables sub-100 µA standby current in Backup mode while retaining RTC, backup SRAM, and wake-up logic - ideal for battery-backed systems |
| Scrambled 128 KB internal SRAM & ROM | Single-cycle access at system speed; prevents physical probing attacks by obfuscating boot loader and critical variables |
Applications
| Industrial HMI Panel | Secure IoT Gateway |
|---|---|
|
Use Scenario: A wall-mounted factory control panel displaying real-time machine status, alarms, and trend charts with touch navigation. IC Role / Device Role / Timing Role: ATSAMA5D41A-CU serves as the main application processor - executing Linux, driving 720p LCD with hardware overlays, decoding live camera feeds via ISI, and managing EtherCAT/Modbus TCP over dual GMACs. Use Value: Integrated VDEC and LCD controller eliminate external video ICs; TrustZone and ICM ensure firmware integrity against tampering during remote updates. |
Use Scenario: An edge gateway aggregating sensor data from Modbus RTU field devices and forwarding encrypted telemetry to cloud platforms via TLS. IC Role / Device Role / Timing Role: ATSAMA5D41A-CU acts as the secure application host - running embedded Linux, performing AES-256 encryption of payloads, validating signatures via CPKCC, and enforcing secure boot before loading network stacks. Use Value: On-chip TRNG and hardware-accelerated crypto reduce BOM cost and latency vs. software-only implementations; tamper-detect pins disable keys upon physical intrusion. |
| Medical Patient Monitor | Smart Building Controller |
|
Use Scenario: A portable bedside monitor rendering ECG waveforms, SpO₂ trends, and alarm indicators on a color TFT display with glove-friendly resistive touch. IC Role / Device Role / Timing Role: ATSAMA5D41A-CU functions as the UI processor - acquiring analog sensor data via its 10-bit ADC, overlaying graphics on LCD, and logging data to eMMC with AES-encrypted filesystem. Use Value: Integrated touchscreen ADC eliminates external digitizer IC; low-power Backup mode preserves real-time clock and last vitals during battery swaps. |
Use Scenario: A DIN-rail mounted HVAC controller managing zone temperatures, lighting schedules, and occupancy sensors across commercial buildings. IC Role / Device Role / Timing Role: ATSAMA5D41A-CU operates as the deterministic control engine - running real-time Linux PREEMPT_RT, synchronizing time across nodes via IEEE 1588 PTP, and interfacing with CAN/RS-485 via UART/SPI bridges. Use Value: Dual GMACs enable redundant LAN links; programmable 64-bit timers and PWM controllers directly drive valve actuators and dimmable LED drivers without FPGA assistance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar MPU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ATSAMA5D43A-CU | LFBGA289 package, same 600 MHz Cortex-A5 core, but includes hardware video decoder (VDEC) and 16-bit DDR | Required for applications needing local video playback (e.g., digital signage, kiosks) - ATSAMA5D41A-CU lacks VDEC | Select ATSAMA5D43A-CU when MPEG-4/H.264 decode is mandatory; otherwise ATSAMA5D41A-CU offers lower cost and identical security/peripheral set |
| ATSAMA5D27C-CU | Arm Cortex-A5 @ 500 MHz, 128 KB L2 cache, no VDEC, but adds ARM CryptoCell-310 and enhanced TrustZone features | Better suited for high-assurance applications (e.g., payment terminals, government IoT) requiring FIPS 140-3 Level 3 certification | Choose ATSAMA5D27C-CU for certified crypto acceleration and hardened secure world; ATSAMA5D41A-CU remains optimal for cost-sensitive industrial HMIs |
Compared with ATSAMA5D43A-CU, ATSAMA5D41A-CU omits video decode but retains identical low-power modes, crypto engines, and peripheral count - making it ideal for non-video HMI designs. Against ATSAMA5D27C-CU, it trades certified crypto blocks for broader peripheral integration and higher clock frequency, favoring flexibility over compliance-critical deployments.
Availability
ATSAMA5D41A-CU is available at Aetrix Electronics and suitable for industrial HMI panels, secure IoT gateways, medical patient monitors, and smart building controllers requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for ATSAMA5D41A-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 components, and Flash-IP solutions, serving industrial, automotive, and communications markets with silicon, development tools, and security IP.
The SAMA5D4 series targets high-performance, power-efficient applications in industrial HMIs and secure IoT edge devices - combining Arm Cortex-A5 processing, hardware-accelerated multimedia, and comprehensive TrustZone-based security.
FAQ
What is the maximum operating frequency of the ATSAMA5D41A-CU processor core?
The ATSAMA5D41A-CU features an Arm Cortex-A5 core rated for operation up to 600 MHz under worst-case conditions, delivering 945 MIPS performance. This frequency is sustained using the internal 600–1200 MHz PLL and validated across temperature and voltage corners per DS60001525C.
Does the ATSAMA5D41A-CU include a hardware video decoder?
No, the ATSAMA5D41A-CU does not include a hardware video decoder (VDEC). As specified in DS60001525C-page 3, only SAMA5D44 and SAMA5D43 variants integrate VDEC; ATSAMA5D41A-CU is optimized for non-video HMI and control applications with identical security and connectivity features.
What DDR memory types and widths does the ATSAMA5D41A-CU support?
The ATSAMA5D41A-CU supports DDR2, LPDDR, and LPDDR2 memory using a 16-bit datapath, as confirmed in DS60001525C-page 3. It includes full calibration support (CALP/CALN), differential strobes (DQS/DQSN), and 24-bit ECC for NAND flash - but no 32-bit DDR interface.
How many Ethernet MAC interfaces does the ATSAMA5D41A-CU provide?
The ATSAMA5D41A-CU integrates two independent 10/100 Mbps Ethernet MAC controllers (GMAC0 and GMAC1), both compliant with IEEE 1588 v2 for precision time protocol synchronization. Each supports MII/RMII PHY interfaces and full-duplex operation with hardware checksum offload.
What security features are implemented in hardware on the ATSAMA5D41A-CU?
The ATSAMA5D41A-CU implements TrustZone®, on-the-fly AES-128 DDR encryption (AESB), Integrity Check Monitor (ICM) with SHA256, tamper detection on 8 PIOBU pins, dedicated CPKCC coprocessor for RSA/ECC, TRNG compliant with NIST SP 800-22, and scrambled 128 KB internal SRAM/ROM - all documented in DS60001525C sections 1–3.
ATSAMA5D41A-CU Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Package/Case:
- 289-LFBGA
- Series:
- SAMA5D4
- Packaging:
- Tray
- Product Status:
- Obsolete
- 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
ATSAMA5D41A-CU FAQ
1.How can I place an order for ATSAMA5D41A-CU through Aetrix?
Please submit a Request for Quotation (RFQ) for ATSAMA5D41A-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 ATSAMA5D41A-CU reliable?
The price and inventory of ATSAMA5D41A-CU are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ATSAMA5D41A-CU is usually 5 days.
3.What payment methods are accepted for ATSAMA5D41A-CU?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ATSAMA5D41A-CU transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ATSAMA5D41A-CU?
ATSAMA5D41A-CU orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ATSAMA5D41A-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 ATSAMA5D41A-CU?
For technical support, including ATSAMA5D41A-CU datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ATSAMA5D41A-CU requirements.
6.How does Aetrix verify that ATSAMA5D41A-CU is sourced from the original manufacturer or authorized distributors?
All ATSAMA5D41A-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 ATSAMA5D41A-CU meets industry standards.
7.What is the process for return or replacement of ATSAMA5D41A-CU?
All ATSAMA5D41A-CU units undergo pre-shipment inspection (PSI). If there is an issue with ATSAMA5D41A-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 ATSAMA5D41A-CU part is unused and in its original packaging.
Return procedure for ATSAMA5D41A-CU:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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