ATSAMA5D26C-CUR - 500MHz Cortex-A5 MPU 289-LFBGA | Microchip
MPN： ATSAMA5D26C-CUR ✓ 啟用中ATSAMA5D26C-CUR 概覽
An MPU (Microprocessor Unit) is a class of integrated circuit that integrates a CPU core with memory management and on-chip peripherals, executing a full operating system such as Linux or RTOS. MPUs sit above microcontrollers (MCUs) in the embedded hierarchy: MCU -> MPU -> application processor -> SoC. The Cortex-A5 core delivers an application-class instruction set with MMU support while maintaining power consumption suitable for battery-powered or thermally constrained designs. The 500 MHz operation provides ample headroom for graphical user interfaces, network protocol stacks, and edge analytics.
Key features include the Arm Cortex-A5 core with NEON media engine and floating-point unit, dual 10/100 Ethernet MACs with IEEE 1588 support, two High-Speed USB 2.0 ports with integrated PHY, two CAN-FD controllers, and an LCD TFT controller for displays up to WXGA resolution. The peripheral multiplexing allows flexible pin assignment, with dedicated I/O supply rails supporting 1.8V or 3.3V signaling. Security hardening covers secure boot from signed firmware, hardware cryptographic accelerators, and tamper detection pins for anti-tamper designs.
Typical applications include industrial HMI panels, building automation gateways, smart energy metering terminals, medical patient monitors, and edge IoT gateways. The combination of deterministic Cortex-A5 performance, low standby power, and Linux support enables rapid deployment of connected products requiring graphical interfaces or networked protocol stacks. The 289-LFBGA package requires careful PCB layout but allows integration of all interfaces in a compact footprint suitable for industrial temperature grade operation from -40C to +85C.
When designing with this device, allocate sufficient PCB layers (typically 6 or more) to route the LFBGA ball escape and maintain signal integrity for DDR3L memory. Use the Microchip-provided Linux4SAM distribution and the SAMA5D2 Xplained evaluation board reference design to accelerate firmware bring-up and validate peripherals before committing to layout.
直接替換替代品，適用於 ATSAMA5D26C-CUR — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： ATSAMA5D26C-CUR （相同外形與佔位） — 差異在於 Package, Ethernet, USB, Core Architecture, Operating Temperature.
ATSAMA5D26C-CU
✅ 直接替換聯絡詢價
查看資料表 →ATSAMA5D26C-CNR
✅ 直接替換聯絡詢價
查看資料表 →ATSAMA5D26A-CUR
✅ 直接替換聯絡詢價
查看資料表 →ATSAMA5D24C-CUR
✅ 直接替換聯絡詢價
查看資料表 →ATSAMA5D27C-CU
✅ 直接替換聯絡詢價
查看資料表 →ATSAMA5D28C-LD2G-CUR
✅ 直接替換聯絡詢價
查看資料表 →ATSAMA5D26C-CUR 最大額定值與電氣特性
| Core Processor | ARM Cortex-A5 |
| Core Count | 1 |
| 資料匯流排寬度 | 32-Bit |
| 最大時脈頻率 | 500 MHz |
| Internal SRAM | 128 KB |
| External Memory Support | DDR2, DDR3L, LPDDR2, LPDDR3, QSPI, e.MMC |
| 封裝 | 289-LFBGA (14x14 mm) |
| 工作溫度 | -40C to +85C (Industrial) |
| 供應電壓 | 1.2V core, 1.8V/3.3V I/O |
| Ethernet | Dual 10/100 MAC with IEEE 1588 |
| USB | 2x USB 2.0 High-Speed with integrated PHY |
| CAN | 2x CAN-FD controllers |
| Display Controller | LCD TFT up to WXGA resolution |
| Security | Secure boot, AES, SHA, TRNG, tamper pins |
| 安裝類型 | Surface Mount |
| RoHS 狀態 | Compliant |
| Packaging Type | Tape & Reel |
ATSAMA5D26C-CUR 289-lfbga (14x14 mm) 腳位配置指南
ATSAMA5D26C-CUR（289-lfbga (14x14 mm) 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： ATSAMA5D26C-CUR.
請參閱 資料表 以查看完整腳位配置。
典型應用
ATSAMA5D26C-CUR 適用於 6 應用s: Industrial HMI Control Panels, Building Automation Gateways, Smart Energy Metering Terminals, Medical Patient Monitoring, Edge IoT Gateways, Digital Signage and Kiosks.
Industrial HMI Control Panels
The ATSAMA5D26C-CUR's 500 MHz Cortex-A5 core combined with the integrated LCD TFT controller supporting up to WXGA resolution makes it ideal for industrial HMI panels. The integrated LCD controller drives TFT displays directly without external graphics chips, reducing BOM cost. Dual 10/100 Ethernet enables redundant network connectivity for SCADA integration, while CAN-FD supports real-time communication with PLCs and motor drives. Linux4SAM provides Qt/GTK graphical stacks ready for HMI deployment in factory automation.
推薦
Building Automation Gateways
The ATSAMA5D26C-CUR's dual Ethernet MACs with IEEE 1588 timestamping enable precise protocol synchronization for BACnet/IP, KNX, and Modbus TCP gateway applications. The 500 MHz processing power handles encrypted TLS communications with cloud services while managing local BACnet data points. CAN-FD interfaces support HVAC equipment and elevator controllers, while USB 2.0 ports enable Wi-Fi or Bluetooth module attachment. Secure boot prevents firmware tampering in security-sensitive deployments.
推薦
Smart Energy Metering Terminals
The ATSAMA5D26C-CUR supports smart energy metering terminals requiring real-time power calculation, secure data logging, and communication with utility backhaul networks. The Cortex-A5 core runs metering firmware stacks while the hardware AES/SHA accelerators secure DLMS/COSEM or IEC 61850 communications. Wide operating temperature (-40C to +85C) suits outdoor cabinet deployment, and the LFBGA package withstands industrial vibration. Multiple UART interfaces connect to metrology front-end ASICs.
推薦
Medical Patient Monitoring
Medical patient monitors benefit from the ATSAMA5D26C-CUR's deterministic Linux execution and rich peripheral set for multi-parameter acquisition. The dual Ethernet supports isolated network connectivity to hospital EMR systems, while USB enables bedside accessory attachment. The hardware TRNG and secure boot support FDA cybersecurity guidance compliance. The industrial temperature grade supports continuous operation in clinical environments, and Linux enables IEC 62304-compliant software development processes.
推薦
Edge IoT Gateways
The ATSAMA5D26C-CUR serves as a capable edge IoT gateway, aggregating sensor data from field devices and forwarding processed analytics to cloud platforms. The 500 MHz Cortex-A5 with NEON enables on-device machine learning inference, while dual Ethernet supports daisy-chained industrial network topologies. CAN-FD and UART interfaces connect to legacy industrial equipment, and USB 2.0 attaches cellular or Wi-Fi modems. Linux supports Docker containers and MQTT/OPC-UA protocol stacks for Industry 4.0.
推薦
Digital Signage and Kiosks
The ATSAMA5D26C-CUR's integrated LCD TFT controller and 500 MHz performance drive digital signage displays and interactive kiosks. The hardware video decoder handles compressed media streams, while USB ports support touchscreens, cameras, and payment peripherals. Linux supports HTML5-based kiosk applications and remote management frameworks. Industrial temperature grade enables outdoor enclosure deployment, and secure boot prevents unauthorized content modification in public-facing installations.
推薦
推薦產品摘要
工程參考資料，適用於 ATSAMA5D26C-CUR — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | ATSAMA5D26C-CU | ATSAMA5D26C-CNR | ATSAMA5D24C-CUR | ATSAMA5D27C-CU |
|---|---|---|---|---|---|
| Package | 289-LFBGA (14x14) | 289-LFBGA (14x14) | 289-LFBGA (14x14) | 289-LFBGA (14x14) | 289-LFBGA (14x14) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | ARM Cortex-A5 | ARM Cortex-A5 | ARM Cortex-A5 | ARM Cortex-A5 | ARM Cortex-A5 |
| Max Frequency | 500 MHz | 500 MHz | 500 MHz | 500 MHz | 500 MHz |
| Ethernet MACs | 2x 10/100 | 2x 10/100 | 2x 10/100 | 1x 10/100 | 2x 10/100 |
| CAN-FD | 2x | 2x | 2x | 1x | 2x |
| Secure Boot | Yes | Yes | No | Yes | Yes |
| Internal SRAM | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB |
| Unit Price (qty 1) | $10.96 | ~$10.96 | ~$9.50 | ~$8.50 | ~$12.50 |
主要差異化特點
- Dual Ethernet with IEEE 1588 hardware timestamping (對比ATSAMA5D24C-CUR)
- Full security feature set with secure boot (對比ATSAMA5D26C-CNR)
- Dual CAN-FD controllers (對比ATSAMA5D24C-CUR)
設計說明
The 289-LFBGA package at 0.8 mm ball pitch requires a minimum 6-layer PCB for reliable breakout routing. Use Microchip's reference design stackup with continuous GND planes beneath the BGA and dedicated power planes for VDDIO and VDDCORE. The DDR memory interface signals must maintain matched trace lengths within 50 mil tolerance per byte lane, and the DDR clock should be routed on an inner stripline layer with controlled 50-ohm impedance to meet DDR3L signal integrity requirements.
The ATSAMA5D26C-CUR requires multiple supply rails: VDDCORE at 1.2V, VDDIO at 1.8V or 3.3V, and USB PHY supply at 3.3V. Use a dedicated LDO for VDDCORE with at least 500 mA capacity to handle 500 MHz load transients. According to the Microchip hardware design guide, place 100 nF decoupling capacitors within 2 mm of each BGA power pin and bulk 10 uF ceramic capacitors near the package perimeter. Power sequencing requires VDDIO to ramp before VDDCORE.
At 500 MHz full operation, the ATSAMA5D26C-CUR dissipates approximately 1.5W typical power. The 289-LFBGA package has a junction-to-ambient thermal resistance of approximately 25 C/W on a standard 6-layer JEDEC test board. For enclosed designs, ensure adequate airflow or attach a small heatsink if ambient temperatures exceed 60C. The industrial temperature grade limits junction temperature to 100C maximum - derate clock frequency if operating in sealed enclosures.
Do not connect unused BGA balls to GND unless the datasheet explicitly recommends it - floating balls can cause signal coupling issues. Ensure the boot configuration pins (BMS, JTAG_SEL) have valid pull-up or pull-down resistors at reset to select the correct boot source. The DDR memory interface requires calibration routines in the bootloader; use the AT91Bootstrap with the proper DDR configuration table for your chosen memory chip.
合規資訊
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - industrial temperature grade only. Lead-free packaging confirmed.