ATSAMA5D22A-CUR - 500MHz Cortex-A5 MPU, 196-TFBGA | Microchip
MPN: ATSAMA5D22A-CUR ✓ Hoạt độngATSAMA5D22A-CUR Tóm tắt
An MPU (microprocessor unit) is a system-on-chip category that integrates a CPU core, memory controller, peripherals, and optional accelerators onto a single die. Within the broader taxonomy, the ATSAMA5D22A-CUR sits under ARM Cortex-A application processors -> microprocessor unit -> integrated circuit. MPUs typically run Linux or other high-level operating systems, distinguishing them from microcontrollers (MCUs) which run bare-metal or RTOS firmware. The Cortex-A5 core implements the ARMv7-A architecture with TrustZone security extensions and a Memory Management Unit (MMU) for full virtual-memory operating systems such as Linux.
Key features include a Peripheral Touch Controller (PTC), embedded audio subsystem with I2S and Class D amplifier support, dual EMAC Ethernet, two HSIC USB ports, three HS/FS USB ports, two CAN-FD controllers, hardware AES-OTF (on-the-fly) encryption engine, 0.8 mm ball-pitch BGA package that simplifies PCB layout, and a simple power-management scheme. The SAMA5D2 architecture achieves ultra-low standby power of approximately 5 uA in backup mode with retention, enabling battery-backed designs that must survive months on a single cell.
Typical applications include HMI (human-machine interface) panels, IoT edge gateways, smart-home controllers, building-automation bridges, industrial-control HMIs, and connected medical devices. The on-chip graphics accelerator plus LCD controller supports up to WXGA (1280x768) displays without external graphics silicon, while the AES engine and secure-boot ROM simplify connected-product security.
When designing with this MPN, ensure the PCB uses 0.8 mm-pitch micro-via BGA fan-out routing and that the DDR interface is length-matched within the JEDEC JESD79 DDR specification. The 11x11 mm TFBGA has 196 balls on 0.8 mm pitch, so blind or buried vias are typically required for escape routing on a 4-layer board. Linux BSP support is available through the mainline kernel and Microchip's at91bootstrap bootloader, with mainline Device Tree bindings for all on-chip peripherals.
Bộ thay thế dễ dàng lắp đặt cho ATSAMA5D22A-CUR — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với ATSAMA5D22A-CUR (cùng hình factor và footprint) — khác nhau ở Package, Ethernet, Operating Temperature, CAN, USB.
ATSAMA5D22A-CNR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAMA5D22A-CN
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAMA5D21C-CUR
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →ATSAMA5D21B-CU
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →ATSAMA5D225C-D1M-CU
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →ATSAMA5D22A-CUR Tỷ lệ tối đa & tính chất điện
| Core Architecture | ARM Cortex-A5 (ARMv7-A) with NEON MPE co-processor |
| Number of Cores | 1 |
| Maximum CPU Clock | 500 MHz |
| Hộp | 196-TFBGA (11x11 mm, 0.8 mm ball pitch) |
| Nhiệt độ hoạt động | -40C to +105C (industrial, MRLA grade) |
| External Memory Interface | DDR2 / DDR3L / LPDDR2 / LPDDR3 |
| Flash Memory Interface | QSPI, e.MMC |
| LCD Controller | Integrated, up to WXGA (1280x768) |
| Graphics Accelerator | Yes (2D, on-chip) |
| Ethernet | 2x EMAC (10/100 Mbps) |
| USB Ports | 2x HSIC, 3x HS/FS USB 2.0 |
| CAN | 2x CAN-FD |
| Hardware Encryption | AES-OTF (on-the-fly) |
| Touch Controller | Peripheral Touch Controller (PTC) |
| Audio Subsystem | Embedded (I2S, Class D amplifier interface) |
| Backup Mode Current | 5 uA typical |
| Kiểu lắp đặt | Surface Mount (Tape & Reel) |
| Trạng thái RoHS | Compliant |
| Operating System Support | Linux (mainline kernel), RTOS |
Hướng dẫn cấu hình chân ATSAMA5D22A-CUR 196-tfbga (11x11 mm, 0.8 mm ball pitch)
Cấu hình chân cho ATSAMA5D22A-CUR (196-tfbga (11x11 mm, 0.8 mm ball pitch) gói). IC số này bao gồm chân GPIO, giao diện truyền thông (UART, SPI, I2C) và chân nguồn. Tham khảo tài liệu thông số kỹ thuật của nhà sản xuất để biết các chức năng chân thay thế và tùy chọn cấu hình. Cực kỳ quan trọng cho thiết kế hệ thống tích hợp và lập trình PCB.
Không có dữ liệu chân cụ thể sẵn có cho ATSAMA5D22A-CUR.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
ATSAMA5D22A-CUR phù hợp cho 6 Áp dụngs: Industrial HMI Panels, IoT Edge Gateways, Smart Home Controllers, Building Automation Bridges, Connected Medical Devices, Industrial Control / CAN Gateways.
Industrial HMI Panels
The ATSAMA5D22A-CUR's 500 MHz Cortex-A5 core, integrated WXGA LCD controller, and 2D graphics accelerator make it well-suited for industrial HMI panels running Linux with Qt or Web-based UIs. The on-chip LCD controller drives resolutions up to 1280x768 without external graphics silicon, lowering BOM cost. Two EMAC ports support redundant industrial Ethernet, while 2x CAN-FD enables connectivity to field-bus devices. The 105 C industrial temperature rating qualifies the part for factory-floor enclosures.
Được đề xuất
IoT Edge Gateways
The SAMA5D22A-CUR's Cortex-A5 with MMU runs full Linux, making it ideal for IoT edge gateways that aggregate MQTT, Modbus, and CAN-FD traffic before cloud upload. The two EMAC ports enable WAN/LAN segmentation, while the AES-OTF engine secures TLS handshakes with minimal CPU load. The 5 uA backup current with DDR retention allows battery-backed operation during grid outages, and the QSPI/e.MMC interface boots from inexpensive NAND or NOR flash.
Được đề xuất
Smart Home Controllers
The ATSAMA5D22A-CUR is well-suited for smart-home hubs that integrate Zigbee, Wi-Fi, and Matter bridges. Its Cortex-A5 at 500 MHz handles encrypted TLS for cloud APIs while the integrated audio subsystem drives Class D amplifiers for voice-assistant feedback. The Peripheral Touch Controller supports capacitive touch panels, eliminating an external touch IC. Running Linux enables easy Matter/Thread border-router stacks with mainline kernel support.
Được đề xuất
Building Automation Bridges
Building-automation bridges based on the ATSAMA5D22A-CUR translate between BACnet, KNX, Modbus, and modern IP protocols. The dual EMAC enables segregation between building IT network and fieldbus segments, while 2x CAN-FD ports support BACnet MS/TP and CAN-based HVAC equipment. The hardware AES-OTF engine secures communications with negligible throughput penalty. The 196-TFBGA package's 0.8 mm pitch simplifies four-layer PCB layout for compact DIN-rail modules.
Được đề xuất
Connected Medical Devices
The ATSAMA5D22A-CUR fits connected medical devices requiring Linux-class software stacks plus industrial-grade reliability. The Cortex-A5 with TrustZone supports secure-boot flows required by FDA cybersecurity guidance, while the AES-OTF engine encrypts patient data at rest without taxing the CPU. The LCD controller drives bedside-monitor displays, and the integrated audio subsystem enables hands-free clinician communication. The 105 C rating supports enclosed sterilizable housings.
Được đề xuất
Industrial Control / CAN Gateways
The ATSAMA5D22A-CUR's two CAN-FD controllers and dual EMAC make it a strong fit for industrial CAN-to-Ethernet gateways, protocol converters, and edge controllers. Running Linux enables soft-PLC or Node-RED style flows for shop-floor automation. The hardware AES engine secures OPC-UA communications, while the 5 uA backup mode preserves state during power dips. The 196-TFBGA simplifies rugged, conformal-coated PCB layouts for industrial environments.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho ATSAMA5D22A-CUR — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | ATSAMA5D22A-CNR | ATSAMA5D22A-CN | ATSAMA5D21C-CUR | ATSAMA5D21B-CU | ATSAMA5D225C-D1M-CU |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 196-TFBGA (11x11) | 196-TFBGA (11x11) - same | 196-TFBGA (11x11) - same | 196-TFBGA (11x11) - same | 196-TFBGA (11x11) - same | 196-TFBGA (11x11) - same |
| CPU Core | Cortex-A5 500 MHz | Cortex-A5 500 MHz | Cortex-A5 500 MHz | Cortex-A5 500 MHz | Cortex-A5 500 MHz | Cortex-A5 500 MHz |
| Hardware Encryption | AES-OTF | AES-OTF | AES-OTF | AES-OTF | No AES-OTF | AES-OTF |
| Operating Temperature | -40C to +105C (industrial) | -40C to +105C (industrial) | 0C to +85C (commercial) | -40C to +105C (industrial) | -40C to +85C (extended) | -40C to +105C (industrial) |
| Packaging Format | Tape & Reel | Tray | Tray | Tape & Reel | Tray | Tray |
| Approx. Unit Price (1 pc) | $7.77 | Similar | Similar | Lower (~15%) | Lower (~20%) | Higher (~10%) |
| Linux BSP Support | Mainline + Microchip Yocto | Mainline + Microchip Yocto | Mainline + Microchip Yocto | Mainline + Microchip Yocto | Mainline + Microchip Yocto | Mainline + Microchip Yocto |
Bảo phân biệt quan trọng
- Single same-family drop-in variants cover packing, temperature, and cost tiers without PCB re-layout (vsATSAMA5D27A-CUR)
- Lower cost than the SAMA5D27 while retaining AES-OTF and CAN-FD (vsATSAMA5D27A-CUR)
- On-chip LCD controller + 2D graphics eliminates external GPU for WXGA HMI (vsATSAM4SD32CB-CFN)
Ghi chú thiết kế
Estimated: the 196-TFBGA at 0.8 mm ball pitch requires micro-via (laser-drilled) stack-ups to escape the inner-row balls on a 4-layer PCB. Use a 1-2-1 build with 0.2 mm via-pad diameter and 0.1 mm drill; avoid dog-bone fan-outs where possible because the 0.8 mm pitch is borderline for standard 0.3 mm-pitch vias. Reference Microchip's SAMA5D2 hardware design guide for length-matched DDR routing within the JEDEC JESD79 specification.
Estimated: at 500 MHz with all peripherals active, the ATSAMA5D22A-CUR dissipates approximately 0.5-1.0 W depending on DDR traffic and graphics load. The 196-TFBGA exposes a thermal pad through the central ball array; stitch thermal vias (0.3 mm drill, 1.0 mm pitch) to an inner copper pour to keep junction temperature below 125 C at the 105 C industrial ambient. Without thermal vias, expect a 10-15 C rise in junction temperature versus a properly stitched design.
The SAMA5D2 power tree requires at least three rails (VDDCORE ~1.0-1.2 V, VDDPLL, VDDIO at 1.8 V or 3.3 V) plus separate VDDBU for backup domain. Decouple each rail with 100 nF X7R ceramic placed within 2 mm of the supply pin, plus a bulk 10 uF per rail. The backup-mode 5 uA figure is only achievable with the slow-clock domain properly configured in the PMC; verify with the SAMA5D2 power-management chapter before claiming battery-life numbers.
Do not assume the ATSAMA5D22A-CUR is a microcontroller - it is an MPU with MMU and runs Linux; bare-metal code paths that work on Cortex-M parts will not port directly. JTAG/SWD use the chip's 4-wire debug port; configure bootstrap pins correctly for boot-from-SPI vs boot-from-e.MMC. The DDR calibration routine in at91bootstrap must run on every cold boot, or boot reliability will degrade in production.
Thông tin tuân thủ
RoHS and lead-free per Microchip product page. Not AEC-Q100 qualified - this is an industrial MPU, not an automotive grade; choose ATSAMA5D2xA-MVA grade for AEC-Q100 applications.
