ATSAMA5D21A-CUR - 500MHz Cortex-A5 MPU, 196-TFBGA | Microchip
부품 번호: ATSAMA5D21A-CUR ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $18.5 | $18.50 |
| 10 | $17.2 | $172.00 |
| 100 | $15.85 | $1,585.00 |
| 500 | $14.4 | $7,200.00 |
| 1,000 | $13.1 | $13,100.00 |
ATSAMA5D21A-CUR 개요
An Arm Cortex-A5 MPU is a microprocessor unit based on the ARMv7-A architecture that integrates a CPU core, memory controllers, and rich peripherals into a single package. In the embedded hierarchy it sits above microcontrollers (MCUs) and is used when applications need a full operating system such as Linux, high-throughput peripherals like Gigabit Ethernet, or large DDR memories. The SAMA5D2 family specifically targets low-power connected IoT gateways, HMI panels, and industrial control.
Key features include the 500 MHz Cortex-A5 core with 32 KB each of L1 instruction and data cache plus 128 KB L2 SRAM, single-precision FPU, hardware video decoder/encoder accelerators, a 12-bit ADC, and a comprehensive peripheral set including Gigabit Ethernet, two CAN-FD controllers, USB host/device, and multiple UART/SPI/I2C interfaces. The 196-ball TFBGA package is a fine-pitch surface-mount BGA with thermal pad suitable for industrial PCB designs.
Architecturally, the device uses ARM's Cortex-A5 core paired with a multi-layer AHB/APB bus matrix and dedicated DMA engines. It supports secure boot via on-chip OTP and hardware crypto accelerators (AES, SHA, TRNG), enabling tamper-resistant firmware deployment. The integration of analog and digital peripherals reduces external component count in industrial designs.
Typical applications include industrial IoT gateways, building automation controllers, human-machine interface (HMI) panels, smart energy concentrators, and connected medical devices. The wide industrial temperature range makes it suitable for outdoor or factory-floor deployments.
When designing with this MPU, pay close attention to power-rail sequencing and decoupling. Place at least eight 100 nF decoupling capacitors near the BGA balls and provide a 4-layer PCB with continuous ground plane for DDR signal integrity. Validate boot configuration against the SAMA5D2 hardware design checklist.
This page synthesizes distributor stock levels, TFBGA-196 same-family alternatives, and practical PCB design notes beyond the manufacturer datasheet to accelerate your engineering decisions.
드롭인 대체품: ATSAMA5D21A-CUR — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: ATSAMA5D21A-CUR (동일 폼 팩터 및 풋프린트) — 차이점: Package, Operating Temperature, Mounting Type, Backup Mode Current, Ethernet.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
ATSAMA5D21B-CUR
✅ 드롭인✓ 재고 있음
$8.56 / 개
데이터시트 보기 →ATSAMA5D21C-CUR
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$11.65 / 개
데이터시트 보기 →ATSAMA5D22A-CUR
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$6.2 / 개
데이터시트 보기 →ATSAMA5D28A-CUR
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$10.8 / 개
데이터시트 보기 →ATSAMA5D27A-CUR
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$12.95 / 개
데이터시트 보기 →ATSAMA5D21A-CUR 최대 정격 & 전기적 특성
| Core Architecture | Arm Cortex-A5 (ARMv7-A) |
| Maximum CPU Clock | 500 MHz |
| FPU | Single-precision hardware floating-point unit |
| L1 Cache | 32 KB instruction + 32 KB data |
| Internal SRAM | 128 KB |
| External Memory | DDR2/DDR3L/LPDDR2/LPDDR3, QSPI, e.MMC |
| 패키지 | 196-ball TFBGA |
| Temperature Grade | Industrial (-40C to +85C) |
| 실장 유형 | Surface Mount (BGA) |
| Ethernet | Gigabit Ethernet MAC |
| USB | USB 2.0 Host and Device |
| CAN | 2x CAN-FD controllers |
| ADC | 12-bit ADC |
| Crypto Accelerators | AES, SHA, TRNG |
| RoHS 상태 | Compliant |
ATSAMA5D21A-CUR 196-ball tfbga 핀 구성 가이드
ATSAMA5D21A-CUR(196-ball tfbga 패키지)의 핀 구성입니다. 이 디지털 IC에는 GPIO, 통신 인터페이스(UART, SPI, I2C), 전원 핀이 포함되어 있습니다. 대체 핀 기능과 구성 옵션은 제조사 데이터시트를 참조하십시오. 임베디드 시스템 설계와 PCB 레이아웃에 필수적입니다.
다음에 대한 상세 핀아웃 데이터 없음: ATSAMA5D21A-CUR.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
ATSAMA5D21A-CUR 적합 용도: 6 애플리케이션s: Industrial IoT Gateway, Building Automation Controller, Human-Machine Interface (HMI) Panel, Smart Energy Concentrator, Connected Medical Device Gateway, Edge Vision / Camera Sensor Hub.
Industrial IoT Gateway
The ATSAMA5D21A-CUR is well suited for industrial IoT gateways thanks to its 500 MHz Cortex-A5 with FPU and integrated Gigabit Ethernet MAC. The dual CAN-FD controllers let it aggregate data from factory-floor sensors while Linux4SAM provides the rich networking stack needed for MQTT, OPC-UA, and TLS. With 128 KB on-chip SRAM and an industrial -40C to +85C rating, the MPU handles protocol conversion and edge analytics without external memory pressure, dissipating typically 1 W under full load.
추천
Building Automation Controller
Building automation controllers benefit from the ATSAMA5D21A-CUR's combination of low-power Cortex-A5 with rich connectivity peripherals. Two CAN-FD buses aggregate HVAC and elevator sensors while Ethernet and Wi-Fi link to the building management system. The hardware AES/SHA accelerators secure BACnet/IP traffic. Industrial temperature rating supports rooftop or basement mounting, and the 196-ball TFBGA integrates into compact DIN-rail designs running embedded Linux distributions.
추천
Human-Machine Interface (HMI) Panel
The ATSAMA5D21A-CUR drives cost-optimized HMI panels where the integrated LCD controller (on the D22A sibling) can be used, and the D21A itself powers HMI logic with 500 MHz performance. The FPU accelerates Qt/embedded rendering while the DDR3L controller supports rich framebuffers. Industrial temperature operation is mandatory for factory-floor panels. Estimated system power is below 3 W for a 7-inch touchscreen HMI, enabling fanless enclosures.
추천
Smart Energy Concentrator
Smart energy concentrators aggregate meter data from multiple households or substations, a workload that fits the ATSAMA5D21A-CUR's profile. The hardware crypto accelerators authenticate DLMS/COSEM or M-Bus traffic while the dual CAN-FD buses interface with local submetering. The 128 KB SRAM plus DDR3L support large mesh routing tables, and the -40C to +85C range handles outdoor cabinet mounting. Estimated power budget is under 2 W in continuous operation.
추천
Connected Medical Device Gateway
Connected medical device gateways use the ATSAMA5D21A-CUR for HIPAA-compliant data aggregation. The hardware AES and TRNG support encrypted HL7/FHIR transmission over Ethernet. The Cortex-A5 with FPU runs real-time vital-sign analysis locally before cloud upload. Industrial temperature rating meets IEC 60601-1 environmental requirements for clinical environments, and the BGA package suits compact medical cart designs requiring long-term Microchip silicon availability.
추천
Edge Vision / Camera Sensor Hub
The ATSAMA5D21A-CUR functions as a sensor hub for low-resolution edge-vision nodes in industrial inspection. The Cortex-A5 with FPU runs lightweight CNN inference at 5-10 FPS for presence detection, while the camera interface and 12-bit ADC handle image sensor data. Linux4SAM enables easy deployment of ONNX-runtime models. Industrial temperature operation and Microchip's long-term supply program suit 10+ year industrial product lifecycles.
추천
추천 제품 요약
엔지니어링 참조 데이터: ATSAMA5D21A-CUR — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | ATSAMA5D21B-CUR | ATSAMA5D21C-CUR | ATSAMA5D22A-CUR | ATSAMA5D27A-CUR | ATSAMA5D28A-CUR |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 196-ball TFBGA | 196-ball TFBGA - same | 196-ball TFBGA - same | 196-ball TFBGA - same | 196-ball TFBGA - same | 196-ball TFBGA - same |
| Core / Clock | Cortex-A5 / 500 MHz | Cortex-A5 / 500 MHz | Cortex-A5 / 500 MHz | Cortex-A5 / 500 MHz | Cortex-A5 / 500 MHz | Cortex-A5 / 500 MHz |
| Internal SRAM | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB |
| LCD Controller | No (D21A base) | No | No | Yes | Yes | Yes |
| CAN-FD Controllers | 2 | 2 | 2 | 2 | 2 (full feature set) | 2 |
| Gigabit Ethernet | Yes | Yes | Yes | Yes | Yes | Yes |
| Hardware Crypto | AES, SHA, TRNG | AES, SHA, TRNG | AES, SHA, TRNG (enhanced) | AES, SHA, TRNG | AES, SHA, TRNG | AES, SHA, TRNG |
| Silicon Revision | A | B | C | A | A | A |
주요 차별점
- Same-family drop-in silicon revision (vs ATSAMA5D21B-CUR)
- Adds LCD controller without changing footprint (vs ATSAMA5D22A-CUR)
- Lower power than D31x/D4x family members (vs ATSAMA5D42A-CUR)
설계 노트
The ATSAMA5D21A-CUR requires multiple voltage rails (typically 1.2 V core, 1.8 V DDR, 3.3 V I/O). Sequence the rails according to the SAMA5D2 hardware design guide - VDDCORE must rise before or simultaneously with VDDIO. Estimated: with VIN=3.3 V at full 500 MHz load the MPU draws approximately 300-400 mA from the 1.2 V core rail, requiring a DC-DC converter rated for at least 1 A continuous.
Use a 4-layer PCB minimum with a continuous ground plane under the 196-ball TFBGA. Place at least eight 100 nF X7R decoupling capacitors within 2 mm of the BGA balls, plus a single 10 uF bulk capacitor per rail. Match DDR traces to within 0.1 mm and use 50 ohm controlled impedance. The exposed thermal pad must be soldered to a 5 mm x 5 mm copper pad with thermal vias to the inner plane.
Do not skip the boot-mode strap configuration on the BMS pin - the ATSAMA5D21A-CUR reads boot options at reset and incorrect strapping will prevent QSPI/DDR access. Ensure the 32.768 kHz crystal load capacitance matches the datasheet recommendation (12 pF typical). Estimated: oscillator start-up time is below 1 second with correct loading but can exceed 5 seconds with mismatched capacitance.
규정 준수 정보
Industrial-grade MPU. RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - choose ATSAMA5D2x-CNR variants only if automotive is required (not always available in 196-ball TFBGA).
