ATSAM4CMP32CA-AU - 120MHz Dual-Core Cortex-M4 MCU 2MB | Microchip
부품 번호: ATSAM4CMP32CA-AU ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $29.13 | $29.13 |
| 10 | $27.5 | $275.00 |
| 100 | $24.8 | $2,480.00 |
| 500 | $22.3 | $11,150.00 |
| 1,000 | $19.21 | $19,210.00 |
ATSAM4CMP32CA-AU 개요
A microcontroller (MCU) is a single integrated circuit that combines a processor core, program memory, data RAM, and a rich set of peripherals into one chip, forming the complete intelligence of an embedded system. The SAM4CM family extends the standard MCU hierarchy by integrating two Cortex-M4F cores with hardware floating-point units, allowing one core to run the main application while the second handles dedicated tasks such as metrology computations - a key differentiator in the poly-phase metering market.
Key features include the dual-core 120 MHz Cortex-M4/M4F architecture with FPU, 2MB FLASH program memory, 256KB of SRAM, 7-channel poly-phase front end with high-accuracy analog processing, and on-chip crypto/security functionality as noted by Microchip and Mouser listing data. The device operates over the industrial temperature range of -40C to +85C.
Technically, the SAM4CM couples the ARMv7E-M core with a multilayer bus matrix, DMA channels, and specialized metering peripherals, enabling simultaneous computation of multiple phase energy measurements without overloading the main CPU. The hardware cryptographic engine offloads security-critical operations needed for modern smart-grid firmware authentication.
Typical applications include poly-phase electricity meters, smart energy infrastructure, industrial metrology, and data-concentrator equipment - designs where high-accuracy multi-channel measurement and secure firmware are mandatory.
When designing with this MCU, budget flash and RAM carefully: the dual-core architecture duplicates code execution, so linker placement of code and data between the two cores significantly impacts performance.
This page synthesizes distributor pricing, drop-in alternatives, comparison tables, and practical design notes not found in the manufacturer datasheet, adding sourcing and selection value beyond raw specifications.
드롭인 대체품: ATSAM4CMP32CA-AU — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: ATSAM4CMP32CA-AU (동일 폼 팩터 및 풋프린트) — 차이점: Core Processor, Package, Program Memory Size, Security Feature, Series.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
ATSAM4CMS32CA-AU
✅ 드롭인✓ 재고 있음
$6.85 / 개
데이터시트 보기 →ATSAM4CMP32CC-AU
✅ 드롭인 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
ATSAM4CMP16CA-AU
✅ 드롭인 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
ATSAM4CMP8CA-AU
✅ 드롭인 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
ATSAM4CMP32CAI-AU
✅ 드롭인 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
ATSAM4CMP32CA-AU 최대 정격 & 전기적 특성
| Core Processor | ARM Cortex-M4/M4F (Dual-Core) |
| Core Size | 32-Bit |
| 최대 클록 주파수 | 120 MHz |
| Program Memory Size | 2MB (2M x 8) FLASH |
| RAM Size | 256 KB |
| Series | SAM4CM (ATSAM4CM) |
| Special Features | Poly-phase, 7 channels, High accuracy |
| Security Feature | Crypto (hardware cryptographic engine) |
| 패키지 | 100-LQFP (14 x 14 mm) |
| Terminal Form | Gull Wing |
| Package Shape | Square |
| 실장 유형 | Surface Mount |
| 동작 온도 | -40C to +85C (Industrial) |
| Supply Voltage Class | 1.2 V core (per SAM4CM family listing) |
| Packaging | Tray |
| RoHS / Green Status | Green (RoHS compliant per Mouser listing) |
ATSAM4CMP32CA-AU square 핀 구성 가이드
ATSAM4CMP32CA-AU(square 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: ATSAM4CMP32CA-AU.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
ATSAM4CMP32CA-AU 적합 용도: 6 애플리케이션s: Poly-Phase Electricity Meters, Smart Grid Data Concentrators, Industrial Metrology and Instrumentation, Secure Embedded Systems with Encrypted Firmware, Building Automation and Sub-Metering Gateways, Industrial Motor Control and Monitoring Panels.
Poly-Phase Electricity Meters
The ATSAM4CMP32CA-AU is purpose-built for poly-phase electricity metering: its 7-channel high-accuracy analog front end simultaneously samples all phases plus neutral current, while the dual-core 120 MHz Cortex-M4F architecture dedicates one core to real-time metrology computation and the other to communication stacks such as DLMS/COSEM. Placed directly as the meter's main SoC with a precision shunt or CT input network, it computes active, reactive, and apparent energy without an external metrology DSP. The 2MB flash accommodates firmware, calibration tables, load-profile logs, and secure bootloaders, and the on-chip crypto engine protects firmware updates required by modern smart-grid standards.
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Smart Grid Data Concentrators
In data-concentrator nodes that aggregate many meters over PLC or RF mesh networks, the ATSAM4CMP32CA-AU's second Cortex-M4F core handles protocol translation and networking while the first core manages data buffering and authentication. The 2MB flash stores multiple protocol stacks concurrently, and 256KB SRAM provides queue space for interval-read records from hundreds of downstream meters. The hardware crypto engine accelerates the AES-based mutual authentication demanded by DLMS/COSEM and head-end system security profiles. Its industrial -40C to +85C rating suits street-cabinet installations, and the 100-LQFP footprint allows a cost-optimized two-layer-to-four-layer transition during product maturation.
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Industrial Metrology and Instrumentation
Multi-channel precision measurement instruments - power-quality analyzers, sub-metering panels, and energy audit tools - benefit from the ATSAM4CMP32CA-AU's 7 high-accuracy input channels and hardware FPU. The dual-core split (measurement pipeline on core 1, HMI and logging on core 2) eliminates real-time contention that single-core designs suffer when heavy floating-point computation competes with display and storage tasks. The 120 MHz core speed supports high sample-rate waveform capture, while 2MB flash retains calibration constants and long event logs locally. The device operates over the full industrial range, allowing fanless instrument enclosures in factory-floor environments.
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Secure Embedded Systems with Encrypted Firmware
Designs requiring authenticated firmware and protected data - payment-adjacent metering, industrial control with IP protection - use the ATSAM4CMP32CA-AU's on-chip crypto functionality noted in the Mouser listing ('CRYPTO'). Secure boot verifies firmware images from the 2MB flash before execution, and hardware acceleration keeps cryptographic overhead low even at dual-core load. Unlike bolting on a separate secure element, the integrated engine reduces BOM count and eliminates an attack surface on the PCB. The dual-core architecture further supports running the security-critical supervisor on a dedicated core, isolating it from user application code for defense-in-depth designs.
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Building Automation and Sub-Metering Gateways
Sub-metering gateways that aggregate tenant-level energy data combine measurement, storage, and communication workloads well matched to this MCU. The 7-channel front end reads multiple feeder circuits, the second core runs BACnet or Modbus TCP stacks, and 2MB flash stores months of interval data through network outages. Compared with a generic single-core Cortex-M4 MCU plus external metrology chip, the SAM4CM integration cuts board area and calibration complexity. The 100-LQFP 14 x 14 mm package fits DIN-rail enclosure PCBs, and the industrial temperature rating covers unconditioned electrical rooms where ambient temperatures exceed standard commercial limits.
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Industrial Motor Control and Monitoring Panels
Energy-monitoring motor panels use the ATSAM4CMP32CA-AU to measure three-phase current, voltage, and power factor continuously. The 120 MHz dual-core design computes RMS values and harmonic analysis on one core while the other drives protective relaying logic and communication reporting, achieving deterministic response without a second processor. Hardware FPU accelerates FFT-based harmonic calculations at 120 MHz operation. The 2MB flash supports custom protection curves and event recorders, and the crypto engine secures parameter sets against unauthorized modification - increasingly required in industrial cyber-hardening standards. Industrial temperature range and LQFP gull-wing terminals simplify conformal-coated assembly.
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추천 제품 요약
엔지니어링 참조 데이터: ATSAM4CMP32CA-AU — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | ATSAM4CMS32CA-AU | ATSAM4CMP32CC-AU | ATSAM4CMP16CA-AU | ATSAM4CMP8CA-AU |
|---|---|---|---|---|---|
| Package | 100-LQFP (14x14) | 100-LQFP (14x14) - same | 100-LQFP (14x14) - same | 100-LQFP (14x14) - same | 100-LQFP (14x14) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | Dual-core ARM Cortex-M4/M4F | Dual-core ARM Cortex-M4/M4F | Dual-core ARM Cortex-M4/M4F | Dual-core ARM Cortex-M4/M4F | Dual-core ARM Cortex-M4/M4F |
| Max Clock Frequency | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz |
| Flash Memory | 2MB | 2MB | 2MB | 1MB (-50%) | 512KB (-75%) |
| Security Configuration | Crypto (CMP variant) | Secure (CMS variant) | Crypto (CMP variant) | Crypto (CMP variant) | Crypto (CMP variant) |
주요 차별점
- Full 2MB flash within the SAM4CM metering family (vs ATSAM4CMP16CA-AU)
- Crypto-enabled security configuration (vs ATSAM4CMS32CA-AU)
- Integrated 7-channel poly-phase high-accuracy front end (vs generic single-core Cortex-M4 MCUs)
설계 노트
The SAM4CM family uses a 1.2 V core domain with separate I/O supply rails. Provide clean, decoupled 3.3 V for I/O and follow the Microchip SAM4CM power-supply architecture with appropriate core LDO/buck configuration per the datasheet power section. Decouple every VDD/VDDIO pin pair with 100 nF ceramics placed within 2 mm of the pin, plus bulk 10 uF near the regulator. Sequencing requirements for dual-rail operation should be verified against the SAM4CM family datasheet before power-tree finalization.
The 100-LQFP (14 x 14 mm) 0.5 mm pitch footprint requires careful land-pattern adherence to Microchip's recommended layout in the family datasheet. Route the 7 analog measurement channels as a shielded group away from switching regulator nodes and communication lines; a local analog ground island under the metering front-end pins significantly improves accuracy. Use a solid ground plane on layer 2 and keep crystal and PLL loop traces short and guarded for the 120 MHz clock domain.
A common mistake is underestimating flash usage on dual-core designs: both cores may reference shared code and constant tables, so configure the linker scatter/loading carefully and reserve margin under the 2MB limit for secure bootloader plus one OTA image slot. Also note the 'CA' suffix in the MPN encodes memory and security configuration - ordering a CMS instead of CMP variant changes the security feature set on an otherwise identical footprint. Verify the exact suffix on incoming reels to avoid firmware incompatibility.
규정 준수 정보
Mouser listing marks the part 'Green' - Microchip's designation for RoHS-compliant, halogen-free, lead-free construction. REACH and conflict-minerals declarations to be confirmed via Microchip product compliance documentation.