ATSAM4CMP32CA-AUR - Dual-Core Cortex-M4 120MHz MCU | Microchip
N.º da peça: ATSAM4CMP32CA-AUR ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $8.95 | $8,95 |
| 10 | $8.2 | $82,00 |
| 100 | $7.45 | $745,00 |
| 500 | $6.8 | $3.400,00 |
| 1.000 | $6.25 | $6.250,00 |
ATSAM4CMP32CA-AUR Visão geral
A microcontroller (MCU) is a single integrated circuit that combines a processor core, memory, and programmable peripherals into one chip, forming the lowest layer of the embedded-system hierarchy: microcontroller unit -> embedded processor -> ARM Cortex-M family -> semiconductor device. The SAM4CM family extends this concept to poly-phase metering by pairing two Cortex-M4F cores, allowing computation-heavy tasks such as metrology to run alongside application firmware without contention.
Key features include the dual-core ARM Cortex-M4/M4F architecture with hardware floating-point unit and DSP instructions, 2MB on-chip FLASH with a dual-bank option for safe in-application firmware updates, 256KB of SRAM, a supply range of 1.62V to 3.6V, and cryptographic acceleration hardware. The MRLA (Microchip Recommended Launch Alignment) marking on the Mouser listing indicates production-grade sourcing status, and the device is specified for industrial temperature ranges with ROHS3 compliance.
Technically, the Cortex-M4F core integrates a single-cycle MAC and FPU, while the second core can be assigned to real-time signal processing such as 3-phase metrology calculations. Peripherals typical of the SAM4C family include USARTs, SPI, TWI (I2C), PWM channels, ADCs, and a dedicated hardware cryptography engine supporting AES, DES, SHA, and RSA operations for secure firmware and data handling.
Typical applications include poly-phase smart energy meters, industrial metering and monitoring equipment, secure connected devices, and industrial automation control nodes where dual-core partitioning of metrology and communication tasks is required.
When designing with this MCU, budget the 1.62V to 3.6V supply domain carefully: all I/O banks and the core regulator must respect the datasheet limits, and the 100-LQFP exposed-lead layout requires a solid ground plane and decoupling on each supply pin.
This page adds information gain beyond the manufacturer datasheet: distributor price tiers, drop-in same-family alternatives, application guidance, and design notes synthesized from DigiKey, Mouser, Octopart, and Microchip sourcing data.
Alternativas drop-in para ATSAM4CMP32CA-AUR — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com ATSAM4CMP32CA-AUR (mesmo formato e footprint) — diferindo em Core Processor, RoHS Status, Packaging, Series, RAM Size.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
ATSAM4CMP16CA-AUR
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
ATSAM4CMP8CA-AUR
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$6.45 / unidade
Ver ficha técnica →ATSAM4CMS32CA-AUR
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$9.75 / unidade
Ver ficha técnica →ATSAM4CMS16CA-AUR
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
ATSAM4CMP32CC-AUR
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
ATSAM4CMP32CA-AUR Classificações máximas e características elétricas
| Core Processor | ARM Cortex-M4/M4F (dual-core) |
| Core Size | 32-Bit |
| Frequência máxima de clock | 120 MHz |
| Program Memory Size | 2 MB (2M x 8) FLASH |
| RAM Size | 256 KB |
| Supply Voltage Range | 1.62 V to 3.6 V |
| Encapsulamento | 100-LQFP (14x14 mm) |
| Tipo de montagem | Surface Mount (SMD/SMT) |
| Number of Terminals | 100 |
| Terminal Form | Gull Wing |
| Package Shape | Square (LFQFP) |
| Temperature Grade | Industrial |
| Series | SAM4CM (poly-phase metering) |
| Status RoHS | ROHS3 Compliant |
| Special Features | Cryptographic accelerator, 7-channel poly-phase support |
| Largura do barramento de dados | 32 bit |
Guia de Configuração de Pinos do ATSAM4CMP32CA-AUR square (lfqfp)
Configuração de pinos para ATSAM4CMP32CA-AUR (pacote square (lfqfp)). Este CI digital inclui GPIO, interfaces de comunicação (UART, SPI, I2C) e pinos de alimentação. Consulte o datasheet do fabricante para funções alternativas dos pinos e opções de configuração. Essencial para projeto de sistemas embarcados e layout de PCB.
Nenhum dado detalhado de pinagem disponível para ATSAM4CMP32CA-AUR.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
ATSAM4CMP32CA-AUR é adequado para 6 aplicaçãos: Poly-Phase Smart Energy Meters, Industrial Metering and Power Monitoring, Secure Connected Devices, Building Automation Controllers, Test and Measurement Instruments, Motor Control and Drive Panels.
Poly-Phase Smart Energy Meters
The ATSAM4CMP32CA-AUR was purpose-built for poly-phase metering: Mouser characterizes it as a 'Poly phase, 7 channels, High accuracy' MCU, and its dual Cortex-M4F cores at 120MHz allow the metrology DSP loop to run on one core while billing, LCD, and communication tasks run on the other. The 256KB SRAM buffers multi-channel ADC samples without dropping data, and the 2MB FLASH stores multi-tariff, multi-phase firmware plus a safe update image. Place the device between the analog front end and the communication module; the hardware crypto engine secures metering data without external secure elements, reducing BOM cost in 3-phase industrial and residential meter platforms.
Recomendado
Industrial Metering and Power Monitoring
Industrial power-monitoring nodes benefit from the ATSAM4CMP32CA-AUR's 1.62V to 3.6V supply range and industrial temperature grade, which tolerate noisy factory power environments. One Cortex-M4F core with hardware FPU computes RMS, THD, and power-factor figures continuously from ADC streams at 120MHz, while the second core drives Modbus, Ethernet, or wireless gateways concurrently. The crypto accelerator authenticates data sent to SCADA back-ends. Compared with single-core MCUs, the dual-core partitioning guarantees measurement determinism even during heavy network traffic, which is critical when revenue-grade accuracy is audited over long deployment periods in distribution panels and motor-control cabinets.
Recomendado
Secure Connected Devices
The ATSAM4CMP32CA-AUR's on-chip CRYPTO accelerator (AES, DES, SHA per the SAM4C family datasheet) makes it well suited for secure IoT endpoints such as smart-grid gateways and authenticated sensor hubs. The 2MB FLASH accommodates TLS stacks alongside application firmware, and 256KB SRAM sustains buffered network sessions on one core while real-time control runs on the other. Firmware-over-the-air updates can be validated with hardware hash engines before committing, and dual-bank FLASH strategies allow rollback on integrity failure. Supply range of 1.62V to 3.6V interfaces directly with 3.3V radio modules, minimizing level-shifting circuitry in compact connected-device designs.
Recomendado
Building Automation Controllers
Building automation controllers use the ATSAM4CMP32CA-AUR to combine deterministic control with secure network connectivity. One Cortex-M4F core executes control loops for HVAC dampers, lighting, and metering sub-systems with the FPU handling PID math at 120MHz, while the second core runs BACnet or MQTT protocol stacks and display logic. The industrial temperature rating suits rooftop and mechanical-room installations, and the 100-LQFP offers enough GPIO for relays, sensors, and keypad interfaces. The 2MB FLASH stores protocol firmware, web-server assets, and logging tables, enabling single-chip controller designs that previously required an MCU plus separate network processor.
Recomendado
Test and Measurement Instruments
Bench and panel instruments leverage the ATSAM4CMP32CA-AUR's dual-core DSP capability: the FPU and single-cycle MAC accelerate FFT and filtering on sampled signals, while the second core manages USB, UART, and front-panel interfaces at full speed. The 120MHz core clock and 256KB SRAM support deep capture buffers, and 2MB FLASH allows multi-instrument firmware personalities in one product. The 1.62V to 3.6V operation eases mixed-voltage analog front-end integration, and industrial temperature grading supports portable field instruments. The crypto engine also enables license-protected firmware feature enablement, protecting premium measurement software tiers in commercial instruments.
Recomendado
Motor Control and Drive Panels
The ATSAM4CMP32CA-AUR fits smart motor-control panels where energy metering and drive supervision coexist. One core runs metrology and current-signature analytics (detecting stall, imbalance, or bearing wear via FPU-accelerated spectral analysis), while the other executes PWM supervision and fieldbus communication. The 7-channel poly-phase capability noted by Mouser supports 3-phase plus neutral current monitoring in a single chip. Industrial temperature rating and 1.62V to 3.6V supply tolerance survive cabinet environments, and the crypto engine secures command authentication from supervisory PLCs, preventing unauthorized actuation in critical pump, fan, and conveyor installations.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para ATSAM4CMP32CA-AUR — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | ATSAM4CMP16CA-AUR | ATSAM4CMP8CA-AUR | ATSAM4CMS32CA-AUR | ATSAM4CMS16CA-AUR | ATSAM4CMP32CC-AUR |
|---|---|---|---|---|---|---|
| Package | 100-LQFP (14x14 mm) | 100-LQFP (14x14) - same | 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 | Microchip Technology |
| Core Configuration | Dual-core Cortex-M4/M4F | Dual-core Cortex-M4/M4F | Dual-core Cortex-M4/M4F | Single-core Cortex-M4F | Single-core Cortex-M4F | Dual-core Cortex-M4/M4F |
| Max Clock Frequency | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz |
| FLASH Memory | 2 MB | 1 MB | 512 KB | 2 MB | 1 MB | 2 MB |
| Supply Voltage | 1.62 V - 3.6 V | 1.62 V - 3.6 V | 1.62 V - 3.6 V | 1.62 V - 3.6 V | 1.62 V - 3.6 V | 1.62 V - 3.6 V |
| Crypto Accelerator | Yes (CRYPTO hardware) | Yes | Yes | Yes | Yes | Yes |
Principais diferenciais
- Dual-core Cortex-M4F with hardware metrology partitioning (vs ATSAM4CMS32CA-AUR)
- Largest FLASH in the SAM4CM family (2MB) (vs ATSAM4CMP16CA-AUR)
- Integrated crypto accelerator (vs ATSAM4C32CA-AUR)
Notas de projeto
The ATSAM4CMP32CA-AUR operates from 1.62V to 3.6V. Estimated: at 120MHz dual-core operation, expect core current on the order of tens of mA per core (see datasheet power tables for exact figures); budget the VDDCORE regulator accordingly. Place 100nF ceramic decoupling capacitors on every VDD/VDDIO pin pair within 2mm of the pin, plus at least one 10uF bulk capacitor per supply domain. Verify that brownout thresholds are configured above the minimum 1.62V floor so the MCU resets cleanly rather than mis-executing during supply dips in metering installations.
The 100-LQFP (14x14 mm) gull-wing package needs a solid ground plane on layer 2 for both signal integrity and EMI control in metering products that must pass EMC tests. Keep the crystal traces for the main oscillator short (under 15mm) and guard them with ground vias, since metrology timing accuracy depends on clock stability. Route analog front-end signals to the ADC pins away from switching PWM traces; the 0.5mm lead pitch requires solder-mask-defined pads checked against the Microchip LQFP-100 land pattern recommendation to prevent bridging in reflow.
A frequent SAM4C-family pitfall is underestimating memory partitioning between the two cores: the 256KB SRAM is shared, so define fixed regions for the metrology core first (sample buffers plus stack), then assign the remainder to the application core, using the datasheet memory map and MPU to enforce isolation. Second, do not assume the ATSAM4C32CA is interchangeable - peripheral sets and pin mapping differ between SAM4C and SAM4CM subfamilies. Third, always source the '-A' crypto suffix variant deliberately: firmware relying on the CRYPTO accelerator will not run identically on non-crypto SKUs.
Informações de conformidade
ROHS3 Compliant per Cytech Systems and ics-embedded.com listings. Green package per Mouser listing. Industrial temperature grade; not an AEC-Q100 automotive part.