ATSAM4C32CA-AUT - Dual Cortex-M4 120MHz 2MB MCU | Microchip
N.º de pieza: ATSAM4C32CA-AUT ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $12.49 | $12,49 |
| 10 | $11.9 | $119,00 |
| 100 | $11.44 | $1.144,00 |
| 500 | $10.7 | $5.350,00 |
| 1.000 | $10.01 | $10.010,00 |
ATSAM4C32CA-AUT Descripción general
A microcontroller (MCU) is a single integrated circuit that combines a processor core, memory (flash for program storage, SRAM for data), and peripherals such as UARTs, timers, and ADCs into one chip. Within the power management hierarchy, MCUs sit at the application level above simple logic ICs and below full application processors. The SAM4C series extends Microchip's SAM4 ARM Cortex-M4 family by pairing a primary Cortex-M4F with a second Cortex-M4 core, enabling functional partitioning in metering systems.
Key features include dual 32-bit ARM Cortex-M4 RISC processors running at up to 120 MHz, 2 MB (2M x 8) of embedded flash, integrated crypto hardware (the -AUT device is listed with CRYPTO in distributor data), and industrial temperature qualification indicated by the Mouser listing descriptor "IND TEMP". These attributes let the part execute metrology computation on one core while handling communication or security on the other.
Technically, the device is a system-on-chip solution purpose-built for smart energy applications according to Microchip's official ATSAM4C32 product page. The dual-core architecture reduces the need for an external security or communication co-processor in electricity meter designs.
Typical applications include smart electricity meters, energy monitoring gateways, and industrial power-quality analyzers, where 2 MB of flash supports large firmware images plus OTA update staging.
Design consideration: confirm the supply rail (3.3 V class, per the 3.3V listing in the datasheet archive data) and thermal budget before committing to the 100-LQFP footprint.
This page synthesizes distributor pricing tiers, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Alternativas directas para ATSAM4C32CA-AUT — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con ATSAM4C32CA-AUT (mismo factor de forma y huella) — difiere en Core Processor, Supply Voltage, Core Size, Flash Memory, Packaging.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
ATSAM4C32CA-AU
✅ Sustitución directa✓ En stock
$9.95 / unidad
Ver hoja de datos →ATSAM4C16CA-AU
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$9.56 / unidad
Ver hoja de datos →ATSAM4C8CA-AU
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$3.95 / unidad
Ver hoja de datos →ATSAM4C32CC-AU
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
ATSAM4C32CA-AUT Valores máximos y características eléctricas
| Core | ARM Cortex-M4/M4F, dual-core, 32-bit |
| Frecuencia de reloj máxima | 120 MHz |
| Flash Memory | 2 MB (2M x 8) |
| Tensión de alimentación | 3.3 V |
| Series | SAM4C |
| Crypto Acceleration | Yes (CRYPTO per distributor listing) |
| Encapsulado | 100-LQFP (14x14 mm) |
| Tipo de montaje | Surface Mount |
| Temperatura de funcionamiento | Industrial (IND TEMP per Mouser listing) |
| Estado RoHS | Compliant (Green per Mouser listing) |
| Packaging | Tray (MRLA per Mouser listing) |
| Program Memory Type | FLASH |
| Target Application | Smart energy / metering |
Guía de configuración de pines de ATSAM4C32CA-AUT 100-lqfp (14x14 mm)
Configuración de pines para ATSAM4C32CA-AUT (encapsulado 100-lqfp (14x14 mm)). Este CI digital incluye GPIO, interfaces de comunicación (UART, SPI, I2C) y pines de alimentación. Consulte la hoja de datos del fabricante para conocer las funciones alternativas de los pines y las opciones de configuración. Esencial para el diseño de sistemas embebidos y el diseño de PCB.
No hay datos detallados de patillaje disponibles para ATSAM4C32CA-AUT.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
ATSAM4C32CA-AUT es adecuado para 6 aplicacións: Smart Electricity Meters, Energy Monitoring Gateways, Industrial Power Quality Analyzers, Smart Grid Communication Nodes, Solar Inverter Monitoring Controllers, Building Energy Management Systems.
Smart Electricity Meters
The ATSAM4C32CA-AUT is purpose-built for smart energy applications according to Microchip's official ATSAM4C32 product page, making three-phase and single-phase electricity meters its primary target. The dual-core architecture allows the primary 120 MHz Cortex-M4F core to run metrology algorithms continuously while the second Cortex-M4 core handles DLMS/COSEM communication stacks, billing security, and tamper detection in parallel. The 2 MB flash accommodates large certified firmware images plus staged over-the-air update slots without external memory. The integrated crypto acceleration offloads authentication and encrypted sessions, and the industrial temperature 100-LQFP package suits sealed meter enclosures. This removes an external security MCU from the bill of materials, reducing cost and board area.
Recomendado
Energy Monitoring Gateways
In energy monitoring gateways that aggregate multiple meter feeds, the ATSAM4C32CA-AUT's dual 120 MHz Cortex-M4 cores let one core service communication interfaces while the other performs aggregation, timestamping, and data compression. With 2 MB of flash, the gateway can buffer measurement records locally during network outages and support dual-bank firmware updates without downtime. The 3.3 V operation simplifies integration with standard RS-485, PLC, or wireless companion modules on the same rail. Distributor data confirms industrial temperature qualification and crypto hardware, which matters for gateways deployed in uncontrolled outdoor cabinets where data integrity and authenticated firmware are required by utility operators.
Recomendado
Industrial Power Quality Analyzers
Power quality analyzers demand sustained computation of harmonics, sags, swells, and transients across simultaneous channels. The ATSAM4C32CA-AUT addresses this with two Cortex-M4 processors clocked at 120 MHz each, providing headroom to run FFT-based harmonic analysis on one core while formatting and transmitting results on the other. The 2 MB flash stores calibration tables and logging firmware, and the 100-LQFP (14x14 mm) package gives sufficient I/O for multi-channel ADC interfaces and front-panel control. Because the device is listed with crypto hardware, results and logs can be signed at the source for regulatory traceability. Industrial temperature rating supports benchtop and panel-mounted instruments alike.
Recomendado
Smart Grid Communication Nodes
Distribution-level communication nodes in smart grid deployments benefit from the ATSAM4C32CA-AUT's partitioned processing: one Cortex-M4 core runs the protocol stack (for example, DLMS or proprietary utility protocols) while the second core manages store-and-forward buffering and diagnostics. The 2 MB flash supports redundant firmware images for field-updatable nodes, and the crypto accelerator handles node authentication on the utility network. Per Microchip's product page, the SAM4C32's system-on-chip integration was conceived precisely for smart energy infrastructure, so peripheral sets typical of communication nodes are available on the 100-pin LQFP. Industrial temperature range and Green RoHS packaging suit pole-mounted and substation environments.
Recomendado
Solar Inverter Monitoring Controllers
Solar inverters require a controller that can execute maximum-power-point and grid-monitoring computations while simultaneously managing grid-compliance communication and logging. The ATSAM4C32CA-AUT's dual-core 120 MHz Cortex-M4 architecture naturally separates these real-time and supervisory tasks, and its 2 MB flash stores inverter control firmware, grid-code tables, and update images. The 100-LQFP (14x14 mm) surface-mount package integrates well into compact inverter power stages, and industrial temperature qualification plus MRLA reliability flow (per Mouser distributor data) address the demanding thermal environment inside sealed outdoor inverters. Integrated crypto supports utility interconnection authentication requirements increasingly mandated by grid operators.
Recomendado
Building Energy Management Systems
Building energy management systems (BEMS) consolidate submetering of HVAC, lighting, and process loads. The ATSAM4C32CA-AUT fits this role as a zone controller: its dual cores split measurement polling from BACnet or Modbus server duties, the 2 MB flash retains configuration, schedules, and historical data locally, and the crypto hardware secures communication with central building automation platforms. Operating at 3.3 V, it interfaces directly with current transformer conditioning front ends and standard RS-485 transceivers. The 100-pin LQFP provides ample GPIO for relay control and display interfaces. Its industrial temperature rating tolerates electrical room conditions, and Green RoHS compliance simplifies green-building documentation.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para ATSAM4C32CA-AUT — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | ATSAM4C32CA-AU | ATSAM4C16CA-AU | ATSAM4C8CA-AU |
|---|---|---|---|---|
| Package | 100-LQFP (14x14 mm) | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | Dual ARM Cortex-M4/M4F | Dual ARM Cortex-M4/M4F | Dual ARM Cortex-M4/M4F | Dual ARM Cortex-M4/M4F |
| Maximum Clock Frequency | 120 MHz | 120 MHz | 120 MHz | 120 MHz |
| Flash Memory | 2 MB | 2 MB | 1 MB | 512 KB |
| Target Application | Smart energy / metering | Smart energy / metering | Smart energy / metering | Smart energy / metering |
Diferenciadores clave
- Full 2 MB flash for large certified firmware (frente a ATSAM4C16CA-AU)
- Cost-reduced entry option exists (frente a ATSAM4C8CA-AU)
- Packaging choice flexibility (frente a ATSAM4C32CA-AU)
Notas de diseño
Distinguish the ordering suffixes before purchase: ATSAM4C32CA-AUT is tray packaging (MRLA flow), ATSAM4C32CA-AUTR is tape and reel for automated assembly lines, and ATSAM4C32CA-AU is the standard industrial part. Ordering the wrong suffix causes line-down situations - pick-and-place machines require the -AUTR reel format, while engineering prototypes typically use tray. All three share identical silicon in the 100-LQFP (14x14 mm) footprint, so the choice affects only logistics and moisture-bake handling, not the design.
The ATSAM4C32CA-AUT operates from a 3.3 V supply per the datasheet archive listing. Design a clean 3.3 V rail with local decoupling (100 nF ceramic per supply pin pair plus bulk capacitance) since the dual 120 MHz Cortex-M4 cores create step load currents. If a security or communication peripheral runs continuously, estimate core and peripheral currents from the SAM4C family datasheet power tables rather than assumptions - dual-core simultaneous operation draws more than single-core SAM4S parts, and your regulator margin must reflect that.
The 100-LQFP (14x14 mm) has 0.5 mm pin pitch, so specify a proven LQFP-100 land pattern and solder-mask definition to avoid bridging during reflow. Route the flash-adjacent high-speed interfaces (memory bus, communication peripherals) with short traces and a solid ground plane. Leave test points on UART/SWD pins for programming and debug access - in-circuit programming of the 2 MB flash via SWD greatly speeds production calibration of meter firmware. Follow Microchip's SAM4C layout guidance in the family datasheet and evaluation-kit reference designs.
Información de cumplimiento
Mouser listing identifies the part as Green (Microchip RoHS/Green packaging flow), industrial temperature, with MRLA reliability flow. REACH and conflict-minerals status not stated in provided data - request official declarations from Microchip.