ATSAM4CMP8CB-AUR - Dual-Core 120MHz MCU, 512KB Flash | Microchip
N.º de pieza: ATSAM4CMP8CB-AUR ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $9.85 | $9,85 |
| 10 | $8.95 | $89,50 |
| 100 | $7.9 | $790,00 |
| 500 | $7.15 | $3.575,00 |
| 1.000 | $6.55 | $6.550,00 |
ATSAM4CMP8CB-AUR Descripción general
A microcontroller (MCU) is a single-chip embedded computer that integrates a processor core, memory, and programmable peripherals on one die. The SAM4CM extends this concept into a metrology system-on-chip (SoC): it belongs to the power-management hierarchy of smart-meter silicon, where an MCU core, hardware crypto acceleration, and precision metrology engine combine to replace several discrete components. The ATSAM4CMP8CB-AUR is a seamless extension of the Atmel/Microchip SAM4 and SAM4C families, preserving software and peripheral compatibility while adding metrology features.
Key features include class 0.2 metrology accuracy over a 3000:1 dynamic range, dual Cortex-M4/M4F cores for concurrent computation and communication, a 512 KB (512K x 8) Flash array, 128 KB RAM, and hardware cryptography targeted at smart-grid security. Connectivity peripherals include EBI/EMI, I2C, IrDA, SPI, and UART/USART, allowing the chip to drive both analog front-end work and communication stacks simultaneously.
Technically, the dual-core architecture partitions tasks: one core handles 3-phase metrology computation (RMS, power, energy accumulation), while the other runs protocol and UI stacks such as DLMS/COSEM. The industrial temperature grade and green/RoHS LQFP packaging support direct deployment in outdoor meter enclosures. Mouser describes the device as 'LQFP, Green, IND TEMP, CRYPTO, 3ph SOC, MRLC, 1024K', reflecting the SAM4CM metrology SoC positioning.
Typical applications include residential and poly-phase (3-phase) electricity meters, industrial energy monitoring, smart-grid security gateways, and power-quality analysis instruments requiring class 0.2 accuracy.
Design consideration: budget the metrology analog front-end routing to keep sense lines away from switching supplies; the class 0.2 accuracy claim depends on clean supply and reference design following the Microchip reference meter design.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.
Alternativas directas para ATSAM4CMP8CB-AUR — 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 ATSAM4CMP8CB-AUR (mismo factor de forma y huella) — difiere en Core Processor, Packaging, Series, Metrology Accuracy, Operating Temperature.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
ATSAM4CMP8CB-AU
✅ Sustitución directa✓ En stock
Consulte el precio
Ver hoja de datos →ATSAM4CMP8CC-AUR
✅ Sustitución directa✓ En stock
$2.95 / unidad
Ver hoja de datos →ATSAM4CMS8CA-AUR
✅ Sustitución directa✓ En stock
$5.92 / unidad
Ver hoja de datos →ATSAM4CMP8CB-CTR
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
ATSAM4CMP8CU-AUR
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
ATSAM4CMP8CB-AUR Valores máximos y características eléctricas
| Core Processor | ARM Cortex-M4/M4F dual-core, 32-bit |
| Core Frequency | 120 MHz |
| Flash Program Memory | 512 KB (512K x 8) |
| RAM | 128 KB |
| Series | SAM4CM |
| Metrology Accuracy | Class 0.2 over 3000:1 dynamic range |
| Metrology Type | 3-phase metering SoC |
| Connectivity Peripherals | EBI/EMI, I2C, IrDA, SPI, UART/USART |
| Security Features | Hardware cryptography (CRYPTO) |
| Encapsulado | 100-LQFP (14x14 mm) |
| Tipo de montaje | Surface Mount |
| Terminal Form | Gull Wing |
| Number of Terminals | 100 |
| Package Code | LFQFP, Square |
| Temperature Grade | Industrial |
| Halogen/RoHS Status | Green (RoHS compliant per Mouser listing) |
| Metrology Channels | 7 channels (per FindIC listing) |
Guía de configuración de pines de ATSAM4CMP8CB-AUR lfqfp, square
Configuración de pines para ATSAM4CMP8CB-AUR (encapsulado lfqfp, square). 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 ATSAM4CMP8CB-AUR.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
ATSAM4CMP8CB-AUR es adecuado para 6 aplicacións: Poly-Phase (3-Phase) Smart Electricity Meters, Industrial Energy Monitoring Systems, Smart Grid Security and Communications Gateways, Residential Smart Meters, Power Quality Analysis Instruments, Solar Inverter and DER Metering.
Poly-Phase (3-Phase) Smart Electricity Meters
The ATSAM4CMP8CB-AUR is purpose-built for 3-phase electricity metering, achieving class 0.2 metrology accuracy across a 3000:1 dynamic range according to Microchip's product data. Its dual Cortex-M4/M4F cores allow hard partitioning: one core executes the metrology accumulation algorithms (RMS voltage/current, active/reactive power, energy registers) while the second core runs the communication and tariff stack with floating-point headroom from the M4F FPU. Because the metrology engine is integrated on-chip, the design avoids an external metrology AFE, reducing BOM count and simplifying certification. Firmware upgrades and DLMS/COSEM compliance fit comfortably in the 512 KB Flash. The industrial temperature grade supports outdoor meter enclosures without derating.
Recomendado
Industrial Energy Monitoring Systems
Industrial power analyzers and sub-metering panels benefit from the ATSAM4CMP8CB-AUR's 3000:1 dynamic range, which captures both light-load standby draw and full motor inrush on a single gain range. The 120 MHz dual-core throughput sustains per-cycle FFT and harmonic analysis while the second core streams results over UART/USART or SPI to SCADA gateways via I2C/SPI-connected modems. Hardware crypto secures measured-data reporting against tampering. The EBI/EMI interface can attach external memory for waveform logging. Class 0.2 accuracy means installations meet commercial billing requirements, not just monitoring, allowing one hardware platform to serve both internal audit and revenue-grade metering points.
Recomendado
Smart Grid Security and Communications Gateways
Microchip positions the SAM4CM family as a solution for smart-grid security and communications applications, and the ATSAM4CMP8CB-AUR carries this role with on-chip hardware crypto accelerators. The dedicated cryptography offloads AES-class operations for secure firmware-over-the-air updates and authenticated meter-to-head-end sessions, freeing the 120 MHz dual cores for protocol processing. USART/UART channels support RS-485, PLC, and RF modem attachments, while the second core isolates security-sensitive code in a separate execution domain. The 128 KB RAM buffers multiple concurrent sessions. Designers should follow Microchip's smart-meter reference designs for key-storage and secure-boot implementation patterns.
Recomendado
Residential Smart Meters
For single-phase and residential meters, the ATSAM4CMP8CB-AUR provides a single-chip solution combining metrology-grade measurement, tamper detection, and communication. Class 0.2 accuracy over a 3000:1 dynamic range ensures billing accuracy even at trickle loads such as standby electronics. The 512 KB Flash accommodates prepaid-metering logic, anti-tamper event logging, and multiple protocol stacks simultaneously. Its industrial temperature grade tolerates unconditioned outdoor enclosures common in distribution networks. Because the metrology engine is fully on-chip, residential meter designs achieve a compact, low-component-count layout with fewer calibration points, reducing manufacturing test time on high-volume automated production lines.
Recomendado
Power Quality Analysis Instruments
The 120 MHz dual-core architecture and floating-point M4F capability let the ATSAM4CMP8CB-AUR compute THD, sags/swells, and harmonic spectra in real time on the metrology core, while the second core drives a display or logs waveforms via EBI/EMI-attached memory. The 3000:1 dynamic range avoids range-switching artifacts during transients, a common weakness of multiplexed input instruments. Seven metrology input channels (per FindIC family data) allow monitoring three phases plus neutral simultaneously. Hardware crypto protects logged forensic data in compliance-critical installations. For bench instruments, its LQFP package simplifies prototyping on standard 100-pin QFP sockets and emulators.
Recomendado
Solar Inverter and DER Metering
Distributed energy resources such as rooftop solar inverters require bidirectional, revenue-grade energy measurement, and the ATSAM4CMP8CB-AUR's metrology engine measures energy in both directions at class 0.2 accuracy. The 3000:1 dynamic range tracks output from early-morning trickle generation to peak array output without gain switching. Its dual cores split duties between inverter control communication (grid-code monitoring via fast ADC sampling) and secure metering data reporting to utility aggregators. Hardware crypto supports utility-required authentication for export-limiting commands. The industrial temperature rating suits rooftop combiner boxes where ambient temperatures swing widely across seasons.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para ATSAM4CMP8CB-AUR — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | ATSAM4CMP8CB-AU | ATSAM4CMP8CC-AUR | ATSAM4CMS8CA-AUR |
|---|---|---|---|---|
| Package | 100-LQFP (14x14 mm) | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same family |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | ARM Cortex-M4/M4F dual-core 120 MHz | ARM Cortex-M4/M4F dual-core 120 MHz | ARM Cortex-M4/M4F dual-core 120 MHz | ARM Cortex-M4/M4F dual-core |
| Metrology Accuracy | Class 0.2, 3000:1 dynamic range | Class 0.2, 3000:1 | Class 0.2 (family spec) | Class 0.2 (family spec) |
| Hardware Crypto | Yes (CRYPTO) | Yes | Yes | Yes |
| Temperature Grade | Industrial | Industrial | Industrial | Industrial |
| Packaging | Tape & Reel | Tray | Tape & Reel | Tape & Reel |
Diferenciadores clave
- Integrated class 0.2 metrology engine (frente a ATSAM4CMS8CA-AUR)
- Tape & Reel packaging for high-volume SMT (frente a ATSAM4CMP8CB-AU)
- No cross-brand drop-in exists - design lock-in protection (frente a Generic Cortex-M4 MCUs (e.g., STM32-class))
Notas de diseño
Estimated: to preserve class 0.2 metrology accuracy, route voltage and current sense traces differentially and away from switching supplies and communication lines; keep the analog ground region under the metrology front-end separate from digital ground returns and join at a single point. The 100-pin LQFP (14x14 mm) places mixed-signal pins adjacent, so a 4-layer stack (SIG-GND-PWR-SIG) with a solid ground plane is strongly recommended. Follow the Microchip SAM4CM metering reference design for decoupling placement before committing the footprint.
Do not confuse ordering codes when sourcing: ATSAM4CMP8CB-AUR is the Tape & Reel industrial-grade part, while ATSAM4CMP8CB-AU is the tray-packed equivalent and ATSAM4CMP8CB-CTR is a commercial-temperature variant - mixing them into an outdoor meter build can cause field temperature failures. Also verify that the -AUR suffix is what your CM and purchasing system reference; secondary-market sites (Veswin, Avaq, LoveChip) resell this MPN and require authenticity screening for revenue-metering programs.
Estimated: budget a clean 3.3 V analog supply rail for the metrology front-end with an RC or LDO filter separate from the digital core rail; ripple on the metrology supply directly translates into energy-measurement error that calibration cannot fully remove at light load (the bottom of the 3000:1 dynamic range is most sensitive). Use 100 nF ceramic capacitors at each supply pin of the LQFP plus bulk 10 uF per rail, and sequence power-up per the SAM4CM datasheet to avoid latch-up on the EBI/EMI bus.
Información de cumplimiento
Mouser lists the part as 'LQFP, Green, IND TEMP' - Green denotes Microchip RoHS/halogen-free packaging. Formal REACH and conflict-minerals declarations should be obtained from Microchip's compliance portal.