ATSAM4CMP8CC-AU - Dual Cortex-M4 120MHz 512KB MCU | Microchip
MPN: ATSAM4CMP8CC-AU ✓ AktifATSAM4CMP8CC-AU Ringkasan
A metrology microcontroller (MCU) is a class of microcontroller that integrates a high-accuracy analog front end and metrology computation engine alongside the general-purpose processing core. Within the power-management IC hierarchy, the ATSAM4CMP8CC-AU sits in the ARM Cortex-M4-based SAM4 family - a seamless extension of Atmel's SAM4 and SAM4C families of microcontrollers - combining compute, communications, and metrology in a single SoC.
Key features include the unique dual ARM Cortex-M4 architecture, which supports independent implementation of signal processing, application, and communications firmware in separate partitions; up to class 0.2 metrology accuracy over a dynamic range of 3000:1; industrial temperature range operation (-40C to +85C); and embedded crypto functionality for smart-grid security. On-chip cache and SRAM of up to 304 Kbytes across the SAM4CM series support demanding firmware workloads.
Technical depth: the dual-core Cortex-M4F (with hardware floating point) partitions metrology from communications tasks, improving determinism and security isolation. The ability to extend program and data memory via parallel memory interfaces allows designs to grow beyond embedded Flash limits. Firmware is developed through the SAM4 ecosystem with standard ARM CMSIS tooling.
Typical applications include poly-phase energy meters, residential smart meters, smart grid security and communications nodes, and industrial metering equipment requiring class 0.2 accuracy across a 3000:1 dynamic range.
Design consideration: partition metrology firmware and communication stacks across the two Cortex-M4 cores early in the project; this determines SRAM allocation and crypto key storage strategy and is difficult to change late in development.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Pilihan pengganti yang segera untuk ATSAM4CMP8CC-AU — sama paket, pin-pin kompatibel. Bahagian paket yang berbeza memerlukan kerja ulang PCB diasingkan.
Varietas dalam siri ini
Model serupa yang kompatibel dengan pengganti yang segera ATSAM4CMP8CC-AU (sama faktor bentuk dan kaki) — berbeza dalam Flash Memory, Metrology Accuracy, Operating Temperature, Series, Packaging.
ATSAM4CMP8CB-AU
✅ Masuk Drop-InHubungi untuk harga
Lihat Datasheet →ATSAM4CMP8CC-CU
✅ Masuk Drop-In ⚠️ Spesifikasi Tidak Disahkan📋 Alternatif rujukan (tidak dalam katalog)
ATSAM4C16C-CU
✅ Masuk Drop-In📋 Alternatif rujukan (tidak dalam katalog)
ATSAM4C8C-CU
✅ Masuk Drop-In📋 Alternatif rujukan (tidak dalam katalog)
ATSAM4CMP8CC-AU Penilaian maksimum & Ciri-ciri Elektrik
| Core Processor | ARM Cortex-M4/M4F (dual-core) |
| Core Size | 32-bit |
| Max Clock Speed | 120 MHz |
| Flash Memory | 512KB (512K x 8) |
| SRAM (series max) | Up to 304 KB with on-chip cache |
| Series | SAM4CM (SAM4C family extension) |
| Metrology Accuracy | Class 0.2, dynamic range 3000:1 |
| Crypto | Yes (embedded crypto engine) |
| Suhu Operasi | -40C to +85C (TA) |
| Kemasan | 100-LQFP (14x14 mm) |
| Jenis Pemasangan | Surface Mount |
| Memory Extension | Parallel memory interface for program/data extension |
| Packaging | Tray |
| Green Status | Green (RoHS), per Mouser listing |
Panduan Konfigurasi Pin ATSAM4CMP8CC-AU 100-lqfp (14x14 mm)
Konfigurasi pin untuk ATSAM4CMP8CC-AU (100-lqfp (14x14 mm) pakai). IC digital ini termasuk GPIO, antaramuka komunikasi (UART, SPI, I2C), dan pin kuasa. Rujuk dokumen pengeluar untuk fungsi pin alternatif dan opsi konfigurasi. Biasa digunakan dalam rancangan sistem ter嵌入式 dan PCB.
Tiada data garisan pin yang diperoleh untuk ATSAM4CMP8CC-AU.
Rujuk kepada lembaran data untuk konfigurasi pin penuh.
Aplikasi Biasa
ATSAM4CMP8CC-AU patut untuk 6 aplikasis: Poly-Phase Energy Meters, Residential Smart Meters, Smart Grid Security and Communications Nodes, Industrial Metering and Submetering, Signal Processing Embedded Systems, Secure Firmware Update Platforms.
Poly-Phase Energy Meters
The ATSAM4CMP8CC-AU is purpose-built for poly-phase metering: Microchip specifies up to class 0.2 metrology accuracy over a 3000:1 dynamic range across the -40C to +85C industrial temperature range, meeting commercial and industrial meter requirements in a single SoC. One Cortex-M4F core runs the metrology signal-processing chain with its hardware FPU, while the second core independently runs DLMS/COSEM or proprietary communication stacks, improving determinism and security isolation. The integrated crypto engine protects metering data and firmware updates, and the parallel memory interface allows firmware growth beyond the 512KB embedded Flash for multi-tariff, load-profile, and remote-disconnect features.
Disebarkan
Residential Smart Meters
For residential smart meters, the ATSAM4CMP8CC-AU integrates metrology, application processing, and communications in one device, reducing bill of materials and board area in the constrained form factor of a single-phase meter housing. Its 512KB embedded Flash accommodates the metrology firmware, tariff engine, and communication protocol stack, while the dual-core Cortex-M4 architecture isolates utility-critical metering code from modifiable communication firmware - a key smart-grid security property. With class 0.2 accuracy over a 3000:1 dynamic range, it also supports tamper-detection and partial-load billing accuracy requirements that many residential standards demand.
Disebarkan
Smart Grid Security and Communications Nodes
Microchip positions the SAM4CM family as a solution for smart grid security and communications applications. The ATSAM4CMP8CC-AU's embedded crypto engine provides hardware acceleration for authentication and encryption, while the dual Cortex-M4 partitioning keeps key handling and secure boot in a separate firmware partition from the application core. At 120 MHz with Cortex-M4F DSP instructions, each core has headroom for protocol stacks, data aggregation, and signal analysis. The parallel memory extension interface lets designers add external program and data memory as node firmware grows, extending product life in long-deployment grid infrastructure.
Disebarkan
Industrial Metering and Submetering
Industrial submetering panels require accuracy and wide dynamic range at moderate cost. The ATSAM4CMP8CC-AU delivers class 0.2 accuracy across a 3000:1 dynamic range - sufficient for lightly loaded industrial feeders - while its industrial -40C to +85C temperature rating suits unconditioned electrical rooms. One Cortex-M4F core performs continuous multi-channel signal processing with DSP instructions, and the second core services Modbus, DLMS, or Ethernet-gateway firmware. Availability through DigiKey, Mouser, LCSC, and Heisener (2,480 pieces in stock as of 2026-09-20) supports both new designs and repair volumes for installed industrial meter fleets.
Disebarkan
Signal Processing Embedded Systems
Beyond metering, the ATSAM4CMP8CC-AU is a capable dual-core DSP host: the Cortex-M4F cores include hardware single-precision FPU and DSP instructions, running at up to 120 MHz per core. According to the SAM4CM datasheet, the dual architecture supports independent firmware partitions for signal processing and communications, with up to 304KB SRAM plus on-chip cache across the series. Designs that outgrow the 512KB embedded Flash can attach external program and data memory via the parallel memory interface, making the part attractive for vibration sensing, power-quality analysis, and other real-time measurement subsystems.
Disebarkan
Secure Firmware Update Platforms
Utilities require field-updatable meters with cryptographic authentication of firmware images. The ATSAM4CMP8CC-AU supports this with its embedded crypto engine and dual-core partitioning: the metrology/application core continues operating while the second core verifies and installs signed firmware images, keeping power-accuracy interruption minimal. The 512KB Flash supports dual-bank update strategies for the primary image, and external parallel memory can hold staging areas for larger packages. Distributors list this part as an industrial, green, crypto-enabled MCU, making it a natural fit for secure OTA update architectures in metering infrastructure.
Disebarkan
Ringkasan Produk Disebarkan
Data referensi kejuruteraan untuk ATSAM4CMP8CC-AU — perbandingan, panduan rancangan, dan maklumat kesediaan
Panduan Pilihan
Perbandingan dengan Gantian
| Parametr | Produk Ini | ATSAM4CMP8CB-AU | ATSAM4CMP8CC-CU | ATSAM4C16C-CU | ATSAM4C8C-CU |
|---|---|---|---|---|---|
| Package | 100-LQFP (14x14 mm) | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same | 100-LQFP - same family | 100-LQFP - same family |
| Brand | Microchip Technology | 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 | Dual ARM Cortex-M4/M4F |
| Max Clock Speed | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz |
| Flash Memory | 512KB | 512KB | 512KB | 1MB (series) | 512KB |
| Metrology Front End | Yes (class 0.2, 3000:1 DR) | Yes (class 0.2, 3000:1 DR) | Yes (class 0.2, 3000:1 DR) | No | No |
| Embedded Crypto | Yes | Yes | Yes | Yes (SAM4C crypto option) | Yes (SAM4C crypto option) |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Penyeberangsung Jelas
- Integrated metrology front end with class 0.2 accuracy over 3000:1 dynamic range (vsATSAM4C16C-CU)
- Fully verified pin-and-package-compatible alternate source (vsATSAM4CMP8CB-AU)
- Dual-core partitioned architecture for security isolation (vsATSAM4C8C-CU)
Catatan Desain
Partition firmware across the two Cortex-M4 cores at project start: place metrology signal processing (with its class 0.2 accuracy and 3000:1 dynamic-range budget) in a dedicated partition, and keep communications and crypto firmware separate. The SAM4CM dual-core architecture is designed for this isolation, but retrofitting partitioning after the SRAM map and flash layout are frozen is costly. Use the parallel memory interface only for genuine growth headroom - do not rely on it for code on the metrology core where deterministic access timing matters.
The 100-LQFP (14x14 mm) package has 0.5 mm pin pitch - standard practice for metrology boards applies: keep the analog metrology front-end traces short and routed over a solid ground plane, segregate analog ground from switching-supply ground, and follow the SAM4CM datasheet decoupling scheme at each VDD/VDDIO pin pair. For LQFP hand or rework soldering, verify the exposed pin geometry against the LCSC-provided package diagram before committing to the footprint.
Estimated: meter designs often run continuously for decades, so total power budget matters. Since the exact supply voltage range is not stated in the retrieved web data ([DATA_NEEDED: supply voltage range]), consult the ATSAM4CM datasheet electrical characteristics for VDD/VDDIO ranges and typical core/metrology current at 120 MHz. When sizing the power supply, include the metrology analog front end as a continuous load, and confirm thermal margin for -40C to +85C ambient operation per Microchip's derating data.
Maklumat Kesediaan
Mouser lists the part as 'Green' with crypto functions; the AU ordering suffix denotes Microchip industrial range, RoHS/lead-free matte-tin finish. REACH and conflict-minerals status should be confirmed via Microchip compliance documentation.