Microcontroladores

Productos (18726)

ATSAM4C32CA-AUT - Dual Cortex-M4 120MHz 2MB MCU | Microchip
ATSAM4C32CA-AUT

ATSAM4C32CA-AUT - Dual Cortex-M4 120MHz 2MB MCU | Microchip

The Microchip Technology ATSAM4C32CA-AUT is a 32-bit dual-core ARM Cortex-M4 microcontroller with 2 MB flash memory, 120 MHz maximum operating frequency, and cryptographic acceleration, housed in a 100-pin LQFP (14x14 mm) package for smart energy applications. 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.

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ATSAM4C32CA-AUTR - Dual-Core 120MHz 2MB Flash MCU | Microchip
ATSAM4C32CA-AUTR

ATSAM4C32CA-AUTR - Dual-Core 120MHz 2MB Flash MCU | Microchip

The Microchip Technology ATSAM4C32CA-AUTR is a 32-bit dual-core ARM Cortex-M4 microcontroller running at 120 MHz with 2 MB of embedded flash memory, integrated cryptographic hardware acceleration, and an industrial-temperature LQFP-100 (14x14 mm) surface-mount package delivered in tape and reel format. Operating from a single 3.3V supply, it is engineered as a system-on-chip solution for smart energy and secure connected applications. A microcontroller (MCU) is a complete computing system on a single chip, combining a processor core, memory, and peripherals. Within the power-management hierarchy, the SAM4C family sits above simple single-core MCUs: it integrates two ARM Cortex-M4 RISC processors, allowing one core to run the main application while the second handles communication, metering calculations, or security tasks, effectively replacing a discrete coprocessor. Key differentiating features include the dual-core Cortex-M4 architecture (with floating-point unit, i.e., Cortex-M4F support), 2 MB (2M x 8) of on-chip flash for dual-bank firmware images, hardware cryptographic acceleration (per the Mouser designation CRYPTO), and industrial temperature qualification. These attributes directly target three-phase electricity metering and secure IoT endpoints. Technically, each Cortex-M4 core executes at up to 120 MHz, delivering high single-cycle DSP performance with hardware divide and SIMD instructions. The flash density supports large RTOS-based stacks such as FreeRTOS and dual-image OTA upgrades. The crypto engine offloads AES and related algorithms from software, reducing CPU load and improving side-channel resistance for billing-grade security. Typical applications include smart energy meters, data concentrators in smart-grid infrastructure, secure industrial gateways, and IoT sensor hubs requiring both compute headroom and cryptographic protection. The dual-core design isolates metering firmware from network stacks for improved robustness. Design consideration: confirm the exact SRAM size, peripheral set, and pinout from the official Microchip ATSAM4C32 datasheet before layout, and verify land pattern dimensions against the 14x14 mm LQFP-100 footprint. This page synthesizes distributor pricing (as of 2026-09-20), drop-in same-family alternatives, and practical design guidance not found in the manufacturer datasheet alone.

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ATSAM4C4CB-AU - Dual Cortex-M4 120MHz MCU 256KB | Microchip
ATSAM4C4CB-AU

ATSAM4C4CB-AU - Dual Cortex-M4 120MHz MCU 256KB | Microchip

The Microchip Technology ATSAM4C4CB-AU is a 32-bit dual-core ARM Cortex-M4 microcontroller operating at up to 120 MHz with 256 KB of embedded Flash and 152 KB of SRAM, housed in a 100-pin LQFP (14x14 mm) surface-mount package with a 1.62V to 3.6V supply range. A microcontroller unit (MCU) is a single-chip computer that integrates a processor core, memory, and peripherals on one die, forming the lowest tier of the embedded processor hierarchy (MCU -> system-on-chip -> embedded processor -> semiconductor). The SAM4C series is a smart-energy system-on-chip family, meaning each die integrates two CPU cores plus metering-oriented peripherals such as cryptographic acceleration. Key features include the dual ARM Cortex-M4 RISC cores each with on-chip cache, hardware cryptography (AES) acceleration, 256 Kbytes of embedded Flash (256K x 8), and 120 MHz maximum core speed. The cryptographic engine offloads security-critical computation from the main core, which is significant for revenue-grade smart meters where firmware must perform authenticated communication without sacrificing metering real-time performance. Technically, the dual-core architecture allows functional partitioning: one core typically runs the metering/application stack while the second handles communication or security tasks, improving determinism and fault isolation. The on-chip cache for each core compensates for Flash wait states at 120 MHz, sustaining high effective throughput from the 256 KB program memory. Typical applications include smart electricity meters, energy monitoring gateways, industrial data concentrators, and secure IoT nodes - use cases that benefit from the integrated crypto engine and dual-core processing headroom. Design consideration: the 1.62V to 3.6V supply window accommodates 3.3V systems, but at 120 MHz designers must verify Flash accelerator settings and power budget against the datasheet electrical characteristics before finalizing the power tree. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, with data verified as of 2026-09-20.

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ATSAM4C8CA-AU - Dual-Core 120MHz 512KB MCU | Microchip
ATSAM4C8CA-AU

ATSAM4C8CA-AU - Dual-Core 120MHz 512KB MCU | Microchip

The Microchip Technology ATSAM4C8CA-AU is a 32-bit dual-core ARM Cortex-M4/M4F microcontroller running at 120 MHz with 512 KB of embedded Flash and 128 KB of SRAM, housed in a 100-pin LQFP (14x14 mm) surface-mount package. A microcontroller unit (MCU) is a single integrated circuit that combines a processor core, memory, and peripherals into one chip, forming the lowest tier of the embedded processing hierarchy: MCU -> embedded processor -> system-on-chip (SoC) -> application processor. The ATSAM4C8CA-AU belongs to Microchip (Atmel) SAM4C family of flash-based ARM microcontrollers designed for secure, connected industrial and consumer systems. Key differentiating features include a true dual-core architecture with a secondary Cortex-M4 core dedicated to security processing, an Advanced Cryptographic Engine (ACE), anti-tamper protection, and a hardware Floating Point Unit (FPU). Peripheral density is high: five USARTs, two UARTs, two TWI (I2C) interfaces, up to seven SPI-capable serial multiplexed lines, PWM timers, and two 3-channel general-purpose 16-bit timers. The dual-core SAM4C architecture offloads security functions such as AES/DES transactions from the main core, sustaining real-time control latency on the primary core while the second core manages cryptographic authentication. A 16-bit external bus interface (EBI/EMI) extends program and data memory off-chip. An 8-channel 10-bit ADC handles analog sensing inputs. Typical applications include secure smart-metering endpoints, industrial control panels, IoT gateways, and POS/secure authentication terminals where tamper resistance and encrypted communication are mandatory. Design consideration: the EBI 16-bit external bus makes the ATSAM4C8CA-AU ideal when 128 KB of internal SRAM is insufficient, but EBI trace routing on a 100-pin LQFP requires length-matched layout for reliable operation at full speed. This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.

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ATSAM4C8CA-AUR - Dual-Core Cortex-M4 120MHz MCU | Microchip
ATSAM4C8CA-AUR

ATSAM4C8CA-AUR - Dual-Core Cortex-M4 120MHz MCU | Microchip

The Microchip Technology ATSAM4C8CA-AUR is a 32-bit dual-core ARM Cortex-M4/M4F microcontroller with 512KB (512K x 8) FLASH program memory, 128KB SRAM, and a 120MHz core clock, housed in a 100-pin LQFP (14x14 mm) surface-mount package with Tape & Reel delivery. A microcontroller (MCU) is a single-chip computer integrating a processor core, memory, and configurable peripherals on one die, sitting at the device level of the semiconductor hierarchy beneath system-on-chip (SoC) and above simple logic ICs. The SAM4C family extends Microchip's SAM4 ARM Cortex-M4 line into security-oriented, dual-processor applications where one core can dedicate itself to cryptographic or supervision tasks. Key features include the dual-core architecture (Cortex-M4F main core with hardware FPU plus a second Cortex-M4 coprocessor), an Advanced Cryptographic Engine (ACE) with anti-tamper protection, 512KB embedded Flash, and 128KB SRAM. The peripheral set includes five USARTs, two UARTs, two TWI (I2C) controllers, up to seven SPI interfaces, a PWM timer, two 3-channel 16-bit general-purpose timers, and DMA controllers, enabling complex multi-channel communication designs. Technically, the device runs from 1.2V/3.3V supply domains, supports an external bus interface (EBI/EMI) with a 16-bit bus to extend program and data memory off-chip, and integrates an LCD controller for direct segment or dot-matrix display drive. The 120MHz Cortex-M4 pipeline with DSP instructions and single-cycle FPU supports signal-processing workloads such as metering and secure communications. Typical applications include smart energy meters, secure industrial control nodes, POS terminals, and LCD-based instrumentation where tamper resistance and dual-core isolation matter. Design consideration: plan Flash partitioning between the two cores early; the ACE and anti-tamper features require careful PCB layout to avoid probing points on sensitive nets. This page synthesizes distributor data, drop-in alternatives, and design notes beyond the manufacturer datasheet for higher information gain.

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ATSAM4C8CB-AU - Dual Cortex-M4 120MHz 512KB MCU | Microchip (Tape & Reel)
ATSAM4C8CB-AU

ATSAM4C8CB-AU - Dual Cortex-M4 120MHz 512KB MCU | Microchip (Tape & Reel)

The Microchip Technology ATSAM4C8CB-AU is a 32-bit dual-core ARM Cortex-M4F microcontroller running at 120 MHz with 512 KB of embedded Flash and 152 KB of SRAM, housed in a 100-pin LQFP (14x14 mm) surface-mount package. It belongs to the SAM4C family, a system-on-chip solution engineered specifically for smart energy applications such as electricity meters. A microcontroller unit (MCU) is a single integrated circuit that combines a processor core, memory, and peripherals into one chip, sitting within the broader hierarchy of embedded processors as part of Microchip's ARM-based SAM product line. Dual-core MCUs partition application processing and secure metering/comms tasks onto separate cores, improving determinism and security isolation. Key features include two ARM Cortex-M4 processors with hardware floating-point units (FPU), 512 KB Flash organized as 512K x 8, 152 Kbytes of SRAM, and on-chip cache for each core. The device supports a 1.2V core supply with 3.3V I/O operation and is rated for industrial temperature environments. The Mouser listing highlights integrated crypto functionality, green (RoHS-type) packaging, and industrial temperature grade. Architecturally, the dual Cortex-M4 RISC cores allow integration of application logic and security-sensitive metering functions with core-to-core communication handled on-chip, reducing external component count. Per-peripheral masters and DMA reduce CPU loading in communication-heavy metering designs. Typical applications include smart energy meters (electricity metering), industrial automation nodes, and data-concentrator communication modules where two independent processing domains are required. When designing with this device, budget Flash carefully: the 512 KB density is the mid-point of the SAM4C family, and code-size growth beyond it requires migration to ATSAM4C16 variants, which share the same package footprint. This page synthesizes distributor pricing, drop-in same-footprint family alternatives, and practical design notes not found in the manufacturer datasheet, with data verified as of 2026-09-20.

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ATSAM4C8CB-AUR - Dual Cortex-M4 120MHz 512KB MCU | Microchip
ATSAM4C8CB-AUR

ATSAM4C8CB-AUR - Dual Cortex-M4 120MHz 512KB MCU | Microchip

The Microchip Technology ATSAM4C8CB-AUR is a 32-bit dual-core ARM Cortex-M4F microcontroller running at 120 MHz with 512 KB of embedded Flash and 152 KB of SRAM, housed in a 100-pin LQFP (14x14 mm) surface-mount package. It belongs to the SAM4C family, a system-on-chip solution engineered specifically for smart energy applications such as electricity meters. A microcontroller unit (MCU) is a single integrated circuit that combines a processor core, memory, and peripherals into one chip, sitting within the broader hierarchy of embedded processors as part of Microchip's ARM-based SAM product line. Dual-core MCUs partition application processing and secure metering/comms tasks onto separate cores, improving determinism and security isolation. Key features include two ARM Cortex-M4 processors with hardware floating-point units (FPU), 512 KB Flash organized as 512K x 8, 152 Kbytes of SRAM, and on-chip cache for each core. The device supports a 1.2V core supply with 3.3V I/O operation and is rated for industrial temperature environments. The Mouser listing highlights integrated crypto functionality, green (RoHS-type) packaging, and industrial temperature grade. Architecturally, the dual Cortex-M4 RISC cores allow integration of application logic and security-sensitive metering functions with core-to-core communication handled on-chip, reducing external component count. Per-peripheral masters and DMA reduce CPU loading in communication-heavy metering designs. Typical applications include smart energy meters (electricity metering), industrial automation nodes, and data-concentrator communication modules where two independent processing domains are required. When designing with this device, budget Flash carefully: the 512 KB density is the mid-point of the SAM4C family, and code-size growth beyond it requires migration to ATSAM4C16 variants, which share the same package footprint. This page synthesizes distributor pricing, drop-in same-footprint family alternatives, and practical design notes not found in the manufacturer datasheet, with data verified as of 2026-09-20.

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ATSAM4CMP16CB-AU - Dual-Core 120MHz MCU 1MB Flash | Microchip
ATSAM4CMP16CB-AU

ATSAM4CMP16CB-AU - Dual-Core 120MHz MCU 1MB Flash | Microchip

The Microchip Technology ATSAM4CMP16CB-AU is a 32-bit dual-core ARM Cortex-M4/M4F SAM4CM microcontroller IC operating at up to 120 MHz, with 1 MB (1M x 8) embedded Flash memory and 128 KB SRAM, housed in a 100-pin LQFP (14x14 mm) gull-wing surface-mount package rated for industrial temperature ranges. A microcontroller (MCU) is a single-chip computer integrating a processor core, memory, and peripherals on one die, sitting at the heart of the embedded-system hierarchy: semiconductor -> integrated circuit -> microcontroller -> system-on-chip (SoC). The SAM4CM family extends this concept by pairing two high-performance Cortex-M4 RISC processors with floating-point (M4F) support in one device, a rare architecture targeted specifically at smart energy metering. Key differentiating features include the dual-core 120 MHz processing engine, 1024 KB embedded Flash for large application and firmware images, a peripheral set tuned for utility metering (hardware support for metrology front ends and multiple communication channels), and industrial-grade temperature qualification. The 100-LQFP package provides abundant GPIO and peripheral pins while remaining hand- and reflow-solderable. Architecturally, the two Cortex-M4 cores allow functional partitioning - for example, one core runs metrology and real-time sampling while the second manages communication stacks (DLMS/COSEM, PLC, RF) - improving determinism and security separation in smart meters. Flash at 1 MB supports dual-bank field firmware upgrades. Typical applications include smart electricity meters, gas and water meter communication modules, industrial monitoring gateways, and any system needing isolated real-time control plus protocol processing. Design consideration: budget PCB layout care for the 0.5 mm-pitch 100-pin LQFP, and validate core-to-core communication latency in shared-SRAM arbitration during early prototyping. This page synthesizes distributor pricing data, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet, with all pricing referenced as of 2026-09-20.

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ATSAM4CMP16CB-AUR - Dual-Core 120MHz 1MB MCU | Microchip
ATSAM4CMP16CB-AUR

ATSAM4CMP16CB-AUR - Dual-Core 120MHz 1MB MCU | Microchip

The Microchip Technology ATSAM4CMP16CB-AUR is a 32-bit dual-core ARM Cortex-M4/M4F microcontroller operating at 120 MHz with 1 MB (1M x 8) of FLASH program memory and 128 KB of SRAM, housed in a 100-pin LQFP (14x14 mm) surface-mount package supplied in tape and reel. A microcontroller unit (MCU) is a single-chip embedded computer that integrates a processor core, memory, and configurable peripherals onto one die, forming the lowest tier of the compute hierarchy: core -> microcontroller -> embedded system. The SAM4CM family extends Microchip's (formerly Atmel) SAM4 ARM-based MCU portfolio, and this variant targets smart metering. Key features include the dual-core architecture pairing a Cortex-M4F with hardware FPU for application processing and metering computation, 1 MB of on-chip FLASH for application and firmware storage, and an integrated hardware crypto engine (CRYPTO, per Mouser listing). The device provides 52 general-purpose I/O pins and connectivity peripherals including EBI/EMI external bus, I2C, IrDA, SPI, and UART/USART, enabling flexible interfacing to meters, displays, and communication modules. Technical depth: Microchip positions the SAM4CMP16 as a system-on-chip solution for residential and poly-phase metering applications achieving up to class 0.2 metrology accuracy over a dynamic range of 3000:1, with seven metering channels and industrial temperature range support. The dual-core split allows real-time metrology sampling to run deterministically on one core while the other manages protocol stacks, LCD driving, and user interfaces without mutual interference. Typical applications include residential electricity meters, poly-phase industrial meters, and smart-grid nodes that require certified measurement accuracy plus secure data handling. The hardware cryptography block supports secure firmware and data protection demanded by utility deployments. Design consideration: this device combines 1.2V core and 3.3V I/O domains, so power-tree sequencing and decoupling must follow the manufacturer datasheet recommendations; the 100-LQFP 14x14 mm footprint requires careful high-frequency layout around the crystal and analog metrology front-end. This page synthesizes distributor pricing, same-family drop-in alternatives, and application guidance not consolidated in the manufacturer datasheet.

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ATSAM4CMP16CC-AU - Dual-Core Cortex-M4 120MHz 1MB MCU | Microchip
ATSAM4CMP16CC-AU

ATSAM4CMP16CC-AU - Dual-Core Cortex-M4 120MHz 1MB MCU | Microchip

The Microchip Technology ATSAM4CMP16CC-AU is a 32-bit dual-core ARM Cortex-M4/M4F metering system-on-chip microcontroller running at 120 MHz with 1 MB (1M x 8) of embedded Flash memory, housed in a 100-pin LQFP (14x14 mm) surface-mount package. A metering MCU is a class of microcontroller that integrates the compute cores, crypto acceleration, and analog/peripheral resources needed to measure electrical energy with utility-grade accuracy. The ATSAM4CMP16 belongs to the ARM Cortex-M4 microcontroller hierarchy (MCU -> embedded processor -> semiconductor), positioned by Microchip as a seamless extension of the SAM4 family and the SAM4C family, targeting smart energy infrastructure. Key features include the dual-core Cortex-M4/M4F architecture (one core dedicated to metrology computation, the other to communication and application logic), hardware cryptographic acceleration, and 1 MB of on-chip Flash for program storage. The dual-core split allows the metrology core to sustain class 0.2 energy accuracy without being disturbed by communication stacks. According to Microchip product data, the SAM4CMP16 achieves class 0.2 metrology accuracy over a dynamic range of 3000:1 across the industrial temperature range. The device operates from multiple supply domains (1.2 V, 1.8 V, 2.5 V, and 3.3 V as listed by distributors), and the -AU suffix denotes the green, industrial-temperature 100-pin LQFP (14x14) package in tray packaging. Typical applications include residential smart energy meters, poly-phase industrial metering, energy monitoring gateways, and sub-metering systems where secure, accurate energy measurement and robust communication interfaces must coexist on a single chip. Designers should budget dual-core flash and SRAM partitioning early, since the two Cortex-M4 cores share on-chip memories, and should plan power supply sequencing across the device multiple voltage domains. This page synthesizes distributor pricing, drop-in family alternatives, design notes, and application guidance not found in a single manufacturer datasheet.

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ATSAM4CMP16CC-AUR - Dual Cortex-M4 120MHz MCU | Microchip
ATSAM4CMP16CC-AUR

ATSAM4CMP16CC-AUR - Dual Cortex-M4 120MHz MCU | Microchip

The Microchip Technology ATSAM4CMP16CC-AUR is a 32-bit dual-core ARM Cortex-M4/M4F metering system-on-chip (SoC) microcontroller running at 120 MHz with 1 MB (1024 KB) embedded Flash, 152 KB SRAM, and integrated cryptographic acceleration, housed in a 100-pin LQFP (14x14 mm) package. A metering SoC is a class of microcontroller that combines a general-purpose MCU core with dedicated metrology computation resources, enabling smart energy meters to measure voltage, current, power, and energy with high accuracy on a single chip. Within the power management hierarchy, it sits above general-purpose MCUs by integrating metrology hardware accelerators, and it extends Atmel's proven SAM4 family and SAM4C family architecture. Key features include dual Cortex-M4/M4F cores operating at up to 120 MHz with hardware floating-point and DSP instructions, 1 MB Flash memory for firmware plus data logging, and support for poly-phase metering up to class 0.2 metrology accuracy over a dynamic range of 3000:1. The integrated crypto engine supports secure firmware and data protection, essential for modern utility infrastructure, and the part is specified for the full industrial temperature range. Architecturally, the SAM4CMP16 is a seamless extension of the SAM4C family: one core is dedicated to metrology computation while the second core handles communication, display, and application tasks. This partitioning eliminates timing conflicts between measurement and protocol stacks such as DLMS/COSEM or M-Bus, improving both measurement integrity and system responsiveness. Typical applications include residential and poly-phase electricity meters, industrial sub-meters, and secure industrial control systems requiring high-accuracy energy measurement with encrypted communication. When designing with this device, partition metrology routines on one core early in the project and validate class 0.2 accuracy across the full 3000:1 dynamic range with your front-end circuitry, since sensor selection directly affects achievable accuracy. This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.

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ATSAM4CMP32CA-AU - 120MHz Dual-Core Cortex-M4 MCU 2MB | Microchip
ATSAM4CMP32CA-AU

ATSAM4CMP32CA-AU - 120MHz Dual-Core Cortex-M4 MCU 2MB | Microchip

The Microchip Technology ATSAM4CMP32CA-AU is a 32-bit dual-core ARM Cortex-M4/M4F microcontroller from the SAM4CM series operating at 120 MHz with 2MB (2M x 8) of embedded FLASH memory, housed in a 100-pin LQFP (14 x 14 mm) surface-mount package. 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.

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ATSAM4CMP32CA-AUR - Dual-Core Cortex-M4 120MHz MCU | Microchip
ATSAM4CMP32CA-AUR

ATSAM4CMP32CA-AUR - Dual-Core Cortex-M4 120MHz MCU | Microchip

The Microchip Technology ATSAM4CMP32CA-AUR is a 32-bit dual-core ARM Cortex-M4/M4F microcontroller from the SAM4CM series, operating at up to 120MHz with 2MB (2M x 8) of embedded FLASH program memory, 256KB of SRAM, and a 100-pin LQFP (14x14 mm) surface-mount package. 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.

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ATSAM4CMP32CB-AUR - Dual-Core 120MHz 2MB Flash MCU | Microchip
ATSAM4CMP32CB-AUR

ATSAM4CMP32CB-AUR - Dual-Core 120MHz 2MB Flash MCU | Microchip

The Microchip Technology ATSAM4CMP32CB-AUR is a 32-bit dual-core ARM Cortex-M4/M4F SAM4CM microcontroller operating at 120 MHz with 2MB (2M x 8) Flash memory and hardware cryptography, housed in a 100-pin LQFP (14x14 mm) package. A microcontroller (MCU) is a single-chip embedded computer integrating a processor core, memory, and peripherals on one die. Within the power management hierarchy, the SAM4CM family sits at the system-on-chip (SoC) level: it combines general-purpose MCU functionality (Cortex-M4 with FPU) with a dedicated second core and metrology-class analog peripherals purpose-built for energy measurement, extending Atmel's well-established SAM4 architecture. Key features include a dual-core 120 MHz Cortex-M4/M4F subsystem, 2MB embedded Flash, integrated hardware crypto acceleration, and metrology capability achieving up to class 0.2 accuracy over a dynamic range of 3000:1, per the manufacturer product page. The 7-channel poly-phase front end eliminates discrete metering AFEs, reducing BOM cost and board area. Architecturally, the SAM4CMP32 partitions resources between the two cores, letting one core run metering DSP algorithms while the other handles communication (UART, SPI, I2C), protocol stacks, and UI. Power supplies span 1.2V/1.8V/2.5V/3.3V domains per distributor listings. Typical applications include residential electricity meters, poly-phase industrial energy meters, and industrial power monitoring systems operating across the industrial temperature range. Design consideration: as a factory-programmable metering SoC, confirm the metrology firmware provision and power-domain sequencing early in the design. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not consolidated in the manufacturer datasheet.

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ATSAM4CMP8CA-AUR - Dual-Core Cortex-M4 120MHz MCU | Microchip
ATSAM4CMP8CA-AUR

ATSAM4CMP8CA-AUR - Dual-Core Cortex-M4 120MHz MCU | Microchip

The Microchip Technology ATSAM4CMP8CA-AUR is a 32-bit dual-core ARM Cortex-M4/M4F microcontroller (SAM4CM series) operating at 120 MHz with 512KB Flash program memory and 128KB SRAM, housed in a 100-pin LQFP (14x14 mm) surface-mount package supplied in tape and reel. A microcontroller unit (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 computing hierarchy (MCU -> embedded processor -> integrated circuit -> semiconductor). MCUs execute dedicated control tasks in real time, unlike application processors that run general-purpose operating systems. The SAM4CM family extends Microchip's (formerly Atmel) SAM4 ARM Cortex-M portfolio by adding a second Cortex-M4F core for metering and secure applications. Key features of the ATSAM4CMP8CA include its dual-core architecture that partitions measurement and communication workloads, a 120 MHz maximum core clock for high computation throughput, 512KB of embedded Flash for firmware and data logging, and a cryptographic capability highlighted in distributor classifications (crypto, multi-rate metering support). The device operates from a 1.2V core / 3.3V I/O supply arrangement, matching standard industrial logic levels. Technically, the dual Cortex-M4 cores with FPU (M4F) allow deterministic partitioning: one core can run closed-loop metrology sampling while the other handles protocol stacks and user interfaces, reducing real-time contention. Industrial temperature grading (industrial grade per distributor data) supports harsh-environment deployment. Typical applications include polyphase energy meters, industrial control panels, building automation controllers, and secure data concentrators where segregated processing and metering accuracy are required. Design consideration: budget Flash and SRAM carefully across the two cores, and verify power sequencing of the 3.3V I/O domain against the core supply during layout. This page adds value beyond the manufacturer datasheet by synthesizing distributor pricing tiers, drop-in alternatives, and cross-reference guidance in one place.

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ATSAM4CMP8CB-AU - Dual-Core Cortex-M4 120MHz MCU | Microchip
ATSAM4CMP8CB-AU

ATSAM4CMP8CB-AU - Dual-Core Cortex-M4 120MHz MCU | Microchip

The Microchip Technology ATSAM4CMP8CB-AU is a 32-bit dual-core ARM Cortex-M4/M4F microcontroller running at 120 MHz with 512 KB (512K x 8) embedded Flash, housed in a 100-pin LQFP (14x14 mm) package. It is part of the SAM4CM series, a system-on-chip solution purpose-built for residential and poly-phase energy metering with class 0.2 metrology accuracy over a 3000:1 dynamic range across the industrial temperature range. A metering system-on-chip (SoC) is a microcontroller that integrates the compute cores, metrology-grade analog front-end support, memory, and communication peripherals required to measure, compute, and communicate energy data in a single device. Within the power management and embedded MCU hierarchy, the SAM4CM family extends Atmel's (now Microchip's) SAM4 and SAM4C families of Cortex-M4 controllers, adding metering-specific integration. Key features include a unique dual ARM Cortex-M4 architecture that lets engineers implement signal processing in one core and application plus communications firmware in a separate, independent partition, improving isolation and safety. Peripherals include EBI/EMI, I2C, IrDA, SPI, and UART/USART connectivity, plus DMA, an LCD controller, power-on reset (POR), PWM, watchdog timer (WDT), and hardware cryptography. Program and data memory can be extended via the external bus interface. Technically, the device operates from 1.2V/3.3V supplies and leverages the SAM4C family's on-chip cache design, with family memory options of up to 2 MB embedded Flash and 304 KB SRAM. The M4F cores include hardware floating-point units, benefiting 3-phase metering DSP computations and FFT-based power-quality analysis at 120 MHz. Typical applications are poly-phase smart energy meters, residential electricity meters, industrial sub-metering, and power-quality monitoring equipment. For design, use the LCD controller segment count and the independent core partitioning early in firmware architecture planning; allocate the metrology pipeline to one core to guarantee deterministic sampling. This page synthesizes distributor pricing data, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, verified as of 2026-09-20.

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ATSAM4CMP8CB-AUR - Dual-Core 120MHz MCU, 512KB Flash | Microchip
ATSAM4CMP8CB-AUR

ATSAM4CMP8CB-AUR - Dual-Core 120MHz MCU, 512KB Flash | Microchip

The Microchip Technology ATSAM4CMP8CB-AUR is a 32-bit dual-core ARM Cortex-M4/M4F microcontroller (SAM4CM series) operating at 120 MHz with 512 KB of Flash program memory and 128 KB of RAM, housed in a 100-pin LQFP (14x14 mm) package. 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.

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ATSAM4CMP8CC-AU - Dual Cortex-M4 120MHz 512KB MCU | Microchip
ATSAM4CMP8CC-AU

ATSAM4CMP8CC-AU - Dual Cortex-M4 120MHz 512KB MCU | Microchip

The Microchip Technology ATSAM4CMP8CC-AU is a 32-bit dual-core ARM Cortex-M4/M4F microcontroller with 512KB (512K x 8) embedded Flash, running at up to 120 MHz, housed in a 100-pin LQFP (14x14 mm) package. It is a metrology-enabled system-on-chip solution designed for residential and poly-phase energy metering. 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.

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ATSAM4CMP8CC-AUR - Dual-Core 120MHz Metering MCU | Microchip
ATSAM4CMP8CC-AUR

ATSAM4CMP8CC-AUR - Dual-Core 120MHz Metering MCU | Microchip

The Microchip Technology ATSAM4CMP8CC-AUR is a 32-bit dual-core ARM Cortex-M4/M4F metrology system-on-chip microcontroller running at 120 MHz with 512 KB (512K x 8) Flash, housed in a 100-pin LQFP (14x14 mm) surface-mount package. A metrology microcontroller is a specialized class of MCU within the power-management and smart-grid semiconductor hierarchy that integrates precision analog front-ends and metrology computation engines alongside a general-purpose processing core. Where a standard Cortex-M MCU only runs application firmware, a metering SoC such as the SAM4CM also digitizes current and voltage channels and computes active, reactive, and apparent energy to utility-grade accuracy, removing the need for a separate dedicated metering IC. Key features of the ATSAM4CMP8CC include dual-core operation, in which one Cortex-M4 core executes the metering algorithms while the second core handles communications and application tasks, isolating metrology integrity from protocol stacks. The device achieves poly-phase, 7-channel metrology with class 0.2 accuracy across a 3000:1 dynamic range, and integrates hardware cryptographic acceleration for smart-grid security. The SAM4CM architecture is a seamless extension of the Atmel (now Microchip) SAM4 and SAM4C families, allowing code reuse across existing smart-meter platforms. Peripherals shared with the SAM4C line, including USART, SPI, TWI, and PWM controllers, simplify board designs that combine metering with PLC, RF, or cellular communication front-ends. Typical applications include residential and poly-phase electricity meters, industrial sub-meters, smart energy gateways, and grid-security communication concentrators, where the on-chip metrology engine and crypto hardware directly address accuracy certification and data-integrity requirements. When designing with the SAM4CMP8, budget the analog front-end calibration effort early: class 0.2 accuracy over a 3000:1 dynamic range depends on external shunt or CT selection and factory calibration procedures, not only on the SoC itself. This page synthesizes distributor pricing, drop-in family alternatives, and practical design guidance that are not consolidated in the manufacturer datasheet, adding information gain for sourcing and engineering evaluation.

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ATSAM4CMS16CB-AU - Dual-Core Cortex-M4 120MHz MCU | Microchip
ATSAM4CMS16CB-AU

ATSAM4CMS16CB-AU - Dual-Core Cortex-M4 120MHz MCU | Microchip

The Microchip Technology ATSAM4CMS16CB-AU is a 32-bit dual-core ARM Cortex-M4/M4F microcontroller from the SAM4CM series, operating at 120 MHz with 1 MB of embedded Flash memory, 128 KB of SRAM, packaged in a 100-pin LQFP (14x14 mm) surface-mount package with industrial temperature range. A microcontroller (MCU) is a single integrated circuit that combines a processor core, memory, and peripherals into one chip, forming the heart of embedded systems. The SAM4CM sits within the broader hierarchy of ARM Cortex-M based 32-bit MCUs, part of Microchip's SAM4 family, and is specifically architected as a system-on-chip (SoC) solution for metering applications where signal processing and communications firmware must run in independent, isolated partitions. Key features include the unique dual ARM Cortex-M4/M4F core architecture, which allows metrology (DSP-heavy) computation and application/communications code to execute on separate cores; hardware cryptographic acceleration as highlighted by distributors (CRYPTO designation); and a supply range of 1.62V to 3.6V per verified distributor data. The on-chip cache and up to 2 MB Flash support capability in the wider family gives headroom for complex firmware images. According to Microchip, the SAM4CMS16 is a system-on-chip solution for residential and single-phase metering applications achieving up to class 0.2 metrology accuracy over a dynamic range of 3000:1 across an industrial temperature range. The dual-core partitioning enables secure, independent firmware domains that simplify metering certification workflows. Typical applications include single-phase energy meters, smart grid endpoints, industrial power monitoring, and general-purpose control tasks benefiting from dual-core isolation and DSP instructions. Design consideration: choose the CM (metering) variant only when class 0.2 measurement or core isolation is genuinely required; the single-core SAM4S in the same LQFP-100 footprint is a lower-cost fit for general control. This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.

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ATSAM4CMS32CA-AU - 120MHz Dual-Core ARM MCU | Microchip
ATSAM4CMS32CA-AU

ATSAM4CMS32CA-AU - 120MHz Dual-Core ARM MCU | Microchip

The Microchip Technology ATSAM4CMS32CA-AU is a 32-bit dual-core ARM Cortex-M4/M4F SAM4CM microcontroller operating at 120 MHz with 2 MB (2M x 8) of embedded Flash and 256 KB of SRAM, housed in a 100-pin LQFP (14 x 14 mm) surface-mount package for industrial temperature applications. A microcontroller (MCU) is a single integrated circuit that combines a processor core, program memory, data memory, and peripherals into one chip, forming the lowest layer of the embedded-system hierarchy: MCU -> embedded processor -> system-on-chip -> computing platform. The SAM4CM family belongs to Microchip's (formerly Atmel's) ARM-based SAM product line, which spans the Cortex-M0+, M3, M4, and M7 classes. Dual-core MCUs such as this partition application processing and secure or supervisory tasks onto separate cores, improving both real-time determinism and security isolation. Key features include the dual-core 120 MHz ARM Cortex-M4 with hardware floating-point unit (M4F), 2 MB of on-chip Flash for large firmware images, 256 KB of SRAM, and an integrated hardware cryptographic engine for secure boot and key storage, as noted by Microchip's product listing (CRYPTO suffix). Peripheral connectivity covers EBI/EMI external bus interface, I2C, IrDA, SPI, and UART/USART serial links, enabling multi-board communication and external memory expansion. Architecturally, the SAM4CM leverages the ARMv7E-M architecture with DSP instructions and single-cycle MAC, and the second core offloads deterministic tasks such as secure element emulation or fieldbus protocol stacks. The LFQFP package with gull-wing terminals supports standard surface-mount assembly and reflow, and the industrial temperature grade supports -40C to +85C environments (per Partstack temperature-grade data). Typical applications include industrial automation and motor control nodes, secure IoT gateways and payment terminals requiring the crypto engine, and communication concentrators using the dual UART/USART and EBI interfaces for multi-channel data acquisition. For design, budget the core supply (VDDCORE) and I/O supply domains separately, since the SAM4CM uses a dedicated 1.2 V core domain noted in distributor listings; proper decoupling of both domains is essential for 120 MHz operation. This page synthesizes distributor pricing, drop-in family alternatives, application guidance, and design notes not found in the manufacturer datasheet.

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ATSAM4CMS32CA-AUR - Dual-Core 120MHz 2MB Flash MCU | Microchip
ATSAM4CMS32CA-AUR

ATSAM4CMS32CA-AUR - Dual-Core 120MHz 2MB Flash MCU | Microchip

The Microchip Technology ATSAM4CMS32CA-AUR is a 32-bit dual-core ARM Cortex-M4/M4F microcontroller (SAM4CM series) running at up to 120 MHz with 2 MB (2M x 8) embedded Flash memory and 256 KB SRAM, housed in a 100-pin LQFP (14 x 14 mm) surface-mount package rated for -40C to +85C operation. A microcontroller (MCU) is a single-chip computer that integrates a processor core, memory, and peripherals on one die, forming the lowest tier of the embedded processing hierarchy: microcontroller -> embedded processor -> SoC. The ATSAM4CM family belongs to Microchip's SAM4 ARM Flash MCU portfolio and is unusual in offering two independent Cortex-M4F cores with floating-point units on a single device. Key features include the dual-core 120 MHz Cortex-M4F architecture, 2 MB on-chip Flash, 256 KB SRAM, a hardware cryptographic engine (CRYPTO per Mouser listing), and industrial temperature range. The MRLA (microcontroller reprogramming) capability and dual-phase operation noted in distributor listings support secure, field-updatable designs. Technically, each Cortex-M4F core integrates a hardware FPU, DSP instructions (SIMD, MAC), and a 3-stage pipeline, letting one core handle application logic while the second manages secure or real-time tasks. Peripherals and bus matrix arbitration allow the cores to share Flash and SRAM with hardware mutual exclusion. Typical applications include industrial control and automation, secure connected IoT nodes exploiting the crypto engine, and motor/power conversion systems where one core runs control loops while the other handles communication. Design consideration: dual-core Flash MCUs require careful partitioning of code and shared RAM; consult the Microchip SAM4CM family datasheet for core-to-peripheral mapping before layout. This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone. Pricing shown is as of 2026-09-20.

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ATSAM4CMS32CB-AUR - Dual-Core 120MHz Metering MCU 2MB | Microchip
ATSAM4CMS32CB-AUR

ATSAM4CMS32CB-AUR - Dual-Core 120MHz Metering MCU 2MB | Microchip

The Microchip Technology ATSAM4CMS32CB-AUR is a 32-bit dual-core ARM Cortex-M4/M4F metering system-on-chip microcontroller running at 120 MHz, with 2 MB (2M x 8) of embedded Flash and 304 KB of SRAM, housed in a 100-pin LQFP (14x14 mm) surface-mount package. It operates from a 1.62 V to 3.6 V supply across an industrial -40C to +85C temperature range. A metering MCU (metering SoC) is a class of microcontroller that integrates dedicated signal-processing and metrology resources to measure electrical energy with high accuracy. In the power-management hierarchy, it sits between general-purpose MCUs and dedicated energy-metering ASICs, combining a general-purpose CPU core with a metrology-oriented co-processing architecture in one chip. Key features include the unique dual ARM Cortex-M4 architecture, which partitions signal processing from application and communications firmware, 2 MB Flash with on-chip cache for extended program storage, class 0.2 metrology accuracy over a 3000:1 dynamic range, and integrated cryptographic hardware for secure data handling. The 10-bit ADC and 57 GPIOs support direct sensing front-ends and rich peripheral connectivity. Technically, the SAM4CM family is a seamless extension of Atmel's proven SAM4 line: one core runs metrology DSP routines while the second runs protocol stacks and application logic, with parallel memory expansion for program and data growth. Partitioned firmware domains reduce real-time contention and simplify certification of metering algorithms. Typical applications include residential and single-phase energy meters, industrial sub-metering, smart-grid nodes, and power-quality monitoring equipment, where 0.2-class accuracy across a wide dynamic range is mandatory. Design consideration: budget the 120 MHz dual-core clock tree and decouple the 1.62-3.6 V rail carefully; metrology accuracy depends on a clean analog supply for the ADC front-end. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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ATSAM4CMS4CB-AU - Dual-Core 120MHz MCU 256KB | Microchip
ATSAM4CMS4CB-AU

ATSAM4CMS4CB-AU - Dual-Core 120MHz MCU 256KB | Microchip

The Microchip Technology ATSAM4CMS4CB-AU is a 32-bit dual-core ARM Cortex-M4/M4F microcontroller running at 120 MHz with 256KB of embedded Flash and 128KB of SRAM, housed in a 100-pin LQFP (14x14 mm) tray package from the SAM4CM metrology family. A microcontroller unit (MCU) integrates a processor core, program memory, data memory, and peripheral set on a single chip, forming the compute layer of an embedded system. The SAM4CM series extends Microchip's (formerly Atmel's) SAM4C family into the smart metering domain, adding a metrology analog front end (AFE) and hardware cryptography to the general-purpose Cortex-M4 MCU architecture for single-chip energy measurement platforms. Key features of the ATSAM4CMS4CB include the dual-core Cortex-M4/M4F architecture, where one core handles application firmware and the second core can be dedicated to metrology or security tasks, delivering deterministic real-time behavior at up to 120 MHz. The integrated crypto engine accelerates authentication and encryption for smart-grid communication stacks, while the built-in single-phase, 4-channel metrology AFE supports residential and industrial metering up to class 0.2 accuracy over a dynamic range of 3000:1, according to Microchip's product documentation. Technical depth: the SAM4CM combines a high-performance RISC pipeline with FPU support (Cortex-M4F), RAM totaling 128KB, and a peripheral set suited to metering and communications. The device operates from a 1.2V core domain with integrated regulators, simplifying power-tree design in single-phase meters. Typical applications include residential and single-phase electricity meters, smart-grid data concentrators, and secure industrial metrology nodes, where the combination of metrology AFE, cryptography, and dual-core processing eliminates a separate metrology IC. Design consideration: budget Flash and RAM early - the 256KB Flash / 128KB RAM of the CB density variant should be verified against bootloader plus application footprint before PCB commitment. This page synthesizes distributor listings, family-level cross-reference data, and practical selection notes beyond what any single datasheet page provides.

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