Circuitos Integrados

ATSAM4C16CA-AU

ATSAM4C16CA-AU - Dual Cortex-M4 120MHz 1MB MCU | Microchip

The Microchip Technology ATSAM4C16CA-AU is a 32-bit dual-core ARM Cortex-M4 flash microcontroller with 1MB (1M x 8) flash memory, 120MHz maximum CPU speed, and a 74-I/O 100-LQFP (14x14 mm) surface-mount package. A microcontroller (MCU) is a single integrated circuit that combines a processor core, program memory, data memory, and peripherals into one chip, forming the highest-volume segment of the embedded systems and power management IC hierarchy. The SAM4C family extends Microchip's (formerly Atmel) ARM-based SAM line by pairing two Cortex-M4 cores in one device, allowing one core to run the main application while the second handles communication, math acceleration, or safety tasks. Key features of the ATSAM4C16CA include the 32-bit dual-core Cortex-M4 architecture with DSP and floating-point extension, 120MHz operating frequency, 1MB embedded flash, connectivity peripherals including EBI/EMI external bus, I2C, IrDA, SPI, and UART/USART, plus brown-out detect/reset, DMA, LCD controller, POR, PWM, and watchdog timer peripherals. The dual-core CM4F implementation enables true parallel processing: each core executes SIMD and hardware FPU instructions, useful for motor control algorithms, cryptography, and digital signal processing without a separate DSP. Program memory is organized as 1M x 8 flash, and the device operates from a 1.2V/3.3V supply per distributor specification data. Typical applications include industrial automation, motor control with encoder feedback, LCD-based human-machine interfaces leveraging the integrated LCD controller, and communication-intensive IoT gateways using multiple UART/USART channels. Design consideration: verify flash density and I/O count against the pin-compatible SAM4C siblings (ATSAM4C8CA at 512KB, ATSAM4C32CA at 2MB) since the 100-LQFP footprint allows same-board memory migration. This page synthesizes distributor pricing, drop-in alternatives, lifecycle status, and practical design notes not found in the manufacturer datasheet.

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ATSAM4C16CA-AUR

ATSAM4C16CA-AUR - Dual-Core 120MHz 1MB Flash MCU | Microchip

The Microchip Technology ATSAM4C16CA-AUR is a 32-bit dual-core ARM Cortex-M4 (with FPU, Cortex-M4F) microcontroller from the SAM4C smart-energy series, running at 120 MHz with 1 MB (1M x 8) embedded flash, 128 KB SRAM, and a supply range of 1.62 V to 3.6 V, housed in a 100-pin LQFP (14 x 14 mm) green industrial-temperature package supplied on tape and reel. A microcontroller (MCU) is a single-chip embedded computer that integrates a processor core, program memory (flash), data memory (SRAM), and a rich set of peripherals onto one die, sitting at the lowest level of the embedded-system hierarchy below SoCs and application processors. The SAM4C family is Microchip's (formerly Atmel's) ARM-based line targeted specifically at smart energy and dual-core control applications. Key differentiating features include the true dual-core architecture - two independent 120 MHz Cortex-M4F cores that can partition secure metering firmware from application code - plus 1 MB of on-chip flash for feature-rich metering firmware and 128 KB of SRAM for buffering and protocol stacks. The 120 MHz maximum core speed delivers approximately 150 DMIPS-class performance, and the hardware FPU accelerates floating-point DSP math used in energy measurement algorithms. Architecturally, the SAM4C implements a dual-core system designed for smart energy meters: one core can run application/UI tasks while the second core handles security-critical metrology, supporting firmware partitioning that is difficult to retrofit onto single-core MCUs. Peripherals include serial interfaces (UART, SPI, I2C/TWI), timers, and analog blocks typical of the SAM4 series (full peripheral set detailed in the manufacturer datasheet). Typical applications include smart electricity meters, smart-grid nodes, industrial control panels, and secure connected devices where dual-core separation and 1 MB of flash headroom justify the SAM4C selection. A key design consideration is power integrity: at 120 MHz dual-core operation, ensure the 1.62-3.6 V supply rail is decoupled with low-ESR ceramics at every VDD pin pair, and confirm flash wait-state settings against the 120 MHz maximum clock per the datasheet. This page synthesizes verified distributor data, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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ATSAM4C16CB-AU

ATSAM4C16CB-AU - Dual Cortex-M4 120MHz 1MB MCU | Microchip

The Microchip Technology ATSAM4C16CB-AU is a 32-bit dual-core ARM Cortex-M4/M4F microcontroller running at 120 MHz with 1 MB (1M x 8) embedded Flash, 152 KB SRAM, and per-core cache, housed in a 100-pin LQFP (14x14 mm) package. A microcontroller (MCU) is a single-chip computer integrating a processor core, program memory, data memory, and peripherals. The SAM4C family sits within the wider ARM Cortex-M-based microcontroller hierarchy (MCU -> 32-bit MCU -> ARM Cortex-M4 MCU), positioning it as a system-on-chip for smart energy and industrial control systems that require two independent processing cores in one package. Key features include a dual-core architecture with one Cortex-M4 with FPU and a second Cortex-M4 processor, enabling partitioned applications such as metering computation plus communication. The 1 MB Flash supports large firmware images and OTA update dual-bank schemes. The 1.62V to 3.6V supply range suits battery and mains-powered meters, and the industrial temperature offering supports harsh deployment environments. Technical depth: each core runs up to 120 MHz with on-chip cache, improving Flash execution efficiency. Per Microchip product data, the device integrates peripherals targeted at energy metering, including serial connectivity and analog interfaces, allowing one chip to host metrology plus protocol stacks. Typical applications include smart electricity meters, smart energy gateways, industrial automation controllers, and dual-channel sensor processing where the second core offloads real-time tasks. Design consideration: at 120 MHz, supply decoupling and a clean 3.3V rail are essential; plan Flash partitioning early to exploit dual-core task isolation. This page synthesizes distributor pricing, same-package alternatives, and practical design notes not found in the manufacturer datasheet, adding value beyond spec listings.

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ATSAM4C16CB-AUR

ATSAM4C16CB-AUR - Dual-Core Cortex-M4 120MHz MCU 1MB Flash | Microchip

The Microchip Technology ATSAM4C16CB-AUR is a 32-bit dual-core ARM Cortex-M4 microcontroller IC operating at up to 120 MHz with 1 MB (1M x 8) of embedded Flash memory, housed in a 100-pin LQFP (14x14 mm) surface-mount package. It belongs to the SAM4C family, a system-on-chip solution purpose-built for smart energy 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 sits at the high end of Microchip's ARM Cortex-M-based smart metering portfolio, integrating two high-performance 32-bit Cortex-M4 processors so that one core can run the metering application while the other handles communication or security tasks. Key differentiating features include dual-core operation at 120 MHz per core, 1024 Kbytes of embedded Flash, integrated hardware cryptography (CRYPTO marked in distributor data), and industrial-grade temperature operation indicated by the -AUR suffix. The dual-core architecture enables true concurrent processing for smart metering SOC designs. Technically, the device uses the ARM Cortex-M4 RISC architecture with a supply interface supporting 1.2V/3.3V operation per distributor specification data. The LQFP-100 Green package supports MSL-rated reflow and tape-and-reel (T&R) delivery for automated assembly. Typical applications include smart energy meters, smart grid nodes, data concentrators, and industrial control systems where secure, concurrent dual-core processing is required. Design consideration: verify the 100-pin LQFP land pattern and decouple both core supply domains per the manufacturer datasheet. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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ATSAM4C32CA-AU

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

The Microchip Technology ATSAM4C32CA-AU is a 32-bit dual-core ARM Cortex-M4 (with FPU, Cortex-M4F) microcontroller operating at up to 120 MHz, integrating 2 MB (2M x 8) of embedded Flash memory, hardware cryptography, and a 100-pin LQFP (14x14 mm) package. A microcontroller (MCU) is a single-chip computer that combines a processor core, memory, and peripherals into one integrated circuit. Within the power-management hierarchy, the SAM4C family sits in Microchip's 32-bit SAM portfolio: microcontroller -> ARM Cortex-M based MCU -> system-on-chip (SoC) solution. The SAM4C32 is specifically architected as a SoC for smart energy applications such as electricity meters. Key differentiating features include the dual-core Cortex-M4/M4F architecture, which allows one core to run the metering application while the second core handles communication or security tasks; 2 MB of on-chip Flash for large firmware images with dual-bank boot strategies; and a hardware cryptographic engine (CRYPTO per Microchip product pages) supporting secure firmware and data handling. The 120 MHz maximum core speed with the Cortex-M4 DSP instructions and single-precision FPU supports FFT-based metering computations efficiently. Technical depth: the device operates from a 1.2V core / 3.3V I-O supply domain structure (per FindIC verified data), supports industrial temperature ranges (IND TEMP per Mouser), and is offered in Microchip's MRLA (material declaration, green) packaging with RoHS-green LQFP construction. The two processors enable partitioned designs where metrology accuracy and network stack latency are addressed independently. Typical applications include smart electricity meters, energy monitoring gateways, industrial control nodes, and secure IoT data concentrators, where dual-core partitioning and cryptographic acceleration directly reduce external component count. Design consideration: as a dual-core device, partition Flash and SRAM between cores early in the design and verify the supply sequencing of the 1.2V core domain against the 3.3V I-O domain in the power tree. This page synthesizes distributor pricing (as of 2026-09-20), drop-in same-family alternatives, pinout/package data, and practical design notes not consolidated in the manufacturer datasheet.

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ATSAM4C32CA-AUR

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

The Microchip Technology ATSAM4C32CA-AUR is a 32-bit smart-energy microcontroller with two ARM Cortex-M4 RISC processor cores running at up to 120 MHz, 2 Mbytes of embedded Flash, and a 100-pin LQFP package in industrial temperature grade with hardware cryptography. A microcontroller (MCU) is a system-on-chip that integrates a processor core, memory, and peripherals on a single die, sitting at the lowest level of the embedded-computing hierarchy above discrete logic and below application processors. The SAM4C family targets metering and smart-energy systems-on-chip, where two cores allow one processor to run the metrology/security stack while the other handles communications and UI. Key features include dual 32-bit ARM Cortex-M4 RISC cores with a maximum clock speed of 120 MHz, 2048 KB (2 MB) of embedded Flash, an integrated hardware crypto engine, and industrial temperature operation. The CA suffix denotes the variant with the second Cortex-M4 core plus cryptographic acceleration; the ATSAM4C32 family pairs this with rich analog and connectivity peripherals typical of the Atmel/Microchip SAM4C platform. Technically, the device belongs to the SAM4C series described by Microchip as a complete system-on-chip solution for smart-energy applications built around two high-performance 32-bit ARM Cortex-M4 processors. The 1.2 V core supply with 3.3 V I/O rails reflects a modern low-power process, while the 100-pin LQFP surface-mount package offers a 0.5 mm lead pitch suitable for automated assembly. Typical applications include electricity meters, smart grid nodes, data concentrators, and industrial monitoring endpoints where on-chip cryptography protects billing and firmware integrity. Design consideration: budget dual-core debug capacity and plan Flash partitioning between the two cores early, since the security/communication workload split strongly influences board-level power and EMC behavior. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet alone.

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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

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

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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ATSAM4C4CB-AUR

ATSAM4C4CB-AUR - Dual Cortex-M4 120MHz MCU 256KB | Microchip (Tape & Reel)

The Microchip Technology ATSAM4C4CB-AUR 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

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

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

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

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

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

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

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

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

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

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

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

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

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

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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