Circuitos Integrados

ATMXT768E-ABR

ATMXT768E-ABR - maXTouch Touchscreen Controller | Microchip

The Microchip Technology ATMXT768E-ABR is a maXTouch mXT768E-AT mutual-capacitance touchscreen controller IC designed for projected-capacitive touchscreens of up to 10.1-inch diagonal or even larger. It belongs to Microchip's maXTouch family of capacitive touch controllers and integrates signal-acquisition, touch-decision, and host-interface functions in a single device. A projected-capacitive (PCAP) touchscreen controller is a specialized mixed-signal IC that drives excitation signals across rows and columns of a transparent ITO sensor grid and measures mutual capacitance changes at each intersection. Within the system hierarchy, it sits between the raw touch sensor laminate and the host processor, delivering pre-processed touch coordinates over a digital interface. This class of device is fundamental to modern human-machine interface (HMI) design in industrial, medical, and consumer equipment. Key characteristics of the mXT768E-AT include high responsiveness for large-format screens, support for multi-touch reporting, and Microchip's maXTouch object-based reporting architecture in which touch data is conveyed as structured objects over an I2C or SPI-compatible host interface. The device is firmware-configurable, allowing tuning of sensitivity, rejection thresholds, and gesture behavior to match specific sensor stacks. The ATMXT768E-ABR was originally targeted at tablets, industrial HMI panels, point-of-sale terminals, and medical monitors in the 7-inch to 10.1-inch class. Note that Microchip's product page indicates this part is no longer recommended for new designs and recommends the ATMXT1189TD-A as the alternative touch controller for new development. Design consideration: because the mXT768E-AT is in end-of-life transition, new designs should evaluate the ATMXT1189TD-A and verify firmware migration effort, sensor-stack compatibility, and pin mapping before committing to a layout. This page synthesizes distributor availability, cross-reference data, lifecycle status, and practical design notes not found in the manufacturer datasheet alone, helping engineers make a supply-risk-aware selection decision.

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ATMXTS100-CU

ATMXTS100-CU - maXStylus Active Stylus ASIC | Microchip

The Microchip Technology ATMXTS100-CU is a maXStylus Gen I active stylus ASIC designed for capacitive touch sensing systems, classified under Interface - Sensor, Capacitive Touch ICs and belonging to the maXTouch product series from Microchip Technology. The device ships in tape-and-reel packaging with a standard package quantity of 6,000 units per reel, and the part status is listed as Active per distributor and manufacturer data. An active stylus controller IC is a specialized mixed-signal device that implements the transmit and signal-processing functions of an active pen system, enabling a battery-powered stylus to communicate position, pressure, and hover information with a capacitive touchscreen that is driven by a companion maXTouch touch controller. Within the system hierarchy, this device sits alongside touch sensors and touch screen controllers inside the human-interface input subsystem of tablets, e-readers, signature pads, and other pen-enabled displays. Key characteristics identified from verified distributor data include the maXStylus Gen I generation designation, maXTouch series membership, capacitive touch interface classification, and active lifecycle status. This positions the ATMXTS100-CU within Microchip's established maXTouch ecosystem, which is widely deployed in commercial and industrial touchscreen designs. Architecturally, active stylus ASICs coordinate the stylus-tip signal generation and timing with the host touchscreen controller so that palm rejection, hover detection, and fine-line pen input can be achieved on standard mutual-capacitance panels. Designers typically pair the stylus ASIC with a maXTouch touchscreen controller on the host side to form a complete pen-and-touch subsystem. Typical applications include active pen input for tablets and 2-in-1 computing devices, digital signature capture terminals, and industrial touch panels requiring stylus precision. In each case the ASIC provides the dedicated stylus-side signal chain that a general-purpose MCU would struggle to replicate with equivalent latency and power efficiency. A key design consideration is that per available cross-reference information this device is generally not pin-compatible with capacitive touch sensors from competing vendors, so second-sourcing requires careful I/O voltage and interface evaluation. This page synthesizes distributor pricing channels, verified lifecycle data, and practical design notes not consolidated in the manufacturer datasheet.

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ATPL00B-AZU-Y

ATPL00B-AZU-Y - Power Line Comm MCU 8051 144-LQFP | Microchip

The Microchip Technology ATPL00B-AZU-Y is a Power Line Communications (PLC) microcontroller IC built around the ADD8051C3A core with on-chip SRAM, housed in a 144-lead LQFP package measuring 16 x 16 mm with a 0.4 mm pin pitch. It integrates an enhanced 8051 CPU that executes code up to five times faster than a standard 8051, plus PLC-specific peripherals including four input and four output dimmers for phase-angle power regulation and PWM generation. An application-specific microcontroller (ASMC) is a system-on-chip that combines a general-purpose CPU core with domain-focused peripherals targeted at one application class. The ATPL00B occupies the embedded microcontroller tier of the power management and communications hierarchy, positioning itself between generic MCUs and fully dedicated PLC modem chipsets by coupling the control CPU with power-line signaling support in one device. Key features include the ADD8051C3A core (standard 8051 instruction set, average speed up to x5 a standard 8051), quad dimmer capability with 4 input and 4 output channels for power regulation via phase-angle control, buffered SPI to an external metering IC, SPI-to-serial-flash and external RTC interfaces, a programmable watchdog timer, and up to 20 I/O lines. Architecturally, the ADD8051C3A core retains full 8051 software compatibility, which shortens migration from legacy 8051 metering designs while delivering the higher instruction throughput needed for real-time power-line signaling and metering calculations. The integrated dimmer blocks offload phase-control timing from software, improving regulation accuracy and CPU headroom. Typical applications are automated meter reading (AMR) and advanced meter management (AMM) infrastructure, street lighting control, and other power-line-based telemetry and control nodes where the MCU directly drives dimming and metering circuitry over the mains. When designing with the ATPL00B, budget the SRAM footprint carefully, since the on-chip SRAM is the primary program and data memory and external serial flash is used for bulk storage; verify SPI timing against the selected metering IC before layout freeze. This page consolidates distributor availability data, datasheet-derived specifications, application guidance, and sourcing notes for the ATPL00B-AZU-Y in one place, adding value beyond the manufacturer datasheet.

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ATPL100A-AZU-Y

ATPL100A-AZU-Y - 8051 Power Line Comms MCU 144-LQFP | Microchip

The Microchip Technology (Atmel) ATPL100A-AZU-Y is a Power Line Communications (PLC) microcontroller IC built around an 8051 core with 128K x 8 SRAM program memory, operating from a 3V to 3.6V supply in a 144-pin LQFP (16x16 mm) tray package. The part carries the ADD8051C3A identifier and integrates the analog and digital blocks needed for narrowband FSK power line communication on top of a standard 8051 MCU. A power line communications microcontroller is an application-specific microcontroller (ASMC) that transmits and receives data over existing AC mains or DC power wiring, eliminating the need for dedicated communication cabling. In the embedded hierarchy it sits under microcontrollers -> application specific MCUs -> system-on-chip (SoC), combining a processor core, memory, and a PLC modem front end in one device. Key features include the 8051-compatible processor core, 128K x 8 SRAM for program and data storage, a wide 144-pin LQFP footprint providing abundant GPIO and analog I/O for PLC signal conditioning, and a 3V to 3.6V supply range typical of narrowband PLC designs. The device supports FSK modulation for robust communication over noisy power lines. Technically, the ATPL100A integrates an 8051 core with the PHY/MAC functionality required for power line networking. Because program memory is SRAM rather than flash, code is typically loaded at boot from external non-volatile memory, allowing field-updatable firmware in deployed metering and automation nodes. The 144-pin package provides the pin count needed for the PLC analog front end interface, external memory bus, and general-purpose control I/O. Typical applications include smart energy metering, street lighting control networks, home automation, and industrial data acquisition over power lines. In these nodes, the ATPL100A handles both protocol processing and physical-layer signaling over the mains or DC bus. Designers should note the 3V to 3.6V supply window: a clean, well-regulated 3.3V rail with adequate decoupling is mandatory, and the SRAM-based program memory requires a defined boot-load mechanism in the system design. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, verified as of 2026-09-19.

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ATPL210A-A1U-Y

ATPL210A-A1U-Y - PRIME PLC SoC 8051 120-LQFP | Microchip

The Microchip Technology ATPL210A-A1U-Y is a Power Line Communications (PLC) System-on-Chip implementing a full PRIME-compliant OFDM modem, with an enhanced 8051 microcontroller core (ADD8051C3A), 32KB of SRAM, and housed in a 120-pin LQFP package. A power line communications SoC is a highly integrated device that combines a processor, media access controller, and physical-layer modem on a single die, allowing data to be transmitted over existing AC mains or DC power distribution lines. Within the system hierarchy, it sits at the application-specific microcontroller level: microcontroller -> embedded processor -> communications SoC, eliminating the need for a separate MCU plus external modem chipset in smart-metering and grid-automation nodes. Key architectural blocks include the ADD8051C3A enhanced 8051 IP core for user application firmware, the ADD1221 Medium Access Controller handling PRIME MAC-layer functions, and the ADD1321 modem implementing Orthogonal Frequency Division Multiplexing (OFDM) modulation compatible with PRIME (PoweRline Intelligent Metering Evolution) specifications. The 32KB on-chip SRAM serves as program and data memory, and the single-chip integration reduces board area, BOM count, and development effort compared to discrete modem-plus-MCU solutions. Because OFDM spreads information across multiple narrowband subcarriers, the ATPL210A achieves robust communication in the presence of frequency-selective fading, impulsive noise, and impedance variation that are characteristic of low-voltage power line channels - the primary reasons OFDM was adopted by the PRIME standard for narrowband PLC. Typical applications include smart electricity meters, data concentrators in advanced metering infrastructure (AMI), street-lighting control networks, and building automation nodes where the power line is the only available communication medium. Designers should note that a complete PLC node still requires an external analog front end (AFE) - coupling network, driver and filter - between the ATPL210A and the power line, as the SoC provides the digital PHY and MAC only. Firmware development typically leverages Microchip/Atmel PRIME protocol stacks. Note that the ATPL210A-A1U-Y carries an Obsolete product status in current distributor data, so new designs should evaluate lifecycle risk and current-generation Microchip PLC parts. This page consolidates distributor stock data, datasheet references, alternative part comparisons, and sourcing guidance not found in the manufacturer datasheet alone.

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ATPL230A-AKU-R

ATPL230A-AKU-R - PRIME PLC Modem 128.6Kbps | Microchip

The Microchip Technology ATPL230A-AKU-R is a PRIME-compliant power line communications (PLC) base band modem IC delivering data rates up to 128.6 kbps from a 3.3 V supply in an 80-pin LQFP (12x12 mm) package. It integrates an AES-128 crypto engine, operates from -40C to +85C, and supports CENELEC-A, FCC, and ARIB frequency bands. A power line communications modem is a specialized embedded device that transmits data over existing AC mains or DC power distribution wiring, eliminating the need for dedicated communication cabling. In the system hierarchy, the ATPL230A belongs to the class of application-specific microcontrollers and communication transceivers, bridging the gap between a host MCU and the physical power-line medium via an analog front end and coupling network. Key features include full compliance with the PHY layer of the PRIME (PRoducts for Intelligent Metering Evolution) specification v1.3 and v1.4, independently selectable transmission bands up to 472 kHz, and baud rates ranging from 5.4 kbps to 128.6 kbps. Additional robust modes and frequency band extension improve link reliability in noisy grid environments, while the hardware AES-128 engine secures metering data without burdening the host processor. The ATPL230A uses a flexible architecture composed of hardware accelerators and co-processors, enabling a highly efficient PRIME PHY implementation. An SPI interface connects the modem to an external host microcontroller, which handles PRIME MAC/CON layers and application logic. This partitioning allows firmware upgrades on the host without touching the certified PHY layer. Typical applications include smart metering (electricity, gas, water), smart grid street lighting control, solar inverter communication, and building automation over mains wiring. The industrial temperature grade of -40C to +85C supports outdoor and cabinet-mounted metering equipment. When designing with this device, budget the analog front end (line driver, coupling transformer, and filters) carefully, as PHY performance in CENELEC-A, FCC, and ARIB bands depends strongly on the external network; Microchip reference designs should be followed for coupling circuitry. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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ATPL230A-AKU-Y

ATPL230A-AKU-Y - PRIME PLC Modem MCU 80-LQFP | Microchip

The Microchip Technology ATPL230A-AKU-Y is a power line communications (PLC) baseband modem microcontroller IC compliant with the PHY layer of the PRIME (Power Line Intelligent Metering Evolution) specification, delivering data rates up to 128.6 kbps, operating from a 3V to 3.6V supply, and housed in an 80-pin LQFP (14x14 mm) surface-mount package. A power line communications baseband modem is a specialized application-specific IC that transmits and receives digital data over existing AC mains or DC power lines, eliminating the need for dedicated wiring. PLC modems sit within the broader hierarchy of communication ICs, alongside RF transceivers and wired interface ICs, and are foundational building blocks of smart grid and advanced metering infrastructure (AMI). Key features of the ATPL230A include compliance with PRIME specification versions v1.3 and v1.4, an AES-128 crypto engine for secure payload encryption, and an integrated hardware accelerator and coprocessor architecture that offloads the PRIME PHY layer processing for efficient, low-latency operation. The device supports independently selectable transmission bands up to 472 kHz, covering CENELEC-A, FCC, and ARIB frequency band regulatory domains, with baud rates ranging from 5.4 kbps to 128 kbps. Technically, the ATPL230A's flexible architecture combines hardware accelerators with programmable processing, allowing the PRIME PHY layer to be implemented with high spectral efficiency and robustness against impulsive noise typical of power line channels. Host communication is provided through an SPI interface, with the modem operating as an external peripheral to a main application processor. Typical applications include smart metering, street and industrial lighting control, home automation, solar energy systems, and PHEV (plug-in hybrid electric vehicle) charging infrastructure, where the device provides reliable narrowband PLC connectivity over the mains network. A key design consideration is supply integrity: the 3V to 3.6V operating window requires a clean regulated rail, and coupling network design to the power line strongly influences PHY performance. Note also that this part is reported as obsolete by distributors, so new designs should evaluate second sourcing. This page synthesizes distributor pricing, drop-in family alternatives, and practical design guidance not consolidated in the manufacturer datasheet.

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ATPL230AG55J19-R

ATPL230AG55J19-R - PRIME PLC MCU Bundle | Microchip Technology

The Microchip Technology ATPL230AG55J19-R is an application-specific power line communications (PLC) microcontroller bundle that combines the PL230A-AKU-R PRIME PLC modem PHY chip with the SAMG55J19A ARM Cortex-M4 flash microcontroller, supplied in LQFP surface-mount packages. This bundle (CPN for PRIME PLC modules/modems) provides the complete silicon set needed to build PRIME-compliant narrowband power line communication nodes. A power line communications microcontroller bundle is a system-level product in the semiconductor hierarchy: it belongs to the application-specific microcontroller category, which nests under microcontrollers (MCU), embedded processors, and integrated circuits. Instead of forcing engineers to source a PLC PHY and a host MCU separately, the bundle guarantees a silicon pairing that has been validated together for PRIME (PoweRline Intelligent Metering Evolution) protocol deployments. Key features of this part include the PL230A-AKU-R PLC front-end PHY with integrated analog AFE for coupling to the power line, the SAMG55J19A Cortex-M4 host MCU running the PRIME MAC/protocol stack, and the convenience of a single ordering code (-R indicates tape-and-reel packaging) covering both devices. This reduces BOM complexity and qualification effort for smart metering and grid automation platforms. Architecturally, the SAMG55J19A MCU contributes ARM Cortex-M4 processing with hardware DSP instructions, while the PL230A handles OFDM modulation/demodulation and analog line driving. The split architecture offloads real-time PHY processing from the application CPU, leaving headroom for metering firmware, security, and M2M connectivity tasks. Typical applications include smart electricity meters, streetlight control (smart lighting), solar inverter communication, and advanced metering infrastructure (AMI) data concentrators on PRIME-compliant grids such as those deployed in Europe and Latin America. A key design consideration is that this bundle requires a PRIME protocol stack license and a line-coupling network (transformer, coupling capacitors) designed to the target grid standard; the silicon alone does not form a complete modem. This page synthesizes distributor pricing and stock data, drop-in alternative analysis, and application-specific design notes not found on the manufacturer product page.

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ATPL230AG55J19-Y

ATPL230AG55J19-Y - PRIME PLC Bundle MCU Kit | Microchip

The Microchip Technology ATPL230AG55J19-Y is a Network Controller & Processor ICs bundle consisting of the PL230A-AKU-Y PRIME power line communication (PLC) modem paired with the SAMG55J19A-MU ARM-based microcontroller, supplied in an LQFP surface-mount package. This certified combination part number (CPN) provides a complete, pre-validated hardware platform for building PRIME-compliant narrowband PLC modules and modems. A power line communication modem enables data transmission over existing AC mains or utility power lines, eliminating the need for dedicated communication wiring. PRIME (PoweRline Intelligent Metering Evolution) is an open, multi-vendor narrowband PLC standard widely deployed in smart metering and AMI (Advanced Metering Infrastructure) networks across Europe, Latin America, and Asia. In the system hierarchy, this bundle spans two semiconductor categories: an application-specific PLC front-end modem and a general-purpose ARM Cortex microcontroller that hosts the PRIME protocol stack. Key features of the bundle include the PL230A PRIME-certified modem PHY with integrated analog line driver support, the SAM G55J19A microcontroller with high-performance ARM Cortex-M4-class processing for protocol execution, and pre-verified hardware compatibility between the two devices, which reduces integration risk and time-to-market. The two-die bundle approach means engineers receive factory-matched silicon whose firmware interfaces have been validated by Microchip for PRIME base node and service node operation. The ATPL230AG55J19-Y is typically used in smart electricity meters, data concentrators, street lighting control, and distribution automation equipment where PRIME-class metering connectivity over the low-voltage power line is required. The SAM G55 microcontroller side also provides peripherals such as UART/SPI/I2C and USB-class connectivity for interfacing with metering ASICs and local communication heads. For design-in, verify the LQFP footprint against the individual PL230A and SAM G55 datasheets, plan the coupling-circuit impedance for the target grid standard, and allocate code space for the PRIME stack on the MCU flash. This page synthesizes distributor pricing data, sourcing options, bundle architecture analysis, and drop-in alternative analysis not found in the manufacturer datasheet.

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ATPL250A-AKU-R

ATPL250A-AKU-R - G3-PLC Power Line Modem IC | Microchip

The Microchip Technology ATPL250A-AKU-R is a G3-PLC (Power Line Communication) modem system-on-chip delivered in an 80-pin LQFP (AKU) surface-mount package, rated for the industrial temperature range of -40C to +85C and supplied in Tape & Reel (T&R) green/RoHS packaging. It integrates hardware accelerators and coprocessors that achieve a highly efficient G3 PHY layer implementation for narrowband power line communication. A power line communication modem is a communication IC that transmits data over existing AC mains or DC power lines by modulating a carrier signal onto the line, eliminating the need for dedicated wiring. Within the system hierarchy, the ATPL250A sits between the physical analog line front end and the host microcontroller, offloading the computationally demanding PHY and MAC layers of the G3-PLC standard from the application processor. G3-PLC is an open standard promoted by the G3-PLC Alliance and supported by internationally recognized standards bodies, making it the dominant PLC technology for smart grid infrastructure. Key features include flexible support for G3-PLC CENELEC, ARIB, and FCC frequency profiles, which allows one design to serve global markets with different regulatory band plans. The hardware-accelerated architecture handles OFDM modulation, forward error correction, and convolutional interleaving in dedicated logic, delivering deterministic real-time performance that a pure software implementation cannot match. The device is classified by distributors as a Network Controller & Processor IC / power line communications microcontroller. The ATPL250A implements the G3 PHY layer with hardware accelerators and coprocessors, achieving spectral efficiency and robustness over hostile power line channels characterized by multipath fading, impulsive noise, and frequency-selective attenuation. This architecture lets a companion host MCU manage application logic, metering computation, or protocol translation while the ATPL250A transparently maintains the PLC link, including adaptive tone mapping and channel estimation. Typical applications include smart metering (electricity meters and data concentrators), smart lighting control, industrial and home automation, and home energy management gateways. In a data concentrator, the ATPL250A aggregates PLC traffic from hundreds of meters onto a backhaul link, making its PHY efficiency directly responsible for network capacity. When designing with the ATPL250A, pay close attention to the analog line driver and coupling network: PCB layout of the transmit path and use of the reference design from the Atmel/Microchip user manual are critical to meeting G3-PLC Alliance interoperability and local emissions regulations. This page synthesizes verified distributor data, drop-in alternatives from the same LQFP-80 ATPL PLC family, and selection guidance not consolidated in the manufacturer datasheet. Pricing and availability were last verified on 2026-09-19.

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ATPL250A-AKU-Y

ATPL250A-AKU-Y - G3-PLC Power Line Modem 3.3V | Microchip

The Microchip Technology ATPL250A-AKU-Y is a G3-PLC (Power Line Communication) modem microcontroller IC operating from a 3.3V supply, housed in an 80-pin LQFP (AKU) package, rated for the industrial temperature range of -40C to +85C. A power line communication modem is a specialized communication IC that transmits and receives data over existing AC mains or DC power lines, eliminating the need for dedicated wiring. It sits within the broader hierarchy of communication ICs and embedded processors: PLC modem -> telecom interface IC -> network controller -> microcontroller-class system-on-chip. G3-PLC is an open standard promoted by the G3-PLC Alliance and supported by internationally recognized standards bodies, widely deployed in smart grid infrastructure. The ATPL250A features a flexible architecture composed of hardware accelerators and coprocessors that achieve a very efficient G3 PHY layer implementation. According to the Microchip ATPL250A datasheet, the device supports G3-PLC CENELEC, ARIB, and FCC profiles, making it adaptable to regional regulatory band plans across Europe, Japan, and North America. The hardware-based PHY offloads modulation, coding, and windowing tasks from software, reducing CPU load and improving real-time determinism. This combination of flexible coprocessor architecture and multi-profile band support makes the ATPL250A a compact and highly efficient device for a wide range of smart grid applications, including smart metering (smart meters and data concentrators), street lighting control, industrial and home automation, and home area network gateways. The 80-pin LQFP provides sufficient GPIO and peripheral interfaces to host application firmware alongside the modem function. When designing with the ATPL250A, careful attention must be paid to the analog front-end coupling network between the modem and the power line, as line impedance variation directly affects achievable data rate and link reliability. Microchip provides the ATPL250A Evaluation Kit (documented in device document 00002299B) as a hardware platform for evaluating the modem and integrating it into custom designs. This page synthesizes distributor pricing, drop-in family alternatives, and practical design guidance not found in the manufacturer datasheet, consolidating data from DigiKey, Mouser, Octopart, and Microchip documentation as of 2026-09-19.

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ATPL250AG55J19-R

ATPL250AG55J19-R - G3-PLC Modem Bundle 80-LQFP | Microchip

The Microchip Technology ATPL250AG55J19-R is a G3-PLC (Power Line Communications) modem bundle combining the ATPL250A-AKU-R PLC modem front-end with the SAM G55J19A (ATSAMG55J19A-MUT) Arm Cortex-M4 based microcontroller, delivered as a pre-configured certified pair in an 80-pin LQFP tape-and-reel package. The device targets Power Line Communications applications and is classified as an embedded, application-specific microcontroller solution. A G3-PLC modem is a specialized communications IC that transmits data over existing AC mains or DC power lines using orthogonal frequency-division multiplexing (OFDM) in the CENELEC and FCC frequency bands. Within the system hierarchy it sits at the physical and data-link layers of a smart-grid or IoT node: power line modem -> communication controller -> application-specific MCU -> embedded system. By bundling the PHY modem with an MCU, Microchip removes the integration effort of pairing a modem with a host processor. Key features of this bundle include the certified G3-PLC modem stack in the ATPL250A silicon, the 120 MHz Arm Cortex-M4 core of the SAM G55 family in the SAMG55J19A, and factory-matched firmware coupling between the two dies so that the PLC protocol engine and application firmware operate as a validated pair. The Tape & Reel (T/R) delivery format supports automated pick-and-place assembly in volume production. Technically, the ATPL250A handles analog front-end functions, line coupling, and OFDM modulation/demodulation, while the SAM G55J19A executes the G3-PLC protocol stack and the end-equipment application. The bundle is identified by Microchip CPNs for G3-PLC modules and modems, listed as Bundle PL250A-AKU-R plus SAMG55J19A-MUT, and the published datasheet dates from 2016-09-20. Typical applications include smart meters (electricity, gas, water), streetlight control networks, solar inverter monitoring, and home-area energy management gateways, all of which benefit from communicating over existing power lines without new wiring. A key design consideration is that this is a bundle, not a single die: PCB layout must accommodate both the LQFP-80 host footprint and the analog line-driver/coupling network between the ATPL250A and the power line, following Microchip reference designs for coupler impedance and isolation. This page synthesizes distributor stock listings, cross-reference comparisons (including the Octopart ATPL210A-A1U-Y comparison), bundle composition notes, and procurement guidance not consolidated in the manufacturer datasheet.

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ATPL250AG55J19-Y

ATPL250AG55J19-Y - PLC MCU, SAMG55J19A + PL250A | Microchip

The Microchip Technology ATPL250AG55J19-Y is an embedded-application-specific microcontroller that integrates the PL250A power line communication (PLC) modem with the SAMG55J19A ARM Cortex-M4 microcontroller, delivered in an LQFP package with tray packing. The device combines a high-performance ARM Cortex-M4 based MCU core with a dedicated PLC signal-processing front end, targeting power line communications applications such as smart metering and industrial control. An embedded-application-specific microcontroller is a device that augments a general-purpose MCU core with dedicated application hardware, so that a single chip can run user firmware and perform a specialized physical-layer task simultaneously. In this case the category sits within the hierarchy: embedded MCU -> ARM Cortex-M4 microcontroller -> application-specific MCU -> PLC SoC, with the PL250A block handling the proprietary PLC modulation and the SAMG55J19A handling the protocol stack and application code. Key features include the PL250A-AKU-Y PLC modem function paired with the SAMG55J19A-MU MCU, LQFP surface-mount packaging, and tray packaging format as indicated by the -Y suffix. The MCU side is based on the Atmel/Microchip SAM G55 family, which provides an ARM Cortex-M4 core with DSP and floating-point instructions, suitable for running the PLC physical-layer algorithms and application stack on one die. Technical depth: the integration of the PLC modem with the Cortex-M4 core removes the need for a separate host processor in power line communication nodes, reducing BOM count, board area, and inter-chip communication latency. The LQFP leaded package offers good solderability and simplified inspection compared with fine-pitch BGA alternatives. Typical applications include smart energy metering, street lighting control, home automation gateways, and industrial power line networks, all of which require robust communication over existing mains wiring. Design consideration: PLC designs require careful analog front-end coupling to the mains via a coupling transformer and protection network; follow the Microchip reference design for the PL250A signal path. This page synthesizes distributor inventory data, packaging information, and sourcing guidance not consolidated in the manufacturer product listing.

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ATSAM3A4CA-AU

ATSAM3A4CA-AU - 84MHz Cortex-M3 MCU 256KB Flash | Microchip

The Microchip Technology ATSAM3A4CA-AU is a 32-bit ARM Cortex-M3 flash microcontroller running at 84 MHz with 256 KB of flash memory in 2 x 128 KB banks and 64 KB of SRAM in 2 x 32 KB banks, 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, memory, and programmable peripherals into one chip, forming the lowest tier of the embedded computing hierarchy: microcontroller unit, embedded processor, system-on-chip. The SAM3A family sits within Microchip's (formerly Atmel) SMART ARM-based MCU portfolio, targeting industrial and connectivity applications where a balance of performance, integration, and cost is required. Key features include the ARM Cortex-M3 revision 2.0 core with a Thumb-2 instruction set, a Memory Protection Unit (MPU), a 24-bit SysTick counter, and a Nested Vector Interrupt Controller (NVIC). On-chip analog integration comprises a 16-channel 12-bit ADC and two 12-bit DACs, while connectivity peripherals include CAN, I2C, IrDA, LIN, MMC/SDIO, SPI, SSC, UART/USART, and USB. The dual-bank flash architecture supports in-application programming and firmware update strategies, allowing one bank to execute code while the other is reprogrammed. The wide 1.62V to 3.6V supply range and internal oscillator option simplify power-supply and clock design, and the operating range of -40C to +85C suits industrial environments. Typical applications include industrial control and automation nodes, CAN-bus automotive and factory communication gateways, motor control systems, and embedded connectivity bridges using UART, SPI, and I2C peripherals. Designers should budget flash and SRAM conservatively: 256 KB of flash and 64 KB of SRAM are ample for CAN protocol stacks and control loops, but larger RTOS-based designs may prefer the SAM3A8C with 512 KB of flash. Decouple all VDD/VDDIO pins and use the internal MPU to enforce task isolation in safety-minded firmware. This page synthesizes distributor pricing, verified drop-in alternatives, and practical design notes not found in the manufacturer datasheet, based on data as of 2026-09-19.

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ATSAM3A4CA-CU

ATSAM3A4CA-CU - 84MHz Cortex-M3 MCU 256KB Flash | Microchip

The Microchip Technology ATSAM3A4CA-CU is a 32-bit ARM Cortex-M3 flash microcontroller running at 84 MHz with 256KB of flash memory (organized in 2 x 128KB banks), 64KB of SRAM (2 x 32KB banks), packaged in a 100-ball TFBGA measuring 9x9 mm. A microcontroller unit (MCU) is a single-chip embedded computer that integrates a processor core, program memory, data memory, and peripherals such as timers, serial interfaces, and analog blocks. MCUs sit at the device level of the embedded-systems hierarchy - below system-on-chip (SoC) and application processors - and the SAM3A belongs to the broader ARM Cortex-M family of 32-bit microcontroller cores, which in turn belongs to the ARM architecture ecosystem. Key features include the ARM Cortex-M3 revision 2.0 core executing the Thumb-2 instruction set, a Memory Protection Unit (MPU), a 24-bit SysTick counter, and a Nested Vectored Interrupt Controller (NVIC) for deterministic interrupt latency. The dual-bank flash architecture enables safe in-application programming, while the dual-bank SRAM supports efficient DMA transfers without bus contention. Peripherals cover automotive-relevant connectivity: two CAN controllers, USART with ISO7816, IrDA and LIN support, SPI, SSC (I2S audio), TWI (I2C-compatible), and an MMC/SD memory card interface. The device operates from a 1.62V to 3.6V single supply (typical 1.8V, 2.5V, or 3.3V rails) across an industrial temperature range, and the CU suffix denotes a RoHS-compliant, halogen-free green package. The 9x9 mm 100-ball TFBGA footprint delivers high I/O density for compact industrial PCBs. Typical applications include industrial automation nodes, CAN networking gateways, motor control and power-conversion supervisory systems, and embedded HMI or data-logging equipment. When designing with the ATSAM3A4CA-CU, budget the BGA footprint carefully: 0.8 mm ball pitch requires controlled-impedance routing for CAN and SSC signals, and the power distribution network should include decoupling per the SAM3X/SAM3A datasheet power-rail guidance. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet.

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ATSAM3A8CA-AU

ATSAM3A8CA-AU - 84MHz Cortex-M3 MCU, 512KB Flash | Microchip

The Microchip Technology ATSAM3A8CA-AU is a 32-bit ARM Cortex-M3 flash microcontroller running at up to 84 MHz with 512KB of flash memory (organized as 2 x 256KB banks) and 96KB of SRAM (64KB + 32KB banks), housed in a 100-pin LQFP (14 x 14 mm) package. A flash microcontroller is a single-chip embedded processor that integrates a CPU core, program flash, SRAM, clock system, and a rich set of peripherals onto one die. Within the power-management hierarchy, an MCU such as the SAM3A sits at the lowest level of a control system, directly driving actuators, communications transceivers, and user interfaces. The ATSAM3A8CA-AU belongs to the SAM3A family, a branch of the Atmel (now Microchip) SAM3 series based on the ARM Cortex-M3 revision 2.0 processor. Key features include the Thumb-2 instruction set, a Memory Protection Unit (MPU), a 24-bit SysTick timer, and a Nested Vector Interrupt Controller (NVIC). Peripheral connectivity is extensive: CAN, I2C (Two-Wire Interface), IrDA, LIN, MMC/SD, SPI, SSC (synchronous serial controller), and UART/USART ports. A distinctive family feature is the integrated high-speed USB 2.0 device transceiver, enabling fast firmware up/downloading and plug-and-play serial interconnectivity with robust EMI tolerance. Architecturally, the Cortex-M3 revision 2.0 core delivers deterministic interrupt latency through the NVIC and efficient code density through Thumb-2, while the dual-bank flash arrangement supports safe in-application firmware updates. The 96KB SRAM split into 64KB + 32KB banks allows concurrent buffering of communications data and application variables. Typical applications include industrial CAN networking nodes, USB-connected industrial and medical instruments, motor-control interfaces via SSC and UART/USART, and embedded gateways that bridge CAN buses to USB or SPI peripherals. Design consideration: the device operates from a 1.62V to 3.6V single supply (typical 1.8V, 2.5V, or 3.3V systems), so ensure the VDDIO and VDDCORE domains are properly decoupled and that the 12MHz crystal or internal RC source meets the PLL lock requirements before enabling the 84MHz clock tree. This page synthesizes distributor pricing signals, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.

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ATSAM3A8CA-CU

ATSAM3A8CA-CU - 84MHz Cortex-M3 MCU | Microchip Technology

Microchip Technology ATSAM3A8CA-CU is a 32-bit ARM Cortex-M3 microcontroller operating at up to 84 MHz, with 512 KB of Flash memory, 96 KB of SRAM, and a 100-TFBGA 9 x 9 mm package. It operates from 1.62 V to 3.6 V and integrates 12-bit ADC and DAC functions, a temperature sensor, 32-bit timers, PWM support, and an RTC. The connected product line also includes CAN, ISUP2C, IrDA, LIN, MMC, SPI, SSC, and UART/USART interfaces. A microcontroller is a programmable semiconductor that integrates a processor core, nonvolatile program memory, volatile data memory, peripherals, and communication interfaces on one device. The ATSAM3A8C belongs to the SAM3A family of embedded microcontrollers and uses the ARM Cortex-M3 RISC architecture. Within the product hierarchy, it is an MCU, embedded controller, RISC processor, and system-on-chip for real-time control and connected applications. The principal strengths of the ATSAM3A8CA-CU are its 84 MHz processing rate, 512 KB Flash organization, 96 KB SRAM, and broad set of mixed-signal and communications peripherals. The 12-bit ADC/DAC and integrated temperature sensor reduce the need for external sensing components in industrial monitoring designs. The dual-bank Flash organization and 64 KB plus 32 KB SRAM banking are useful for controlled firmware maintenance and memory-constrained real-time workloads. The ARM Cortex-M3 revision 2.0 core includes a Memory Protection Unit, Thumb-2 instruction set, a 24-bit SysTick counter, and nested vector interrupt control. These features support deterministic interrupt handling, protected memory regions, and efficient embedded code execution. Connectivity includes CAN, ISUP2C, IrDA, LIN, MMC, SPI, SSC, and UART/USART, allowing the MCU to serve as the central controller for industrial, communications, and data-acquisition equipment. Typical applications include industrial automation modules, CAN-connected controllers, motor and power-system control, communications equipment, environmental monitoring, and compact embedded gateways. In a CAN node, the integrated controller and transceiver interface logic simplify protocol handling. In a measurement system, the 12-bit ADC, temperature sensor, timers, and SRAM support concurrent sensing and control tasks. The principal design consideration is the 100-TFBGA footprint: the device requires a multilayer PCB, fine-pitch assembly, and careful escape-routing before power, ground, high-speed signals, and analog inputs are assigned. Designers should also verify peripheral availability, pin multiplexing, operating-temperature limits, and transceiver requirements against the manufacturer datasheet before releasing a new PCB layout. This page consolidates the verified distributor specifications, package information, memory characteristics, and connectivity details while clearly identifying engineering data that still requires datasheet confirmation. It also provides application-oriented guidance and same-package alternatives that help engineers evaluate migration without confusing compatibility with merely similar functionality.

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ATSAM3N00AA-AU

ATSAM3N00AA-AU - 48MHz Cortex-M3 MCU 16KB Flash LQFP-48 | Microchip

The Microchip Technology ATSAM3N00AA-AU (formerly Atmel) is a 32-bit ARM Cortex-M3 flash microcontroller running at up to 48 MHz with 16 KB of Flash program memory, 4 KB of SRAM, and a 48-pin LQFP (7x7 mm) surface-mount package operating over the industrial temperature range. A microcontroller (MCU) is a single integrated circuit that combines a processor core, memory, and programmable peripherals into one chip, forming the lowest tier of the embedded computing hierarchy (MCU -> embedded processor -> SoC -> application processor). The SAM3N series belongs to Microchip's ARM-based SAM flash MCU family, built on the high-performance 32-bit ARM Cortex-M3 RISC processor with Thumb-2 instruction set and an integrated Nested Vector Interrupt Controller (NVIC). Key features of the ATSAM3N00AA-AU include the ARM Cortex-M3 revision 2.0 core at 48 MHz, a 24-bit SysTick timer for RTOS tick generation, a single-cycle hardware multiply, and pin-to-pin compatible scaling across the SAM3N memory family. Supply operation spans 1.8V, 2.5V, and 3.3V rails, giving designers flexibility across battery and industrial power architectures. Technically, the device leverages the Cortex-M3 three-stage pipeline and Harvard architecture, separating instruction and data buses for efficient flash execution. The 16 KB flash supports in-system programming, while the 4 KB SRAM handles stack and data buffers. Because the SAM3N family shares a common peripheral set and footprint, firmware written for the ATSAM3N00AA migrates to larger 256 KB flash variants with minimal code changes. Typical applications include industrial sensing nodes, consumer appliance control panels, low-cost data loggers, and general-purpose embedded control where a 32-bit core is required but USB connectivity of higher SAM3N members is not used. A key design consideration is power budgeting: select the 1.8V rail for lowest active power, and verify that the 4 KB SRAM is sufficient for your RTOS stack, since this is the smallest memory point in the SAM3N family. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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ATSAM3N00AA-AUR

ATSAM3N00AA-AUR - 48MHz Cortex-M3 16KB Flash MCU | Microchip

The Microchip Technology ATSAM3N00AA-AUR is a 32-bit ARM Cortex-M3 microcontroller running at up to 48 MHz with 16 KB of single-cycle Flash memory and 4 KB of SRAM, housed in a 48-pin LQFP (7 x 7 mm) package rated for industrial temperatures of -40C to +85C. A microcontroller (MCU) is a compact integrated circuit that combines a processor core, program memory, data memory, and peripherals on a single die, serving as the control brain of embedded systems. The SAM3N family sits within the broader hierarchy of ARM-based 32-bit microcontrollers, part of Microchip's SAM product line of flash MCUs that succeeded the Atmel SAM3 series. Key features of the ATSAM3N00AA-AUR include the ARM Cortex-M3 RISC core with a 3-stage pipeline and nested vectored interrupt controller (NVIC), supply operation from 1.62 V to 3.6 V, and a rich peripheral set that includes USART, UART, TWI (I2C) and SPI serial interfaces, an 8-channel 10-bit ADC, PWM timers, and a real-time clock. Its low-power architecture provides sleep, wait, and backup operating modes for battery-sensitive designs. Technically, the device integrates a power management controller that allows per-peripheral clock gating, reducing dynamic current consumption. The Flash memory supports in-system programming via JTAG or the serial UART/TWI boot loader, and an 8-level priority interrupt structure simplifies deterministic real-time firmware design. Typical applications include industrial control nodes, consumer appliance interfaces, metering front-ends, and low-cost sensing systems where 16 KB of Flash and a 48-pin footprint provide the right balance of capability and cost. When designing with this MCU, budget code size carefully: after the SAM3N ROM library footprint, roughly 14 KB of usable Flash remains, so consider pin-compatible SAM3N family members with larger memory if code growth is expected. This page synthesizes distributor pricing, drop-in family alternatives, comparison data, and practical design notes not found in the manufacturer datasheet, with pricing as of 2026-09-19.

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ATSAM3N00AA-MU

ATSAM3N00AA-MU - 48MHz Cortex-M3 MCU 16KB Flash | Microchip

The Microchip Technology ATSAM3N00AA-MU is a 32-bit ARM Cortex-M3 flash microcontroller operating at up to 48 MHz with 16 KB of flash memory and 4 KB of SRAM, housed in a 48-pin QFN (7x7 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 heart of embedded systems. The ATSAM3N00AA belongs to the entry-level tier of the SAM3N family, which sits within the broader ARM Cortex-M 32-bit microcontroller hierarchy, above 8-bit MCUs in throughput while remaining cost-optimized for high-volume designs. Key features include the high-performance ARM Cortex-M3 RISC processor with Harvard architecture and 3-stage pipeline, 16 KB (16K x 8) of single-cycle flash program memory, and 4 KB of SRAM. The device integrates a rich peripheral set for its class, including USART and UART serial ports, SPI, TWI (I2C), multiple timers, and an ADC, enabling compact single-chip designs for serial bridging, sensing, and control tasks. The SAM3N series is documented by Atmel (now Microchip) as pin-to-pin compatible with the SAM3S series, and family members scale in memory while sharing the same footprint. This allows a single PCB design to be populated with different SAM3N/SAM3S flash densities as memory requirements evolve - a significant advantage in cost-sensitive, high-volume applications where firmware growth must not force a board respin. Typical applications include industrial sensor nodes, consumer appliance control, motor-adjacent auxiliary control, low-cost data loggers, and general-purpose embedded control where a 48 MHz 32-bit core outclasses 8-bit alternatives at a similar price point. The industrial temperature grade supports harsh environments from -40C to +85C. Design consideration: with only 16 KB flash and 4 KB SRAM, budget code size carefully; use compiler size optimization and consider ATSAM3N1AA-MU or higher as a pin-compatible upgrade path. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a decision-ready view of the SAM3N00A ecosystem.

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ATSAM3N00AA-MUR

ATSAM3N00AA-MUR - 48MHz Cortex-M3 MCU 16KB Flash | Microchip

The Microchip Technology ATSAM3N00AA-MUR is a 32-bit ARM Cortex-M3 flash microcontroller operating at 48 MHz with 16KB of flash program memory and 4KB of SRAM, housed in a 48-pin QFN (7x7 mm) package with exposed pad. It operates from 1.62V to 3.6V across the industrial temperature range of -40C to +85C. A microcontroller (MCU) is a single integrated circuit that combines a processor core, memory, and programmable peripherals into one chip, forming the lowest tier of the embedded processing hierarchy that spans from MCUs to application processors. Microcontrollers execute dedicated control tasks in real time, making them the workhorses of embedded electronics. The SAM3N family belongs to Microchip (formerly Atmel) ARM-based flash MCU portfolio, positioning itself as a cost-optimized 32-bit upgrade path from 8-bit AVR and PIC architectures. Key features of the ATSAM3N00AA include the high-performance 32-bit ARM Cortex-M3 RISC core with nested vectored interrupt controller (NVIC), a 12-channel 10-bit ADC, USART, UART, SPI and Two-Wire Interface (TWI) serial peripherals, PWM timers, and brown-out reset with watchdog supervision. The flash memory supports in-system programming, and the device supports the Serial Wire Debug (SWD) and JTAG interfaces for development. The Cortex-M3 architecture delivers Thumb-2 code density, single-cycle multiply hardware, and deterministic interrupt latency, allowing efficient C-level programming through ARM-standard toolchains such as Keil MDK, IAR Embedded Workbench, and Microchip's free MPLAB X / Atmel Studio ecosystem with the SAM D/N Xplained family of evaluation kits. Typical applications include industrial sensor nodes, consumer appliance control, stepper and DC motor control, battery-powered meters, and general-purpose 32-bit control systems where a low pin count, low power, and low BOM cost matter more than large flash capacity. When designing with this MCU, budget the modest 16KB flash carefully: use compiler size optimization (-Os) and consider the pin-compatible, higher-flash SAM3N variants for code growth headroom. This page synthesizes distributor pricing, same-package upgrade alternatives, pinout, and practical design guidance not found in the manufacturer datasheet.

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ATSAM3N00BA-AU

ATSAM3N00BA-AU - ARM Cortex-M3 MCU 48MHz 16KB | Microchip

The Microchip Technology (Atmel) ATSAM3N00BA-AU is a 32-bit ARM Cortex-M3 flash microcontroller running at 48 MHz with 16KB (16K x 8) of embedded flash memory, housed in a 64-pin LQFP (10x10 mm) surface-mount package with gull-wing terminals. It belongs to the SAM3N series of entry-level ARM-based flash microcontrollers designed for cost-sensitive embedded control. A microcontroller (MCU) is a single integrated circuit that combines a processor core, memory, and peripherals into one chip, forming the computational heart of embedded systems. Within the hierarchy of semiconductor devices, the SAM3N family sits in the 32-bit ARM microcontroller segment, positioned above 8-bit MCUs in processing capability while remaining economical. The ARM Cortex-M3 revision 2.0 core executes the Thumb-2 instruction set, delivering code density that reduces flash requirements for a given function. Key features of the ATSAM3N00BA-AU include the 48 MHz Cortex-M3 processor, a 24-bit SysTick counter for deterministic RTOS timing, and a Nested Vector Interrupt Controller (NVIC) for low-latency interrupt handling. The 16KB flash provides program storage for compact applications, and the industrial temperature rating (-40C to +85C per Mouser listing) supports harsh environments. Mouser lists the package as LQFP, Green, IND TEMP, MRL A, indicating RoHS-aligned green packaging and moisture reflow level A. According to the manufacturer datasheet, the SAM3N series provides pin-to-pin compatibility across memory-density variants, so the 16KB ATSAM3N00BA-AU can be swapped for larger-memory siblings on the same PCB when firmware outgrows available space. Architecture strengths include robust EMI tolerance and the ARM ecosystem of development tools, including the Atmel/Microchip Studio IDE and SAM-BA in-system programming. Typical applications include industrial automation nodes, consumer appliance control, motor control interfaces, and sensor-gathering IoT endpoints where 16KB of code space and 48 MHz performance are sufficient. A key design consideration: flash density is the primary constraint - verify the compiled firmware image fits within 16KB before committing to the 00B variant, since other SAM3N family members on the identical footprint offer up to 256KB. This page synthesizes distributor listings from DigiKey, Mouser, Octopart, and cross-reference research into a single resource, adding drop-in family alternatives, comparison tables, and design guidance not consolidated on the manufacturer datasheet.

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ATSAM3N00BA-MU

ATSAM3N00BA-MU - ARM Cortex-M3 48MHz 16KB MCU | Microchip

The Microchip Technology ATSAM3N00BA-MU is a 32-bit ARM Cortex-M3 flash microcontroller running at up to 48 MHz with 16 KB of embedded Flash and 4 KB of SRAM, housed in a 64-pin QFN (9x9 mm) surface-mount package with industrial temperature capability. A microcontroller (MCU) is a single-chip computer that integrates a processor core, program memory, data memory, and peripherals such as timers, serial interfaces, and analog-to-digital converters. Within the semiconductor hierarchy, the ATSAM3N00BA belongs to the microcontroller class, specifically the 32-bit ARM-based Flash MCU family, which sits above 8-bit MCUs in processing throughput while remaining below application processors in complexity. The SAM3N series targets cost-sensitive, low-power embedded control designs. Key features include the ARM Cortex-M3 revision 2.0 core with Thumb-2 instruction set, a 24-bit SysTick counter, and a Nested Vector Interrupt Controller (NVIC) for deterministic interrupt handling. Per the Atmel/Microchip datasheet, the device is pin-to-pin compatible with SAM7S legacy products (48- and 64-pin versions) and SAM3S (48-, 64-, and 100-pin versions), which significantly eases migration between family members and legacy designs. The 128-bit wide Flash access with memory accelerator sustains near-zero-wait-state execution at 48 MHz. The SAM3N architecture separates the core bus from the peripheral bus, so peripheral accesses do not stall core execution. The 16 KB Flash supports in-system programming, and the 4 KB SRAM handles application data and stacks for compact embedded firmware. Supply voltage ranges from 1.62 V to 3.6 V per distributor-verified specifications, supporting both Li-ion-tolerant and 3.3 V industrial rails. Industrial temperature grade operation supports harsh environments. Typical applications include industrial automation nodes, consumer appliance control, metering front-ends, and legacy SAM7S redesigns where pin compatibility reduces PCB changes. The 64-QFN footprint with exposed pad also suits compact sensing and actuation boards. A key design consideration is Flash density: at 16 KB, the ATSAM3N00BA suits RTOS-free or bare-metal firmware; if code grows, the pin-compatible ATSAM3N001BA/002BA/004BA offer 32/64/128 KB in the identical 64-QFN footprint. 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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ATSAM3N00BA-MUR

ATSAM3N00BA-MUR - ARM Cortex-M3 48MHz MCU 16KB Flash | Microchip

The Microchip Technology ATSAM3N00BA-MUR is a 32-bit ARM Cortex-M3 microcontroller (MCU) operating at up to 48 MHz, with 16 KB of Flash program memory and 4 KB of SRAM, housed in a 64-pin VQFN (9x9 mm) package with exposed pad. An ARM Cortex-M3 based MCU is a 32-bit reduced-instruction-set (RISC) processor core implementing the ARMv7-M architecture, which combines efficient thumb-2 instruction execution with a nested vectored interrupt controller (NVIC) for deterministic, low-latency interrupt handling. Within the embedded system hierarchy, the MCU sits at the control layer above discrete logic and below application processors, integrating CPU, Flash, SRAM, peripherals, and clocking into a single chip for cost-sensitive embedded control. Key differentiating specifications of the ATSAM3N00BA-MUR include its 48 MHz maximum core frequency, 16 KB (16K x 8) Flash memory, 4 KB SRAM, and the compact 64-QFN (9x9 mm) surface-mount package with exposed thermal pad. The -MUR suffix denotes tape-and-reel packaging for automated high-volume assembly, and the device is specified for industrial temperature-grade operation. Architecturally, the SAM3N series is Microchip's entry-level, general-purpose Cortex-M3 family, focusing on low power consumption and a rich peripheral set rather than the higher integration of the SAM4 series. The Cortex-M3 core executes the Thumb-2 instruction set, delivering high code density that is particularly valuable in Flash-constrained designs like this 16 KB part. Typical applications include industrial control nodes, consumer appliances, metering front-ends, and portable battery-powered devices where a small footprint, low power, and adequate 48 MHz processing headroom are required without the cost of larger Flash densities. When designing with this MCU, budget Flash carefully: 16 KB must hold the application plus an optional small bootloader, so use size-optimized (-Os) compilation and consider the pin-compatible larger-memory SAM3N family members for future headroom. This page synthesizes distributor pricing, same-package drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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