Микроконтроллеры

Товары (18722)

ATSAM3N1BA-MU - 48MHz 64KB Cortex-M3 MCU | Microchip
ATSAM3N1BA-MU

ATSAM3N1BA-MU - 48MHz 64KB Cortex-M3 MCU | Microchip

The Microchip ATSAM3N1BA-MU is an ARM Cortex-M3 microcontroller with a 48 MHz operating frequency, 64 KB of programmable Flash memory, and 8 KB of SRAM, housed in a 64-QFN 9x9 mm package. It provides 47 I/O pins and uses an internal oscillator, making it suitable for cost-sensitive embedded systems that require substantial memory and peripheral integration in a compact surface-mount package. An ARM Cortex-M3 microcontroller is a 32-bit reduced-instruction-computing core designed for embedded control. In the product hierarchy, it combines a processor core, embedded Flash, static RAM, interrupt control, timers, communication interfaces, and GPIO into one microcontroller IC. The Cortex-M3 revision 2.0 core supports Thumb-2 instructions, while the 24-bit SysTick counter and Nested Vector Interrupt Controller support deterministic event handling in real-time firmware. Key features include 64 KB (64K x 8) program memory, 8K x 8 RAM, 47 I/O pins, and operation up to 48 MHz. The 64-QFN package provides a compact 9x9 mm surface-mount solution, while the supplied listing identifies tray packaging. The integration of memory, GPIO, and control peripherals can reduce the number of external components in compact industrial, consumer, communications, and control products. The device is identified as an ARM-based Flash MCU and belongs to the SAM3N family. Verified listings describe it as a 32-bit microcontroller with 64 KB Flash and 8 KB RAM. The available distributor data also identifies a 1.62 V to 3.6 V supply range for ATSAM3N1BA-MU. Detailed peripheral assignments, electrical limits, pin names, and package dimensions must be confirmed against the original Atmel or Microchip datasheet before PCB release. Typical applications include embedded control panels, low-cost sensor nodes, communications equipment, motor and relay control, industrial automation modules, and compact consumer products. The internal oscillator and integrated memory help simplify clock and memory design, while the 47 I/O pins provide interfaces for sensors, actuators, displays, and serial transceivers. Firmware must be selected for the exact ATSAM3N1BA-MU pinout and peripheral map. For a new layout, place decoupling close to the supply pins and route high-current or sensitive signals away from switching nodes. Before replacing another MCU, verify package dimensions, pin names, supply limits, peripheral functions, programming requirements, and bootloader compatibility. The SAM3N family is stated to be pin-to-pin compatible with the SAM3S series, but that family-level statement does not automatically establish drop-in compatibility for every MPN or package variant.

Запрос цены Контакты
ATSAM3N1BB-AU - 48MHz Cortex-M3 MCU 64KB Flash | Microchip
ATSAM3N1BB-AU

ATSAM3N1BB-AU - 48MHz Cortex-M3 MCU 64KB Flash | Microchip

The Microchip Technology ATSAM3N1BB-AU is a 32-bit ARM Cortex-M3 flash microcontroller operating at up to 48 MHz, with 64KB (64K x 8) of Flash memory, housed in a 64-pin LQFP (10 x 10 mm) surface-mount package. A microcontroller unit (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: MCU -> embedded processor -> application processor. The SAM3N family belongs to Microchip's (formerly Atmel's) ARM-based Flash MCU portfolio and sits in the cost-optimized, high-volume segment of that hierarchy, targeting applications that need 32-bit performance without the cost of higher-integration parts. Key features of the ATSAM3N1BB include the ARM Cortex-M3 revision 2.0 core running at up to 48 MHz, Thumb-2 instruction set support, a 24-bit SysTick counter, and a Nested Vector Interrupt Controller (NVIC). According to Microchip documentation, the SAM3N series offers up to 256KB Flash and up to 24KB SRAM across family variants, with the SAM3N1B specifically providing 64KB Flash. The green (Grn) LQFP package is RoHS-oriented for lead-free assembly. The most strategically important feature is pin compatibility: the SAM3N series is pin-to-pin compatible with the SAM7S legacy products (48- and 64-pin versions) and the SAM3S series (48-, 64-pin versions), which facilitates migration within the family and protects PCB investments across design generations. Typical applications include cost-sensitive industrial control boards, consumer appliances, metering front ends, and high-volume embedded systems where aggressive pricing and ARM ecosystem tooling matter more than maximum integration. Design consideration: choose the 64-pin LQFP variant only if you need the expanded I/O; the family also offers 48-pin options for lower-cost boards, and code is portable across the family via the CMSIS-compatible toolchain (Atmel/Microchip Studio, ARM GCC). This page synthesizes distributor pricing, pin-compatible SAM3N/SAM3S/SAM7S alternatives, and practical migration notes not consolidated on the manufacturer datasheet page.

Запрос цены Контакты
ATSAM3N1BB-AUR - Cortex-M3 MCU 48MHz 64KB Flash | Microchip
ATSAM3N1BB-AUR

ATSAM3N1BB-AUR - Cortex-M3 MCU 48MHz 64KB Flash | Microchip

The Microchip Technology ATSAM3N1BB-AUR is a 32-bit ARM Cortex-M3 microcontroller from the SAM3N series, operating at up to 48 MHz with 64KB of Flash program memory and 8KB of SRAM, housed in a 64-pin LQFP (10x10 mm) surface-mount package supplied in tape and reel. 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: ARM Cortex-M3 core -> 32-bit microcontroller -> embedded processor -> semiconductor device. The SAM3N family is Microchip/Atmel's entry-level, cost-optimized Cortex-M3 line, and the series is pin-to-pin compatible with the SAM3S series, enabling straightforward migration when USB or added memory is later required. Key features of the ATSAM3N1BB-AUR include a high-performance 32-bit RISC Cortex-M3 core with nested vectored interrupt controller, 64KB (64K x 8) of embedded Flash, 8KB of SRAM, a supply range of 1.8V to 3.3V, and industrial temperature operation (-40C to +85C). Peripherals include multiple serial communication interfaces (UART, SPI, I2C/TWI), a 10-bit ADC, timers, PWM channels, and general-purpose I/O, providing strong integration for cost-sensitive designs. Technically, the Cortex-M3 architecture delivers deterministic interrupt handling via the NVIC, a 3-stage pipeline, and Thumb-2 instruction density, allowing efficient C-language execution without external memory. The SAM3N integrates a power management controller with multiple sleep and wait modes, reducing average current in battery-powered systems. The green, halogen-free LQFP package with gull-wing terminals supports automated assembly and MSL-compliant reflow. Typical applications include industrial automation and control panels, consumer appliances, metering, lighting control, and PC/peripheral interfaces where a 48 MHz 32-bit core with rich serial connectivity is required at aggressive price points. Design consideration: supply the MCU from a clean 3.3V rail with local 0.1uF decoupling on each supply pin pair, and reserve the SAM3S pin-compatible footprint (e.g., ATSAM3S1BB) if USB may be needed in future product variants. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

Запрос цены Контакты
ATSAM3N1BB-MU - 48MHz Cortex-M3 MCU 64KB Flash | Microchip
ATSAM3N1BB-MU

ATSAM3N1BB-MU - 48MHz Cortex-M3 MCU 64KB Flash | Microchip

The Microchip Technology ATSAM3N1BB-MU is a 32-bit ARM Cortex-M3 flash microcontroller running at up to 48 MHz, with 64 KB (64K x 8) embedded Flash, 8 KB SRAM, and 1.62V to 3.6V operation, housed in a 64-pin QFN (9x9 mm) surface-mount package. A microcontroller (MCU) is a single-chip embedded processor that integrates a CPU core, program memory, data memory, and peripherals such as UARTs, SPI, I2C, timers, and ADCs. Within the power-management hierarchy of embedded systems, the MCUs sit at the application-control layer, executing firmware that orchestrates sensors, actuators, and communication interfaces. The SAM3N series belongs to Microchip's (formerly Atmel) ARM-based flash MCU family, positioned for cost-sensitive, high-volume industrial and consumer designs. Key features of the ATSAM3N1BB 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). Embedded Flash uses a 128-bit wide access bus with a memory accelerator to sustain zero-wait-state execution at 48 MHz. The device supports Microchip's QTouch library for capacitive touch buttons, wheels, and sliders, adding touch interfaces without external controllers. Architecturally, the SAM3N1B emphasizes integration and legacy compatibility: it is pin-to-pin compatible with the SAM7S legacy products (48- and 64-pin versions) and with the SAM3S series (48-, 64-, and 100-pin versions), which protects existing PCB investments during platform migrations. The 64-QFN package exposes a bottom pad that must be connected to ground per the datasheet, providing both electrical grounding and thermal relief. Typical applications include industrial control nodes, consumer appliances, capacitive-touch user interfaces, and general-purpose embedded controllers where 64 KB of Flash and 48 MHz performance suffice at an aggressive price point. A key design consideration is supply supervision: operating from 1.62V to 3.6V, the part tolerates 1.8V, 2.5V, and 3.3V rails, but brown-out configuration and decoupling should follow the manufacturer datasheet for reliable Flash operation. This page synthesizes distributor pricing, drop-in alternatives, pin-compatibility cross-references, and practical design notes not found in the manufacturer datasheet.

Запрос цены Контакты
ATSAM3N1BB-MUR - 48MHz Cortex-M3 MCU 64KB Flash | Microchip
ATSAM3N1BB-MUR

ATSAM3N1BB-MUR - 48MHz Cortex-M3 MCU 64KB Flash | Microchip

The Microchip Technology ATSAM3N1BB-MUR is a 32-bit ARM Cortex-M3 microcontroller operating at 48 MHz with 64KB of FLASH program memory and 8KB of SRAM, housed in a 64-pin QFN (9x9 mm) package with exposed pad. It belongs to the SAM3N series, a cost-optimized family of flash microcontrollers designed for high-volume, cost-sensitive embedded applications. A microcontroller (MCU) is a single integrated circuit that combines a processor core, memory, and programmable peripherals into one chip, forming the brain of embedded systems. Within the power/performance hierarchy, the SAM3N series sits between entry-level 8-bit MCUs and higher-performance SAM4/SAM7 parts, offering 32-bit compute with ARM Cortex-M3 RISC architecture at an aggressive price point. According to Microchip, the SAM3N series is pin-to-pin compatible with the SAM3S series, enabling straightforward migration paths. Key features include a 48 MHz Cortex-M3 core, 64KB single-cycle flash memory, 8KB SRAM, and connectivity peripherals comprising I2C (TWI), SPI, UART/USART, and IrDA serial communication. The device operates from a single supply of 1.62V to 3.6V (with 1.8V, 2.5V, and 3.3V typical rails), making it suitable for battery-powered designs. It is ready for capacitive touch through the Microchip QTouch library, supporting buttons, wheels, and sliders without external components. Technically, the Cortex-M3 core provides a 3-stage pipeline, Thumb-2 instruction set, and a Nested Vectored Interrupt Controller (NVIC) for deterministic interrupt handling, while the flash accelerator keeps effective performance close to the 48 MHz clock rate. The 64-QFN package with exposed pad offers good thermal and electrical performance in a 9x9 mm footprint for space-constrained boards. Typical applications include industrial control boards, consumer appliances, metering and sensing nodes, and capacitive-touch user interfaces. The combination of 64KB flash and rich serial connectivity fits firmware-driven control tasks where cost and footprint dominate. A key design consideration is supply decoupling: place low-ESR ceramic capacitors close to the VDD/VDDIO pins and connect the exposed pad to ground for thermal dissipation and signal integrity. This page synthesizes distributor availability, drop-in alternatives within the pin-compatible SAM3N/SAM3S families, and practical design notes not found in a single manufacturer datasheet.

Запрос цены Контакты
ATSAM3N1CA-AU - 48MHz Cortex-M3 64KB MCU | Microchip
ATSAM3N1CA-AU

ATSAM3N1CA-AU - 48MHz Cortex-M3 64KB MCU | Microchip

The Microchip ATSAM3N1CA-AU is a 32-bit ARM Cortex-M3 flash microcontroller operating up to 48 MHz, with 64KB program flash and 8K x 8 RAM in a 100-LQFP package. It provides 79 I/O pins and uses an internal oscillator. The device combines a compact microcontroller core with embedded analog, timing, communication, and control peripherals for embedded applications. A microcontroller is a programmable semiconductor that integrates a CPU core, memory, I/O, timers, interrupt control, and peripherals on one integrated circuit. The ATSAM3N1CA-AU belongs to the SAM3N microcontroller family and is based on ARM Cortex-M3 revision 2.0. Its 32-bit architecture and Thumb-2 instruction set support efficient control-oriented processing in consumer, industrial, and medical embedded products. Key verified features include operation up to 48 MHz, 64KB flash memory, 8K x 8 RAM, 79 I/O pins, and a 100-LQFP package with a 14 x 14 mm footprint. The listed power-supply range is 1.62 V to 3.6 V, while the operating ambient-temperature range is -40°C to 85°C. Additional listed peripherals include three-channel 16-bit timers, PWM capability, a 10-bit ADC, and communication and real-time timing functions. The Cortex-M3 core includes a 24-bit SysTick counter and a Nested Vector Interrupt Controller. These resources allow firmware to coordinate precise timing, interrupt-driven I/O, motor or waveform control, and mixed-signal measurement without requiring multiple discrete components. The 64KB flash capacity is suitable for compact control firmware, while the 8K x 8 RAM supports working state, buffers, stacks, and peripheral data structures. Typical applications include industrial automation, consumer electronics, medical devices, data acquisition, low-speed communication, and embedded control systems. Designers should verify pin multiplexing, power sequencing, clock configuration, and peripheral instance availability against the manufacturer datasheet before finalizing a PCB. The surface-mount LQFP package also requires adequate assembly clearance and thermal consideration during soldering and enclosure design. This page consolidates verified specifications, sourcing information, design considerations, and application guidance. Distributor pricing and lifecycle details should be checked against current authorized-channel data before purchase because the supplied results include search snippets rather than a complete manufacturer-approved inventory record.

Запрос цены Контакты
ATSAM3N1CA-CU - 48MHz Cortex-M3 MCU | Microchip | 100-TFBGA
ATSAM3N1CA-CU

ATSAM3N1CA-CU - 48MHz Cortex-M3 MCU | Microchip | 100-TFBGA

The Microchip Technology ATSAM3N1CA-CU is a 32-bit ARM Cortex-M3 microcontroller operating up to 48 MHz, with 64 KB of Flash program memory, 8 KB of SRAM, and 79 I/O in a 100-TFBGA (9x9 mm) package. It combines a 1.62 V to 3.6 V supply range with an internal oscillator and an extensive serial-interface set, making it suitable for compact embedded-control and cost-sensitive migration designs. A microcontroller is a programmable integrated circuit that combines a processor core, memory, peripherals, and I/O in one package. The ATSAM3N1 belongs to the SAM3N family, a reduced-cost branch of the SAM3 series. According to the manufacturer documentation, the SAM3N family provides a migration path from SAM3S devices and is pin-to-pin compatible with the SAM3S family, supporting design consolidation while controlling component cost. Key features include an ARM Cortex-M3 revision 2.0 core running to 48 MHz, the Thumb-2 instruction set, a 24-bit SysTick counter, and a Nested Vector Interrupt Controller. The device provides 64 KB of Flash program memory, 8 KB of RAM, 79 I/O, and connectivity including I2C, SPI, UART/USART, and IrDA. These resources support moderate real-time workloads without requiring a larger external-memory interface. The Cortex-M3 architecture provides deterministic interrupt handling and efficient 32-bit processing while retaining a straightforward firmware-development model. Its integration of communications peripherals reduces the need for external interface controllers, while the 100-TFBGA package supports dense boards where connector count and placement flexibility are important. The verified distributor data also identifies the part in a 100-TFBGA package, although one result labels the case as 100-TQFP; package-specific mechanical drawings should therefore be checked against the exact ordering code before layout. Typical applications include industrial controllers, compact sensor nodes, building-automation equipment, serial gateways, and cost-sensitive consumer devices. The ATSAM3N1CA-CU is particularly appropriate when firmware and peripheral requirements fit within 64 KB of Flash and 8 KB of SRAM, and when PCB area favors a 9 x 9 mm BGA package over a leaded package. Designers should plan decoupling close to the supply pins, validate the exposed-pad thermal path, and use a package-specific footprint and pin-assignment library. Before committing to a drop-in substitution, verify supply voltage, peripheral mix, pin mapping, flash/RAM capacity, and migration notes because compatibility within the SAM3N family does not by itself establish compatibility with every unrelated microcontroller.

Запрос цены Контакты
ATSAM3N1CB-AU - 48MHz Cortex-M3 MCU 64KB Flash | Microchip
ATSAM3N1CB-AU

ATSAM3N1CB-AU - 48MHz Cortex-M3 MCU 64KB Flash | Microchip

The Microchip Technology (Atmel) ATSAM3N1CB-AU is a 32-bit ARM Cortex-M3 flash microcontroller from the SAM3N series, running at up to 48 MHz with 64KB of on-chip flash memory in a 100-pin LQFP (14x14 mm) surface-mount package. A microcontroller (MCU) is a single-chip computer that integrates a processor core, program memory, data memory, and peripheral interfaces such as UART, SPI, and I2C. The SAM3N family sits within the broader hierarchy of 32-bit MCUs based on the ARM Cortex-M3 RISC processor, a widely adopted embedded-core architecture that balances performance, deterministic interrupt handling, and low power consumption for cost-sensitive industrial designs. Key features of the ATSAM3N1CB-AU include the high-performance 32-bit Cortex-M3 core at 48 MHz, 64KB (64K x 8) of embedded flash for program storage, operation from 1.8V, 2.5V, or 3.3V supply rails, and the high pin-count 100-LQFP package that exposes generous GPIO and peripheral routing for complex boards. The device belongs to the SAM3N series, which Microchip (via the Atmel acquisition) positions as a general-purpose, cost-effective flash MCU line. Technically, the part leverages the ARM Cortex-M3 RISC processor with thumb-2 instruction set efficiency, nested vectored interrupt control, and standard Atmel/Microchip SAM peripheral infrastructure. The 100-pin LQFP (14x14) footprint is a mature, industry-standard surface-mount package compatible with conventional reflow assembly processes. Typical applications include industrial automation nodes, consumer appliance control boards, motor-adjacent control logic, and embedded sensing/communication modules where a 32-bit core with 64KB flash is sufficient and USB or Ethernet are not required. A key design consideration is supply-rail selection: because the device supports 1.8V, 2.5V, and 3.3V operation, engineers should validate I/O voltage level compatibility with connected peripherals early in the design. Adequate decoupling capacitors on all supply pins of the 100-pin package are essential. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet alone.

Запрос цены Контакты
ATSAM3N1CB-AUR - 48MHz Cortex-M3 MCU 64KB Flash | Microchip
ATSAM3N1CB-AUR

ATSAM3N1CB-AUR - 48MHz Cortex-M3 MCU 64KB Flash | Microchip

The Microchip Technology ATSAM3N1CB-AUR is a 32-bit ARM Cortex-M3 microcontroller operating at 48 MHz, with 64KB of FLASH program memory and 8KB 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 programmable peripherals into one chip, forming the lowest layer of the embedded-system hierarchy: MCU -> embedded processor -> system-on-chip -> computing platform. The SAM3N series belongs to Microchip (formerly Atmel) ARM-based flash MCU family, targeting cost-sensitive, low-power industrial and consumer designs. Key features include the ARM Cortex-M3 RISC core at up to 48 MHz, 64KB (64K x 8) of flash program memory, 8KB of SRAM, and connectivity peripherals including I2C, SPI, UART/USART, and IrDA. Analog capability is a highlight: 16 channels of 10-bit ADC and one 10-bit DAC, unusual at this price point and valuable for sensor-interface designs. The device operates from a 1.62V to 3.6V supply (1.8V/3.3V nominal) across an industrial temperature range of -40C to +85C. The 100-LQFP (14x14) package provides gull-wing leads for surface mounting and sufficient I/O for displays, keypads, and multiple communication buses. The flash-based program memory supports in-system programming via the Serial Wire Debug and JTAG-style debug interfaces standard to Cortex-M3 devices. Typical applications include industrial control panels, consumer appliances, metering, building automation, and portable battery-powered instruments where the wide 1.62V-3.6V supply range and 16-channel ADC reduce external component count. Design consideration: budget SRAM carefully - 8KB is adequate for bare-metal C code and lightweight RTOS kernels such as FreeRTOS, but restricts large buffers, so plan memory allocation early. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet, with pricing as of 2026-09-19.

Запрос цены Контакты
ATSAM3N1CB-CUR - Cortex-M3 48MHz 64KB MCU | Microchip
ATSAM3N1CB-CUR

ATSAM3N1CB-CUR - Cortex-M3 48MHz 64KB MCU | Microchip

The Microchip Technology ATSAM3N1CB-CUR is a 32-bit ARM Cortex-M3 microcontroller running at 48 MHz with 64 KB Flash and housed in a 100-ball TFBGA (9x9 mm) package supplied on tape and reel. Operating from 1.8V or 3.3V supplies across an industrial -40C to +85C temperature range, it integrates a 16-channel 10-bit ADC and a 10-bit DAC. A microcontroller unit (MCU) is a single-chip embedded computer combining a processor core, program memory, data memory, and peripherals on one die. Within the embedded systems hierarchy, the SAM3N family sits in Microchip (formerly Atmel) ARM-based flash MCU portfolio, positioned above 8-bit AVR parts and below the high-performance SAM E70 series, and belongs to the broader class of 32-bit RISC microcontrollers used in industrial and consumer control systems. Key features include the high-performance ARM Cortex-M3 RISC core at up to 48 MHz, 64 KB (64K x 8) of embedded Flash for code storage, and rich analog integration: the 16-channel, 10-bit ADC supports multi-sensor acquisition without external front ends, while the on-chip 10-bit DAC enables audio cues and control references. Peripheral set covers Brown-out Detect/Reset, DMA, Power-on Reset, PWM channels, and a Watchdog Timer for fault-safe operation. Technically, the Cortex-M3 core delivers deterministic interrupt handling via its nested vectored interrupt controller, and the DMA controller offloads data movement between peripherals and memory, freeing CPU cycles. The GREEN, halogen-conscious, MRL B qualified package targets industrial temperature environments, and the fine-pitch 0.8 mm ball TFBGA footprint yields a compact 9x9 mm solution for space-constrained boards requiring high I/O density. Typical applications include industrial sensor hubs leveraging the 16-channel ADC, building automation and HVAC control nodes using PWM outputs, and battery-powered portable instruments exploiting the low-power 1.8V operation mode. The part also suits consumer appliance control panels where DAC-driven feedback tones add user-interface value. When designing with the ATSAM3N1CB-CUR, budget the TFBGA layout carefully: the fine-pitch ball array requires via-in-pad or fan-out design rules, and multi-layer stackups are recommended to break out the 100-ball footprint. Decouple all VDD/VDDIO pairs per the SAM3N datasheet recommendations. This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet, with pricing referenced as of 2026-09-19.

Запрос цены Контакты
ATSAM3N2AA-AU - ARM Cortex-M3 48MHz 128KB MCU | Microchip
ATSAM3N2AA-AU

ATSAM3N2AA-AU - ARM Cortex-M3 48MHz 128KB MCU | Microchip

The Microchip Technology ATSAM3N2AA-AU is a 32-bit ARM Cortex-M3 flash microcontroller running at up to 48 MHz, with 128 KB (128K x 8) of embedded flash program memory and 16 KB of SRAM, housed in a 48-pin LQFP (7x7 mm) surface-mount package. It belongs to the low-power SAM3N series originally developed by Atmel, now part of Microchip Technology. A microcontroller unit (MCU) is an integrated circuit that combines a processor core, memory, and peripherals on a single chip, forming the heart of embedded systems. The SAM3N family sits within the broader hierarchy of ARM Cortex-M based flash MCUs, one level below application processors and above 8-bit MCUs, targeting cost-sensitive, low-power industrial and consumer applications. Key features include the ARM Cortex-M3 revision 2.0 core with the Thumb-2 instruction set, a 24-bit SysTick counter, and a Nested Vector Interrupt Controller (NVIC) for deterministic interrupt handling. The device offers 34 general-purpose I/O lines, an internal oscillator, and pin-to-pin compatibility across the SAM3N memory variants, which simplifies migration between 64 KB, 128 KB, and 256 KB flash options without PCB changes. Architecturally, the Cortex-M3 Harvard-style core delivers efficient 32-bit computation with low power consumption, operating from 1.8 V to 3.3 V supply rails. The embedded flash supports in-system programming, while peripherals typical of the SAM3N series include USART, SPI, and two-wire interfaces for serial communication. Typical applications include industrial control nodes, consumer appliances, metering systems, and general-purpose embedded products where 128 KB of flash and a 48 MHz core provide adequate headroom. Designers should verify the exact peripheral set and pin multiplexing against the manufacturer datasheet before committing the PCB layout, since the 48-pin variant exposes fewer peripheral instances than larger 64-pin or 100-pin SAM3N members. This page synthesizes distributor pricing, drop-in family alternatives, and practical design guidance not consolidated in the manufacturer datasheet.

Запрос цены Контакты
ATSAM3N2AA-MU - 48MHz Cortex-M3 MCU 128KB Flash | Microchip
ATSAM3N2AA-MU

ATSAM3N2AA-MU - 48MHz Cortex-M3 MCU 128KB Flash | Microchip

The Microchip Technology (Atmel) ATSAM3N2AA-MU is a 32-bit ARM Cortex-M3 Flash microcontroller operating at up to 48 MHz, with 128 KB (128K x 8) Flash memory, 16 KB (16K x 8) SRAM, and 34 general-purpose I/O lines, housed in a 48-pin QFN (7x7 mm) surface-mount package with exposed pad. A microcontroller (MCU) is a single integrated circuit that combines a processor core, program memory, data memory, and peripherals into one chip, forming the complete intelligence of an embedded system. Within the power-management hierarchy of embedded design, the SAM3N series sits in the cost-sensitive 32-bit MCU segment, built on the ARM Cortex-M3 RISC processor architecture and programmed with Thumb-2 instructions. Key features include the ARM Cortex-M3 revision 2.0 core running to 48 MHz, a 24-bit SysTick counter, a nested vector interrupt controller (NVIC), and an internal oscillator that removes the need for an external crystal in many designs. The peripheral set integrates 2x USARTs, 2x UARTs, 2x TWI (I2C-compatible) interfaces, 3x SPI ports, 1 PWM timer, and 6x general-purpose timers, plus an 8-channel 10-bit ADC for analog sensing. Technical depth: the SAM3N series is Atmel's entry point into Cortex-M3 technology, pin-to-pin compatible with the best-selling SAM7S and SAM3S series, and supports native Atmel QTouch capacitive touch (buttons, sliders, wheels). Advanced power management and low operating voltage capability (1.62V to 3.6V) reduce system power consumption. Typical applications include industrial control boards, consumer appliances, capacitive-touch user interfaces, and cost-sensitive, high-volume embedded products where SAM3S performance is needed at reduced BOM cost. Design consideration: choose the SAM3N over SAM3S when the reduced peripheral set of the N-series meets requirements, since it is pin-compatible and lowers cost; verify SRAM sizing for applications with large communication buffers. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

Запрос цены Контакты
ATSAM3N2BA-AU - 48MHz Cortex-M3 MCU 128KB Flash | Microchip
ATSAM3N2BA-AU

ATSAM3N2BA-AU - 48MHz Cortex-M3 MCU 128KB Flash | Microchip

The Microchip Technology (Atmel) ATSAM3N2BA-AU is a 32-bit ARM Cortex-M3 flash microcontroller operating at up to 48 MHz, with 128 KB (128K x 8) of Flash program memory, 16 KB of SRAM, and 47 general-purpose I/O lines, housed in a 64-pin LQFP (10x10 mm) surface-mount package. A microcontroller (MCU) is a single-chip computer that integrates a processor core, memory, and peripherals such as timers, communication interfaces, and analog-to-digital converters on one die. Within the MCU hierarchy, the ATSAM3N2BA belongs to the Atmel SAM3N family, a subset of ARM-based 32-bit flash microcontrollers, which in turn sits under the broader category of embedded processors and power-management systems on chip. 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). The internal oscillator type eliminates the need for an external crystal in many designs, reducing BOM cost. The SAM3N series is explicitly pin-to-pin compatible with the SAM3S series, making it an ideal migration path for cost-sensitive, high-volume applications requiring reduced BOM cost while retaining footprint compatibility. The 48 MHz Cortex-M3 pipeline provides deterministic interrupt handling via the NVIC, and Thumb-2 code density keeps Flash requirements modest, which is why 128 KB is sufficient for many communication and control stacks. The device operates from 1.8V/3.3V supply domains per distributor listings, covering both battery-friendly and standard 3.3V industrial logic. Typical applications include industrial automation nodes, consumer electronics, medical device control boards, and cost-sensitive high-volume products where the SAM3N datasheet cites its aggressive price point. Design consideration: leverage the SAM3S pin compatibility to reserve a layout that can be upgraded to higher-memory SAM3S or SAM3N4 variants without PCB respin. This page synthesizes verified distributor specifications, same-family drop-in alternatives, and practical design notes not consolidated in a single manufacturer datasheet.

Запрос цены Контакты
ATSAM3N2BA-MU - 48MHz Cortex-M3 MCU, 128KB Flash | Microchip
ATSAM3N2BA-MU

ATSAM3N2BA-MU - 48MHz Cortex-M3 MCU, 128KB Flash | Microchip

The Microchip Technology ATSAM3N2BA-MU is a 32-bit ARM Cortex-M3 flash microcontroller running at up to 48 MHz with 128KB of flash memory and 16KB of SRAM, housed in a 64-pin QFN (9x9 mm) package with exposed pad. It operates from a 1.62V to 3.6V supply and provides 47 general-purpose I/O lines. 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 systems hierarchy: embedded system -> microcontroller -> ARM Cortex-M core family. The ATSAM3N2BA-MU belongs to Microchip's (formerly Atmel's) SAM3N series, which is based on the high-performance 32-bit ARM Cortex-M3 RISC processor and is pin-to-pin compatible with the SAM3S series, offering an ideal migration path for applications requiring reduced BOM cost. 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). The peripheral set comprises 2x USARTs, 2x UARTs, 2x TWI (I2C) interfaces, 3x SPI interfaces, 1 PWM timer, 6x general-purpose 16-bit timers, an RTC, and a 10-bit ADC. An internal oscillator removes the need for an external crystal in many designs, cutting component cost. Technically, the SAM3N series was engineered for cost-sensitive, high-volume applications; its aggressive price point and high integration push its scope of use far into consumer and industrial volume products. The Thumb-2 instruction set delivers high code density, reducing flash requirements per function. Typical applications include industrial control panels, consumer appliances, metering equipment, and cost-sensitive IoT sensor nodes where 128KB flash and rich serial connectivity are sufficient. When designing with this device, note the 1.62V to 3.6V supply range permits direct battery operation, and the internal oscillator eliminates the external crystal for non-timing-critical UART applications. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet.

Запрос цены Контакты
ATSAM3N2CA-AU - 48MHz ARM Cortex-M3 MCU 128KB Flash | Microchip
ATSAM3N2CA-AU

ATSAM3N2CA-AU - 48MHz ARM Cortex-M3 MCU 128KB Flash | Microchip

The Microchip Technology ATSAM3N2CA-AU is a 32-bit ARM Cortex-M3 flash microcontroller running at up to 48 MHz with 128 KB (128K x 8) of Flash program memory, 16 KB of SRAM, and 79 general-purpose I/O lines, housed in a 100-pin LQFP (14x14 mm) package. 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-system hierarchy: semiconductor -> integrated circuit -> microcontroller -> embedded system. The ATSAM3N2CA-AU belongs to the Atmel/Microchip SAM3N series, a family of cost-optimized ARM Cortex-M3 MCUs, and is pin-to-pin compatible across memory-density variants within the family. Key features include the ARM Cortex-M3 revision 2.0 core with Thumb-2 instruction set, a 24-bit SysTick timer, and a Nested Vector Interrupt Controller (NVIC) for deterministic interrupt handling. The device operates from 1.8V, 2.5V, or 3.3V supplies and uses an internal oscillator, reducing external bill-of-materials cost. The 100-pin LQFP exposes 79 I/O lines, offering strong pin-count headroom for display, keypad, and communication interfaces in high-volume designs. From a technical standpoint, the SAM3N series was engineered to converge ARM Cortex-M3 performance with an aggressive price point, pushing its scope of use far into cost-sensitive, high-volume applications. The SAM3N0/1/2/4 family members differ only in Flash/SRAM density and feature list, so firmware written for one density variant ports directly to another, and the pin-to-pin compatibility lets PCB designers scale memory without re-spinning the board. Typical applications include consumer appliance control panels, industrial sensor nodes, building automation, and POS/printer peripherals - anywhere a 48 MHz, 32-bit core with 128 KB Flash and abundant I/O is required at a competitive cost. Its internal oscillator and low-power operating points suit battery-backed and always-on designs. Design consideration: verify supply-voltage selection early - the 1.8V/2.5V/3.3V operating range must match the rest of the system, and the internal oscillator, while cost-saving, should be validated against the required timing accuracy for UART or CAN interfaces. This page synthesizes distributor pricing, pin-compatible alternatives, and practical design guidance not found in the manufacturer datasheet, giving engineers a single citable reference for the ATSAM3N2CA-AU.

Запрос цены Контакты
ATSAM3N2CA-CU - 48MHz Cortex-M3 128KB MCU | Microchip
ATSAM3N2CA-CU

ATSAM3N2CA-CU - 48MHz Cortex-M3 128KB MCU | Microchip

The Microchip Technology ATSAM3N2CA-CU is a 32-bit ARM Cortex-M3 microcontroller operating at 48 MHz, with 128 KB of Flash program memory, 16 KB of SRAM, and 79 I/O pins in a 100-TFBGA package. The verified distributor listings identify a 100-TFBGA (9x9) package, while one distributor record describes a 100-TQFP; package-specific procurement and PCB design must therefore be confirmed against the manufacturer ordering information. The device belongs to the SAM3N family and combines a Cortex-M3 processor, embedded Flash, SRAM, interrupt control, and extensive peripheral integration. A microcontroller is a programmable semiconductor that executes firmware, coordinates digital interfaces, reads sensors, controls actuators, and manages system timing. The ATSAM3N2CA-CU hierarchy is microcontroller -> embedded Flash MCU -> ARM Cortex-M3 MCU -> SAM3N family. Its 48 MHz operating speed provides a practical balance between processing capacity and system complexity for embedded control, while 128 KB of Flash stores application firmware and 16 KB of SRAM supports working data and stack operations. The verified data identifies an ARM Cortex-M3 revision 2.0 core, Thumb-2 instruction support, a 24-bit SysTick counter, and a Nested Vector Interrupt Controller. These features support efficient event handling, deterministic interrupt-driven designs, and compact embedded software. The listed operating supply range from another verified distributor result is 1.62 V to 3.6 V, although the manufacturer datasheet should be used to verify all electrical limits, pin functions, power sequencing, and peripheral characteristics before design release. Typical uses include industrial control, sensor acquisition, communications equipment, data acquisition, embedded automation, and compact consumer or instrumentation products. The 79 available I/O positions can support digital control lines, serial interfaces, analog functions, timers, and external peripherals where the selected package pinout permits them. Compared with a discrete processor implementation, an integrated MCU consolidates memory, interrupt handling, and peripherals into one component, reducing board complexity. The primary design consideration is exact package verification. Because the supplied web results contain conflicting 100-TFBGA and 100-TQFP descriptions, engineers should confirm the ordered package suffix, land pattern, pin assignments, exposed-pad requirements, and PCB footprint directly with Microchip documentation. This page consolidates distributor specifications, package ambiguity, sourcing information, and practical engineering cautions rather than presenting unverified assumptions as datasheet facts.

Запрос цены Контакты
ATSAM3N4AA-AU - 48MHz Cortex-M3 256KB MCU | Microchip
ATSAM3N4AA-AU

ATSAM3N4AA-AU - 48MHz Cortex-M3 256KB MCU | Microchip

The Microchip ATSAM3N4AA-AU is a 32-bit ARM Cortex-M3 microcontroller operating up to 48 MHz, with 256 KB of Flash memory, 24 KB of SRAM, and 34 I/O pins in a 48-LQFP 7 x 7 mm package. A microcontroller is a programmable semiconductor that integrates a processor core, memory, peripherals, and interface circuitry on one device. The ATSAM3N4AA-AU belongs to the SAM3N family and uses the ARM Cortex-M3 processor hierarchy, commonly described as an embedded microcontroller or RISC processor. Its architecture supports real-time control, communications, and general-purpose embedded processing. The verified specifications identify a 48 MHz operating speed, 256K x 8 Flash program memory, 24K x 8 RAM, 34 I/O pins, and a 48-LQFP package. The Cortex-M3 revision 2.0 core and Thumb-2 instruction set are also identified in the supplied technical data. A 24-bit SysTick Counter and Nested Vector Interrupt Controller support deterministic timing and interrupt handling in firmware-driven systems. The part is positioned for embedded control applications that require more processing capability than an 8-bit microcontroller while retaining a conventional 48-LQFP footprint. Its 32-bit architecture, 48 MHz clock, and integrated memory make it suitable for industrial control, data acquisition, communication equipment, and connected peripheral designs. Because the supplied data does not include peripheral inventories, operating-temperature limits, voltage tolerances beyond the listed supply range, detailed electrical timing, or a complete pin assignment table, those values must be verified against the manufacturer datasheet before schematic release, firmware configuration, or production qualification. This page synthesizes the supplied distributor specifications, available sourcing links, package information, and engineering-oriented guidance. It is intended to support component identification and initial design evaluation rather than replace the complete Microchip datasheet, errata documents, or application notes.

Запрос цены Контакты
ATSAM3N4AA-MU - Cortex-M3 48MHz 256KB Flash MCU | Microchip
ATSAM3N4AA-MU

ATSAM3N4AA-MU - Cortex-M3 48MHz 256KB Flash MCU | Microchip

The Microchip Technology ATSAM3N4AA-MU is a 32-bit ARM Cortex-M3 flash microcontroller running at up to 48 MHz, with 256 KB of embedded Flash and 24 KB of SRAM, housed in a 48-pin QFN (7x7 mm) surface-mount package with 34 general-purpose I/O lines. A microcontroller (MCU) is a single-chip computer that integrates a processor core, memory, and peripherals such as UARTs, timers, and ADCs. Within the embedded hierarchy, the SAM3N family belongs to the ARM Cortex-M3 class of 32-bit microcontrollers, positioned above 8-bit MCUs like the PIC16 series and alongside other Cortex-M parts such as the ATSAM4 and ATSAML21 families. The SAM3N is the cost-optimized sibling of the SAM3S, targeting cost-sensitive, high-volume embedded applications. Key differentiating features include the Cortex-M3 revision 2.0 core executing Thumb-2 instructions, a 24-bit SysTick timer, and a Nested Vector Interrupt Controller (NVIC) for deterministic interrupt handling. The 256 KB Flash uses a 128-bit-wide access bus with a memory accelerator to sustain full-speed 48 MHz execution, while the 24 KB SRAM supports modest buffering stacks and communication buffers. Supply operation spans 1.62 V to 3.6 V, enabling single 3.3 V-rail designs. Technically, the SAM3N series achieves its reduced BOM cost by streamlining the SAM3S peripheral set while retaining the same pinout. It is pin-to-pin compatible with SAM3S (48-, 64-, and 100-pin versions) and with legacy SAM7S 48- and 64-pin products, giving designers a documented migration path in both directions. Internal RC oscillators allow clocking without an external crystal for non-timing-critical applications. Typical applications include industrial sensors and actuators, building automation nodes, consumer appliance control, and battery-powered metering products where cost and low pin count matter more than maximum connectivity. When designing, budget the 34 I/O carefully - the 48-QFN package lacks the port expansion of the 64- and 100-pin siblings, so peripheral multiplexing decisions should be made before layout. This page synthesizes distributor pricing, drop-in alternatives across the SAM3N/SAM3S families, and practical design notes not found in the manufacturer datasheet.

Запрос цены Контакты
ATSAM3N4BA-AU - 48MHz Cortex-M3, 256KB Flash MCU | Microchip
ATSAM3N4BA-AU

ATSAM3N4BA-AU - 48MHz Cortex-M3, 256KB Flash MCU | Microchip

The Microchip ATSAM3N4BA-AU (originally Atmel) is a 32-bit ARM Cortex-M3 flash microcontroller running at up to 48 MHz with 256 KB of Flash program memory, 24 KB of SRAM, and 47 general-purpose I/O lines, housed in a 64-pin LQFP (10 x 10 mm) package. A microcontroller unit (MCU) is a single-chip computer that integrates a processor core, non-volatile program memory, RAM, and peripheral functions such as timers, serial interfaces, and analog-to-digital converters. Within the embedded-systems hierarchy, the ATSAM3N4BA sits in the general-purpose 32-bit MCU class, one step above 8-bit controllers like the PIC16 family and one step below high-performance application processors, making it well suited for cost-sensitive control tasks that still require 32-bit arithmetic and C-friendly execution. Key features include the ARM Cortex-M3 revision 2.0 core executing Thumb-2 instructions, a 24-bit SysTick timer, a nested vector interrupt controller (NVIC), and an internal oscillator that removes the need for an external crystal in many designs. The device operates from a single 1.62 V to 3.6 V supply (nominally 1.8 V or 3.3 V) and is characterized for industrial temperature ranges. The B-suffix SAM3N variant adds peripheral connectivity such as HSMCI for SD/MMC media storage alongside USART, SPI, TWI, and PWM channels. Architecturally, the SAM3N series uses the Cortex-M3 three-stage pipeline with Harvard bus structure, delivering deterministic interrupt latency and efficient code density through Thumb-2. Per the SAM3N datasheet summary, the SAM3N4/2/1/0/00 series is pin-to-pin compatible with SAM3S products, which simplifies migration between memory and peripheral density points. Typical applications include industrial sensors and control nodes, consumer appliances, metering front ends, and battery-powered portable equipment where 48 MHz performance, 256 KB flash, and low power matter more than USB or Ethernet connectivity. When designing with this device, verify that your codebase fits within 256 KB flash and 24 KB SRAM, and consider the SAM3S series if USB device capability is needed, since footprints are shared. This page synthesizes distributor availability data, drop-in alternatives within the SAM3N/SAM3S pin-compatible family, and practical design guidance not found in the manufacturer datasheet.

Запрос цены Контакты
ATSAM3N4BA-MU - 48MHz Cortex-M3 MCU, 256KB Flash | Microchip
ATSAM3N4BA-MU

ATSAM3N4BA-MU - 48MHz Cortex-M3 MCU, 256KB Flash | Microchip

The Microchip Technology ATSAM3N4BA-MU is a 32-bit ARM Cortex-M3 flash microcontroller running at up to 48 MHz with 256KB embedded Flash, 24KB SRAM, and 47 general-purpose I/O lines, housed in a 64-pin QFN (9x9 mm) package with exposed pad. A microcontroller unit (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 MCUs, microprocessors (MPUs), and systems-on-chip (SoCs). Within that hierarchy, the SAM3N series belongs to Microchip (formerly Atmel) ARM-based Flash MCU portfolio, positioned as the cost-reduced migration path from the SAM3S series for high-volume, cost-sensitive applications. Key features include the ARM Cortex-M3 revision 2.0 core with Thumb-2 instruction set, a 24-bit SysTick timer, and a Nested Vector Interrupt Controller (NVIC). The embedded Flash uses a 128-bit wide access bus with a memory accelerator, sustaining near-zero-wait-state execution at the full 48 MHz clock rate. An internal oscillator eliminates the need for an external crystal in clock-tolerant designs, reducing bill-of-materials cost. Supply operation spans 1.8V to 3.3V, and the device is qualified for industrial temperatures from -40C to +85C. Architecturally, the SAM3N is pin-to-pin compatible with the SAM3S series (48-, 64-, and 100-pin versions) and with legacy SAM7S products (48- and 64-pin versions), which means designers can migrate between the two families - trading peripheral count for lower BOM cost - without PCB rework. The MU suffix denotes the lead-free, RoHS-compliant QFN package in tray packaging. Typical applications include industrial automation nodes, consumer electronics, and medical device peripherals - domains the manufacturer explicitly targets with this part. Its 47 I/O lines and peripheral set (USART, SPI, TWI, ADC) suit sensor aggregation, motor control interfaces, and human-machine interface boards. A key design consideration: since the device runs from a single 1.8V to 3.3V rail, decouple each supply pin with 100 nF ceramics placed close to the exposed pad, and connect the QFN backside pad to a ground pour for thermal and signal-integrity performance. This page synthesizes distributor pricing context, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

Запрос цены Контакты
ATSAM3N4CA-AU - 48MHz Cortex-M3 256KB MCU | Microchip
ATSAM3N4CA-AU

ATSAM3N4CA-AU - 48MHz Cortex-M3 256KB MCU | Microchip

The Microchip Technology ATSAM3N4CA-AU is a 32-bit ARM Cortex-M3 microcontroller operating up to 48 MHz, with 256 KB of Flash memory, 24 KB of SRAM, and 79 I/O pins in a 100-LQFP 14 x 14 mm package. It combines an embedded microcontroller core with analog, timer, communications, and industrial-control peripherals for embedded systems. A microcontroller is a compact computer system built around a CPU core, nonvolatile program memory, volatile working memory, and integrated peripherals. The ARM Cortex-M3 core provides the instruction execution and interrupt-control foundation, while Flash stores firmware and SRAM supports runtime data. In the product hierarchy, ATSAM3N4CA-AU is a microcontroller, an embedded processor, and a semiconductor used for control-oriented electronic systems. The verified feature data identifies an ARM Cortex-M3 revision 2.0 core running to 48 MHz, Thumb-2 instructions, a 24-bit SysTick counter, and a Nested Vector Interrupt Controller. The device also includes timer and counter resources, a 10-bit ADC described in the source material as up to 16 channels at 384 kSPS, and a second 10-bit ADC described as 1 channel at 500 kSPS. These resources support mixed control, measurement, timing, and signal-processing workloads. The SAM3N series is described in the source material as pin-to-pin compatible with the SAM3S series, but a replacement still requires verification of memory size, peripheral availability, electrical limits, and software support. The ATSAM3N4CA-AU combines a relatively large 100-pin package with 79 I/O, making it appropriate for designs needing more external connections than a small-package MCU provides. Typical uses include industrial control, data acquisition, communications equipment, timer-based control, and embedded control boards. The 48 MHz Cortex-M3 performance and 256 KB Flash capacity are useful for firmware that requires more memory and processing capability than a basic 8-bit controller, while the integrated ADC channels reduce the need for external analog converters. When designing around this MCU, verify clock, power, analog-reference, and peripheral connections against the manufacturer datasheet before layout. Place decoupling capacitors close to the supply pins, route sensitive analog signals away from switching nodes, and confirm the exact 100-pin pinout. This product record distinguishes verified core, memory, package, and ADC facts from parameters that still require application-specific confirmation. This page consolidates the available manufacturer and distributor references, evaluates possible drop-in alternatives, and highlights practical embedded-design checks beyond a basic distributor specification table.

Запрос цены Контакты
ATSAM3N4CA-CU - 48MHz ARM Cortex-M3 MCU, 256KB Flash | Atmel
ATSAM3N4CA-CU

ATSAM3N4CA-CU - 48MHz ARM Cortex-M3 MCU, 256KB Flash | Atmel

The Atmel (Microchip Technology) ATSAM3N4CA-CU is a 32-bit ARM Cortex-M3 flash microcontroller from the SAM3N series, running at up to 48 MHz with 256 KB of Flash memory and 24 KB of SRAM in a 100-ball 100-TFBGA (9x9 mm) package. A microcontroller (MCU) is a single integrated circuit that combines a processor core, program memory, data memory, and peripherals on one die, forming the heart of embedded systems. The SAM3N belongs to the ARM Cortex-M3 family of 32-bit MCUs, which sits within the broader hierarchy of ARM-based RISC processors used across industrial, consumer, and connectivity electronics. Key features include the ARM Cortex-M3 revision 2.0 core with Thumb-2 instruction set, a 24-bit SysTick timer, and a Nested Vector Interrupt Controller (NVIC). The device is pin-to-pin compatible with legacy SAM7S products (48- and 64-pin versions) and SAM3S devices (48-, 64- and 100-pin versions), enabling cost-down migrations and footprint reuse across existing Atmel board designs. An internal oscillator removes the need for an external crystal in many designs, and the wide 1.62 V to 3.6 V supply range supports both 1.8 V and 3.3 V systems. The Cortex-M3 core uses a Harvard architecture with a three-stage pipeline, delivering deterministic interrupt latency suitable for real-time control. Flash execution at 48 MHz combined with the efficient Thumb-2 instruction density keeps code compact in the 256 KB program memory, while 24 KB of SRAM supports moderate buffers, stacks, and communication FIFOs. Typical applications include industrial control panels, consumer appliance interfaces, and low-cost embedded systems migrating from the older SAM7S family. The 79 I/O lines provide flexibility for keypads, displays, and parallel peripheral interfaces. Design consideration: select the CU package suffix consistently with your PCB footprint, since the SAM3N family spans multiple 100-pin packages; verify the exact ball map in the manufacturer datasheet before layout release. This page synthesizes distributor listings, datasheet highlights, drop-in alternatives, and design notes not found on the manufacturer product page. Pricing and stock data as of 2026-09-19.

Запрос цены Контакты
ATSAM3S1AA-AU - 64MHz Cortex-M3 MCU 64KB Flash | Microchip
ATSAM3S1AA-AU

ATSAM3S1AA-AU - 64MHz Cortex-M3 MCU 64KB Flash | Microchip

The Microchip (Atmel) ATSAM3S1AA-AU is a 32-bit ARM Cortex-M3 flash microcontroller running at up to 64 MHz with 64 KB of embedded flash memory and 16 KB of SRAM, housed in a 48-pin LQFP (7x7 mm) surface-mount package with 47 general-purpose I/O lines. A microcontroller (MCU) is a single-chip embedded computer that integrates a processor core, non-volatile program memory, RAM, and peripherals such as timers, serial interfaces, and analog converters onto one die. Within the embedded hierarchy, the ATSAM3S1AA-AU sits in the general-purpose 32-bit MCU class, part of the SAM3S family of ARM-based flash MCUs that succeeded Atmel's AT91 legacy line and is now sold under Microchip Technology. Key differentiating specifications include the 64 MHz Cortex-M3 core with Thumb-2 instruction efficiency, 1.62V to 3.6V single-supply operation with an internal 1.2V regulator (core supply 1.08V to 1.32V), and a rich peripheral set typical of the SAM3S family, including USB device support, multiple USART/SPI/TWI serial channels, an ADC, PWM channels, and a real-time clock calendar for low-power designs. The device is pin-to-pin compatible with the SAM3N series, giving designers a migration path between cost- and feature-optimized variants. Architecturally, the device combines the three-stage ARM Cortex-M3 pipeline with Atmel's flash memory technology and a multi-layer bus matrix, allowing peripheral DMA access without loading the CPU. Power management controllers (PMC) permit per-peripheral clock gating, supporting the low active and sleep current levels the SAM3S family is known for. Typical applications include industrial control nodes, consumer and portable battery-powered devices, printer and POS peripherals, and sensor-hub products that need USB connectivity in a compact 48-pin footprint. When designing with this device, budget flash utilization carefully: 64 KB is adequate for bare-metal and FreeRTOS-class firmware, but code size growth may favor the pin-compatible ATSAM3S1BA-AU (128 KB) upgrade. This page synthesizes verified distributor data, drop-in same-package alternatives, and practical design notes not found on the manufacturer's own product pages.

Запрос цены Контакты
ATSAM3S1AA-MU - Cortex-M3 64MHz MCU 64KB Flash | Microchip
ATSAM3S1AA-MU

ATSAM3S1AA-MU - Cortex-M3 64MHz MCU 64KB Flash | Microchip

The Microchip (Atmel) ATSAM3S1AA-MU is a 32-bit ARM Cortex-M3 flash microcontroller running at up to 64 MHz, with 64 KB of embedded Flash and 16 KB of SRAM, housed in a 48-pin QFN (7x7 mm) surface-mount package with 47 general-purpose I/O lines. A microcontroller (MCU) is a single-chip computer integrating a processor core, non-volatile program memory, SRAM data memory, and peripherals such as UARTs, timers, and USB. The ATSAM3S1AA-MU belongs to the 32-bit microcontroller class, sitting within the ARM Cortex-M family hierarchy under the SAM3S product series, and is designed as an upgrade path from Atmel's legacy AT91SAM7S family. Key features include the ARM Cortex-M3 revision 2.0 core with a Thumb-2 instruction set and Memory Protection Unit (MPU), a Full Speed USB Device port with embedded transceiver, a High Speed Multimedia Card Interface (HSMCI) supporting SDIO/SD/MMC, and a 128-bit wide Flash access with memory accelerator for deterministic 64 MHz execution. The device operates from a single supply of 1.62V to 3.6V with an internal 1.08V to 1.32V core regulator, and the SAM3S series is pin-to-pin compatible with AT91SAM7S legacy products in 48- and 64-pin versions, enabling low-risk migration of existing designs. Architecturally, the Flash is accessed through a 128-bit wide bus feeding an accelerator, allowing zero-wait-state execution from fast SRAM paths even at the 64 MHz maximum core frequency. The peripheral set also includes an External Bus Interface (EBI) for memory expansion, and the industrial temperature grade supports rugged deployments. Typical applications include industrial control panels, consumer devices with USB connectivity, data loggers using SD/MMC storage, and cost-sensitive embedded systems migrating from AT91SAM7S silicon. Design consideration: budget the 64 KB Flash carefully; if firmware grows, ATSAM3S2AA-MU (128 KB) and ATSAM3S4AA-MU (256 KB) are drop-in same-package upgrades in the same QFN-48 footprint. This page synthesizes verified datasheet data, drop-in alternatives, and practical design notes not consolidated in the manufacturer datasheet.

Запрос цены Контакты