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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.

USD $0.18 재고 있음
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.

USD $2.70 재고 있음
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.

USD $2.98 재고 있음
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.

USD $2.68 재고 있음
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.

USD $7.35 재고 있음
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.

USD $3.38 재고 있음
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.

USD $3.25 재고 있음
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.

USD $5.60 재고 있음
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.

USD $9.50 재고 있음
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.

USD $3.87 재고 있음
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.

USD $4.10 재고 있음
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.

견적 요청 재고 있음
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.

USD $3.48 재고 있음
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.

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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.

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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.

USD $2.68 재고 있음
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.

USD $3.34 재고 있음
ATSAM3S1AB-AUR - ARM Cortex-M3 64MHz MCU 64KB Flash | Microchip
ATSAM3S1AB-AUR

ATSAM3S1AB-AUR - ARM Cortex-M3 64MHz MCU 64KB Flash | Microchip

The Microchip Technology ATSAM3S1AB-AUR is a 32-bit ARM Cortex-M3 microcontroller operating at up to 64 MHz with 64 KB of embedded Flash and 16 KB of SRAM, housed in a 48-pin LQFP (7x7 mm) surface-mount package. It runs from a 1.62 V to 3.6 V supply and integrates a rich peripheral set including I2C, SPI, USART, UART, SSC and I2S serial interfaces, an 8-channel 12-bit ADC, two 12-bit DAC channels, and up to 22 DMA channels for peripheral-independent data transfers. A 32-bit microcontroller (MCU) is a single-chip computer that combines a processor core, memory, and peripherals on one die, forming the lowest tier of the embedded processing hierarchy: MCU -> embedded processor -> microprocessor -> SoC. Within Microchip's portfolio, the SAM3S family belongs to the ARM Cortex-M class of MCUs, which dominate cost-sensitive embedded designs due to their balance of performance, power efficiency, and toolchain support. Key differentiating features include the Cortex-M3 core with nested vectored interrupt controller for deterministic interrupt latency, the large 22-channel DMA controller that offloads data movement from the CPU, and the combination of dual 12-bit DACs with an 8-channel 12-bit ADC, enabling full analog signal-chain processing without external converters. Flash-based program memory allows in-field firmware updates. Architecturally, the device uses CMOS process technology with an ARMv7-M instruction set, Thumb-2 mixed 16/32-bit code density, and a bus matrix permitting parallel access paths between masters (CPU, DMA) and slaves (memory, peripherals). The parallel data capture mode on the PIOs allows collecting data from non-standard sources such as low-cost image sensors, with DMA transferring data to memory and offloading the CPU. Typical applications include industrial control and automation nodes, consumer devices with touch or analog sensing, battery-powered portable instruments, and sensor data loggers that benefit from the DMA-driven low CPU load and mixed ADC/DAC capability. A key design consideration is supply domain partitioning: the 1.62 V to 3.6 V operating range supports direct lithium-battery operation, but Flash wait states increase at the full 64 MHz clock at lower supply voltages, so performance and power must be traded off during clock planning. This page synthesizes verified distributor pricing, pin-compatible drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing a single citation-ready engineering reference for the ATSAM3S1AB-AUR.

USD $2.75 재고 있음
ATSAM3S1AB-MUR - 64MHz Cortex-M3 64KB Flash MCU | Microchip
ATSAM3S1AB-MUR

ATSAM3S1AB-MUR - 64MHz Cortex-M3 64KB Flash MCU | Microchip

The Microchip Technology ATSAM3S1AB-MUR is a 32-bit ARM Cortex-M3 flash microcontroller running at up to 64 MHz, with 64 KB (64K x 8) of Flash memory and 16 KB of SRAM, housed in a 48-pin QFN (7x7 mm) package with exposed pad. A microcontroller (MCU) is an integrated circuit that combines a processor core, program memory, data memory, and peripherals such as timers, serial interfaces, and analog-to-digital converters on a single chip. Within the embedded-systems hierarchy, the SAM3S family sits in the ARM Cortex-M3 class of 32-bit microcontrollers, positioned above 8-bit MCUs like the PIC16 line and optimized for cost-sensitive, medium-performance control and connectivity tasks. Key features include the high-performance Cortex-M3 core with nested vectored interrupt controller, single-cycle hardware multiply and divide, operating from a supply range of 1.62 V to 3.6 V. The SAM3S1A series integrates peripheral DMA on the PIOs, allowing parallel data capture from devices not compliant with standard memory-read protocols, such as low-cost image sensors, with DMA offloading the CPU. The device is available in 48-pin QFP and QFN packages and is pin-to-pin compatible with the SAM3N1A family, providing a migration path. Technically, the SAM3S1AB operates in industrial temperature ranges, and its 48-VFQFN exposed-pad package provides thermal and grounding advantages: the exposed pad soldered to the PCB ground plane reduces junction-to-ambient thermal resistance and improves signal integrity and EMI performance versus leaded packages. Typical applications include consumer and industrial human-machine interfaces, sensor data acquisition with parallel capture and DMA, low-power portable devices, and embedded control in metering and building automation. Design consideration: keep the exposed thermal pad connected to a solid ground pour with multiple vias, as it is both the primary ground return and thermal path. This page synthesizes distributor pricing, verified drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

USD $2.61 재고 있음
ATSAM3S1BA-MU - 64MHz Cortex-M3 MCU, 64KB Flash | Microchip
ATSAM3S1BA-MU

ATSAM3S1BA-MU - 64MHz Cortex-M3 MCU, 64KB Flash | Microchip

The Atmel (Microchip Technology) ATSAM3S1BA-MU is a 32-bit ARM Cortex-M3 flash microcontroller operating at up to 64 MHz, with 64 KB of flash program memory and 16 KB of SRAM, housed in a 64-pin QFN (9x9 mm) surface-mount package. It belongs to the SAM3S series and is supplied in the MRL (Moisture Reflow Level rated) industrial temperature variant. A microcontroller unit (MCU) is a single-chip computer that integrates a processor core, memory, and peripherals into one package. Within the power-management hierarchy of embedded systems, the MCU sits at the top: it orchestrates sensors, interfaces, and actuators. The SAM3S family is a member of Atmel's AT91SAM ARM-based flash MCU lineup and is pin-to-pin compatible with the earlier SAM7S series, enabling straightforward migration of legacy ARM7 designs. Key features of the ATSAM3S1BA-MU include the high-performance ARM Cortex-M3 RISC core at 64 MHz, 64 KB (64K x 8) of on-chip flash, rich connectivity peripherals including I2C (TWI), SPI, USART/UART, SSC (synchronous serial controller), USB 2.0 full-speed device port, and MMC/SD card controller. The supply voltage range of 1.62V to 3.6V supports battery-powered designs directly from single-cell lithium or dual-cell alkaline rails. Technically, the Cortex-M3 core provides a 3-stage pipeline, Harvard architecture, and a nested vectored interrupt controller (NVIC) with low, deterministic interrupt latency. The device integrates a power management controller (PMC) with multiple clock sources and sleep/back-up modes, supporting low-power applications. Flash and SRAM are on a fast bus matrix, allowing simultaneous peripheral and CPU access. Typical applications include industrial control and automation nodes, consumer appliances with USB or SD-card interfaces, battery-powered metering, and touch-sensing human interface devices leveraging SAM3S peripheral support. When designing, remember the flash memory of 64 KB is the smallest in the SAM3S family, so verify code size headroom or plan the pin-compatible upgrade path to 128 KB or 256 KB family members before committing the PCB layout. This page synthesizes distributor pricing, drop-in alternatives, pin-compatibility guidance, and practical design notes not found in the manufacturer datasheet alone.

USD $1.53 재고 있음
ATSAM3S1BA-MUR - 64MHz Cortex-M3 MCU, 64KB Flash | Microchip
ATSAM3S1BA-MUR

ATSAM3S1BA-MUR - 64MHz Cortex-M3 MCU, 64KB Flash | Microchip

The Microchip Technology ATSAM3S1BA-MUR is a 32-bit ARM Cortex-M3 microcontroller running at 64 MHz, with 64KB of Flash program memory, 16KB of SRAM, and operation from a 1.62V to 3.6V supply, housed in a 64-pin VQFN (9x9 mm) package with exposed pad. A microcontroller unit (MCU) is a single integrated circuit that combines a processor core, memory, and peripherals into one chip, forming the lowest programmable layer of an embedded system hierarchy: MCU -> embedded processor -> semiconductor device. The SAM3S family belongs to Microchip (formerly Atmel) ARM-based flash MCU portfolio and sits in the mainstream 32-bit class between small Cortex-M0 parts and higher-performance Cortex-M4 devices. Key features of the ATSAM3S1BA-MUR include the ARM Cortex-M3 core with 64MHz maximum clock, 64KB (64K x 8) of in-system-programmable Flash, 16KB of SRAM, and an integrated analog front end: a 10-bit ADC with up to 10 channels and two 12-bit DACs (per the ATSAM3S1BA-AUR variant data for the same die). Peripheral set includes DMA, I2S, PWM, brown-out detect/reset, power-on reset, and watchdog timer. Technically, the device operates over an industrial temperature range of -40C to +85C and a supply range of 1.8V/3.3V nominal (1.62V to 3.6V). The parallel data capture mode on the PIOs collects data from external devices not compliant with standard memory read protocols, such as low-cost image sensors, with DMA offloading transfers from the CPU. The 64-QFN exposed-pad package improves thermal and ground performance for surface-mount assembly. Typical applications include industrial automation, consumer electronics, medical devices, IoT sensor nodes, and motor control - domains cited by distributors for this exact part. A key design consideration is supply-chain status: multiple distributors list this part as discontinued, so new designs should evaluate pin-compatible SAM3S family upgrades or stock buffer quantities before layout freeze. This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet, with data verified as of 2026-09-19.

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ATSAM3S1BB-AUR - 64MHz Cortex-M3 MCU 64KB Flash | Microchip
ATSAM3S1BB-AUR

ATSAM3S1BB-AUR - 64MHz Cortex-M3 MCU 64KB Flash | Microchip

The Microchip Technology ATSAM3S1BB-AUR is a 32-bit ARM Cortex-M3 SAM3S series microcontroller operating at up to 64 MHz, with 64KB of Flash memory and 16KB of SRAM, 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 on one die. Within the power-management hierarchy of embedded systems, MCUs sit at the device level: processor core at the center, surrounded by clocking, analog, and I/O subsystems. The SAM3S family belongs to Microchip's (formerly Atmel) ARM-based 32-bit MCU portfolio, positioned above the 8-bit AVR line and below the high-performance SAM4/SAM7 families. Key features of the ATSAM3S1BB include the ARM Cortex-M3 RISC core with nested vectored interrupt controller, 64KB single-cycle Flash, 16KB SRAM, an integrated touch-screen controller peripheral family heritage, and industrial temperature operation. The tape-and-reel (AUR) packaging suffix supports automated high-volume assembly. Technically, the device leverages the Cortex-M3 Thumb-2 instruction set for high code density, and Microchip's SAM3S peripheral set includes multiple USARTs, an MCI/SDRAM-style bus for media cards, USB device support on family variants, and fast GPIO toggling. Flash access acceleration keeps the 64MHz core fed without wait-state penalties in most conditions. Typical applications include industrial control panels, consumer appliance user interfaces, touch sensing products, and embedded data-logging equipment where a 32-bit core at modest power is appropriate. A key design consideration: confirm Flash and SRAM sizing against application headroom, since 64KB Flash is the entry point of the SAM3S family - pin-compatible family members with larger memory allow firmware growth without PCB redesign. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

USD $2.98 재고 있음
ATSAM3S1BB-MU - 64MHz Cortex-M3 MCU 64KB Flash | Microchip
ATSAM3S1BB-MU

ATSAM3S1BB-MU - 64MHz Cortex-M3 MCU 64KB Flash | Microchip

The Microchip Technology ATSAM3S1BB-MU is a 32-bit ARM Cortex-M3 flash microcontroller operating at up to 64 MHz, with 64 KB of Flash memory and 16 KB of SRAM, housed in a 64-pin VQFN (9 x 9 mm) green, RoHS-compliant package rated for industrial temperature ranges. A microcontroller (MCU) is a single integrated circuit that combines a processor core, memory, and peripherals into one chip, forming the compute tier at the device level of an embedded system hierarchy: semiconductor -> microcontroller -> embedded system -> IoT device. The SAM3S series belongs to Microchip (formerly Atmel) ARM-based flash MCU portfolio and executes the Thumb-2 instruction set of the ARMv7-M architecture, giving designers high code density and deterministic interrupt handling for real-time applications. Key differentiating features of the ATSAM3S1BB include a 64 MHz Cortex-M3 core with nested vectored interrupt controller (NVIC), a fast flash accelerator, an integrated USB 2.0 Full-Speed device port, and low-power operating modes suited to battery-powered designs. Peripherals typically include USART/UART channels, SPI, TWI (I2C), PWM timers, a 12-bit ADC, and a real-time timer/clock, enabling single-chip designs for sensing and control nodes. The Cortex-M3 architecture pairs the 32-bit core with tightly coupled memory interfaces and hardware division, achieving efficient real-time performance without an external memory bus. Flash memory is programmed in-system via JTAG or SWD, and the SAM3S family shares a common peripheral set across density variants, simplifying firmware reuse and migration between 64 KB, 128 KB, and 256 KB memory options within the same 64-pin footprint. Typical applications include industrial sensor nodes and HMI boards, consumer appliance control panels, USB-connected data loggers, and battery-powered metering products where 64 MHz performance, USB connectivity, and industrial temperature operation are required. A key design consideration is power budgeting: the SAM3S provides multiple sleep and wait modes, and peripheral clock gating should be applied to minimize current draw; verify the exact current figures in the manufacturer datasheet before finalizing battery sizing. This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not consolidated in the manufacturer datasheet, providing engineers with a single citable reference for the ATSAM3S1BB-MU.

USD $1.12 재고 있음
ATSAM3S1BB-MUR - 64MHz Cortex-M3 MCU 64KB Flash | Microchip
ATSAM3S1BB-MUR

ATSAM3S1BB-MUR - 64MHz Cortex-M3 MCU 64KB Flash | Microchip

The Microchip Technology ATSAM3S1BB-MUR is a 32-bit ARM Cortex-M3 flash microcontroller running at up to 64 MHz with 64 KB of Flash program memory and 16 KB of SRAM, supplied in a 64-pin QFN (9x9 mm) package with exposed pad. It operates from a single 1.62V to 3.6V supply and is rated for industrial temperature environments. A microcontroller (MCU) is a single integrated circuit that combines a processor core, memory, and peripherals into one chip, forming the lowest layer of the embedded systems hierarchy (MCU -> embedded processor -> system-on-chip -> semiconductor). The SAM3S series belongs to Microchip (formerly Atmel) SAM ARM-based flash MCU family, built around the ARM Cortex-M3 RISC processor with a three-stage pipeline and Thumb-2 instruction set, which balances performance, code density, and power efficiency for general-purpose embedded control. Key features of the ATSAM3S1BB include the 64 MHz Cortex-M3 core with Nested Vectored Interrupt Controller, 64 KB (64K x 8) of in-system-programmable FLASH with a 16 KB SRAM buffer, and a rich peripheral set typical of the SAM3S series: multiple USARTs, SPI, TWI (I2C), an 8-channel 10-bit ADC, PWM channels, and USB Full-Speed device capability. These make it suitable for applications that need both communication connectivity and moderate real-time processing in a compact 9x9 mm footprint. Architecturally, the SAM3S integrates a multi-layer bus matrix (HSMCI-ready), a power management controller with multiple clock sources (slow RC, main RC, main crystal, PLL), and low-power modes including wait, sleep, and backup modes, allowing designers to trade throughput against power consumption precisely. The flash accelerator ensures single-cycle core access at full 64 MHz speed. Typical applications include industrial sensor nodes and factory automation endpoints, portable and battery-powered devices, consumer appliance control, and USB-connected accessories and data loggers, where the 64 MHz core, USB device port, and rich serial connectivity fit communication-heavy control tasks. Design consideration: the device supports 1.62V to 3.6V single-supply operation, but I/O bank voltage levels and analog reference (ADVREF) wiring must be planned early; decouple VDDCORE/VDDIO per the datasheet layout guidelines for reliable flash operation. This page synthesizes distributor pricing context, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet alone.

USD $2.65 재고 있음