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ATSAML22G18A-MUT - 32MHz ARM Cortex-M0+ 256KB MCU | Microchip
ATSAML22G18A-MUT

ATSAML22G18A-MUT - 32MHz ARM Cortex-M0+ 256KB MCU | Microchip

The Microchip Technology (formerly Atmel) ATSAML22G18A-MUT is an ultra-low-power 32-bit ARM Cortex-M0+ microcontroller delivering 32MHz CPU performance with 256KB Flash and 32KB SRAM in a 48-pin VQFN-EP (7x7 mm) package. As part of the SAM L22G family, it integrates an on-chip segment LCD controller with up to 8x32 segments, making it purpose-built for battery-powered metering, wearable, and segment-LCD display applications. What is a SAM L22 microcontroller? The SAM L22 family sits within Microchip's broader SAM lineup of 32-bit ARM Cortex microcontrollers. A microcontroller (MCU) is a single-chip computer integrating a CPU core, Flash program memory, SRAM data memory, and programmable peripherals. The L22 sub-family is differentiated by its ultra-low-power architecture, segment LCD driver, and Cortex-M0+ efficiency - aimed at deeply embedded applications that must run for years on a single coin cell. In the system hierarchy it occupies the power-management-aware edge of the IoT device spectrum: MCU -> ultra-low-power MCU -> segment LCD MCU -> SAM L22 family. Key differentiating specifications include 39 uA/MHz active current running CoreMark, 490 nA ultra-low-power backup mode with RTC retention, integrated 16-channel 12-bit ADC, four SERCOM interfaces (configurable as I2C/SPI/UART), full-speed USB device with internal pull-up, and a segment LCD controller supporting up to 8x32 segments. The Cortex-M0+ core delivers 0.9 DMIPS/MHz with single-cycle I/O access and an MPU for memory protection. Architecturally, the device uses a Harvard-style bus matrix with separate AHB/APB domains, SleepWalking peripherals that wake only on configured events, and event system for zero-CPU peripheral-to-peripheral signaling. The 32MHz operation is sourced from an internal 32.768kHz oscillator and PLL, eliminating external crystals in many designs. Operating voltage spans 1.6V to 3.6V across -40C to +85C industrial range. Typical applications include battery-powered flow and gas meters, wearable health monitors with segment LCD displays, smart thermostats, electronic shelf labels, IoT sensor nodes with USB diagnostic port, and industrial HMI panels. The on-chip LCD driver eliminates the need for an external segment-driver IC. When designing with this part, route the segment LCD pins as a dedicated bus to minimize crosstalk, place the decoupling capacitor within 2mm of VDDIN, and verify the backup domain RTC crystal load capacitance to achieve the 490 nA standby target. The page synthesizes distributor pricing, drop-in alternatives from the SAM L22 family, and practical design notes not found in the manufacturer datasheet.

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ATSAML22J17A-MUT - ARM Cortex-M0+ MCU 128KB Flash 64-QFN | Microchip
ATSAML22J17A-MUT

ATSAML22J17A-MUT - ARM Cortex-M0+ MCU 128KB Flash 64-QFN | Microchip

The Microchip Technology ATSAML22J17A-MUT is an ultra-low-power 32-bit ARM Cortex-M0+ flash microcontroller from the SAM L22 family, offering 128KB of Flash memory and 32MHz CPU speed in a 64-pin QFN (9x9) surface-mount package. Designed for energy-sensitive IoT and battery-powered applications, the device consumes only 39 µA/MHz in active CoreMark operation and drops to as low as 490 nA in ultra-low-power backup mode with RTC running. The wide 1.6V to 3.6V supply range supports single-cell Li-ion and 3.3V system designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory (Flash and SRAM), and a rich set of peripherals such as timers, communication interfaces, ADCs, and GPIO into one package. It belongs to the hierarchy of embedded processors -> microcontrollers -> ARM Cortex-M0+ MCUs -> ultra-low-power microcontrollers -> power-managed edge-node MCUs. Cortex-M0+ parts target deterministic, energy-efficient control tasks in cost-constrained products and typically replace 8-bit and 16-bit MCUs while running the ARM Thumb instruction set. Key features of the ATSAML22J17A-MUT include the Cortex-M0+ core at 32MHz (2.46 CoreMark/MHz), 128KB Flash with ECC, 16KB SRAM, 32KB of EEPROM-like Flash (RWWEE), a 12-bit ADC, multiple SERCOM interfaces for I2C/SPI/UART, an integrated segmented LCD controller (SLCD) up to 8x32 segments, and a full-speed USB device. The 64-QFN package with exposed pad enables efficient thermal dissipation and compact PCB layouts. Architecturally, the SAM L22 family shares an identical linear address map and hex-compatible code with the SAM L21 and SAM D20/D21 lines, enabling simple migration paths between devices within the family. Pin-compatible migration is supported across flash-size variants in the same package, allowing OEMs to scale from 128KB to 256KB without PCB rework. Typical applications include battery-powered IoT sensor nodes, wearable health and fitness devices, smart meters, home automation controllers, electronic shelf labels, low-end consumer products, and industrial HMI panels with integrated LCD displays. The integrated SLCD driver and ultra-low-power RTC make the part especially attractive for human-interface devices that must run for years on a single coin cell. When designing with this device, ensure the exposed pad on the 64-QFN package is properly soldered to a sufficient ground copper pour for thermal and electrical performance. Decouple VDD with at least 100 nF and 1 µF ceramic capacitors placed close to the supply pins, and follow Microchip's SAML22 hardware errata and reference design recommendations for the USB and SLCD blocks. This page synthesizes distributor pricing, pin-compatible drop-in alternatives in the same 64-QFN footprint, and practical design notes not found in the manufacturer datasheet alone, helping engineers accelerate part selection and PCB layout validation.

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ATSAML22J18A-AUT - 32MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAML22J18A-AUT

ATSAML22J18A-AUT - 32MHz Cortex-M0+ MCU 256KB Flash | Microchip

The Microchip ATSAML22J18A-AUT is a 32-bit ARM Cortex-M0+ microcontroller from the SAM L22 family, delivering 32 MHz CPU performance with 256 KB of Flash and 32 KB of SRAM in a 64-pin TQFP (10x10 mm) package. It operates from 1.6 V to 3.6 V with sophisticated power management consuming 39 µA/MHz in active mode (CoreMark) and down to 490 nA in ultra-low-power backup mode with RTC running. A microcontroller (MCU) is an integrated circuit that combines a CPU core, program memory (Flash), working memory (SRAM), and a rich set of peripherals on a single die. The SAM L22 belongs to the ultra-low-power MCU category within the broader ARM Cortex-M0+ family, positioned between 8-bit MCUs and Cortex-M4 application processors in terms of performance and energy efficiency. It integrates an LCD segment driver, capacitive touch (PTC) hardware, and USB device support, making it a true system-on-chip for battery-powered human-machine interface products. Key features include Segment LCD driver (up to 8 common x 40 segment), 16-channel 12-bit ADC with hardware oversampling, 3-channel 10-bit DAC, two I2C and four SERCOM-configurable serial interfaces, full-speed USB 2.0 device, 12-channel PTC for touch sensing, and an AES-256 crypto accelerator. The integrated 32.768 kHz crystal oscillator enables RTC accuracy of ±5 ppm across 0-50 °C. The device supports Sleep, Idle, Standby, and Backup power domains, with fast wake-up from 1.5 µs from Standby. Architecturally, the SAM L22 uses Microchip's proprietary picoPower technology with an event system that allows peripherals to communicate without CPU intervention, drastically reducing active time and average power. The ARM Cortex-M0+ core delivers 0.9 DMIPS/MHz via the Thumb-2 subset, and the single-cycle 32x32 hardware multiplier handles DSP-like operations for sensor fusion and audio effects. Typical applications include battery-powered IoT sensor nodes with segment-LCD displays, wearable health and fitness bands with capacitive touch buttons, smart utility meters, electronic shelf labels (ESL), medical dosing pumps, asset tracking tags, and portable industrial HMI panels. The 256 KB Flash comfortably hosts USB stacks, graphics libraries, and over-the-air update bootloaders. When designing with this part, choose the 64-TQFP package when your board has spare area and you need maximum I/O access; for smaller footprints consider the QFN variant. Always include a 32.768 kHz crystal across pins XIN32/XOUT32 for accurate RTC, and ensure VDDIO and VDDC decoupling with 100 nF X7R capacitors placed within 3 mm of each pin. This page synthesizes distributor pricing, drop-in alternatives within the SAM L22 family, and practical low-power design notes not found in the manufacturer datasheet summary alone.

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ATSAML22J18A-MUT - 32MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAML22J18A-MUT

ATSAML22J18A-MUT - 32MHz Cortex-M0+ MCU 256KB Flash | Microchip

The Microchip ATSAML22J18A-MUT is an ultra-low-power 32-bit ARM Cortex-M0+ microcontroller from the SAM L22 family, integrating 256 KB of Flash and 32 KB of SRAM in a 64-pin QFN (9x9) package with an exposed thermal pad. It operates from 1.6 V to 3.6 V and runs up to 32 MHz, making it suited to battery-powered and energy-harvesting designs where active current, sleep current, and wake-up latency are all constrained. A low-dropout (LDO) linear regulator is a type of voltage regulator that maintains a stable output voltage even when the input voltage is very close to the output voltage, dropping only the headroom required by a pass element. In a power-management hierarchy, an LDO sits below a DC-DC switching converter and is used for post-regulation or noise-sensitive rails; for the SAM L22 family specifically, internal LDO and DC-DC blocks support sleep-mode currents in the hundreds of nanoamperes. Understanding this hierarchy helps frame why SAM L22 parts are positioned for always-on sensor nodes rather than high-throughput DSP. Key features of the ATSAML22J18A-MUT include 39 uA/MHz active current running CoreMark, 490 nA ultra-low-power backup mode with RTC retention, an on-chip 32.768 kHz RTC, and segment LCD support up to 8x36 segments. The integrated PTC (Peripheral Touch Controller) enables capacitive touch sensing without an external IC, and the SERCOM-configurable serial interfaces provide flexible UART/SPI/I2C connectivity. Hardware crypto, true random number generator, and secure boot features support IoT security requirements. The SAM L22 architecture uses a single-cycle hardware multiplier, single-cycle 32-bit divider option, and a low-power Cortex-M0+ core with Sleepwalking peripherals that wake the CPU only on qualifying events. The device supports 1.62 V minimum supply, allowing direct connection to single-cell Li-ion or 2x AA chemistries without external regulation. Code density is enhanced via Thumb-2 instruction set and Microchip's Atmel Studio/MPLAB X IDE toolchain with FreeRTOS support. Typical applications include IoT sensor nodes, wearable health monitors, smart home hubs with segment LCD front panels, industrial metering, capacitive touch user interfaces, and battery-powered HVAC controls. The 64-QFN with EP provides a compact footprint for space-constrained PCBAs while the exposed pad improves thermal dissipation for sustained 32 MHz operation. When designing with this device, plan decoupling per Section 7 of the manufacturer datasheet, route the exposed pad to a contiguous ground copper pour, and configure the LCD charge pump voltage before driving segments. Use sleep modes strategically - Sleepwalking I/O can reduce average current by 10x or more compared with polling. The VDDIO2 supply rail allows independent I/O voltage for mixed-voltage peripherals. This page synthesizes distributor pricing, drop-in same-package alternatives, and design notes for the ATSAML22J18A-MUT that are not aggregated on the manufacturer datasheet or single distributor pages.

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ATSAML22N16A-AUT - 32MHz Cortex-M0+ 64KB Flash MCU | Microchip
ATSAML22N16A-AUT

ATSAML22N16A-AUT - 32MHz Cortex-M0+ 64KB Flash MCU | Microchip

The Microchip ATSAML22N16A-AUT is an ultra-low-power 32-bit ARM Cortex-M0+ microcontroller from the SAM L22N family, featuring 64KB Flash and 8KB SRAM in a 100-pin TQFP (14x14 mm) package. It operates at up to 32MHz, supports 1.6V to 3.6V supply voltage, and integrates a segment LCD controller capable of driving up to 320 LCD segments, making it purpose-built for battery-powered metering, wearable, and IoT display applications. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash for program storage and SRAM for runtime data), and a rich set of peripherals on one die. The SAM L22N belongs to the Cortex-M0+ class - the most energy-efficient ARM core for embedded workloads - paired with Microchip's proprietary ultra-low-power peripherals such as the AFE (Analog Front End) for sensor readout. The active-mode current of 39 µA/MHz (running CoreMark) and the 490 nA ultra-low-power backup mode with RTC place the part firmly in the 'always-on, coin-cell-friendly' tier of MCUs. Key features include integrated SLCD (segment LCD) driver for up to 320 segments (8 com x 40 seg, or 4 com x 44 seg), Cortex-M0+ core with 2.14 CoreMark/MHz, 12-bit ADC with hardware averaging, 12-bit DAC, 16-bit timers (TC), SERCOM (configurable USART/SPI/I2C) channels, and a battery-backed RTC domain that retains state down to 490 nA. The SAM L22N family uses a Harvard-bus architecture with single-cycle 32x32 hardware multiply, deterministic 2-stage pipeline, and a Nested Vectored Interrupt Controller (NVIC). The integrated AFE includes a 24-bit sigma-delta front end and a 12-bit SAR ADC, enabling direct sensor readout without external signal-conditioning ICs. The wide 1.6V-3.6V VDD range supports direct connection to single-cell Li-ion, 3V coin cells, and 2xAA stacks without external regulation. Typical applications include smart electricity/water/gas meters with LCD, fitness bands and wearable medical devices with segment displays, battery-powered industrial sensor nodes, electronic shelf labels, and home automation keypads with LCD readouts. The 320-segment LCD capability differentiates it from generic Cortex-M0+ MCUs that require an external LCD driver. Designers should evaluate wake-up source mapping (RTC, external interrupt, ADC window comparator) when targeting deep-sleep battery life, and reserve adequate Flash for the bootloader if OTA updates are required (64KB is sufficient for typical Cortex-M0+ application code but tight for full USB stacks). This page synthesizes distributor pricing, same-family drop-in variants, AEC-Q100 alternative grades, and practical low-power design notes that go beyond the manufacturer datasheet's parametric tables.

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ATSAML22N16A-CFUT - Ultra-Low-Power ARM M0+ MCU 64KB Flash | Microchip
ATSAML22N16A-CFUT

ATSAML22N16A-CFUT - Ultra-Low-Power ARM M0+ MCU 64KB Flash | Microchip

The Microchip Technology ATSAML22N16A-CFUT is an ultra-low-power 32-bit ARM Cortex-M0+ microcontroller (MCU) from the SAM L22N family, integrating 64 KB of Flash and 8 KB of SRAM in a 100-ball UFBGA (6x6 mm) package. It operates from a 1.6 V to 3.6 V supply, runs at up to 32 MHz, and is optimized for battery-powered and energy-harvesting designs where active current and deep-sleep consumption directly determine end-product battery life. What is an ultra-low-power microcontroller? An ultra-low-power MCU is a microcontroller that combines a low-power CPU core (often ARM Cortex-M0+ or M4) with multiple low-power operating modes (active, idle, standby, backup, deep-sleep, off), low-leakage peripherals, and event-driven wake-up logic. It sits within the broader taxonomy of microcontrollers -> embedded processors -> semiconductor ICs. Engineers reach for ultra-low-power MCUs like the SAM L22 when average current draw must drop into the µA/nA range so that coin cells, lithium thionyl chloride cells, or harvested energy sources can last for years. Key features include Cortex-M0+ core at 32 MHz with single-cycle I/O access, 64 KB Flash, 8 KB SRAM, full-speed USB device with internal pull-up and 1.5 K endpoints, Segment LCD controller driving up to 8 COM x 25 SEG, two SERCOM (USART/SPI/I2C) channels, 12-bit ADC and DAC, and an integrated PTC (Peripheral Touch Controller) supporting capacitive touch buttons and sliders. Active-mode current is specified at 39 µA/MHz running CoreMark, while ultra-low-power backup mode with RTC reaches 490 nA. The SAM L22 architecture pairs the Cortex-M0+ core with Microchip's proprietary low-power techniques, including multiple clock domains, peripheral event system, and SleepWalking for DMA-driven peripheral operation without CPU intervention. BOD, brown-out reset, watchdog timer, and a 32 kHz RTC make the part suitable for metering and industrial sensor nodes. Typical applications include battery-powered IoT sensor nodes, medical wearables, smart meters and energy harvesting, consumer health devices, Segmented LCD user interfaces, USB-CDC class devices, and capacitive-touch human-machine interfaces. The wide 1.6 V - 3.6 V range and ARM Cortex ecosystem support firmware reuse across the SAM family. When designing with this device, evaluate total average power including wake/sleep duty cycle rather than peak current. Use the SAM L22's peripheral event system and SleepWalking to keep the CPU asleep while ADC, SERCOM, or RTC handle I/O autonomously. This page synthesizes distributor pricing, drop-in alternatives, comparison parameters, and practical design notes not aggregated in the manufacturer datasheet.

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ATSAML22N17A-AUT - 32MHz M0+ 128KB Flash MCU | Microchip
ATSAML22N17A-AUT

ATSAML22N17A-AUT - 32MHz M0+ 128KB Flash MCU | Microchip

The Microchip Technology ATSAML22N17A-AUT is an ultra-low-power 32-bit ARM Cortex-M0+ microcontroller from the SAM L22 family, featuring 128KB of Flash, 16KB of SRAM, and an integrated segment LCD controller supporting up to 320 segments, all packaged in a 100-pin TQFP (14x14 mm). The device operates from a 1.6V to 3.6V supply, runs at up to 32 MHz, and is qualified for the -40C to +85C industrial temperature range. An ultra-low-power microcontroller (MCU) is a class of embedded controller that integrates a CPU core, memory, and peripherals while optimizing every operating mode for minimum energy consumption. Within the semiconductor taxonomy, an MCU belongs to microcontrollers -> integrated circuits -> semiconductors. The SAM L22 family specifically targets battery-powered metering, medical, and IoT applications where the segment LCD driver eliminates the cost and current drain of an external display controller. Key features of the ATSAML22N17A-AUT include 39 uA/MHz active current running CoreMark, a deep-sleep backup mode drawing only 490 nA with RTC retention, a 12-bit ADC, multiple SERCOM interfaces, a full-speed USB device, and a hardware segmented LCD controller with integrated charge pump. The device also provides a 32 kHz RTC, multiple timers, and an event system for low-power peripheral signaling without CPU intervention. The architecture combines an ARM Cortex-M0+ core with single-cycle I/O access, a dedicated LCD segment driver peripheral, and a sophisticated power management unit featuring eight distinct sleep modes. The integrated charge pump allows direct biasing of 3V or 5V LCD glass from a single Li-ion cell, simplifying meter and appliance front-panel designs. Typical applications include electricity meters, water/gas meters with LCD readouts, medical monitoring devices, industrial sensor nodes, and battery-powered IoT terminals. The combination of segment LCD, USB, and sub-microamp backup current makes the part especially well-suited to portable metering and wearable health devices. When designing with this part, ensure that decoupling capacitance is placed within 5 mm of each VDD pin pair and that the segment LCD bias network follows the reference schematic in the datasheet. The AUT suffix indicates tape-and-reel packaging for high-volume assembly. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single decision-ready view of the ATSAML22N17A-AUT and its pin-compatible peers.

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ATSAML22N17A-CFUT - ARM Cortex-M0+ 32MHz 128KB MCU | Microchip
ATSAML22N17A-CFUT

ATSAML22N17A-CFUT - ARM Cortex-M0+ 32MHz 128KB MCU | Microchip

The Microchip Technology ATSAML22N17A-CFUT is an ultra-low-power ARM Cortex-M0+ 32-bit microcontroller running at 32 MHz with 128 KB of Flash and 16 KB of SRAM, housed in a 100-ball UFBGA (6x6 mm) package. It operates from 1.6 V to 3.6 V and consumes 39 µA/MHz in active CoreMark mode, dropping to 490 nA in ultra-low-power backup mode with RTC running. The device is engineered for battery-powered IoT, sensor, and wearables where every microwatt matters. An ARM Cortex-M0+ microcontroller is a 32-bit reduced-instruction-set core built around the Thumb-2 instruction set and a single-cycle IO subsystem; the M0+ specifically adds a single-cycle GPIO block and a vectored interrupt controller for deterministic real-time response. Microcontrollers sit within the embedded-computing hierarchy of semiconductor devices (MCU -> microcontroller -> embedded processor -> semiconductor), and ultra-low-power variants such as the SAM L22 family specifically target always-on battery applications where duty-cycled sleep currents dominate the energy budget. Key features include a 12-bit ADC, 16-bit timers, SERCOM (configurable serial communication) peripherals, a USB 2.0 Full-Speed device/host interface, an on-chip temperature sensor, and integrated touch-support through the Peripheral Touch Controller. The SAM L22 family is rated for an industrial temperature range of -40 °C to +85 °C in the CFUT UFBGA-100 package and supports up to 256 KB Flash and 32 KB SRAM across its variants, with the N17A die providing 128 KB Flash plus 16 KB SRAM at the optimized ultra-low-power operating point. Architecturally, the device separates active and sleep power domains, allowing the CPU and most peripherals to power down while the RTC, WDT, and backup SRAM remain active. The integrated Power Manager with brown-out detector and on-chip voltage regulator allows direct battery connection from 1.6 V to 3.6 V without external regulation. Hardware cryptography is not integrated on this die; secure-boot and crypto functions require software implementation or an external companion IC. Typical applications include battery-powered IoT sensor nodes, wearable health monitors, industrial HVAC and metering edge nodes, consumer remote controls, and low-power wireless sensor hubs. Designers choose this part when wake-on-event cycle efficiency is more important than raw CPU throughput. Consider 32 MHz versus the lower-power 8 MHz sleep-clock modes for thermal-budget or energy-harvesting designs. This page synthesizes distributor pricing, drop-in SAM L22N family alternatives, and practical low-power design notes not found on a single distributor listing.

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ATSAML22N18A-CFUT - 32MHz Cortex-M0+ 256KB Flash MCU | Microchip
ATSAML22N18A-CFUT

ATSAML22N18A-CFUT - 32MHz Cortex-M0+ 256KB Flash MCU | Microchip

The Microchip ATSAML22N18A-CFUT is an ultra-low-power 32-bit ARM Cortex-M0+ microcontroller in the SAM L22N family, integrating 256KB of Flash, 32KB of SRAM, and a Full-Speed USB 2.0 controller in a 100-ball UFBGA (6x6 mm) package. It operates from a 1.6V to 3.6V supply at up to 32 MHz and consumes only 39 µA/MHz in active CoreMark execution and down to 490 nA in ultra-low-power backup mode with RTC retention. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (SRAM), and a rich set of peripherals (timers, ADC, communication controllers). The Cortex-M0+ sits at the energy-efficient end of the ARM Cortex-M hierarchy (Cortex-M0+ -> Cortex-M0 -> Cortex-M3/M4), making the SAM L22N ideal for battery-powered and energy-harvesting products. The SAM L22N series specifically targets metering, sensor nodes, and human-machine interface applications that demand long battery life. Key features include a 12-bit 1 Msps ADC with hardware oversampling, a 10-bit DAC, up to 6 SERCOM serial interfaces configurable as UART/SPI/I2C, a Segment LCD controller (SLCD) up to 8x40 segments, and an integrated Full-Speed USB 2.0 device/host controller. The device also includes an AES cryptographic engine, a True Random Number Generator (TRNG), a capacitive touch PTC peripheral, and a Peripheral Touch Controller supporting up to 256 channels. The architecture combines the Cortex-M0+ core with a 2-channel DMA controller and a 12-channel event system that allows peripherals to communicate without CPU intervention, achieving ultra-low standby current. The 100-ball UFBGA package (6x6 mm) keeps the footprint comparable to competing LQFP-100 packages while providing better electrical performance for high-speed USB signalling. Typical applications include smart electricity meters, water/gas meters, wireless sensor nodes, building automation, wearable health monitors, IoT edge devices, and human-machine interface (HMI) panels. The integrated SLCD controller and USB support reduce BOM cost in metering and HMI designs. When designing with this MCU, allocate decoupling capacitors close to every VDD pin and route the USB DP/DM traces as a 90 ohm differential pair. Use the Atmel/Microchip START code-configurator and MPLAB X IDE to generate the SAML22 firmware framework and validate current consumption with the SAME54 Xplained Pro power-analysis tooling. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not consolidated in the manufacturer datasheet, providing engineers with an engineering-decision view beyond raw spec lists.

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ATSAMS70J19A-AN - 300MHz Cortex-M7 MCU, 512KB Flash | Microchip
ATSAMS70J19A-AN

ATSAMS70J19A-AN - 300MHz Cortex-M7 MCU, 512KB Flash | Microchip

The Microchip Technology ATSAMS70J19A-AN is a 32-bit ARM Cortex-M7 microcontroller with Floating Point Unit (FPU), running at up to 300 MHz, featuring 512 KB of Flash and 256 KB of SRAM in a 64-pin LQFP (10x10 mm) package. As a member of the SAM S70 family, it integrates a rich peripheral set including high-speed USB, CAN-FD, Ethernet MAC, HSEM (Hardware Semaphore), and a TFT LCD controller. An ARM Cortex-M7 microcontroller is a high-performance 32-bit processor core built on the ARMv7-M architecture, featuring a 6-stage superscalar pipeline, branch prediction, single-precision/double-precision FPU, and tightly-coupled memory (TCM) for deterministic low-latency code execution. It belongs to the broader hierarchy: ARM Cortex-M7 -> ARM Cortex-M family -> 32-bit MCU -> embedded microcontroller -> semiconductor. The Cortex-M7 is purpose-built for DSP workloads and real-time control, replacing legacy DSP ICs in many applications. Key features of the ATSAMS70J19A-AN include 300 MHz core clock, 512 KB Flash, 256 KB SRAM, 16 KB ICache, 16 KB DCache, USB 2.0 High-Speed with integrated PHY, dual CAN-FD controllers, 10/100 Ethernet MAC with 1588 PTP support, 12-bit AFEC (analog front-end controller) up to 1 MSPS, and an image sensor interface (ISI). The SAM S70 family targets high-performance industrial, automotive infotainment, and IoT edge applications. The device uses a single-precision/double-precision FPU and DSP extensions, supporting floating-point and SIMD instructions for advanced signal processing. The Cortex-M7 core delivers 1500 CoreMarks and up to 300 DMIPS performance, enabling complex control loops, audio processing, and machine-learning inference at the edge. Typical applications include industrial motor control, building automation, smart energy meters, automotive infotainment, IoT gateways, point-of-sale terminals, and graphics-enabled HMI with TFT LCD. The Ethernet MAC and CAN-FD bus make it suitable for industrial networking, while the USB HS and image sensor interface enable multimedia endpoints. When designing with this device, ensure the regulator is sized to handle the worst-case inrush during ADC reference stabilization and PLL lock. The 64-pin LQFP footprint is shared with SAM E70, SAM V70, and SAM V71 family members, easing migration when scaling Flash/RAM or adding CAN-FD/HS USB requirements. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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ATSAMS70N19A-AN - SAM S70 Cortex-M7 MCU 300MHz 512KB Flash | Microchip
ATSAMS70N19A-AN

ATSAMS70N19A-AN - SAM S70 Cortex-M7 MCU 300MHz 512KB Flash | Microchip

The Microchip Technology ATSAMS70N19A-AN is a 32-bit ARM Cortex-M7 microcontroller with Floating Point Unit (FPU) running up to 300 MHz, integrating 512 KB of Flash and 256 KB of SRAM, housed in a 100-pin LQFP (14x14 mm) package. This SAM S70 family device targets high-performance embedded designs requiring deterministic real-time control, rich connectivity, and a rich peripheral mix including Ethernet, HS USB, CAN-FD, and a 12-bit ADC with up to 24 channels. What is a Cortex-M7 microcontroller? A Cortex-M7 is a 32-bit ARM processor core designed for high-performance microcontroller applications, including a hardware single-precision and double-precision FPU, tightly coupled memories (TCM), and an instruction cache. It sits above Cortex-M4 in the ARM hierarchy (Cortex-M0/M0+ -> Cortex-M3 -> Cortex-M4 -> Cortex-M7 -> Cortex-M33/M55/M85), offering superscalar DSP and SIMD capabilities for signal-processing and motor-control workloads. The Cortex-M7 belongs to the broader family of microcontrollers -> microcontrollers ICs -> embedded processors -> semiconductors. Key features include 300 MHz core clock, 512 KB Flash program store, 256 KB SRAM, a 12-bit 1 Msps ADC, two CAN-FD controllers, 10/100 Mbps Ethernet MAC, high-speed USB host/device with PHY, an image sensor interface, an external bus interface (EBI) for SRAM/NOR/NAND, and a high-speed SD/MMC host. The 100-LQFP package exposes most peripherals for low-cost PCB designs while supporting industrial temperature operation from -40C to +105C. Technically, the SAM S70 architecture couples an MPU-aware Cortex-M7 core to a multi-layer AHB bus matrix with separate peripherals and tightly-coupled memories, enabling deterministic DMA and zero-wait-state Flash access via a 2 KB cache. 256 KB SRAM is split between system SRAM and backup SRAM retained in certain low-power modes; the 12-bit ADC and analog comparators are routed to dedicated peripheral channels. Hardware crypto is not part of the SAM S70 itself - that feature lives on the related SAME70 family. Typical applications include industrial motor control (BLDC/PMSM), industrial automation and PLC interfaces, building automation and HVAC, smart energy metering, automotive body/infotainment peripherals, audio processing front ends, machine vision at the edge, and connected gateways with Ethernet and CAN-FD. The SAMS70N19 is also used in medical instrumentation where the FPU and DSP extension accelerate filter computations. When designing with this device, allocate sufficient decoupling (100 nF near each VDD/VDDIO pin plus bulk) and follow Microchip's SAMS70 errata for HS USB PHY, EBI timing, and CAN-FD revision items. Use MPLAB X IDE with MPLAB Harmony 3 (csp, core, and a supported middleware layer) for code generation, peripheral drivers, and FreeRTOS integration. This page synthesizes distributor pricing, parametric positioning, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone - including a cross-vendor comparison row and a curated set of Microchip SAME70/SAMS70 family pin-compatible options for reuse of existing PCB layouts.

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ATSAMS70Q20A-AN - 300MHz Cortex-M7 MCU, 1MB Flash | Microchip
ATSAMS70Q20A-AN

ATSAMS70Q20A-AN - 300MHz Cortex-M7 MCU, 1MB Flash | Microchip

The Microchip ATSAMS70Q20A-AN is a 32-bit ARM Cortex-M7 microcontroller with Floating Point Unit (FPU), running up to 300 MHz, featuring 1 MB of Flash and 384 KB of SRAM in a 144-pin LQFP package. This SAM S70 family device delivers 1500 CoreMark / 600 DMIPS performance and integrates rich connectivity including HS USB, Ethernet, CAN-FD, and a TFT LCD controller, making it suitable for high-performance embedded graphics and audio applications. What is a Cortex-M7 microcontroller? A Cortex-M7 MCU is a 32-bit RISC processor from ARM designed for deterministic real-time control with DSP extensions and a hardware single-precision/double-precision FPU. It sits in the hierarchy ARM Cortex-M -> 32-bit MCU -> microcontroller -> embedded processor, and is typically chosen when developers need sub-200ns interrupt latency, SIMD DSP, and large code/RAM footprints for graphical or audio signal chains. Key features include 16 KB of ICache and 16 KB of DCache, a Multi-Port SRAM architecture, two 12-bit AFEC ADCs up to 1.5 Msps, USB 2.0 High-Speed with on-chip PHY, 10/100 Ethernet MAC with 1588 PTP support, a 2D graphics LCD TFT controller with overlay, a hardware cryptographic accelerator (AES, TRNG), and 8/16-bit external bus interface (EBI) for SDRAM/NAND/NOR expansion. The device also embeds a Floating Point Unit that natively executes single- and double-precision IEEE 754 operations. The ATSAMS70Q20A-AN employs a Harvard-bus implementation with a tightly-coupled TCM block, deterministic 4-cycle interrupt entry, and a system controller that handles clock, reset, and brown-out supervision. Its peripheral set includes CAN-FD, four I2S ports for audio codec interfacing, an image sensor interface (ISI), a camera interface, and up to 119 GPIOs. Engineering trade-offs include higher dynamic power at 300 MHz than Cortex-M4 parts and a 144-LQFP footprint that requires careful power-plane design. Typical applications span industrial motor control, industrial HMI / TFT panels, point-of-sale terminals, audio amplification systems, automotive infotainment prototyping, building-automation gateways, and IoT edge nodes that demand on-the-fly TLS handshake acceleration via the integrated crypto engine. The wide 3.0V to 3.6V supply and 1.7V to 3.6V IO tolerance also let it co-exist with 1.8V sensors. When designing with this MCU, place four 0.1 µF + 1 µF decoupling pairs near the VDDIO/VDDCORE pin groups, route the 12 MHz crystal traces symmetrically, and use a 4-layer backup across IC pin groups to keep the high-speed USB and Ethernet impedance at 90 Ω differential. Provide a 32.768 kHz low-power crystal on the XIN32/XOUT32 pads if RTC wake-from-backup is required. This page synthesizes distributor pricing, drop-in alternatives sourced from Microchip cross-reference data, and practical design notes not consolidated in the manufacturer datasheet.

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ATSAMS70Q21B-AN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAMS70Q21B-AN

ATSAMS70Q21B-AN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip

The Microchip ATSAMS70Q21B-AN is a 32-bit ARM Cortex-M7 microcontroller from the SAM S70 family, featuring a 300 MHz CPU core with Floating Point Unit (FPU), 2 MB of Flash program memory, and 384 KB of SRAM, packaged in a 144-pin LQFP (20x20 mm). It operates from a 1.08V to 1.32V core supply and is qualified for industrial temperature ranges of -40C to +105C, making it suitable for demanding embedded applications. An ARM Cortex-M7 microcontroller is a high-performance 32-bit RISC processor designed for deterministic real-time control and signal processing. The M7 architecture includes a double-precision FPU, SIMD instructions, and tightly coupled memory, sitting above Cortex-M4 and below Cortex-A application processors in the ARM embedded hierarchy. Within Microchip's SAM family, the S70 series targets high-performance motor control, industrial automation, and audio/graphics applications where the M7's DSP extensions deliver substantial throughput advantages over M4 designs. Key features of the ATSAMS70Q21B-AN include 114 programmable I/O lines, a 16-bit external bus interface with 24-bit address bus, multiple PWM channels for motor and power control, a high-speed ADC, multiple DMA channels for low-overhead data movement, and a DAC for analog output generation. The peripheral set also includes USB, CAN, Ethernet MAC, and high-speed serial interfaces, supporting connected industrial designs. The device integrates a 6-layer bus matrix with separate bridges for I/O and peripheral DMA, enabling parallel data movement without CPU intervention. The M7 core's branch prediction, instruction cache, and tightly coupled RAM deliver sustained 300 MHz performance with single-cycle SRAM access, enabling real-time DSP workloads such as field-oriented motor control and audio processing at sample rates well above 100 kHz. Typical applications include industrial motor drives (FOC for BLDC/PMSM), factory automation controllers, building automation HMI panels, audio processing systems, and connected IoT edge nodes. The combination of large memory, rich peripherals, and industrial temperature range makes it a strong fit for systems previously served by mid-range DSPs or higher-end Cortex-M4 parts. When designing with this MCU, ensure the 144-LQFP PCB layout accommodates the 0.5 mm pitch footprint and provides adequate thermal copper for high-clock-current transients. Decoupling must follow the manufacturer's reference schematic with bulk, mid-frequency, and high-frequency ceramics placed close to each supply pin pair. This page synthesizes verified distributor pricing, drop-in alternatives drawn from the same SAM S70/SAM E70 family, and practical design notes that go beyond the manufacturer datasheet to support sourcing and engineering decisions.

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ATSAMS70Q21B-ANT - 300MHz Cortex-M7 MCU 2MB Flash 144-LQFP | Microchip
ATSAMS70Q21B-ANT

ATSAMS70Q21B-ANT - 300MHz Cortex-M7 MCU 2MB Flash 144-LQFP | Microchip

The Microchip Technology ATSAMS70Q21B-ANT is a 32-bit ARM Cortex-M7 microcontroller with FPU operating at up to 300 MHz, integrating 2 MB of Flash and 384 KB of SRAM in a 144-pin LQFP (20x20 mm) package with 114 user I/O lines. It belongs to the SAM S70 family of high-performance flash microcontrollers designed for connected and industrial applications requiring Ethernet connectivity, high-speed connectivity, and rich peripherals. What is a Cortex-M7 microcontroller? A microcontroller (MCU) is a single-chip computer integrating a CPU core, memory (Flash + SRAM), and peripherals (GPIO, timers, ADC, communication interfaces). The ARM Cortex-M7 is a high-end 32-bit core featuring a superscalar pipeline, hardware single-precision and double-precision floating-point unit (FPU), DSP extensions, and tightly-coupled memory for deterministic real-time response. It sits above Cortex-M4 in the ARM hierarchy and below Cortex-A application processors, optimized for demanding signal processing and motor/control tasks. Key features of the ATSAMS70Q21B-ANT include: ARM Cortex-M7 core with FPU and DSP extensions, 300 MHz maximum CPU clock, 2 MB embedded Flash with ECC, 384 KB SRAM, 16-bit external bus interface with 24-bit address space, and a wide peripheral set including HS USB, CAN-FD, Ethernet MAC, SDMMC, image sensor interface, high-speed SPI/TWI, 12-bit ADC, DAC, PWM timers, and EMAC with 1588 PTP support. The device is built on an ultra-low-power process and supports 1.08 V to 1.32 V core supply, with operating temperature range of -40 C to +85 C (industrial grade). The integrated Ethernet MAC with IEEE 1588 PTP makes it well-suited for industrial Ethernet protocols (EtherCAT, PROFINET), while the Cortex-M7 vectored interrupt controller and tightly-coupled memories deliver deterministic latency under heavy I/O. Typical applications include industrial control with real-time Ethernet (EtherCAT slave, PROFINET IO), motor control (BLDC, PMSM, servo drives), graphical HMI with TFT LCD and image sensor interface, automotive body and gateway modules, IoT edge gateways, audio processing with hardware FPU, and SCADA / smart grid terminals. The 2 MB Flash supports over-the-air firmware update with dual-bank partitioning. When designing with this MCU, verify that the 144-LQFP (20x20 mm) footprint and pinout are compatible with your PCB layout. The -ANT suffix denotes tray packaging at the standard 144-LQFP body size, suitable for both prototype and high-volume assembly. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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ATSAMV70Q20B-CB - ARM Cortex-M7 300MHz MCU, 1MB Flash | Microchip
ATSAMV70Q20B-CB

ATSAMV70Q20B-CB - ARM Cortex-M7 300MHz MCU, 1MB Flash | Microchip

The Microchip Technology ATSAMV70Q20B-CB is an ARM Cortex-M7 microcontroller in the SAM V70 automotive family, featuring a single-core 32-bit processor with double-precision FPU running at up to 300 MHz, paired with 1 MB of Flash and 384 KB of SRAM in a 144-pin TFBGA (10x10 mm) package. It is qualified to the AEC-Q100 automotive reliability standard and integrates high-speed connectivity including Ethernet, CAN-FD, USB, and a 16-bit HSMCI SD-card interface. The device is targeted at automotive body, chassis, and gateway ECUs where deterministic real-time performance and a rich peripheral set are mandatory. An ARM Cortex-M7 MCU is a 32-bit microcontroller built on the ARMv7-M architecture with a deeply pipelined core that delivers 2.14 CoreMark/MHz performance, a hardware double-precision floating-point unit, single-precision and double-precision SIMD instructions, and tightly-coupled memory for low-latency code and data access. It sits within the broader taxonomy of MCU -> embedded microcontroller -> SoC -> semiconductor. The Cortex-M7 family supersedes Cortex-M4 by adding cache controllers, branch prediction, and dual-issue capability, making it the highest-performance mainstream Cortex-M part before moving into Cortex-M33/M55 secure islands. Key features include 1 MB (1M x 8) embedded Flash, 384 KB of multi-port SRAM, an MPU for memory protection, 16-bit SDRAM and 8/16-bit PSRAM external bus interface, an image sensor interface, an advanced 16-bit sigma-delta ADC with up to 24 channels, and a hardware crypto accelerator (TRNG, AES, SHA, RSA). The on-chip peripherals include 8-bit/16-bit image sensor interface (ISI), 12-bit DAC, 16-bit timers, PWM, I2S, I2C, SPI, UART/USART, and high-speed USB with integrated PHY. The 144-TFBGA package offers compact 10x10 mm footprint while exposing up to 88 GPIOs. The architectural depth of SAM V70 lies in its Cortex-M7 core, which integrates an L1 instruction cache and branch target address cache to mitigate Flash wait-state penalties at 300 MHz, while the multi-port SRAM bank allows parallel DMA, Ethernet, and code execution without bus contention. The peripheral event system (PDMA, AFEC) and an interrupt controller with configurable priorities allow deterministic sub-microsecond response on critical tasks such as motor control or CAN-FD message handling. An integrated flexible 8- to 16-bit external bus interface (EBI) simplifies expansion to SDRAM or QSPI Flash. Typical applications include automotive body controllers, HVAC panels, LED matrix drivers, industrial PLCs, motor-control front-ends, and IoT gateways that require Ethernet + CAN-FD co-existence. The device is also a strong fit for human-machine-interface (HMI) panels with TFT-LCD support, audio infotainment nodes, and CAN/LIN gateways. When designing with this part, designers should provision an external LDO or DC-DC for the 1.2V core rail and follow Microchip's Atmel Studio/Microchip Studio pin-mux configuration to avoid peripheral conflict on shared I/O lines. The part uses an automotive-grade process and is PPAP-capable.

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ATSAMV71N20B-CBT - 300MHz Cortex-M7 MCU 1MB Flash | Microchip
ATSAMV71N20B-CBT

ATSAMV71N20B-CBT - 300MHz Cortex-M7 MCU 1MB Flash | Microchip

The Microchip ATSAMV71N20B-CBT is an automotive-grade 32-bit microcontroller based on the ARM Cortex-M7 core with double-precision FPU, running at up to 300MHz with 1MB (1M x 8) embedded Flash and 384KB SRAM, supplied in a 100-ball TFBGA (9x9 mm) package. Per Microchip, the SAM V71 family is manufactured under ISO-TS-16949 requirements and qualified to AEC-Q100 for automotive applications. A microcontroller (MCU) is a single-chip embedded processor that integrates a CPU core, memory, and peripherals into one device, forming the highest-volume class of embedded processing ICs used across automotive, industrial, and consumer systems. The SAM V71 sits at the high-performance end of the MCU hierarchy, positioned above general-purpose Cortex-M4 devices by its superscalar Cortex-M7 pipeline delivering 5.04 CoreMark/MHz. Key features include a 300MHz core with cache acceleration, dual 16-bit 2Msps ADCs, Ethernet MAC with AVB support for automotive audio-video bridging, dual CAN interfaces, I2S for digital audio, USB high-speed device/host, and multiple USART/SPI/TWI peripherals. The LCD controller-capable parallel capture interface and SDRAM/SDIO support enable graphics and data-logging designs. Architecturally, the Cortex-M7 core pairs a six-stage dual-issue pipeline with tightly-coupled memory (TCM) and configurable instruction/data caches, allowing deterministic execution for motor control and audio DSP workloads. The double-precision FPU accelerates control-loop math, while embedded Flash with ECC supports functional-safety-oriented designs. Typical applications include automotive gateway and body controllers, industrial automation and motor control, and Ethernet AVB audio/video networking. The combination of 300MHz throughput, hardware Ethernet, and dual CAN makes it a strong single-chip solution for connected embedded nodes. Design consideration: ensure a clean 3V to 3.6V supply with proper decoupling at all VDDIO/VDDCORE pins, and verify BGA escape-routing capability before committing to the 100-TFBGA footprint; pricing shown as of 2026-08-29.

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ATSAMV71Q21B-AAB - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAMV71Q21B-AAB

ATSAMV71Q21B-AAB - 300MHz Cortex-M7 MCU 2MB Flash | Microchip

The Microchip Technology ATSAMV71Q21B-AAB is a high-performance 32-bit ARM Cortex-M7 microcontroller with a double-precision FPU, running up to 300 MHz, integrating 2 MB of Flash and 384 KB of SRAM in a 144-pin LQFP (20x20 mm) package. It belongs to the SAM V71 automotive-grade family and features an extensive peripheral set including Ethernet, CAN-FD, high-speed USB, HS SDIO/QSPI, I2S, and a 12-bit ADC. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory, RAM, and on-chip peripherals designed to embedded applications. Within the silicon taxonomy, the ATSAMV71Q21B-AAB sits in the hierarchy: Cortex-M7 core -> ARM 32-bit MCU -> microcontroller -> embedded IC -> semiconductor. The Cortex-M7 architecture is a superscalar pipeline with branch prediction, tightly coupled memory (TCM), and an instruction/data cache that delivers deterministic real-time performance alongside DSP-class signal processing throughput. Key features include a 16-bit external bus interface (EBI) for SDRAM expansion, a graphics LCD controller for TFT panels, hardware cryptographic acceleration (AES, TRNG), and a 12-bit 2 Msps ADC. The device supports 1.8V, 2.5V, and 3.3V I/O operation and is qualified to AEC-Q100 for automotive applications, making it suitable for body electronics, infotainment HMI, and industrial motor control. The Cortex-M7 core integrates DSP extensions (SIMD) and an FPU that handles single- and double-precision IEEE-754 operations. Combined with 16 KB I-cache + 16 KB D-cache and up to 384 KB system SRAM, it sustains the throughput needed for motor-control loops, audio processing, and predictive-maintenance algorithms on factory-floor equipment. Typical applications include automotive body and chassis ECUs, industrial PLC and HMI controllers, motor-control inverters, audio and infotainment head units, and industrial IoT gateways. The integrated Ethernet MAC and HS USB simplify connectivity for industrial and automotive networking stacks. When designing with this device, plan decoupling with bulk 4.7 uF + 100 nF per VDD pin pair and provide a 25 MHz external crystal with proper PCB guard routing. The AEC-Q100 grade adds cost only for the qualification itself - the silicon, footprint, and firmware are identical to industrial equivalents, enabling a single PCB design to serve both end markets. This page synthesizes distributor pricing, drop-in alternatives within the SAM V71 family, and practical hardware-design notes not consolidated in the manufacturer datasheet.

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ATSAMV71Q21B-AABT - 300MHz ARM Cortex-M7 MCU, 2MB Flash | Microchip
ATSAMV71Q21B-AABT

ATSAMV71Q21B-AABT - 300MHz ARM Cortex-M7 MCU, 2MB Flash | Microchip

The Microchip ATSAMV71Q21B-AABT is a high-performance 32-bit ARM Cortex-M7 microcontroller with FPU, operating at up to 300 MHz and featuring 2 MB of Flash memory and 384 KB of SRAM in a 144-pin LQFP package (20x20 mm). It is a member of the SAM V71 family targeting automotive and industrial applications with rich connectivity including CAN-FD, Ethernet, USB, and high-speed serial interfaces. The part suffix "B" denotes the silicon revision, "AAB" specifies the 144-LQFP package and automotive grade, and "T" indicates tape-and-reel packaging. A Cortex-M7 microcontroller is a 32-bit RISC processor core designed for high-performance embedded applications with deterministic real-time behavior. The Cortex-M7 includes a double-precision floating-point unit (FPU), DSP extensions, and a tightly-coupled memory subsystem that delivers single-cycle access to Flash and SRAM. Within Microchip's portfolio, the SAM V71 family sits between the Cortex-M4-based SAM E70/S70 family and higher-end Cortex-M7 parts, sharing the SAME70/SAMS70 peripheral set while adding higher core frequency and larger memory configurations for graphics, audio, and motor-control applications. Key features include 300 MHz core clock, 2 MB Flash, 384 KB SRAM, dual CAN-FD controllers, 10/100 Mbps Ethernet MAC with IEEE 1588 support, USB 2.0 High-Speed with PHY, three CAN-FD interfaces, four UART/USART, three I2C, three SPI/I2S, an integrated TFT LCD controller with 2D graphics accelerator (GFX), 12-bit ADC up to 2 Msps, and a 32-bit timer/counter block. The device supports embedded trace (ETM) and is supported by MPLAB X IDE, MPLAB Harmony 3, and Atmel Studio. Architecturally, the ATSAMV71Q21B uses a Harvard-cache architecture with 16 KB I-cache and 16 KB D-cache, branch prediction, and a memory protection unit (MPU). The graphics accelerator (GLCDC) supports up to XGA (1024x768) panels and provides hardware alpha-blending, making it suitable for HMI applications. The dual CAN-FD controllers comply with ISO 11898-1:2015 and support up to 8 Mbps data rates for next-generation automotive networks. Typical applications include automotive body and chassis ECUs, industrial HMI panels, machine-vision edge nodes, audio processing systems, motor-control drives with field-oriented control (FOC), and graphics-rich IoT gateways. The automotive-grade temperature range (-40C to +105C) and AEC-Q100 qualification make the device suitable for safety-critical in-cabin systems. When designing with this MCU, ensure your linker scripts and startup files match the silicon revision (B). The SAM V71 family shares peripherals with SAM E70/S70, allowing firmware migration with minimal changes. For graphics applications, configure the GLCDC for the target display timing and use the 2D accelerator (GFX) to offload GUI rendering from the CPU. This page synthesizes distributor pricing, AEC-Q100 qualified drop-in alternatives (including SAM E70 variants and SAMS70 variants), and design notes not found in the manufacturer datasheet, helping engineers rapidly select and source the right part for their application.

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ATTINY13A-SSU - 8-Bit AVR MCU, 1KB Flash, 20MHz | Microchip
ATTINY13A-SSU

ATTINY13A-SSU - 8-Bit AVR MCU, 1KB Flash, 20MHz | Microchip

The Microchip Technology ATTINY13A-SSU is an 8-bit AVR RISC-based microcontroller featuring 1 KB of in-system programmable Flash, 64 bytes of EEPROM, 64 bytes of SRAM, a 32-byte register file, and a 4-channel 10-bit A/D converter, housed in an 8-pin SOIC (SO-8) package. The device operates across a 1.8 V to 5.5 V supply range and achieves up to 20 MIPS throughput at a 20 MHz clock, letting designers trade power consumption for processing speed on the fly. A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile memory (Flash/ROM), volatile working memory (SRAM), and a configurable set of peripherals such as timers, ADCs, and digital I/O onto one IC. MCUs form the lowest tier of embedded computing, sitting beneath microprocessors (MPUs) and application processors in capability but above fixed-function logic ICs in flexibility. The AVR family places a RISC-style load/store CPU core next to tightly-coupled peripherals, and the tinyAVR sub-family scales this architecture into the smallest 8-pin parts for cost- and space-sensitive designs. Key features include hardware multipliers-free single-cycle execution, a debugWIRE on-chip debug interface, an analog comparator, a programmable watchdog timer with separate on-chip oscillator, and two PWM-capable 8-bit timers plus one high-speed timer. The picoPower technology extends battery life through multiple sleep modes that drop active current to the microamp range. Six general-purpose I/O lines are available on the SO-8 footprint, with PB5 serving as the reset pin and supporting in-circuit serial programming. Architecturally, the ATTINY13A-SSU fuses an enhanced RISC core (90+ instructions, most single-cycle) with a Harvard-style memory layout that lets the CPU fetch instructions from Flash while data accesses hit SRAM in the same cycle. The peripheral set is selected for analog and digital mixed-signal chores: a 10-bit successive-approximation ADC with four input channels, a programmable analog comparator, and dedicated timer/counter blocks with PWM output match units for switching tasks. Typical applications include LED drivers, battery chargers, small motor controls, remote control transmitters, simple sensor nodes, and wearable accessories where board area and quiescent current are constrained. The wide 1.8 V to 5.5 V range lets a single design migrate between single-cell lithium and 3.3 V or 5 V system rails without hardware changes. When laying out a board, place the decoupling capacitor (typically 100 nF) within a few millimetres of the VCC pin and route a low-impedance GND pour under the exposed copper area to keep digital switching noise out of the ADC inputs. Ensure the RESET pin (PB5) is pulled high through 10 kohm and accessible to the ISP header so in-circuit programming and debugWIRE debug sessions can be performed without removing the part. This page consolidates distributor pricing, drop-in alternatives, and engineering design notes that complement the manufacturer datasheet to accelerate part selection and PCB bring-up.

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ATTINY1624-SSU - 8-Bit AVR tinyAVR 2 MCU 20MHz 16KB Flash SOIC-14 | Microchip
ATTINY1624-SSU

ATTINY1624-SSU - 8-Bit AVR tinyAVR 2 MCU 20MHz 16KB Flash SOIC-14 | Microchip

The Microchip Technology ATTINY1624-SSU is an 8-bit AVR RISC microcontroller from the tinyAVR 2 family, featuring a hardware multiplier, 20 MHz maximum CPU clock, 16 KB in-system programmable Flash, 2 KB SRAM and 256 bytes of EEPROM, all housed in a 14-pin narrow-body SOIC package rated for industrial temperature (-40C to +85C). The device integrates the modern AVR CPU core with Core Independent Peripherals (CIPs) including event system, configurable custom logic, and 12-bit differential ADC with Programmable Gain Amplifier, enabling mixed-signal designs without external components. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, optimized for low-cost, low-power deterministic embedded control. Within the broader taxonomy, the ATTINY1624 sits under: microcontroller -> 8-bit MCU -> AVR family -> tinyAVR 2 series -> small-package (<=14-pin) variants. It is typically used as the system master in cost-sensitive products where 32-bit processing power is unnecessary but analog and timing peripherals are still required. Key differentiating specifications include: 16 KB Flash organized as 4K x 16-bit words (AVR instructions are 16/32-bit wide), true 1.8V-5.5V single-supply operation, up to 12 MIPS throughput at 20 MHz from internal oscillator, 12-bit differential ADC with up to 16-bit oversampling, and configurable custom logic blocks. The integrated event system allows peripherals to communicate without CPU intervention, reducing active time and average power. Sleep current below 1 uA in Power-Down with RTC running enables long battery life. The ATTINY1624 uses a modified Harvard architecture with a two-stage pipelined 8-bit AVR core. Flash is read in 16-bit words so 16 KB of Flash stores 8K instructions. The peripheral set includes USART, SPI, I2C (TWI), 12-bit ADC, 8-bit DAC reference, analog comparators, timers/counters and PWM channels. The 14-pin SOIC package exposes 12 GPIO with multiplexed peripheral functions. Typical applications include consumer white goods, battery-powered sensor nodes, IoT end-node controllers, LED lighting drivers, simple user interfaces (buttons/cap touch via QTouch), and small appliance control boards. The combination of small footprint, low power, and integrated analog makes it well suited for replacements of legacy ATtiny84/44 designs requiring more memory. When designing with this device, note that the -SSU suffix indicates SOIC-14 industrial-temperature grade; firmware is uploaded via UPDI (one-wire programming/debug) instead of the older ISP/PDI interface used on classic AVRs, so a UPDI programmer or debugger such as MPLAB Snap, PICkit 5, or Atmel-ICE is required. The QTouch library and Atmel START / MPLAB X IDE are supported for peripheral configuration and code generation. This page synthesizes current distributor pricing, drop-in alternatives in the same SOIC-14 footprint, and practical design notes not found in the manufacturer datasheet.

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ATTINY1626-XU - 20MHz 16KB AVR tinyAVR 2 MCU | Microchip
ATTINY1626-XU

ATTINY1626-XU - 20MHz 16KB AVR tinyAVR 2 MCU | Microchip

The Microchip Technology ATTINY1626-XU is an 8-bit AVR RISC microcontroller from the tinyAVR 2 family, delivering up to 20 MHz CPU performance with a hardware multiplier, 16 KB of Flash program memory, 2 KB of SRAM, and 256 bytes of EEPROM in a 20-pin SSOP industrial-grade package rated for -40C to +85C operation. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, non-volatile program memory, and peripherals around an 8-bit data bus. The tinyAVR 2 family sits within Microchip's broader AVR hierarchy (megaAVR / tinyAVR / XMEGA), and the ATtiny1626 belongs to the tinyAVR 2 sub-family designed for compact, low-power, event-driven embedded applications where modest Flash and small pin counts are sufficient. The ATTINY1626-XU suffix encodes the 20-pin SSOP package (X) and industrial temperature grade (U, matte tin lead-free finish). Key features include dual USART, I2C (TWI), and SPI interfaces for serial connectivity; an Event System for inter-peripheral signaling without CPU intervention; advanced digital peripherals such as CCL (Configurable Custom Logic) and ADC with PGA; and flexible low-power sleep modes. The 16 KB Flash allows mid-sized firmware loads, while 2 KB SRAM supports reasonable local data buffering. Operating voltage ranges from 1.8V to 5.5V, enabling direct connection to coin-cell, Li-ion, or 3.3V/5V rails without level translation. Architecturally, the AVR CPU uses a single-cycle RISC instruction set with a 3-stage pipeline delivering roughly 1 MIPS per MHz. The hardware multiplier accelerates integer math, and the Event System routes peripheral triggers directly between blocks, freeing the core for application code. Brown-out detection, watchdog timer, and the 20 MHz internal oscillator reduce external component count. Typical applications include compact IoT sensor nodes, low-power wireless control front-ends, consumer appliance keypads, battery-powered HVAC and smart-home devices, and industrial sensor-conditioning hubs where a 20-pin footprint, 5V tolerance, and modest memory suffice. When designing with this part, evaluate whether 16 KB Flash and 2 KB SRAM are sufficient; if more headroom is needed, the ATtiny1627 (same family, 24-pin) or ATtiny3226 (next-generation, 32 KB Flash) may be more appropriate. Always confirm pinout against the SSOP-20 land pattern before PCB layout. This page synthesizes distributor pricing from DigiKey and Mouser, same-family drop-in alternatives in the SSOP-20 footprint, and practical design notes not consolidated in the manufacturer datasheet.

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ATTINY167-AXD - 8-bit AVR MCU, 16KB Flash, 20MHz, TSSOP-20 | Microchip
ATTINY167-AXD

ATTINY167-AXD - 8-bit AVR MCU, 16KB Flash, 20MHz, TSSOP-20 | Microchip

The Microchip (formerly Atmel) ATTINY167-AXD is an 8-bit AVR RISC-based microcontroller featuring 16KB In-System Programmable Flash, 512B EEPROM, and 512B SRAM, clocked up to 20 MHz, housed in a 20-pin TSSOP package. The device integrates a hardware LIN/UART controller, full-speed USB 2.0 device interface, 16 general-purpose I/O lines, 32 working registers, and a 10-bit ADC, delivering automotive-grade connectivity for embedded LIN nodes and USB peripherals. An 8-bit microcontroller (MCU) is a compact processor that integrates a CPU core, non-volatile program memory, volatile data memory, and peripheral interfaces on a single silicon die. The AVR family uses a modified Harvard architecture with single-cycle instruction execution, making 8-bit MCUs well suited for deterministic, low-power, real-time control tasks. Within the broader semiconductor taxonomy, MCUs belong to the embedded processor category, with 8-bit parts occupying the low-power, cost-sensitive end versus 16-bit and 32-bit MCUs that target higher computational throughput. The ATTINY167-AXD specifically adds automotive bus (LIN) and USB connectivity, a combination rarely found in 8-bit parts, while remaining in a small TSSOP-20 footprint. Key features include 16KB flash (8K x 16 words), 512B EEPROM for non-volatile data, 512B SRAM, hardware LIN 2.0 controller, USB 2.0 full-speed device, 10-bit ADC with up to 11 channels, 8-bit and 16-bit timers with PWM, an enhanced universal serial interface (USI), and a programmable watchdog timer with separate on-chip oscillator. The MCU operates from 1.8V to 5.5V across -40C to +125C (automotive grade), and supports in-system programming via SPI or USB, enabling field firmware upgrades without desoldering. The device uses Microchip's enhanced AVR RISC core executing instructions in a single clock cycle, achieving up to 20 MIPS throughput at 20 MHz. Hardware LIN handling offloads bit timing and checksum generation from the CPU, freeing cycles for application logic. The integrated USB transceiver and dedicated 3.3V regulator simplify USB device designs by eliminating external PHY or LDO components. The TSSOP-20 package balances IO count with a 6.5mm x 4.4mm board footprint, smaller than the SOIC-20 alternative. Typical applications include automotive LIN slave nodes (body controllers, seat modules, mirror controllers, sensor clusters), USB human-interface devices (HID mice, keyboards, custom peripherals), industrial sensor transmitters, and low-cost consumer devices requiring automotive temperature tolerance. The wide operating voltage and temperature range also make it suitable for harsh-environment IoT edge nodes. When designing with this device, prioritize decoupling: place a 100nF ceramic capacitor on each VCC pin within 2mm of the pad, and add a 10uF bulk capacitor near the USB VBUS line. For LIN applications, route the LIN line as a differential pair with the bus pull-up, and add TVS protection such as the NUP2105L. Always configure the fuses for the intended clock source (internal 8 MHz RC vs external crystal) before USB enumeration. This page synthesizes distributor pricing, drop-in compatible alternatives within the TSSOP-20 footprint, and practical automotive design notes not collected on a single manufacturer datasheet page.

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ATTINY20-XU - 12MHz 8-Bit AVR MCU, 2KB Flash | Microchip
ATTINY20-XU

ATTINY20-XU - 12MHz 8-Bit AVR MCU, 2KB Flash | Microchip

The Microchip ATTINY20-XU is a low-power 8-bit AVR RISC microcontroller with a 12 MHz maximum clock, 2 KB of ISP flash memory, 128 bytes of SRAM, and a 14-pin TSSOP package. It provides 12 general-purpose I/O lines and integrates an 8-bit timer/counter with two PWM channels, a 16-bit timer/counter, a 10-bit ADC, and UART, SPI, and TWI serial interfaces. What is an 8-bit AVR microcontroller? An AVR microcontroller is a programmable embedded controller that combines a processor core, nonvolatile program memory, data memory, and peripherals on one semiconductor device. The ATTINY20 belongs to the ATtiny family, a compact branch of 8-bit RISC microcontrollers used for control, sensing, communication, and low-power automation. Its reduced instruction set and integrated peripherals make it suitable for small standalone systems rather than high-compute workloads. The ATTINY20-XU emphasizes compact embedded control with 2 KB of flash and 128 bytes of SRAM. According to the verified Microchip product information, the device uses a high-performance, low-power AVR 8-bit RISC architecture and supports up to 12 MIPS throughput through fully static operation. Its 10-bit ADC enables basic analog measurements, while dual PWM outputs support dimming, speed control, and other waveform-based functions. The TSSOP-14 package keeps the device compatible with surface-mount PCB assembly while exposing the ATtiny20's I/O and power connections. Programming is supported through the device's in-system programming resources, subject to the programming connector, fuse settings, and timing requirements in the Microchip datasheet. The verified distributor listings identify ATTINY20-XU as an industrial-temperature 2.5 V, 3.3 V, and 5 V device. Typical applications include compact sensor nodes, simple motor and actuator controllers, LED dimming, industrial control modules, and low-cost communication peripherals. For analog sensing, the ADC and 12 I/O lines reduce external component count; for motor or LED control, the two PWM channels provide a direct output path. Designers should verify ADC accuracy, timer limits, pin multiplexing, and supply-specific limits in the manufacturer datasheet. For a new design, confirm the exact pinout, fuse configuration, programming interface, clock source, and package dimensions before layout. The XU ordering suffix identifies the verified TSSOP package option, but it does not by itself establish toolchain, lifecycle, or lead-time commitments. This page combines verified product information, sourcing context, application guidance, and replacement considerations beyond a basic distributor listing.

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ATTINY20-XUR - 12MHz 8-Bit AVR MCU, 2KB Flash | Microchip (Tape & Reel)
ATTINY20-XUR

ATTINY20-XUR - 12MHz 8-Bit AVR MCU, 2KB Flash | Microchip (Tape & Reel)

The Microchip ATTINY20-XUR is a low-power 8-bit AVR RISC microcontroller with a 12 MHz maximum clock, 2 KB of ISP flash memory, 128 bytes of SRAM, and a 14-pin TSSOP package. It provides 12 general-purpose I/O lines and integrates an 8-bit timer/counter with two PWM channels, a 16-bit timer/counter, a 10-bit ADC, and UART, SPI, and TWI serial interfaces. What is an 8-bit AVR microcontroller? An AVR microcontroller is a programmable embedded controller that combines a processor core, nonvolatile program memory, data memory, and peripherals on one semiconductor device. The ATTINY20 belongs to the ATtiny family, a compact branch of 8-bit RISC microcontrollers used for control, sensing, communication, and low-power automation. Its reduced instruction set and integrated peripherals make it suitable for small standalone systems rather than high-compute workloads. The ATTINY20-XUR emphasizes compact embedded control with 2 KB of flash and 128 bytes of SRAM. According to the verified Microchip product information, the device uses a high-performance, low-power AVR 8-bit RISC architecture and supports up to 12 MIPS throughput through fully static operation. Its 10-bit ADC enables basic analog measurements, while dual PWM outputs support dimming, speed control, and other waveform-based functions. The TSSOP-14 package keeps the device compatible with surface-mount PCB assembly while exposing the ATtiny20's I/O and power connections. Programming is supported through the device's in-system programming resources, subject to the programming connector, fuse settings, and timing requirements in the Microchip datasheet. The verified distributor listings identify ATTINY20-XUR as an industrial-temperature 2.5 V, 3.3 V, and 5 V device. Typical applications include compact sensor nodes, simple motor and actuator controllers, LED dimming, industrial control modules, and low-cost communication peripherals. For analog sensing, the ADC and 12 I/O lines reduce external component count; for motor or LED control, the two PWM channels provide a direct output path. Designers should verify ADC accuracy, timer limits, pin multiplexing, and supply-specific limits in the manufacturer datasheet. For a new design, confirm the exact pinout, fuse configuration, programming interface, clock source, and package dimensions before layout. The XU ordering suffix identifies the verified TSSOP package option, but it does not by itself establish toolchain, lifecycle, or lead-time commitments. This page combines verified product information, sourcing context, application guidance, and replacement considerations beyond a basic distributor listing.

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