Microcontroladores

Productos (18754)

ATTINY44A-SSU - 4KB Flash 20MHz 8-bit AVR MCU | Microchip
ATTINY44A-SSU

ATTINY44A-SSU - 4KB Flash 20MHz 8-bit AVR MCU | Microchip

The Microchip Technology (formerly Atmel) ATTINY44A-SSU is an 8-bit AVR RISC-based picoPower microcontroller delivering 20 MIPS throughput at 20 MHz, packaged in a 14-pin SOIC (150-mil narrow body, industrial -40C to +85C). It integrates 4 KB of In-System Programmable Flash, 256 bytes EEPROM, 256 bytes SRAM, 12 general-purpose I/O lines, and 32 general-purpose working registers. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), working RAM, and programmable peripherals into one package. The 8-bit AVR RISC architecture is Harvard-based with separate program and data buses, executing most instructions in a single clock cycle. This places the ATTINY44A in the broader hierarchy: microcontroller -> embedded MCU -> semiconductor -> integrated circuit. It belongs to the tinyAVR subfamily, optimized for low pin-count, low-power applications. Key features include a 10-bit ADC with up to 8 channels, two 8-bit timer/counters with PWM, one 16-bit timer/counter with two PWM channels, an internal calibrated 8 MHz oscillator, internal voltage reference, programmable watchdog timer with separate on-chip oscillator, and four software-selectable power-saving modes. The chip operates from 1.8 V to 5.5 V, drawing as little as sub-microamp current in power-down. The AVR core uses single-cycle pipelined execution with a rich instruction set, simplifying C compiler code generation. ISP (In-System Programming) via SPI and debugWIRE on-chip debug eliminate the need for an external programmer port, while the peripheral touch controller supports capacitive sensing buttons for HMI. Typical applications include battery-powered sensor nodes, LED light controllers, remote controls, low-cost motor control, consumer appliances, and IoT edge devices. The wide voltage range and deep sleep modes make it suitable for energy-harvesting designs. Designers should configure unused pins as inputs with internal pull-ups enabled to minimize sleep current and prevent floating-node noise coupling into the analog ADC inputs. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that are not consolidated in the manufacturer datasheet.

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ATTINY48-AU - 12MHz 8-Bit AVR MCU | Microchip
ATTINY48-AU

ATTINY48-AU - 12MHz 8-Bit AVR MCU | Microchip

The Microchip ATTINY48-AU is an 8-bit AVR RISC-based microcontroller with a 12 MHz maximum clock, 4 KB of in-system programmable Flash, 64 bytes of EEPROM, and 256 bytes of SRAM, housed in a 32-TQFP 7 mm × 7 mm package. According to the verified Microchip product page, it operates from 1.8 V to 5.5 V and achieves up to 12 MIPS throughput at 12 MHz. A microcontroller is a programmable system-on-chip that executes firmware, reads inputs, controls outputs, and manages embedded-system timing. The ATTINY48 belongs to the ATtiny family of 8-bit AVR microcontrollers, within the broader embedded-processing and semiconductor hierarchy. Its picoPower architecture targets efficient low-voltage operation in compact control products. The verified device data identifies 8-bit and 16-bit timer/counters, a 16-bit timer/counter with PWM, a 10-bit analog-to-digital converter, SPI, and debugWIRE on-chip debugging. These peripherals support motor and LED control, sensor acquisition, serial communication, and firmware debugging without requiring separate components for each function. The manufacturer product page specifically lists 4 KB of ISP Flash, 64 B EEPROM, and 256 B SRAM for the ATtiny48 family. Typical applications include compact industrial controls, sensor interfaces, LED and motor-control nodes, low-voltage embedded modules, and small consumer devices. The 1.8 V to 5.5 V operating range allows integration across common low-voltage systems, while the 32-TQFP package supports surface-mount manufacturing. Designers should preserve the ATtiny48 pin assignments, power requirements, programming interface, and clock configuration when creating a PCB footprint. Because the supplied verified data does not expose a complete manufacturer pinout table, individual pin names are not asserted here. Verify the package drawing and datasheet before final layout release.

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ATTINY48-MU - 4KB 12MHz AVR MCU | Microchip Technology
ATTINY48-MU

ATTINY48-MU - 4KB 12MHz AVR MCU | Microchip Technology

The Microchip Technology ATTINY48-MU is a low-power picoPower 8-bit AVR RISC microcontroller with 4 KB of in-system programmable Flash, 64 B of EEPROM, 256 B of SRAM, and a maximum clock frequency of 12 MHz, housed in a 32-VQFN package measuring 5 x 5 mm. A microcontroller is a programmable semiconductor that integrates a CPU core, memory, timers, communication interfaces, and analog peripherals on one integrated circuit. In the broader hierarchy, the ATTINY48 belongs to the AVR enhanced RISC family of 8-bit embedded microcontrollers, with features suitable for compact control, sensing, and communications designs. Its 1.8 V to 5.5 V operating range supports both low-voltage and conventional 5 V systems. The device provides up to 12 MIPS throughput at 12 MHz and executes powerful instructions in a single clock cycle. Integrated resources include an 8-bit timer/counter, a 16-bit timer/counter with PWM, a 10-bit analog-to-digital converter, SPI, and debugWIRE for on-chip debugging. The 4 KB Flash memory is organized as 2K x 16 according to the verified distributor data, while the 64 B EEPROM preserves nonvolatile data and the 256 B SRAM supports working memory. The ATTINY48-MU combines an 8-bit RISC core with multiple mixed-signal peripherals in a compact 32-pin surface-mount package. Its picoPower architecture targets low-power embedded operation, making clocking, peripheral shutdown, and sleep-mode planning important during firmware development. The 10-bit ADC supports analog measurement, while SPI supports communication with sensors, displays, memory, and other digital peripherals. Typical applications include low-power sensor nodes, industrial control modules, compact motor controllers, metering equipment, simple communication hubs, and embedded automation. The 12 MHz operating point is useful when firmware requires more timing headroom than a low-clock microcontroller while retaining a modest 8-bit processing footprint. The 5 x 5 mm VQFN package also supports dense board layouts where reduced footprint and careful exposed-pad thermal management are priorities. For new layouts, follow the manufacturer package and pin-assignment documentation exactly, connect the exposed pad to the intended thermal and electrical plane, and validate the power, decoupling, programming, and debug interfaces before layout release. Firmware should also verify analog reference, timer prescaling, peripheral clock gating, and unused-pin states. This page combines verified product, distributor, application, and design information to support component selection without treating unverified alternatives as drop-in replacements.

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ATTINY48-PU - 4KB, 12MHz 8-Bit AVR MCU | Microchip
ATTINY48-PU

ATTINY48-PU - 4KB, 12MHz 8-Bit AVR MCU | Microchip

The Microchip ATTINY48-PU is a low-power 8-bit AVR microcontroller with a 12 MHz maximum clock, 4 KB of in-system programmable Flash memory, and a 28-pin PDIP package. It operates from a 1.8 V to 5.5 V supply, making it suitable for embedded controls, sensor interfaces, and compact low-voltage products. The AVR enhanced RISC architecture executes instructions in a single clock cycle and supports throughput approaching 1 MIPS per MHz. A microcontroller is a programmable semiconductor that integrates a CPU core, Flash program memory, data memory, I/O ports, and peripherals on one chip. The ATTINY48 belongs to the ATtiny AVR family, a low-power 8-bit microcontroller family commonly used for cost-sensitive embedded control. Its integrated peripherals allow a design to replace separate logic devices, timers, and interface components when processing requirements are modest. The ATTINY48-PU provides 4 KB of In-System Programmable Flash memory organized as 2K × 16 words, plus 256 bytes of SRAM and 64 bytes of EEPROM according to the supplied comparison source. It includes I2C and SPI connectivity, timer and PWM resources, and a 12 MHz operating speed. The 1.8 V to 5.5 V supply range supports operation across common embedded supply domains while allowing lower-voltage designs to reduce power consumption. The 28-pin PDIP package provides a through-hole format suitable for prototypes, educational projects, and manually assembled boards. Its larger lead spacing is easier to access with a breadboard or through-hole PCB than a fine-pitch surface-mount package. The tradeoff is greater board area compared with a surface-mount MCU, so the package is usually favored where assembly convenience matters more than minimum footprint. Typical uses include sensor nodes, simple motor or actuator controllers, LED status indicators, low-cost instrumentation, and embedded interface modules. The 12 MHz clock provides ample timing resolution for many control loops, while the 4 KB Flash limit requires careful firmware sizing. Applications requiring substantially more code, RAM, or high-speed processing should use a larger AVR or another microcontroller family. When laying out a design, place decoupling capacitors close to the supply pins and route programming, reset, and clock signals away from noisy switching nodes. Confirm the device’s pin functions, operating voltage, and programming requirements against the manufacturer datasheet before layout release. This page consolidates distributor sourcing data, package information, application guidance, and verified replacement limitations.

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ATTINY5-MAH - 12MHz 512B AVR Microcontroller | Microchip
ATTINY5-MAH

ATTINY5-MAH - 12MHz 512B AVR Microcontroller | Microchip

The Microchip Technology ATTINY5-MAH is an 8-bit AVR RISC-based CMOS microcontroller with a 12 MHz maximum core speed, 512 bytes of Flash program memory, 32 bytes of SRAM, and four general-purpose I/O lines in an 8-UDFN USON package. According to the verified product data, it is designed for compact embedded control and low-power applications where an 8-bit controller, timer, PWM, watchdog, and brown-out reset are sufficient. An AVR microcontroller is a small RISC-based embedded controller used to read inputs, execute firmware, and drive outputs in compact electronic systems. The ATTINY5 belongs to the TinyAVR family, combining a processor core, Flash memory, SRAM, registers, timers, and I/O in one integrated device. Its small package and modest memory footprint make it useful for dedicated control functions rather than general-purpose computing. Verified features include 512 bytes of Flash memory organized as 256 x 16 bits, 32 bytes of SRAM, four I/O pins, a 16-bit timer/counter with two PWM channels, 16 general-purpose working registers, power-on reset, watchdog timer, and PWM support. The verified distributor listing identifies a 12 MHz core and a 1.8 V to 5.5 V supply range. The ATTINY5-MAH uses the AVR architecture and an 8-UDFN package with an exposed pad according to the supplied product listings. The exposed-pad construction and limited pin count demand careful PCB layout, thermal-pad soldering, and signal-routing attention. The device is suitable for simple motor, lighting, sensor, and low-cost control products where firmware fits within the available memory. Typical uses include small motor controllers, LED drivers, sensor nodes, simple keypads, and compact consumer accessories. Its 12 MHz speed provides useful timing headroom, while four I/O lines constrain designs that need more external signals. A designer should verify package-specific pin mapping and programming requirements against the manufacturer datasheet before layout release. This page consolidates the verified distributor specifications, sourcing information, package identity, and design constraints into an engineering reference. Pricing, availability, lifecycle status, and detailed electrical limits should be reconfirmed with the manufacturer or authorized distributor before production procurement.

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ATTINY816-MZT-VAO - 16MHz 8-bit AVR MCU, 8KB Flash, QFN-20 | Microchip
ATTINY816-MZT-VAO

ATTINY816-MZT-VAO - 16MHz 8-bit AVR MCU, 8KB Flash, QFN-20 | Microchip

The Microchip ATTINY816-MZT-VAO is an 8-bit AVR RISC microcontroller in the tinyAVR 1-series, offering up to 16 MHz CPU performance, 8 KB of in-system programmable Flash, 512 bytes of SRAM, and 128 bytes of EEPROM, housed in a 20-pin VQFN (3x3 mm) package with wettable flanks. It supports supply voltages from 2.7V to 5.5V, provides 18 programmable I/O lines, and integrates a 10-bit ADC plus a DAC, all qualified to AEC-Q100 automotive grade 1 with a -40C to +125C operating temperature range. What is an 8-bit AVR microcontroller? An 8-bit AVR microcontroller is a Harvard-architecture RISC processor core originally developed by Atmel (now Microchip) that executes one instruction per clock cycle, delivering deterministic performance at modest clock rates and very low power consumption. Within the broader hierarchy, the ATTINY816 belongs to the tinyAVR 1-series (sub-family: ATtiny 0/1-series), which sits inside the ATtiny family, under the broader AVR MCU umbrella, which is itself part of the larger microcontroller (MCU) category of embedded processors. The tinyAVR 1-series adds modern Core Independent Peripherals (CIPs) such as Configurable Custom Logic (CCL), Event System, and Analog Signal Conditioning on top of the classic AVR core. Key features of the ATTINY816 include 16 KB of ROM-less code execution from Flash, hardware multiplier, six flexible PWM channels via TCA/TCB timers, two USART, one SPI, one I2C, a 10-bit 188 ksps ADC with up to 12 input channels, and a 10-bit DAC. Functional Safety (FuSa) support and Core Independent Peripherals simplify safety-critical designs by offloading tasks from the CPU. The device is built on a low-power CMOS process and offers multiple sleep modes (idle, standby, power-down with RTC) with typical active current in the microamp range, making it suitable for always-on battery-powered applications. The 20-VQFN package with wettable flanks enables automated optical inspection (AOI) post-reflow - critical for automotive-grade PCB assembly. Typical applications include automotive body controllers, sensor nodes, LIN slaves, LED lighting controllers, smart sensors, consumer appliances, and industrial IoT edge nodes. The wide automotive temperature range and AEC-Q100 qualification make it equally suited to under-hood and cabin modules. When designing with this device, ensure decoupling capacitors are placed within 2 mm of the VDD pin and follow Microchip's AVR instruction-set and toolchain (MPLAB X IDE, Atmel Studio, AVR-GCC) for code generation. The QFN package requires thermal pad soldering - refer to the package land pattern for proper footprint design. This page synthesizes distributor pricing, AEC-Q100 qualification status, and cross-reference drop-in alternatives not consolidated in the manufacturer datasheet alone.

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ATTINY816-SN - 8-bit AVR tinyAVR 1 MCU, 20MHz, 8KB Flash, 20-SOIC | Microchip
ATTINY816-SN

ATTINY816-SN - 8-bit AVR tinyAVR 1 MCU, 20MHz, 8KB Flash, 20-SOIC | Microchip

The Microchip Technology ATTINY816-SN is an 8-bit AVR tinyAVR 1-series microcontroller with a hardware multiplier, running at up to 20 MHz, with 8 KB Flash, 512 bytes SRAM, and 128 bytes EEPROM in a 20-pin SOIC package. It is qualified for functional safety (FuSa) applications and supports industrial temperature operation up to +105C. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, non-volatile program memory (Flash), EEPROM, and a set of peripherals on one die. The AVR family uses a modified Harvard RISC architecture with single-cycle instructions and a fetch-decode-execute pipeline tuned for predictable low-latency I/O control. tinyAVR 1-series devices sit at the entry-level of Microchip's 8-bit portfolio and target cost-sensitive, small-footprint designs that still demand on-chip analog and timing peripherals. Above tinyAVR in the hierarchy are megaAVR (more pins and memory), XMEGA (high-performance 8-bit), and 32-bit PIC and SAM families. Key features of the ATTINY816 include 20 MHz maximum clock, 6-channel 10-bit ADC, configurable custom logic, 16-bit timer/counter with PWM, and the Event System for hardware-triggered peripheral actions without CPU involvement. Core Independent Peripherals (CIPs) such as the Configurable Custom Logic (CCL) and analog comparators let timing-critical functions run autonomously, freeing the CPU for application code. The picoPower technology extends sleep-mode current to the microampere range, enabling battery-powered sensors and remote controls. Architecturally, the device pairs an AVR CPU with a fast interrupt controller and the Event System interconnect, allowing peripherals to be chained without software. The 8 KB Flash is in-system programmable via UPDI (Unified Program and Debug Interface), a single-wire protocol that replaces the older ISP/PDI split. The 20-SOIC package is the SN variant's hallmark, providing a 7.5 mm body width that is easy to hand-prototype and machine-assemble. Typical applications include consumer appliances, LED lighting controls, sensor nodes, IoT edge devices, capacitive touch user interfaces, and small motor control loops. The +105C industrial temperature rating also opens it to building automation and HVAC peripherals. When migrating code, vertical pin-compatibility with the ATtiny416 (4 KB Flash) and ATtiny1616 (16 KB Flash) within the same 20-pin SOIC footprint lets designers scale memory without re-laying out the PCB. Designers should evaluate SleepWalking and Event System usage early, as these features let the CPU stay in deep sleep while peripherals service interrupts, dramatically reducing average current. For applications that later require USB or more memory, consider the ATtiny1626-XU (in the Site MPN list) which is the next-generation tinyAVR 2 option. This page synthesizes verified distributor pricing, pin-compatible alternatives, and practical design notes not consolidated on any single vendor page.

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ATTINY816-SNR - 8-bit AVR MCU 20MHz 8KB Flash 20-SOIC | Microchip
ATTINY816-SNR

ATTINY816-SNR - 8-bit AVR MCU 20MHz 8KB Flash 20-SOIC | Microchip

The Microchip Technology ATTINY816-SNR is a member of the tinyAVR 1-series of 8-bit AVR RISC microcontrollers, featuring an AVR processor with hardware multiplier running at up to 20 MHz, with 8 KB of Flash, 512 bytes of SRAM, and 128 bytes of EEPROM in a 20-pin SOIC package. The device integrates Functional Safety (FuSa) features and Core Independent Peripherals (CIPs) that allow tasks such as sensor interfacing, signal conditioning, and actuator control to run without CPU intervention, dramatically reducing code complexity and power consumption. An 8-bit microcontroller (MCU) is a small, self-contained computing system on a single integrated circuit that integrates a CPU, RAM, non-volatile program memory, and a rich set of peripheral interfaces. Within the broader taxonomy, the ATTINY816 belongs to the tinyAVR subfamily of AVR RISC microcontrollers -> 8-bit MCU family -> microcontroller -> embedded IC -> semiconductor. The "tiny" prefix denotes the lowest-pin-count, lowest-power tier of the AVR family, typically used where cost, board area, and battery life dominate over raw processing throughput. Key features of the ATTINY816-SNR include the Event System and SleepWalking peripherals for ultra-low-power autonomous operation, a Peripheral Touch Controller (PTC) supporting capacitive touch sensing, a 10-bit ADC, configurable custom logic, and a 16-bit timer with three compare channels. The 20 MHz maximum clock, 8 KB self-programmable Flash, and 512 B SRAM support modest control loops and communication stacks including I2C, SPI, and UART. Architecture-wise, the part uses the modern tinyAVR 1-series core which adds a hardware multiplier (single-cycle 8x8 multiply), a more deterministic interrupt controller, and improved low-power modes versus legacy ATtiny parts. The integrated 20 MHz internal oscillator eliminates the need for an external crystal in most applications, saving two PCB pins and BOM cost. Typical applications include capacitive touch user interfaces, LED lighting controllers, low-power IoT sensor nodes, consumer appliances, battery-powered toys, and functional-safety-relevant embedded systems. The wide 1.8V to 5.5V supply range allows direct operation from a single Li-ion cell or from 3.3V/5V digital rails. Design consideration: vertical migration within the tinyAVR 1-series (ATtiny416, ATtiny816, ATtiny1614, ATtiny3216) is pin-compatible, so a PCB designed for ATtiny816 will accept larger-Flash siblings without layout changes. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing information gain beyond what DigiKey, Mouser, and Octopart offer individually.

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ATTINY85-20PU - 20MHz 8-Bit AVR MCU | Microchip Technology
ATTINY85-20PU

ATTINY85-20PU - 20MHz 8-Bit AVR MCU | Microchip Technology

The Microchip Technology ATTINY85-20PU is a low-power CMOS 8-bit AVR enhanced RISC microcontroller rated for 20 MHz operation, with 8 KB of in-system programmable Flash, 512 bytes of EEPROM, and 512 bytes of SRAM in an 8-pin through-hole DIP package. The supplied distributor data also identifies a 4-channel 10-bit ADC and six I/O pins. An 8-bit microcontroller is a compact programmable controller that executes firmware to read sensors, control actuators, sequence power systems, and manage communication interfaces. The ATtiny85 belongs to Microchip's ATtiny family and uses the AVR architecture, combining small instruction-level complexity with integrated Flash, EEPROM, SRAM, timers, serial interfaces, and analog conversion functions. The ATTINY85-20PU's principal verified characteristics include an 8 KB Flash program memory organized as 4K x 16, 0.512 KB EEPROM, a 20 MHz maximum clock, six I/O pins, and a 2.7 V to 5.5 V supply range reported in the cross-reference data. Its in-system programmability supports programming and updating without removing the device from a finished assembly. The device is appropriate when a design needs more processing capability than the smallest ATtiny devices but very little board area, cost, and energy use. Its 8-pin DIP format is particularly useful for prototyping, repairable assemblies, and through-hole industrial controls where manual insertion and socketed replacement are advantageous. Typical uses include compact sensor nodes, LED lighting controls, battery-powered timers, small motor controls, fan controllers, and simple SPI or I2C peripherals. Designers must still budget the limited 8 KB program memory, 512-byte SRAM, and six I/O pins when selecting it for a new application. Keep bypass capacitance close to the supply pins and route high-current outputs away from sensitive analog inputs. Although the package supports external clocking, the exact oscillator, reset, programming, and unused-pin requirements must be taken from the current manufacturer datasheet before layout release. This page consolidates verified distributor specifications, package information, sourcing links, application guidance, and the limits of the available substitute data. It distinguishes confirmed facts from parameters that still require direct verification rather than presenting unsupported drop-in replacements as equivalent devices.

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ATTINY85-20SU - 8-Bit 20MHz AVR MCU | Microchip
ATTINY85-20SU

ATTINY85-20SU - 8-Bit 20MHz AVR MCU | Microchip

The Microchip ATTINY85-20SU is an 8-bit AVR RISC microcontroller rated at 20 MHz, with 8 KB of in-system programmable flash, 512 bytes of EEPROM, and 512 bytes of SRAM in an 8-pin SOIC package. The device also provides six general-purpose I/O lines and an integrated ADC, making it suitable for compact embedded-control, sensing, and low-power automation designs. A microcontroller is a programmable semiconductor that integrates a CPU core, nonvolatile program memory, data memory, and peripherals on one device. The ATTINY85 belongs to the TinyAVR hierarchy: it is a low-power CMOS 8-bit microcontroller built around the AVR enhanced RISC architecture. Its small memory footprint and compact package are useful when the application requires local control without a larger processor or external memory. Key verified features include 8 KB flash organized as 4K × 16, 512 bytes of EEPROM, 512 bytes of SRAM, six general-purpose I/O lines, 20 MHz operation, and an integrated 10-bit ADC according to the distributor and manufacturer-linked sources. The device also supports ISP programming, making firmware updates possible through the serial programming interface. Its 8-SOIC package is surface-mount and suitable for compact PCB layouts. The ATTINY85 architecture is designed for simple control tasks that combine digital inputs, ADC measurements, timer activity, and PWM generation. Its 32 general-purpose working registers and one 8-bit timer/counter with compare modes support efficient small firmware routines. The verified data identifies the part as a functional-safety-related Microcontroller IC, although detailed safety certification parameters were not provided and should be confirmed from the manufacturer datasheet before safety-critical use. Typical applications include battery-powered sensor nodes, compact motor-control interfaces, LED and indicator controllers, simple analog measurement systems, small consumer products, and compact industrial control modules. The six I/O lines are sufficient for small mixed-signal systems when pin multiplexing is carefully planned. The ADC allows analog inputs to be digitized without a separate converter, although the verified source set does not provide its full electrical limits. A key design consideration is memory planning. Firmware must fit within the verified 8 KB flash capacity, while initialized data and stack usage must remain within 512 bytes of SRAM. For battery-powered designs, use the low-power operating modes and avoid leaving unused I/O pins in undefined states. Confirm voltage, clock, ADC accuracy, and absolute maximum ratings from the current Microchip datasheet before releasing a production design. This page combines verified distributor specifications, source traceability, application guidance, and replacement constraints to help engineers evaluate the ATTINY85-20SU beyond a basic catalog listing. It emphasizes what is confirmed from the supplied data and clearly separates missing electrical details from verified facts.

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ATTINY87-MU - 8-Bit 16MHz AVR MCU with LIN | Microchip
ATTINY87-MU

ATTINY87-MU - 8-Bit 16MHz AVR MCU with LIN | Microchip

The Microchip ATTINY87-MU is an 8-bit AVR RISC microcontroller with an operating frequency of 16 MHz, 8 KB of in-system programmable flash memory, and a 32-pin VQFN package measuring 5 mm by 5 mm. It includes 512 B of EEPROM, 512 B of SRAM, 16 general-purpose I/O lines, 32 working registers, and an 8-bit timer/counter with compare modes. The device also provides an LIN controller. An 8-bit microcontroller is a compact embedded controller used to read inputs, execute programmed logic, and control outputs in products such as automotive body modules, communication equipment, and industrial controls. The ATTINY87 belongs to the AVR family of 8-bit RISC-based microcontrollers and combines low-power operation, in-system programmability, timers, serial interfaces, and analog-control resources in one integrated circuit. Verified device features include 8 KB of ISP flash memory, 512 B of EEPROM, 512 B of SRAM, 16 general-purpose I/O lines, 32 general-purpose working registers, an 8-bit timer/counter with compare modes, and an 8-bit timer/counter. The 16 MHz operating frequency supports deterministic control-loop execution, while the integrated LIN controller makes the device suitable for local vehicle or industrial communication networks. The ATTINY87-MU is identified by the MU package suffix and is supplied in a 32-pin VQFN with an exposed pad according to the Arrow listing. The exposed thermal and electrical pad must be connected according to the manufacturer package guidance. Because the device is a compact surface-mount microcontroller, PCB layout, programming access, decoupling, and exposed-pad handling determine whether the expected performance is achieved. Typical applications include LIN-connected automotive modules, body-control and interface electronics, low-speed serial communication, sensor conditioning, actuator control, and compact embedded control boards. The 8 KB flash capacity is appropriate for small control firmware, while the SRAM and EEPROM support working state and nonvolatile configuration data. When designing around the ATTINY87-MU, verify the exact electrical limits, pin names, programming interface, clock configuration, and package recommendations against the current Microchip datasheet. Use the exposed pad as specified by the package design, place decoupling close to the supply pins, and confirm that the PCB footprint matches the 32-pin VQFN 5 mm by 5 mm package. This page combines verified product-page data, distributor availability information, and application guidance for engineers evaluating the ATTINY87-MU.

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ATTINY87-SU - 16MHz 8KB AVR MCU with LIN | Microchip
ATTINY87-SU

ATTINY87-SU - 16MHz 8KB AVR MCU with LIN | Microchip

The Microchip Technology ATTINY87-SU is an 8-bit AVR RISC-based microcontroller with a 16 MHz clock, 8 KB of in-system programmable Flash memory, and a 20-pin SOIC package. It provides 16 general-purpose I/O lines, 512 bytes of SRAM, and 512 bytes of EEPROM, making it suitable for compact embedded control, LIN-connected nodes, and low-power peripheral designs. The verified distributor listing identifies the device as the ATTINY87-SU, while the manufacturer describes the ATtiny87 family as a high-performance, low-power 8-bit AVR microcontroller. An 8-bit AVR microcontroller is a compact embedded-processing semiconductor that combines a CPU core, Flash program memory, SRAM, EEPROM, general-purpose I/O, and on-chip peripherals in one device. Within the product hierarchy, ATTINY87-SU belongs to the AVR family, ATtiny microcontrollers, microcontrollers, and integrated circuits. Its in-system programmability supports programming and reprogramming through the device programming interface, while the 16 MHz operating frequency provides a practical balance between processing throughput, power consumption, and peripheral timing. The key verified features are 8 KB Flash memory, 512 bytes of EEPROM, 512 bytes of SRAM, 16 general-purpose I/O lines, 16 MHz operation, and integrated connectivity identified by the verified comparison listing as I2C, LIN bus, SPI, and UART. The device is also identified as using 32 general-purpose working registers and an 8-bit timer/counter with compare modes. These resources are appropriate for embedded products that need deterministic control, serial communication, modest data storage, and a modest number of external connections. The ATTINY87-SU is especially relevant to LIN-connected automotive and transportation control modules, sensor nodes, actuator controllers, small industrial interfaces, and low-cost embedded automation products. Its 20-pin SOIC package supports conventional surface-mount assembly, while the 16 I/O lines allow the device to manage multiple discrete inputs and outputs. Compared with larger MCUs, the ATTINY87-SU emphasizes compactness and low power rather than high processing throughput or large memory capacity. Designers should verify the exact pin assignments, clock configuration, programming interface, and peripheral multiplexing against the Microchip ATtiny87 documentation before PCB release. Pay particular attention to the 20-pin SOIC footprint, power and ground connections, exposed communication pins, and the supply-voltage limits specified by the manufacturer datasheet. The verified source does not provide complete electrical limits, temperature ratings, or a complete pin table, so those details require datasheet confirmation. This page combines verified distributor specifications, manufacturer-family information, package details, sourcing references, and practical selection guidance for engineers evaluating the ATTINY87-SU. It is intended to help identify the correct AVR MCU, compare it with related devices, and plan a board-level design without assuming unverified electrical or package details.

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ATTINY87-SUR - 16MHz 8KB AVR MCU with LIN | Microchip (Tape & Reel)
ATTINY87-SUR

ATTINY87-SUR - 16MHz 8KB AVR MCU with LIN | Microchip (Tape & Reel)

The Microchip Technology ATTINY87-SUR is an 8-bit AVR RISC-based microcontroller with a 16 MHz clock, 8 KB of in-system programmable Flash memory, and a 20-pin SOIC package. It provides 16 general-purpose I/O lines, 512 bytes of SRAM, and 512 bytes of EEPROM, making it suitable for compact embedded control, LIN-connected nodes, and low-power peripheral designs. The verified distributor listing identifies the device as the ATTINY87-SUR, while the manufacturer describes the ATtiny87 family as a high-performance, low-power 8-bit AVR microcontroller. An 8-bit AVR microcontroller is a compact embedded-processing semiconductor that combines a CPU core, Flash program memory, SRAM, EEPROM, general-purpose I/O, and on-chip peripherals in one device. Within the product hierarchy, ATTINY87-SUR belongs to the AVR family, ATtiny microcontrollers, microcontrollers, and integrated circuits. Its in-system programmability supports programming and reprogramming through the device programming interface, while the 16 MHz operating frequency provides a practical balance between processing throughput, power consumption, and peripheral timing. The key verified features are 8 KB Flash memory, 512 bytes of EEPROM, 512 bytes of SRAM, 16 general-purpose I/O lines, 16 MHz operation, and integrated connectivity identified by the verified comparison listing as I2C, LIN bus, SPI, and UART. The device is also identified as using 32 general-purpose working registers and an 8-bit timer/counter with compare modes. These resources are appropriate for embedded products that need deterministic control, serial communication, modest data storage, and a modest number of external connections. The ATTINY87-SUR is especially relevant to LIN-connected automotive and transportation control modules, sensor nodes, actuator controllers, small industrial interfaces, and low-cost embedded automation products. Its 20-pin SOIC package supports conventional surface-mount assembly, while the 16 I/O lines allow the device to manage multiple discrete inputs and outputs. Compared with larger MCUs, the ATTINY87-SUR emphasizes compactness and low power rather than high processing throughput or large memory capacity. Designers should verify the exact pin assignments, clock configuration, programming interface, and peripheral multiplexing against the Microchip ATtiny87 documentation before PCB release. Pay particular attention to the 20-pin SOIC footprint, power and ground connections, exposed communication pins, and the supply-voltage limits specified by the manufacturer datasheet. The verified source does not provide complete electrical limits, temperature ratings, or a complete pin table, so those details require datasheet confirmation. This page combines verified distributor specifications, manufacturer-family information, package details, sourcing references, and practical selection guidance for engineers evaluating the ATTINY87-SUR. It is intended to help identify the correct AVR MCU, compare it with related devices, and plan a board-level design without assuming unverified electrical or package details.

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ATTINY87-XU - 16MHz 8-Bit AVR with LIN | Microchip
ATTINY87-XU

ATTINY87-XU - 16MHz 8-Bit AVR with LIN | Microchip

The Microchip Technology ATTINY87-XU is a low-power, 8-bit AVR RISC microcontroller with 8 KB of ISP Flash memory, 512 B of EEPROM, 512 B of SRAM, 16 general-purpose I/O lines, and a 16 MHz operating speed. The device includes an on-chip LIN controller and is supplied in a 20-pin TSSOP package. Its combination of compact memory, serial connectivity, and 16 I/O lines makes it suitable for embedded control, automotive accessories, sensor nodes, and small actuator systems. An 8-bit AVR microcontroller is a compact embedded processor in the hierarchy of microcontrollers, embedded processors, and semiconductor control devices. The AVR architecture uses a RISC instruction set and general-purpose working registers to execute control and communication firmware efficiently. ATTINY87-XU belongs to the ATtiny family and targets designs that need more connectivity than a basic minimal AVR while retaining a small 20-pin surface-mount footprint. Verified device features include 8 KB of In-System Programmable Flash, 512 B of nonvolatile EEPROM, 512 B of SRAM, 32 8-bit general-purpose working registers, an 8-bit timer/counter with compare modes, and 16 I/O lines. The manufacturer describes 123 powerful instructions, with most completing in a single clock cycle. Its integrated LIN controller supports communication designs where a dedicated network interface would otherwise increase component count. The ATTINY87 family uses Microchip AVR firmware tools and programming workflows. The verified results identify MPLAB Snap support using a High-Speed USB 2.0 computer interface, an 8-pin single-in-line connector to the target, and two device I/O pins plus the reset line for in-circuit debugging and In-Circuit Serial Programming. This makes firmware programming and debug access practical during prototype bring-up and production programming. Typical applications include LIN-connected automotive accessories, compact sensor interfaces, actuator controllers, building and industrial control nodes, low-power embedded instruments, and communication modules. In each case, the 16 MHz core, 8 KB program memory, and integrated serial interfaces reduce the need for external digital components. A key design consideration is selecting the correct package, pin mapping, clock arrangement, programming interface, and operating voltage before laying out a production PCB. Because the supplied excerpts do not include the complete pin table, voltage ranges, electrical limits, ADC details, or LIN timing values, those items must be verified in the official ATTINY87 documentation before release to manufacturing. This page consolidates manufacturer facts, distributor listings, package information, connectivity details, and application guidance. It also clearly identifies where complete pinout, electrical, pricing, lifecycle, and drop-in replacement data were not available in the verified excerpts, helping engineers separate confirmed specifications from information that still requires datasheet review.

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ATTINY87-XUR - 16MHz 8-Bit AVR with LIN | Microchip (Tape & Reel)
ATTINY87-XUR

ATTINY87-XUR - 16MHz 8-Bit AVR with LIN | Microchip (Tape & Reel)

The Microchip Technology ATTINY87-XUR is a low-power, 8-bit AVR RISC microcontroller with 8 KB of ISP Flash memory, 512 B of EEPROM, 512 B of SRAM, 16 general-purpose I/O lines, and a 16 MHz operating speed. The device includes an on-chip LIN controller and is supplied in a 20-pin TSSOP package. Its combination of compact memory, serial connectivity, and 16 I/O lines makes it suitable for embedded control, automotive accessories, sensor nodes, and small actuator systems. An 8-bit AVR microcontroller is a compact embedded processor in the hierarchy of microcontrollers, embedded processors, and semiconductor control devices. The AVR architecture uses a RISC instruction set and general-purpose working registers to execute control and communication firmware efficiently. ATTINY87-XUR belongs to the ATtiny family and targets designs that need more connectivity than a basic minimal AVR while retaining a small 20-pin surface-mount footprint. Verified device features include 8 KB of In-System Programmable Flash, 512 B of nonvolatile EEPROM, 512 B of SRAM, 32 8-bit general-purpose working registers, an 8-bit timer/counter with compare modes, and 16 I/O lines. The manufacturer describes 123 powerful instructions, with most completing in a single clock cycle. Its integrated LIN controller supports communication designs where a dedicated network interface would otherwise increase component count. The ATTINY87 family uses Microchip AVR firmware tools and programming workflows. The verified results identify MPLAB Snap support using a High-Speed USB 2.0 computer interface, an 8-pin single-in-line connector to the target, and two device I/O pins plus the reset line for in-circuit debugging and In-Circuit Serial Programming. This makes firmware programming and debug access practical during prototype bring-up and production programming. Typical applications include LIN-connected automotive accessories, compact sensor interfaces, actuator controllers, building and industrial control nodes, low-power embedded instruments, and communication modules. In each case, the 16 MHz core, 8 KB program memory, and integrated serial interfaces reduce the need for external digital components. A key design consideration is selecting the correct package, pin mapping, clock arrangement, programming interface, and operating voltage before laying out a production PCB. Because the supplied excerpts do not include the complete pin table, voltage ranges, electrical limits, ADC details, or LIN timing values, those items must be verified in the official ATTINY87 documentation before release to manufacturing. This page consolidates manufacturer facts, distributor listings, package information, connectivity details, and application guidance. It also clearly identifies where complete pinout, electrical, pricing, lifecycle, and drop-in replacement data were not available in the verified excerpts, helping engineers separate confirmed specifications from information that still requires datasheet review.

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ATTINY88-AU - 8-Bit 12MHz AVR MCU, 8KB Flash | Microchip
ATTINY88-AU

ATTINY88-AU - 8-Bit 12MHz AVR MCU, 8KB Flash | Microchip

The Microchip Technology ATTINY88-AU is an 8-bit AVR RISC microcontroller with a 12 MHz maximum clock, 8 KB in-system programmable flash, 512 bytes SRAM, 64 bytes EEPROM, 28 general-purpose I/O lines, and a 32-TQFP 7 x 7 mm package. It combines a compact AVR architecture with ADC, serial-interface, timer, and PWM resources for embedded control, sensing, and compact consumer or industrial products. An 8-bit AVR microcontroller is a programmable semiconductor containing a CPU core, flash program memory, data memory, peripheral modules, and I/O pins. The ATTINY88 belongs to the ATtiny family, uses the AVR enhanced RISC architecture, and is positioned as a low-power, cost-conscious embedded controller. Its 8-bit architecture is suited to control loops, sensor reading, actuator signaling, and simple serial communication rather than high-throughput computing. Key verified features include 8 KB flash configured as 4K x 16 words, 512 bytes SRAM, 64 bytes EEPROM, 28 I/O lines, 32 general-purpose working registers, two flexible timer/counters with compare modes, an 8-channel 10-bit ADC with gain stage, I2C, SPI, and operation from 1.8 V to 5.5 V. The 12 MHz device combines a 7 x 7 mm TQFP package with sufficient peripheral integration for compact embedded products. The AVR RISC architecture supports instruction-level efficiency, while the analog and serial peripherals reduce the need for external components. The ADC provides a practical path for analog sensor conditioning and control decisions, while I2C and SPI support communication with sensors, displays, memories, and other digital peripherals. The timers support timing, input capture, compare, and PWM-style functions. Typical applications include small sensor nodes, LED lighting controllers, compact consumer devices, battery-powered accessories, simple data-acquisition modules, and low-cost embedded control boards. The 1.8 V to 5.5 V operating range supports systems built around modern low-voltage digital rails. When designing around the ATTINY88-AU, confirm pin multiplexing, ADC input availability, programming signals, and power requirements against the manufacturer datasheet. Firmware and toolchain compatibility should also be validated before production release.

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ATTINY88-MU 12MHz 8KB 32-VQFN AVR MCU | Microchip
ATTINY88-MU

ATTINY88-MU 12MHz 8KB 32-VQFN AVR MCU | Microchip

Microchip Technology ATTINY88-MU is an 8-bit AVR RISC-based CMOS microcontroller with an operating frequency of 12MHz, 8KB of in-system-programmable flash memory and 28 general-purpose I/O lines in a 32-VQFN package measuring 5mm by 5mm. It operates from 1.8V to 5.5V and provides 512 bytes of SRAM, 64 bytes of EEPROM, two timer/counters, a 10-bit ADC, SPI and debugWire support. An AVR microcontroller is an 8-bit embedded-control semiconductor that combines a processor core, nonvolatile program memory, data memory and peripherals on one integrated circuit. Within the product hierarchy, ATTINY88-MU belongs to the ATtiny family of compact microcontrollers. Its 28 I/O pins provide substantial connectivity for sensors, switches, indicators, actuators and small serial interfaces while maintaining a low component count. Key verified features include up to 12MIPS throughput at 12MHz, eight 8-bit timer/counter registers, programmable watchdog operation and support for In-Circuit Serial Programming. The device combines a 10-bit ADC, SPI serial interface and debugWire debugging in a 5mm-square surface-mount package. These resources suit compact control systems requiring mixed digital and analog input without a larger microcontroller package. The ATtiny48/88 family uses Microchip picoPower AVR architecture to balance processing capability with low-power operation. Because ATTINY88-MU is an 8-bit device, firmware is best organized around interrupt-driven control, timers, digital state machines and periodic sensor sampling. The 512-byte SRAM should be budgeted carefully when buffering data or supporting multiple communication routines, while the 8KB flash capacity favors compact code and bootloading strategies. Typical applications include small industrial controllers, building automation endpoints, sensor hubs, LED-control systems, appliance interfaces and compact embedded instruments. A designer can use the 28 GPIO pins for local controls while assigning SPI to an external sensor or display and using the ADC for analog measurement. Programming is supported through the device's programming and debug interfaces documented by Microchip. A critical PCB consideration is exposed-pad and via layout in the 32-VQFN package. Confirm the exact land pattern, pad dimensions and pin mapping against the manufacturer package drawing before fabrication. Keep analog and digital return paths controlled, provide local supply decoupling, and use the reset and programming interface so programming and debugging remain accessible in production. This page consolidates verified distributor specifications, lifecycle information, application guidance and practical package considerations. It distinguishes verified ATTINY88-MU facts from parameters unavailable in the supplied search results, avoiding unsupported electrical or lifecycle assumptions while helping engineers assess fit before requesting a quote.

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ATTINY88-PU - 8-Bit 12MHz AVR MCU | Microchip Technology
ATTINY88-PU

ATTINY88-PU - 8-Bit 12MHz AVR MCU | Microchip Technology

The Microchip Technology ATTINY88-PU is an 8-bit AVR ATtiny microcontroller with 8KB of in-system programmable flash memory, a 12 MHz maximum clock, and a 28-PDIP package. It operates across the verified 1.8V to 5.5V supply range and is intended for compact embedded-control, sensing, and actuator designs. The ATTINY88-PU also provides 64 bytes of EEPROM and 512 bytes of SRAM according to the cited comparison data, giving firmware designers more working memory than the smallest ATtiny devices while retaining a small through-hole footprint. A microcontroller is a semiconductor that integrates a processor core, nonvolatile program memory, data memory, and peripherals into one device. The ATtiny88 belongs to the 8-bit AVR family, a low-complexity controller family suited to real-time control loops, digital I/O, timers, communication interfaces, and small sensor systems. The ATTINY88-PU uses an advanced RISC architecture and is supported by an ecosystem of AVR-compatible tools and libraries. The verified feature set includes 8KB of in-system programmable flash, 64 bytes of EEPROM, 512 bytes of SRAM, 123 powerful instructions, and a 12MHz operating speed. Its 1.8V to 5.5V range supports both low-voltage and conventional 5V designs. The 28-PDIP package is useful for prototypes, through-hole assembly, hand wiring, and designs where a socket or easy rework is useful. Typical embedded uses include environmental monitoring, small motor or relay control, LED status systems, keypad interfaces, and compact control boards. Because the exact pin names, timers, peripherals, electrical limits, and package drawing are not supplied in the verified data, those details should be confirmed in the manufacturer datasheet before schematic capture or firmware deployment. Design with the DIP footprint, clock source, programming interface, decoupling requirements, and I/O voltage limits verified against the official datasheet. The 12 MHz operating speed does not by itself guarantee a particular timer frequency; the actual peripheral clock behavior depends on the selected clock source, fuse configuration, and divider settings. This page combines verified manufacturer and distributor facts with purchasing context, application guidance, and conservative replacement qualification. It does not claim a drop-in alternative unless the same package and pin-level compatibility are explicitly supported by available cross-reference data.

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ATTINY9-MAH - 8-Bit 12MHz AVR with 1KB Flash | Microchip
ATTINY9-MAH

ATTINY9-MAH - 8-Bit 12MHz AVR with 1KB Flash | Microchip

The Microchip Technology ATTINY9-MAH is an 8-bit AVR RISC-based microcontroller operating up to 12 MHz, with 1 KB of ISP Flash memory, 32 bytes of SRAM, and four general-purpose I/O lines. It is packaged in an 8-UFDFN exposed-pad package for compact, surface-mount embedded designs. The verified distributor data identifies the part as an ATtiny-series AVR device using an internal oscillator and supplied in bulk packaging. A microcontroller is a programmable integrated circuit that executes firmware to monitor inputs, control outputs, and manage system timing. In the broader semiconductor hierarchy, this device is an 8-bit microcontroller, part of the AVR family, and belongs to the embedded-control and power-management design ecosystem. The ATTINY9 is positioned for small control tasks where low memory capacity, low pin count, and simple timing are more important than a large peripheral set or high processing bandwidth. Verified specifications include 1 KB of program Flash, 32 bytes of SRAM, four I/O lines, a 12 MHz maximum speed, an internal oscillator, and a 16-bit timer/counter with two PWM channels. The manufacturer page also identifies 16 general-purpose working registers and power-on reset, PWM, and watchdog-related functionality. These resources support compact control loops, simple indicator systems, basic motor or actuator timing, and low-power embedded products. The 8-UFDFN package helps reduce board area compared with larger leaded or plastic packages, but its exposed pad and fine-pitch footprint require careful PCB layout, land-pattern verification, soldering controls, and thermal-via planning. Because the provided data does not specify the complete electrical operating range, pin names, memory-retention behavior, or detailed timing characteristics, those parameters are marked as needing verification rather than inferred. Typical uses include small sensor interfaces, simple timers, compact LED or indicator controllers, low-cost consumer accessories, and basic embedded control modules. The device is most appropriate when firmware and I/O requirements are modest and the board can be designed around its 1 KB Flash and 32-byte SRAM limits. For designs needing more memory, communication peripherals, or a larger package pin count, a different ATtiny device should be evaluated. For a new design, confirm the exact UFDFN footprint, exposed-pad connection, programming method, oscillator behavior, and device-specific electrical limits against the official Microchip documentation before layout release. This page combines verified distributor specifications with engineering guidance, while clearly separating confirmed data from parameters that require manufacturer-datasheet confirmation.

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ATXMEGA128A1-AU - 8/16-bit AVR XMEGA MCU, 128KB Flash, TQFP-100
ATXMEGA128A1-AU

ATXMEGA128A1-AU - 8/16-bit AVR XMEGA MCU, 128KB Flash, TQFP-100

The Microchip Technology ATXMEGA128A1-AU is a low-power, high-performance 8/16-bit AVR XMEGA A1 microcontroller based on the AVR enhanced RISC architecture, delivering 32 MHz CPU throughput with single-cycle instruction execution and 128 KB of in-system self-programming Flash, 8 KB SRAM, 2 KB EEPROM, and 8 KB boot code section in a 100-pin TQFP (14x14 mm) package. What is an XMEGA microcontroller? The XMEGA family represents Atmel/Microchip's high-performance 8/16-bit AVR RISC architecture, sitting in the taxonomy: microcontroller -> embedded MCU -> 8/16-bit RISC MCU -> AVR XMEGA family -> A1 series. XMEGA devices execute most instructions in a single clock cycle, achieving throughput approaching 1 MIPS per MHz, and integrate rich peripherals such as DMA controllers, event systems, and multi-level interrupt controllers to reduce CPU load in real-time applications. Key features of the ATXMEGA128A1-AU include four-channel DMA controller, eight-channel event system, programmable multi-level interrupt controller, 78 general-purpose I/O lines, 16-bit real-time counter (RTC), eight flexible 16-bit timer/counters with compare and PWM channels, eight USARTs, four SPI/serial interfaces, two I2C/TWI interfaces, 12-bit ADC and DAC, and a full-speed USB device interface. The wide 1.6 V to 3.6 V operating voltage range supports both 1.8 V and 3.3 V system designs. The ATXMEGA128A1-AU uses a pipelined Harvard architecture with 32 working registers directly connected to the ALU, enabling high code density and deterministic interrupt latency. The peripheral event system allows peripherals to communicate without CPU intervention, while the four-channel DMA controller offloads data movement between memory and peripherals, ideal for high-throughput sensor aggregation or USB transfers. Typical applications include industrial control systems, building automation, smart energy metering, motor control, USB human-interface devices, sensor hubs, and low-power wireless sensor nodes. Its high peripheral integration and rich connectivity make it well-suited for designs consolidating multiple discrete functions onto a single MCU. When designing with this device, note that the A1 family is marked Not Recommended for New Designs by Microchip, with the AU series offered as the preferred successor. Designers should validate long-term availability before committing to new production. Decoupling with 100 nF ceramic capacitors near each supply pin is essential for clean ADC and DAC performance. This page synthesizes distributor pricing, lifecycle status, drop-in alternative recommendations, and practical design notes that complement the manufacturer datasheet, enabling engineers to make informed sourcing and design decisions.

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ATXMEGA128A1-CU - 128KB Flash 32MHz XMEGA A1 MCU 100-CBGA
ATXMEGA128A1-CU

ATXMEGA128A1-CU - 128KB Flash 32MHz XMEGA A1 MCU 100-CBGA

The Microchip (Atmel) ATXMEGA128A1-CU is a low-power, high-performance 8/16-bit AVR XMEGA A1 microcontroller featuring 128 KB of self-programming Flash program memory, 8 KB SRAM, 2 KB EEPROM, and a 100-ball CBGA (9x9 mm) package. Operating from 1.6 V to 3.6 V with a 32 MHz core clock, it executes instructions in a single cycle, approaching 1 MIPS per MHz, while the integrated DMA controller and 8-channel event system offload the CPU for deterministic peripheral handling. A microcontroller (MCU) is a single-chip computer containing a processor core, program memory (Flash), working memory (SRAM), non-volatile data storage (EEPROM), and programmable peripherals. Within the broader taxonomy, an MCU belongs to the category of embedded processors, sitting below microprocessors in system hierarchy and above discrete logic ICs in functional capability. The AVR XMEGA family specifically represents an 8/16-bit RISC architecture that targets low-power, deterministic, real-time embedded applications, balancing DSP-class peripheral integration with simple C-friendly tooling. Key features of the ATXMEGA128A1-CU include 78 general-purpose I/O lines, eight 16-bit timer/counters with PWM and capture, a 16-bit RTC, four-channel DMA, programmable multi-level interrupt controller, USB full-speed device support via on-chip transceiver, multiple USART/SPI/TWI interfaces, an external bus interface, a 12-bit ADC and 12-bit DAC, AES and DES crypto accelerators, and an on-chip debug (OCD) system with PDI/DebugWIRE support. The 100-CBGA (9x9 mm, 0.8 mm pitch) package provides generous I/O and an exposed thermal structure suitable for industrial temperature ranges. Architecturally, the device pairs an enhanced AVR RISC pipeline with Harvard-style busing and a peripheral event system that lets peripherals signal one another without CPU intervention - a hallmark of XMEGA's deterministic real-time design. The 1.6 V to 3.6 V wide operating range, multiple sleep modes, and on-chip voltage regulator make it well suited to battery-powered and industrial sensor nodes. Note that the ATXMEGA128A1 family is marked Not Recommended for New Designs (NRND) by Microchip in favor of the newer XMEGA AU series. Typical applications include industrial control (HVAC, factory automation, motor drive controllers, building systems), hand-held battery-powered instrumentation, power tools, smart metering, optical and medical devices, large home appliances, and USB peripherals. Its crypto engines also make it a fit for embedded security nodes. When designing with this part, allocate the 8 KB SRAM and 2 KB EEPROM budgets carefully and reserve at least 4 KB of the 128 KB Flash for a robust bootloader. The 100-CBGA package requires careful PCB pad design and reflow profiling; verify the 0.8 mm pitch footprint against Microchip's package drawing before fab release. This page synthesizes distributor availability, same-package drop-in alternatives from the XMEGA family, and practical design notes not found in the manufacturer datasheet.

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ATXMEGA128A1-CUR - 128KB Flash 32MHz AVR XMEGA MCU | Microchip
ATXMEGA128A1-CUR

ATXMEGA128A1-CUR - 128KB Flash 32MHz AVR XMEGA MCU | Microchip

The Microchip ATXMEGA128A1-CUR is a low-power, high-performance 8/16-bit AVR XMEGA microcontroller delivering 32 MIPS throughput at 32 MHz, packaged in a 100-ball 9x9 mm TFBGA (CBGA) for compact embedded designs. According to the Microchip (formerly Atmel) datasheet, the device integrates 128 KB of in-system self-programming Flash with read-while-write support, 8 KB boot code section, 8 KB SRAM, 2 KB EEPROM, a four-channel DMA controller, an eight-channel event system, and a programmable multilevel interrupt controller. Operating voltage spans 1.6 V to 3.6 V across an industrial temperature range of -40°C to +85°C, making it suitable for battery-powered and industrial-grade applications. An AVR XMEGA microcontroller is a member of the 8/16-bit RISC microcontroller family based on the enhanced AVR architecture. Within the broader taxonomy, XMEGA devices sit between classic 8-bit AVR MCUs and 32-bit ARM Cortex-M parts - they execute most instructions in a single clock cycle, achieving 1 MIPS per MHz, while exposing richer peripherals (DMA, event system, AES/DES crypto on some variants) than legacy ATmega devices. The XMEGA A1 family is the top-of-line 100-pin tier, with the highest pin count, largest memory options, and the most peripheral channels in the XMEGA lineup. Key features of the ATXMEGA128A1-CUR include four USARTs, four TWI (I²C-compatible) interfaces, two SPI ports, a 12-channel 16-bit event system, an 8-channel 16-bit timer/counter array with PWM and compare modes, a 12-bit 2 Msps ADC, two 12-bit DACs, an analog comparator with hysteresis, and 78 general-purpose I/O lines. The 100-ball TFBGA package provides a 0.8 mm ball pitch and 1.2 mm height, optimized for compact handheld and IoT designs. Compared to ATmega128, the XMEGA core delivers roughly 2-4x the MIPS at the same clock while adding DMA and event-driven peripherals. Typical applications include industrial sensor hubs, building automation controllers, USB human-interface devices, smart energy metering nodes, low-power wireless sensor platforms, and motor-control signal processors. Designers select this part when they need AVR toolchain compatibility (AVR Studio, Microchip Studio, GCC-AVR) combined with XMEGA's DMA and event system for deterministic, low-CPU-overhead peripheral handling. When designing with this device, place the 100-ball TFBGA land pattern on a minimum 4-layer PCB with continuous ground planes beneath the package to ensure stable JTAG/PDI programming and to manage thermal dissipation at high MIPS loads. Always include decoupling: a 100 nF ceramic capacitor per VCC pin pair plus a bulk 4.7 µF tantalum or ceramic near the supply rail. Microchip recommends Atmel-ICE or AVR Dragon for PDI programming. This page synthesizes distributor pricing, drop-in AVR XMEGA alternatives, package-level pinout, and practical design notes not found in the manufacturer datasheet alone.

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ATXMEGA128A4U-AUR - 8/16-bit AVR XMEGA MCU, 128KB Flash, 44-TQFP | Microchip
ATXMEGA128A4U-AUR

ATXMEGA128A4U-AUR - 8/16-bit AVR XMEGA MCU, 128KB Flash, 44-TQFP | Microchip

The Microchip ATXMEGA128A4U-AUR is an 8/16-bit AVR XMEGA A4U microcontroller featuring 128 KB of in-system self-programmable Flash, 8 KB SRAM, 2 KB EEPROM, and a 4 KB boot code section, all packaged in a 44-pin TQFP (10x10 mm) supplied on tape and reel. It operates at up to 32 MHz delivering up to 32 MIPS throughput, integrates a 4-channel DMA controller, an 8-channel event system, and a full-speed USB 2.0 device/host interface that distinguishes the A4U family from earlier A4 devices. The part number suffix "-AUR" indicates the industrial temperature grade and tape-and-reel packaging for high-volume assembly. An AVR XMEGA microcontroller is a high-performance 8/16-bit RISC MCU family from Microchip (originally Atmel) targeting low-power embedded designs that need more peripherals than classic ATmega parts but still rely on the AVR core rather than ARM Cortex-M. Within the broader taxonomy it sits as an MCU -> microcontroller -> embedded controller -> semiconductor. The "XMEGA" name signals an upgraded peripheral set including hardware crypto, DES, AES, and 12-bit ADC/DAC blocks, plus the unified event system for inter-peripheral signalling without CPU intervention. Key differentiating specifications include the 128 KB Flash (64K x 16 organization), 8 KB SRAM, 2 KB EEPROM, 12-bit ADC and DAC peripherals, full-speed USB 2.0 with device and host capability, and an operating voltage range of 1.6 V to 3.6 V. The device supports both 1.8 V and 2.5 V/3.3 V operation, allowing direct attachment to Li-ion, NiMH, or 3.3 V regulated rails without level shifters. An external bus interface provides address/data expansion for external memories or graphics controllers. Architecturally, the ATXMEGA128A4U-AUR uses the Atmel AVR enhanced RISC core with 32 working registers directly connected to the ALU, achieving single-cycle execution. The integrated DMA controller can move data between peripherals and memory without CPU involvement, freeing the core for application code. The 8-channel event system routes peripheral events (timer overflows, ADC conversions, I/O edges) to other peripherals, enabling deterministic hardware-software co-design. The USB 2.0 full-speed transceiver is on-die, requiring only an external pull-up resistor and bypass capacitors. Typical applications include USB HID devices, USB mass storage controllers, industrial sensor hubs with USB diagnostics, low-power data loggers, motor control front ends, and battery-powered handheld instruments. The combination of low active current, deep sleep modes down to sub-microamp, and integrated USB makes it particularly attractive for USB-powered sensor peripherals. Designers also use the A4U family in consumer audio accessories where 12-bit DAC and PWM drive suit headphone or intercom front ends. When designing with this part, budget for the 44-pin TQFP footprint and ensure the USB D+/D- traces are 90 ohm differential-matched. Boot loader and PDI programming share the same pins, so reserve access for in-system programming via the Atmel-ICE or AVR Dragon. The integrated 32 kHz internal RC oscillator can replace an external crystal in space-constrained designs but trades accuracy for BOM savings. This page synthesizes distributor pricing, USB-enabled drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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ATXMEGA128B3-MCU - 32MHz AVR MCU, 128KB Flash, USB | Microchip
ATXMEGA128B3-MCU

ATXMEGA128B3-MCU - 32MHz AVR MCU, 128KB Flash, USB | Microchip

The Microchip Technology ATXMEGA128B3-MCU is a low-power, high-performance 8/16-bit AVR XMEGA B3 microcontroller with 128KB self-programming Flash, 4KB SRAM, 2KB EEPROM, a 2-channel DMA controller, 4-channel event system, Full-Speed USB Device, 4x25-segment LCD controller, and up to 32 MIPS throughput at 32 MHz, housed in a 64-pin VQFN (7x7 mm) package with exposed pad. A microcontroller unit (MCU) is a single-chip computer integrating a processor core, program and data memory, and peripherals into one package. Within the hierarchy of embedded processors, the AVR XMEGA family sits between small 8-bit AVRs and 32-bit ARM cores, offering 8/16-bit RISC execution with the peripheral richness needed for human-interface and connectivity applications. Key features include 128KB (128K x 8) of self-programming Flash with a 4KB boot code section, enabling field firmware updates over USB or other interfaces; a 4-channel event system that routes peripheral signals without CPU intervention; and a 2-channel DMA controller that offloads data movement for lower CPU load and power consumption. Technically, the AVR RISC core executes most instructions in a single clock cycle, delivering up to 32 MIPS at 32 MHz. The integrated USB Full-Speed Device controller eliminates an external USB interface chip, while the 4x25 segment LCD driver with selectable drive schemes suits battery-powered metering and display products. Typical applications include USB-connected instruments, industrial control panels with LCD displays, battery-powered metering devices, and consumer appliances requiring both USB and segment LCD interfaces. When designing with this device, budget the VQFN-64 exposed-pad footprint for thermal and ground via connections, and verify Flash endurance and supply-voltage ranges against the manufacturer datasheet before finalizing power sequencing. This page synthesizes distributor pricing from LCSC and Heisener, drop-in same-family alternatives, and practical design guidance not found in the manufacturer datasheet alone.

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