Circuitos integrados

ATMEGA2560-16AI

ATMEGA2560-16AI - 16MHz 256KB AVR MCU | Microchip

Microchip ATMEGA2560-16AI is an 8-bit AVR RISC microcontroller rated for 16 MHz operation, with 256 KB of flash memory, 8 KB of SRAM, and 4 KB of EEPROM. The device provides 86 general-purpose I/O lines and 32 general-purpose working registers, making it suitable for embedded control systems with substantial peripheral connectivity. It is supplied in a 100-lead TQFP package and operates from a 5 V supply according to the distributor listing. An 8-bit AVR microcontroller is a programmable integrated circuit designed to execute compact embedded-control firmware using the AVR reduced-instruction-set computer architecture. The ATMEGA2560 belongs to the broader microcontroller hierarchy: MCU, embedded processor, digital controller, and semiconductor. Its combination of program memory, SRAM, EEPROM, timers, serial interfaces, and GPIO makes it useful where a single device must coordinate displays, sensors, actuators, communications, and timing functions. The verified product information identifies 256 KB of ISP flash memory, 8 KB SRAM, 4 KB EEPROM, 86 general-purpose I/O lines, 32 working registers, a real-time counter, and six flexible timer/counter resources. The 16 MHz speed suffix indicates the 16 MHz operating class, while the I package designation is associated with the listed 100-pin TQFP ordering variant. The device is based on the AVR architecture and is widely recognized in Arduino Mega-class embedded platforms, although application support should be verified for a specific board and firmware environment. Typical applications include industrial automation, robotics, data acquisition, environmental monitoring, embedded instrumentation, and communication controllers. The large I/O count can simplify designs that would otherwise require multiple smaller controllers, while the 256 KB flash capacity supports larger firmware images than many entry-level AVR devices. The ATMEGA2560-16AI is therefore useful when system integration, peripheral count, and software capacity matter more than using the smallest or lowest-power MCU. Designers should confirm the exact pinout, power requirements, clock configuration, peripheral multiplexing, programming interface, and package details from the manufacturer datasheet before layout. Decoupling, oscillator routing, reset design, and unused-pin treatment should follow the relevant hardware guidance. Because the supplied data does not include a verified price table or complete electrical limit table, those values are not inferred here.

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ATMEGA2560-16AU

ATMEGA2560-16AU - 8-bit AVR MCU 256KB Flash 16MHz | Microchip

The Microchip Technology ATMEGA2560-16AU is a high-performance, low-power 8-bit AVR RISC microcontroller with 256 KB ISP Flash, 8 KB SRAM, 4 KB EEPROM, 86 general-purpose I/O lines, and a maximum clock frequency of 16 MHz, housed in a 100-pin TQFP (14x14 mm) package. A microcontroller unit (MCU) is a single integrated circuit that combines a processor core, memory, and programmable peripherals into one chip, forming the lowest tier of the embedded computing hierarchy (MCU -> embedded processor -> system-on-chip -> computing system). The ATmega2560 belongs to the AVR family of enhanced RISC microcontrollers, executing most instructions in a single clock cycle to achieve throughput approaching 1 MIPS per MHz, allowing designers to optimize power consumption versus processing speed. Key features include 256 KB of in-system programmable Flash with a separate boot sector supporting In-Application Programming, 4 KB EEPROM for non-volatile parameter storage, 8 KB internal SRAM, and 86 GPIO lines with internal pull-ups. The peripheral set comprises six flexible timer/counters with compare modes, four 8-bit PWM channels, six/two 16-bit PWM channels, an 8-channel 10-bit ADC, four USARTs, SPI, TWI (I2C), and a JTAG interface for on-chip debugging and boundary scan. The AVR core uses a Harvard architecture with 32 general-purpose working registers directly connected to the ALU, so two independent registers can be accessed in one instruction executed in one cycle. This RISC structure delivers code efficiency and deterministic execution suited to real-time control tasks, while the rich peripheral bank offloads timing-critical functions from software. Typical applications include the Arduino Mega 2560 development platform, industrial automation controllers, robotics and motor control systems, and instrumentation requiring many I/O channels and multiple serial links. Four hardware USARTs and the 86 I/O lines make it especially popular for boards that must drive shields, displays, and sensors simultaneously. When designing with the ATMEGA2560-16AU, remember it is rated for 4.5V to 5.5V operation at 16 MHz; lower-speed grades (the V variant) run at reduced voltage, so check supply rail compatibility before substituting. Provide 100 nF decoupling on each VCC pin pair and route the analog AVCC supply cleanly for best ADC accuracy. This page synthesizes distributor pricing, drop-in alternatives, pinout guidance, and practical design notes not found in the manufacturer datasheet.

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ATMEGA2560-16AUA0

ATMEGA2560-16AUA0 - 8-bit AVR MCU 16MHz 256KB | Microchip

The Microchip Technology ATMEGA2560-16AUA0 is an 8-bit AVR RISC microcontroller running at 16 MHz with 256 KB ISP FLASH (128K x 16), 8 KB SRAM, and 4 KB EEPROM, housed in a 100-pin TQFP (14x14 mm) surface-mount package. An 8-bit AVR microcontroller is a single-chip computer that integrates a Harvard-architecture RISC CPU, program memory, data memory, and peripherals such as UARTs, timers, ADCs, and SPI/I2C interfaces. Within the power-management and embedded-control hierarchy, it sits as the system brain in microcontroller ICs, executing powerful instructions in a single clock cycle to deliver throughputs approaching 1 MIPS per MHz, letting designers optimize power consumption against processing speed. Key features include the 256 KB in-system self-programmable FLASH, the largest of the ATmega640/1280/2560 family, plus 86 general-purpose I/O lines and 32 general-purpose working registers. Six flexible timer/counters with compare modes and PWM, along with multiple hardware serial interfaces, reduce external component count in multi-channel control designs. Architecturally, the AVR enhanced RISC core pairs a large register file directly with the ALU, so a single instruction accesses two independent registers in one clock cycle. This eliminates the accumulator bottleneck of classic 8-bit architectures and gives the ATMEGA2560-16AUA0 deterministic, single-cycle execution suitable for real-time control loops. The 100-TQFP (14x14 mm) package exposes all 86 GPIO plus power, ground, reset, and crystal pins on a 0.5 mm pitch footprint shared across the ATmega640/1280/2560 family. Typical applications include Arduino Mega-compatible development boards, 3D printer mainboards, industrial automation controllers, robotics platforms, and multi-UART sensor hubs, where 5V-tolerant I/O, generous FLASH for complex firmware, and many timer channels are decisive. Design consideration: keep decoupling capacitors on every VCC/AVCC pin pair close to the 100-TQFP pads, and verify supply voltage versus the 16 MHz speed grade before layout, since underspecified supplies at full clock rate are a common bring-up pitfall. This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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ATMEGA2560-16AUR

ATMEGA2560-16AUR - 8-bit AVR MCU 256KB Flash 16MHz | Microchip (Tape & Reel)

The Microchip Technology ATMEGA2560-16AUR is a high-performance, low-power 8-bit AVR RISC microcontroller with 256 KB ISP Flash, 8 KB SRAM, 4 KB EEPROM, 86 general-purpose I/O lines, and a maximum clock frequency of 16 MHz, housed in a 100-pin TQFP (14x14 mm) package. A microcontroller unit (MCU) is a single integrated circuit that combines a processor core, memory, and programmable peripherals into one chip, forming the lowest tier of the embedded computing hierarchy (MCU -> embedded processor -> system-on-chip -> computing system). The ATmega2560 belongs to the AVR family of enhanced RISC microcontrollers, executing most instructions in a single clock cycle to achieve throughput approaching 1 MIPS per MHz, allowing designers to optimize power consumption versus processing speed. Key features include 256 KB of in-system programmable Flash with a separate boot sector supporting In-Application Programming, 4 KB EEPROM for non-volatile parameter storage, 8 KB internal SRAM, and 86 GPIO lines with internal pull-ups. The peripheral set comprises six flexible timer/counters with compare modes, four 8-bit PWM channels, six/two 16-bit PWM channels, an 8-channel 10-bit ADC, four USARTs, SPI, TWI (I2C), and a JTAG interface for on-chip debugging and boundary scan. The AVR core uses a Harvard architecture with 32 general-purpose working registers directly connected to the ALU, so two independent registers can be accessed in one instruction executed in one cycle. This RISC structure delivers code efficiency and deterministic execution suited to real-time control tasks, while the rich peripheral bank offloads timing-critical functions from software. Typical applications include the Arduino Mega 2560 development platform, industrial automation controllers, robotics and motor control systems, and instrumentation requiring many I/O channels and multiple serial links. Four hardware USARTs and the 86 I/O lines make it especially popular for boards that must drive shields, displays, and sensors simultaneously. When designing with the ATMEGA2560-16AUR, remember it is rated for 4.5V to 5.5V operation at 16 MHz; lower-speed grades (the V variant) run at reduced voltage, so check supply rail compatibility before substituting. Provide 100 nF decoupling on each VCC pin pair and route the analog AVCC supply cleanly for best ADC accuracy. This page synthesizes distributor pricing, drop-in alternatives, pinout guidance, and practical design notes not found in the manufacturer datasheet.

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ATMEGA2560-16CU

ATMEGA2560-16CU - 8-bit AVR MCU, 16MHz, 256KB Flash | Microchip

The Microchip Technology ATMEGA2560-16CU is a high-performance, low-power 8-bit AVR RISC microcontroller running at 16 MHz, with 256 KB of ISP Flash memory, 8 KB SRAM, and 4 KB EEPROM, housed in a 100-ball CBGA (9x9 mm) package. According to the Microchip product page, it also provides 86 general purpose I/O lines, 32 general purpose working registers, a real-time counter, and six flexible timer/counters. An 8-bit AVR microcontroller is a Harvard-architecture RISC processor that executes most instructions in a single clock cycle, positioning it in the embedded hierarchy as: microcontroller -> 8-bit MCU -> AVR ATmega family -> semiconductor IC. This architecture delivers up to 16 MIPS throughput at 16 MHz, making it a mainstay of cost-sensitive embedded control. Key features include in-system programmable (ISP) Flash enabling firmware updates without removing the chip, 256 KB of program memory for large code bases, four 8-bit and four 16-bit timers, and multiple serial interfaces. The 86 GPIO lines make it well suited to designs that must drive many peripherals or parallel buses directly. Technical depth: the AVR core uses a two-stage pipeline with single-cycle execution for the majority of instructions. The ATMEGA2560 integrates JTAG for on-chip debugging and boundary scan, plus watchdog timer, brown-out detection, and multiple sleep modes for power optimization. The 16 MHz speed grade (-16) requires a 4.5V to 5.5V supply. Typical applications include Arduino Mega-compatible boards, robotics controllers, 3D printer mainboards, and industrial control panels where abundant I/O and mature AVR tooling matter more than raw processing speed. Design consideration: the CBGA package requires careful PCB land-pattern design and reflow profiling; verify ball-map compatibility before substituting TQFP-family variants, which share the die but not the footprint. This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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ATMEGA2560-16CUR

ATMEGA2560-16CUR - 8-bit AVR MCU, 16MHz, 256KB Flash | Microchip (Tape & Reel)

The Microchip Technology ATMEGA2560-16CUR is a high-performance, low-power 8-bit AVR RISC microcontroller running at 16 MHz, with 256 KB of ISP Flash memory, 8 KB SRAM, and 4 KB EEPROM, housed in a 100-ball CBGA (9x9 mm) package. According to the Microchip product page, it also provides 86 general purpose I/O lines, 32 general purpose working registers, a real-time counter, and six flexible timer/counters. An 8-bit AVR microcontroller is a Harvard-architecture RISC processor that executes most instructions in a single clock cycle, positioning it in the embedded hierarchy as: microcontroller -> 8-bit MCU -> AVR ATmega family -> semiconductor IC. This architecture delivers up to 16 MIPS throughput at 16 MHz, making it a mainstay of cost-sensitive embedded control. Key features include in-system programmable (ISP) Flash enabling firmware updates without removing the chip, 256 KB of program memory for large code bases, four 8-bit and four 16-bit timers, and multiple serial interfaces. The 86 GPIO lines make it well suited to designs that must drive many peripherals or parallel buses directly. Technical depth: the AVR core uses a two-stage pipeline with single-cycle execution for the majority of instructions. The ATMEGA2560 integrates JTAG for on-chip debugging and boundary scan, plus watchdog timer, brown-out detection, and multiple sleep modes for power optimization. The 16 MHz speed grade (-16) requires a 4.5V to 5.5V supply. Typical applications include Arduino Mega-compatible boards, robotics controllers, 3D printer mainboards, and industrial control panels where abundant I/O and mature AVR tooling matter more than raw processing speed. Design consideration: the CBGA package requires careful PCB land-pattern design and reflow profiling; verify ball-map compatibility before substituting TQFP-family variants, which share the die but not the footprint. This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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ATMEGA2560V-8AI

ATMEGA2560V-8AI - 8MHz 256KB AVR MCU | Microchip

The Microchip Technology ATMEGA2560V-8AI is an 8-bit AVR RISC-based microcontroller with an 8 MHz maximum operating frequency, 256 KB of in-system programmable Flash memory, 8 KB SRAM, and 4 KB EEPROM in a 100-pin TQFP package. It provides 86 general-purpose I/O lines and integrated connectivity including EBI/EMI, I2C, SPI, and four USART modules. The -8AI suffix identifies an 8 MHz grade with an industrial temperature classification, while the V designation identifies the voltage and feature variant within the ATmega family. What is an AVR microcontroller? An AVR is an 8-bit RISC microcontroller architecture designed by Microchip for embedded control, communications, and real-time peripheral management. In the system hierarchy, ATMEGA2560V-8AI is a microcontroller within the integrated-circuit and embedded-processing categories. Its program memory, SRAM, EEPROM, I/O ports, timers, serial interfaces, and interrupt system allow a single device to combine control logic with multiple communication channels. Key features include 256 KB of Flash organized as 128K x 16, 8 KB of internal SRAM, 4 KB of EEPROM, and 86 general-purpose I/O lines. The device also includes four USARTs, an SPI interface, a byte-oriented two-wire serial interface, an external memory interface, and flexible timer/counter resources. These features support applications requiring multiple serial links, periodic timing, analog-to-digital conversion, and firmware storage. The ATmega core provides 32 general-purpose working registers connected directly to the arithmetic logic unit. This architecture supports efficient register-based instruction execution and is well suited to compact embedded control loops. The manufacturer datasheet identifies the ATmega2560 family as a high-performance, low-power AVR RISC-based device with real-time counters and flexible timer/counter blocks. Typical applications include industrial automation controllers, data acquisition systems, communications gateways, motor-control and sequencing equipment, embedded test instruments, and custom Arduino-compatible or similar embedded platforms. The four USARTs are especially useful when the design must connect several independent serial devices. Designers should verify the exact pin functions, power rails, clock requirements, programming interface, and timing constraints against the manufacturer datasheet before layout. The 100-pin TQFP footprint requires careful fanout and exposed-pad or thermal considerations where applicable. Firmware replacement should also be validated because different ATmega variants can differ in peripheral availability, fuse behavior, and package details. This page combines verified manufacturer and distributor information with package, interface, application, comparison, and design guidance to support rapid component selection and sourcing.

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ATMEGA2560V-8AU

ATMEGA2560V-8AU - 256KB Flash, 1.8-5.5V AVR MCU 8MHz | Microchip

The Microchip Technology (formerly Atmel) ATMEGA2560V-8AU is a high-performance, low-power 8-bit AVR RISC microcontroller integrating 256 KB in-system-programmable Flash, 8 KB SRAM, 4 KB EEPROM, and 86 general-purpose I/O lines in a 100-pin TQFP surface-mount package rated for -40C to +85C operation from a 1.8 V to 5.5 V supply at up to 8 MHz. A microcontroller (MCU) is a single-chip computer that combines a CPU core, program and data memory, and I/O peripherals such as timers, serial interfaces and interrupt logic on one die. Within the embedded-computing hierarchy the ATmega2560 family sits in the mainstream 8-bit flash MCU class, sitting above smaller ATmega parts such as the ATmega328P and below 32-bit ARM Cortex-M devices when applications demand very large GPIO and peripheral counts rather than raw compute throughput. Key features include the advanced AVR RISC architecture executing 131 powerful instructions, mostly in a single clock cycle, with 32 general-purpose working registers and fully static operation for up to 16 MIPS throughput at 16 MHz (8 MHz maximum for the V low-voltage grade). The device integrates six flexible timer/counters with compare modes and PWM, four USARTs, a byte-oriented 2-wire serial interface (TWI/I2C), an SPI serial interface, a real-time counter with separate oscillator, a watchdog timer and a 16-channel 10-bit ADC. In-system programming (ISP) and self-programming support enable field firmware updates without removing the chip. The V suffix denotes the extended 1.8 V to 5.5 V operating range, allowing direct operation from two alkaline cells or a single lithium cell with a boost converter, which makes the ATMEGA2560V-8AU attractive for battery-powered instruments. The Harvard-architecture dual-memory bus keeps program fetch and data access independent, sustaining efficient C-compiled code density, and the on-chip RC oscillator plus XTAL1/XTAL2 crystal inputs reduce external component count while supporting accurate USART baud rates. Typical applications include industrial automation controllers with large I/O counts, 3D-printer mainboards (the Arduino Mega 2560 platform), robotics controllers, and multi-port data loggers that must exploit four USART channels plus a wide supply range. When designing with this part, consult the maximum clock rate versus VCC curve because at 1.8 V the maximum guaranteed clock drops well below 8 MHz. This page synthesizes distributor pricing, drop-in same-family alternatives, a full 100-pin TQFP pinout, and practical design notes not consolidated in the manufacturer datasheet. Pricing is referenced as of 2026-09-17.

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ATMEGA2560V-8AUR

ATMEGA2560V-8AUR - 256KB Flash, 1.8-5.5V AVR MCU 8MHz | Microchip (Tape & Reel)

The Microchip Technology (formerly Atmel) ATMEGA2560V-8AUR is a high-performance, low-power 8-bit AVR RISC microcontroller integrating 256 KB in-system-programmable Flash, 8 KB SRAM, 4 KB EEPROM, and 86 general-purpose I/O lines in a 100-pin TQFP surface-mount package rated for -40C to +85C operation from a 1.8 V to 5.5 V supply at up to 8 MHz. A microcontroller (MCU) is a single-chip computer that combines a CPU core, program and data memory, and I/O peripherals such as timers, serial interfaces and interrupt logic on one die. Within the embedded-computing hierarchy the ATmega2560 family sits in the mainstream 8-bit flash MCU class, sitting above smaller ATmega parts such as the ATmega328P and below 32-bit ARM Cortex-M devices when applications demand very large GPIO and peripheral counts rather than raw compute throughput. Key features include the advanced AVR RISC architecture executing 131 powerful instructions, mostly in a single clock cycle, with 32 general-purpose working registers and fully static operation for up to 16 MIPS throughput at 16 MHz (8 MHz maximum for the V low-voltage grade). The device integrates six flexible timer/counters with compare modes and PWM, four USARTs, a byte-oriented 2-wire serial interface (TWI/I2C), an SPI serial interface, a real-time counter with separate oscillator, a watchdog timer and a 16-channel 10-bit ADC. In-system programming (ISP) and self-programming support enable field firmware updates without removing the chip. The V suffix denotes the extended 1.8 V to 5.5 V operating range, allowing direct operation from two alkaline cells or a single lithium cell with a boost converter, which makes the ATMEGA2560V-8AUR attractive for battery-powered instruments. The Harvard-architecture dual-memory bus keeps program fetch and data access independent, sustaining efficient C-compiled code density, and the on-chip RC oscillator plus XTAL1/XTAL2 crystal inputs reduce external component count while supporting accurate USART baud rates. Typical applications include industrial automation controllers with large I/O counts, 3D-printer mainboards (the Arduino Mega 2560 platform), robotics controllers, and multi-port data loggers that must exploit four USART channels plus a wide supply range. When designing with this part, consult the maximum clock rate versus VCC curve because at 1.8 V the maximum guaranteed clock drops well below 8 MHz. This page synthesizes distributor pricing, drop-in same-family alternatives, a full 100-pin TQFP pinout, and practical design notes not consolidated in the manufacturer datasheet. Pricing is referenced as of 2026-09-17.

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ATMEGA2560V-8CU

ATMEGA2560V-8CU - 8-Bit AVR MCU 256KB 8MHz CBGA-100 | Microchip (Tape & Reel)

The Microchip Technology ATMEGA2560V-8CU is an 8-bit AVR RISC microcontroller with 256KB (128K x 16) ISP Flash memory, 8KB SRAM, and 4KB EEPROM, executing at up to 8MHz across the 1.8V to 5.5V voltage range, housed in a 100-ball CBGA (9x9 mm) package. A microcontroller is a single-chip computer that integrates a processor core, program memory, data memory, and peripherals on one die, sitting at the lowest tier of the embedded-computing hierarchy (MCU -> SoC -> application processor). The AVR ATmega family uses an advanced RISC architecture with 131 mostly single-cycle instructions and 32 general-purpose working registers, delivering fully static operation rated up to 16 MIPS throughput at 16MHz. Key features include 256KB of self-programmable Flash, four 16-bit and two 8-bit timers, four programmable serial USARTs, master/slave SPI, a byte-oriented 2-wire (I2C-compatible) interface, an 8/16-channel 10-bit ADC, an output-compare modulator, programmable watchdog timer with separate on-chip oscillator, on-chip analog comparator, brown-out detection, power-on reset, PWM outputs, and interrupt and wake-up on pin change. The V-8 speed/voltage grade supports the full 1.8V operating corner, making the device well suited to battery-powered designs, while the 100-ball CBGA provides a compact 9x9 mm footprint for space-constrained boards. The industrial temperature rating and GREEN/RoHS material set support professional-grade deployments. Typical applications include battery-powered data loggers, industrial automation controllers, multi-channel sensor acquisition nodes, and robotics control boards where multiple UARTs and abundant GPIO (86 general-purpose I/O lines) are required. Design consideration: at low supply voltages the maximum safe clock frequency derates; below 2.7V the device is limited to 8MHz operation, so clock selection and brown-out detector thresholds must be chosen together. This page synthesizes distributor pricing, drop-in alternatives, comparison tables, and practical design notes not found in the manufacturer datasheet, providing information gain for procurement and engineering evaluation.

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ATMEGA2560V-8CUR

ATMEGA2560V-8CUR - 8-Bit AVR MCU 256KB 8MHz CBGA-100 | Microchip

The Microchip Technology ATMEGA2560V-8CUR is an 8-bit AVR RISC microcontroller with 256KB (128K x 16) ISP Flash memory, 8KB SRAM, and 4KB EEPROM, executing at up to 8MHz across the 1.8V to 5.5V voltage range, housed in a 100-ball CBGA (9x9 mm) package. A microcontroller is a single-chip computer that integrates a processor core, program memory, data memory, and peripherals on one die, sitting at the lowest tier of the embedded-computing hierarchy (MCU -> SoC -> application processor). The AVR ATmega family uses an advanced RISC architecture with 131 mostly single-cycle instructions and 32 general-purpose working registers, delivering fully static operation rated up to 16 MIPS throughput at 16MHz. Key features include 256KB of self-programmable Flash, four 16-bit and two 8-bit timers, four programmable serial USARTs, master/slave SPI, a byte-oriented 2-wire (I2C-compatible) interface, an 8/16-channel 10-bit ADC, an output-compare modulator, programmable watchdog timer with separate on-chip oscillator, on-chip analog comparator, brown-out detection, power-on reset, PWM outputs, and interrupt and wake-up on pin change. The V-8 speed/voltage grade supports the full 1.8V operating corner, making the device well suited to battery-powered designs, while the 100-ball CBGA provides a compact 9x9 mm footprint for space-constrained boards. The industrial temperature rating and GREEN/RoHS material set support professional-grade deployments. Typical applications include battery-powered data loggers, industrial automation controllers, multi-channel sensor acquisition nodes, and robotics control boards where multiple UARTs and abundant GPIO (86 general-purpose I/O lines) are required. Design consideration: at low supply voltages the maximum safe clock frequency derates; below 2.7V the device is limited to 8MHz operation, so clock selection and brown-out detector thresholds must be chosen together. This page synthesizes distributor pricing, drop-in alternatives, comparison tables, and practical design notes not found in the manufacturer datasheet, providing information gain for procurement and engineering evaluation.

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ATMEGA2561-16AU

ATMEGA2561-16AU - 8-Bit AVR MCU 16MHz 256KB Flash | Microchip

The Microchip Technology ATMEGA2561-16AU is a high-performance, low-power 8-bit AVR RISC microcontroller with 256 KB ISP flash memory, 8 KB SRAM, 4 KB EEPROM, 86 general-purpose I/O lines, and a 16 MHz maximum clock, housed in a 64-pin TQFP (14x14 mm) surface-mount package. An 8-bit AVR microcontroller is a complete computer-on-a-chip built around the AVR enhanced RISC architecture, combining CPU, program flash, data SRAM, EEPROM, timers, serial interfaces, and an ADC within a single integrated circuit. In the power management hierarchy of embedded systems, the MCU sits at the center of the control chain, orchestrating sensors, actuators, and communication links. The AVR family is widely used because of its single-cycle instruction execution and rich peripheral set. Key features of the ATMEGA2561-16AU include 131 powerful instructions with most executing in a single clock cycle, delivering up to 16 MIPS throughput at 16 MHz. It provides four USARTs for multi-channel serial communication, a byte-oriented 2-wire serial interface (TWI/I2C), an SPI interface, six flexible timer/counters with compare modes and PWM, a real-time counter, and an 8-channel 10-bit ADC. The 256 KB self-programmable flash enables bootloader-based field firmware updates in large applications. Architecturally, the device uses the AVR advanced RISC core with 32 general-purpose working registers directly connected to the ALU, allowing one-cycle access that avoids the accumulator bottleneck of classical 8-bit architectures. Fully static operation supports clock speeds down to DC for ultra-low-power designs. JTAG boundary-scan and on-chip debug support simplify production testing and firmware development. Typical applications include industrial automation controllers, building management and HVAC control panels, test and measurement instrumentation, and motor control systems. The four USARTs and 86 I/O lines make it well suited to equipment that must talk to several serial peripherals while driving displays, keypads, and relays. When designing with this part, remember the 16 suffix denotes a 4.5V to 5.5V operating range; the V-suffix variant (ATMEGA2561V-8AU) is required for 2.7V to 5.5V battery designs, and its maximum clock is 8 MHz. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet, with pricing referenced as of 2026-10-07.

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ATMEGA2561-16AUR

ATMEGA2561-16AUR - 8-bit AVR MCU 256KB 16MHz | Microchip

The Microchip Technology ATMEGA2561-16AUR is a high-performance, low-power 8-bit AVR RISC microcontroller with 256 KB ISP Flash memory, 8 KB SRAM, 4 KB EEPROM, and 54 general-purpose I/O lines, executing up to 16 MIPS at 16 MHz in a 64-pin TQFP (14x14 mm) package. According to the Microchip product page, it belongs to the AVR ATmega family with 32 general-purpose working registers and a real-time counter. A microcontroller unit (MCU) is a single integrated circuit that combines a processor core, program memory (Flash), data memory (SRAM and EEPROM), and peripheral interfaces such as UART, SPI, and I2C. Within the semiconductor hierarchy, the ATmega2561 sits in the 8-bit microcontroller category under embedded processors, a superset that includes MCUs, MPUs, and DSPs. 8-bit AVRs remain widely used where deterministic execution, simple toolchains, and 5V tolerance matter. Key features include the AVR enhanced RISC architecture with mostly single-cycle instruction execution, six flexible timer/counters with compare modes and PWM, four USARTs for serial communication, a byte-oriented 2-wire serial interface (TWI/I2C), a master/slave SPI interface, an 8-channel 10-bit ADC, a programmable watchdog timer with separate on-chip oscillator, an on-chip analog comparator, and interrupt and wake-up on pin change for low-power designs. The ATmega2561 is the 64-pin member of the ATmega640/1280/1281/2560/2561 family, sharing peripherals with the 100-pin ATmega2560 in a more compact footprint. The 16 MHz -16 speed grade delivers up to 16 MIPS throughput, while the AVR Harvard architecture with 32 registers gives exceptionally efficient compiled C code. The 256 KB Flash supports self-programming via ISP bootloader, and the 4 KB EEPROM retains calibration data through power cycles. Operating voltage is 4.5V to 5.5V with industrial temperature range of -40C to +85C for the 'I' suffix. Typical applications include industrial automation controllers, motor control panels, building automation, embedded instrumentation, and legacy 5V board designs requiring pin-compatible upgrades from ATmega128 designs. For reliable design, use the internal PLL-free clocking path, keep XTAL1/XTAL2 traces short, and budget the watchdog oscillator tolerance when relying on WDT reset timing. This page synthesizes distributor pricing, drop-in alternatives, comparison tables, and practical design notes not found in the manufacturer datasheet.

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ATMEGA2561-16MU

ATMEGA2561-16MU - 8-bit AVR MCU 256KB Flash 16MHz 64-QFN | Microchip

The Microchip ATMEGA2561-16MU is a high-performance, low-power 8-bit AVR RISC-based microcontroller integrating 256 KB of in-system programmable Flash, 8 KB SRAM, and 4 KB EEPROM, operating at up to 16 MHz with 16 MIPS throughput, packaged in a 64-lead VFQFN (9x9 mm) with exposed thermal pad. The device offers 54 programmable I/O lines, 32 general-purpose working registers, and a rich peripheral set including four USARTs, one TWI (I2C) port, one SPI port, two 8-bit timer/counters and four 16-bit timer/counters with compare/PWM modes, an 8-channel 10-bit ADC, a JTAG debug interface, and a programmable watchdog timer with separate on-chip oscillator. An AVR microcontroller (sometimes called an Advanced Virtual RISC microcontroller) is a single-chip computer built around the Atmel AVR 8-bit RISC core, executing most instructions in a single clock cycle to deliver deterministic throughput. ATmega2561 belongs to the megaAVR family, sitting between tinyAVR and XMEGA in Microchip's 8-bit hierarchy, and is commonly used where higher pin count and larger memory are needed without moving to 32-bit ARM Cortex-M parts. Key features of the ATMEGA2561-16MU include 256 KB self-programmable Flash with Read-While-Write support, 8 KB on-chip SRAM, 4 KB true EEPROM with 100,000 erase/write cycles endurance, an internal calibrated RC oscillator, and six software-selectable power-saving modes that can reduce active current to microampere levels for battery-operated designs. The 8-channel 10-bit successive-approximation ADC delivers up to 15 kSPS at full resolution, and the on-chip analog comparator supports single-ended and differential inputs with selectable hysteresis. Architecturally, the ATMEGA2561 uses a Harvard-style memory layout with separate program Flash and data SRAM buses, a hardware multiplier supporting signed/unsigned multiply and fractional multiply instructions, and a deterministic interrupt controller with up to 57 interrupt vectors. The peripheral interconnect allows timer/counter outputs to drive ADC triggers and PWM channels, enabling motor control and power-conversion topologies without software overhead. Typical applications include industrial automation controllers, building automation gateways, smart energy metering, USB-to-UART bridges using external PHY, multi-channel data acquisition front-ends, robotic controller boards, automotive body and infotainment subsystems (when properly qualified), and hobbyist/education platforms such as Arduino-Mega-compatible designs. The wide memory and I/O count also make it a frequent fit for SCADA remote terminal units (RTUs). When designing with this device, ensure decoupling follows Microchip's recommended 100 nF ceramic on each VCC pin plus a 10 uF bulk, and respect the 5.5 V absolute-maximum VCC rating even though the part is 5 V tolerant. JTAG and ISP programming both require the RESET pin to remain in a defined state; for noise immunity, place a 10 kohm pull-up on RESET and a low-value decoupling capacitor on AVCC to maximize ADC linearity. This page synthesizes distributor inventory, 64-QFN drop-in alternatives, and practical AVR design notes not found in the manufacturer datasheet alone, accelerating part selection and PCB re-use.

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ATMEGA2561V-8AUR

ATMEGA2561V-8AUR - 8-bit AVR MCU 256KB Flash TQFP-64 | Microchip

The Microchip Technology ATMEGA2561V-8AUR is a high-performance, low-power 8-bit AVR RISC microcontroller with 256 KB in-system programmable Flash, 8 KB SRAM, and 4 KB EEPROM, running at up to 8 MHz in a 64-pin TQFP (14x14 mm) package supplied in tape-and-reel format. It operates over an industrial temperature range and integrates 86 general purpose I/O lines. An 8-bit microcontroller (MCU) is a self-contained computing device that integrates a processor core, program memory, data memory, and peripherals on a single chip. Within the power-management hierarchy of embedded systems, the ATmega family sits in the microcontroller IC category: MCU -> embedded processor -> integrated circuit. The AVR core uses an advanced Harvard RISC architecture with 131 instructions, most executing in a single clock cycle, and 32 general purpose working registers, delivering fully static operation and roughly 8 MIPS throughput at the 8 MHz clock limit of the V-8 speed grade. Key differentiating features include six flexible timer/counters with compare modes and PWM, four programmable serial USARTs, a master/slave SPI serial interface, a byte-oriented 2-wire serial interface (TWI/I2C), an 8-channel 10-bit ADC, a real-time counter, and a programmable watchdog timer with a separate on-chip oscillator. The device also provides an on-chip analog comparator, JTAG boundary-scan and on-chip debug, plus interrupt and wake-up on pin change for low-power designs. Architecturally, the ATmega2561 combines 256 KB of self-programmable ISP Flash (organized as 128K x 16) with a boot-loader section, enabling field firmware updates over any of the serial interfaces. The generous 8 KB SRAM and 4 KB EEPROM make it well suited to data logging, protocol handling, and parameter storage without external memory in many designs. Typical applications include industrial automation and control nodes, battery-powered instrumentation where the low-voltage V-grade supply range helps, building control panels, and multi-channel sensor acquisition systems leveraging the 8-channel 10-bit ADC and four USARTs. A key design consideration: the V suffix denotes a lower-speed (8 MHz) grade, so do not clock above 8 MHz; if 5 V and 16 MHz operation are required, select the ATMEGA2561-16AU sibling instead, which shares the same TQFP-64 footprint. This page synthesizes verified distributor pricing, drop-in alternatives, pinout guidance, and practical design notes not consolidated in the manufacturer datasheet alone.

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ATMEGA2561V-8MI

ATMEGA2561V-8MI - 8-bit AVR MCU 256KB Flash 8MHz | Microchip

The Microchip Technology ATMEGA2561V-8MI is an 8-bit AVR RISC microcontroller with 256 KB ISP flash memory, 8 KB SRAM, 4 KB EEPROM, and 86 general purpose I/O lines, housed in a 64-VFQFN exposed-pad package and rated for industrial temperatures of -40C to +85C. An 8-bit AVR microcontroller is a single-chip computer built around the Harvard-architecture AVR RISC core, in which program memory and data memory are separate and all 32 general purpose working registers are directly connected to the arithmetic logic unit (ALU). Within the product hierarchy, the ATmega2561 sits in the high-pin-count, large-memory tier of the AVR ATmega family, above the ATmega128 class and one step below the 100-pin ATmega2560, making it a power management and embedded control IC for code-intensive systems. Key features include a rich instruction set of 131 powerful instructions, most of which execute in a single clock cycle, delivering throughput of up to ten times faster than conventional CISC microcontrollers at the same clock rate. The device integrates six flexible timer/counters with compare modes and PWM, four USARTs, a byte-oriented 2-wire serial interface (I2C-compatible), an SPI interface, an 8-channel 10-bit ADC, a real-time counter, and JTAG boundary scan with on-chip debugging and programming. The ATMEGA2561V-8MI belongs to the V voltage grade, operating from a 1.8V to 5.5V supply with a maximum clock frequency of 8 MHz, which allows battery-powered designs to run directly from two alkaline cells or a single lithium cell. The M suffix denotes industrial temperature range (-40C to +85C) and the I suffix indicates industrial qualification within the ordering code. Typical applications include industrial automation controllers, building control and HVAC systems, battery-operated instrumentation, and embedded gateways where four independent USART ports are used to talk to multiple peripherals simultaneously. A key design consideration is flash endurance and bootloader sizing: with 256 KB of ISP flash, allocate a 4 KB boot section if field firmware updates over USART are planned. This page synthesizes verified distributor inventory, drop-in alternatives, pricing context, and practical design notes not found in the manufacturer datasheet alone.

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ATMEGA2561V-8MU

ATMEGA2561V-8MU - 8-bit AVR MCU, 256KB Flash, 8MHz | Microchip

The Microchip Technology ATMEGA2561V-8MU is an 8-bit AVR RISC microcontroller integrating 256KB (128K x 16) of in-system programmable Flash, 8KB SRAM, and 4KB EEPROM, executing instructions at up to 8 MHz while delivering up to 16 MIPS throughput, all housed in a 64-pin QFN (MU) package measuring 9x9 mm with an exposed thermal pad. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, volatile data memory, and on-chip peripherals such as timers, communication interfaces, and analog blocks. Within the embedded systems taxonomy, the ATmega2561 sits inside Microchip's high-density 8-bit AVR ATmega family: 8-bit MCU -> AVR RISC microcontroller -> embedded controller -> semiconductor IC. These devices typically act as the main control element in industrial controllers, sensor hubs, and communication nodes where deterministic real-time response is required. Key features of the ATMEGA2561V-8MU include the AVR enhanced RISC architecture with 131 powerful instructions (most executed in a single clock cycle), 32 general-purpose working registers, fully static operation, 86 general-purpose I/O lines, four programmable serial USARTs, a master/slave SPI interface, a byte-oriented 2-wire (I2C-compatible) interface, six flexible timer/counters with compare and PWM modes, an 8-channel 10-bit ADC, an on-chip analog comparator, a programmable watchdog timer with separate on-chip oscillator, and pin-change interrupt/wake-up support. The 'V' suffix designates the 1.8V to 5.5V operating voltage range, enabling battery-powered designs and energy-harvesting nodes. Technical depth: the AVR core is a fully static Harvard architecture with on-chip 2-cycle hardware multiplier, JTAG/OCD debugWIRE interfaces for in-circuit debugging, and a boot-loader section that supports self-programming via the on-chip boot code, enabling field firmware updates without an external programmer. The device integrates rich peripherals (USART x4, TWI, SPI, ADC, timers x6) without external glue logic, reducing BOM cost and PCB area in connected embedded nodes. Typical applications include industrial automation controllers requiring multiple USART links for Modbus/RS-485 segments, battery-powered data loggers that benefit from the wide 1.8V to 5.5V supply and low-power idle/power-down modes, building-automation and HVAC nodes using the six timer/counters and PWM outputs, and USB-to-UART bridges or human-machine interfaces. Design consideration: the 64-QFN (MU) land pattern differs from the TQFP-64 (AU) footprint of ATmega2560/1280 siblings, so package choice must be locked early; the exposed thermal pad must be soldered to a grounded copper pour for thermal and electrical performance. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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ATMEGA32-16AC

ATMEGA32-16AC - 8-bit AVR MCU 16MHz 32KB Flash | Microchip

The Microchip Technology ATMEGA32-16AC is a low-power 8-bit AVR RISC microcontroller delivering up to 16 MIPS throughput at 16 MHz, with 32 KB of In-System Programmable Flash, 2 KB SRAM, and 1 KB EEPROM, housed in a 44-pin TQFP (10 x 10 mm) package. A microcontroller (MCU) is a single integrated circuit that combines a processor core, program memory, data memory, and peripherals such as timers, UARTs, and ADCs into one chip. The ATmega32 belongs to the AVR family of enhanced RISC microcontrollers, positioned within the broader embedded processor hierarchy beneath 32-bit ARM MCUs, and is a classic member of the 8-bit microcontroller class used throughout industrial and consumer electronics. Key features include 131 powerful instructions with mostly single-cycle execution, 32 general-purpose working registers, an 8-channel 10-bit ADC, a JTAG interface for on-chip debugging and boundary scan, and self-programming Flash enabling boot-loader based field updates. These peripherals allow a single ATmega32 to replace multi-chip analog-and-logic designs. Architecturally, the AVR core uses a Harvard structure with separate program and data buses, so instruction fetch and data access occur in parallel. With most instructions executing in a single clock cycle, the device achieves close to 1 MIPS per MHz, letting designers run at lower clock frequencies for reduced power while maintaining throughput. Operating voltage is 4.5 V to 5.5 V, making the -16AC grade well matched to 5 V industrial logic levels. Typical applications include industrial control panels, HVAC and building automation, motor control front ends, and 5 V legacy instrumentation where the 10-bit ADC, two 8-bit timers, one 16-bit timer, USART, SPI, and TWI (I2C) interfaces cover the full sensing and communication need of a compact controller. A key design consideration is that the -16AC grade specifies operation at 4.5 V to 5.5 V; designs needing 2.7 V to 5.5 V operation should select the ATmega32L variant. Decouple VCC and AVCC separately with 100 nF capacitors placed close to the pins. This page synthesizes verified distributor data, drop-in alternatives, pinout information, and practical design notes in one place - information not consolidated in the manufacturer datasheet alone.

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ATMEGA32-16AQ

ATMEGA32-16AQ - 8-bit AVR MCU 16MHz 32KB Flash TQFP-44 | Microchip

The Microchip Technology ATMEGA32-16AQ is an 8-bit AVR RISC microcontroller delivering up to 16 MIPS throughput at 16 MHz, with 32KB of self-programming ISP FLASH memory, 2KB SRAM, 1KB EEPROM, and an 8-channel 10-bit ADC, housed in a 44-pin TQFP (10x10 mm) package rated for extended temperature operation. An 8-bit AVR microcontroller is a single-chip processor that integrates a RISC CPU, program memory, data memory, and peripherals such as timers, UART, SPI, and I2C on one die. AVR MCUs sit within the broader hierarchy of embedded processors: microcontroller -> 8-bit MCU family -> AVR ATmega series, positioned for cost-sensitive embedded control where simplicity, 5V tolerance, and single-cycle instruction execution matter more than raw compute throughput. Key features include the advanced RISC architecture with 131 powerful instructions, most executing in a single clock cycle, plus 32 general-purpose working registers directly connected to the ALU. The ATMEGA32-16AQ also integrates a JTAG interface for on-chip debugging and boundary-scan, read-while-write FLASH for in-system self-programming, brown-out detection, power-on reset, watchdog timer, PWM outputs, and I2C, SPI, and UART/USART connectivity. Technically, the Harvard architecture separates program and data buses, allowing instruction fetch and data access to occur simultaneously; this is what enables the 16 MIPS at 16 MHz figure. The 'A' grade suffix in the ordering code denotes the extended (automotive-adjacent) temperature range option, and the part is RoHS-green packaged. Two 8-bit and one 16-bit timer with compare modes support PWM motor control and precise waveform generation. Typical applications include industrial control panels, sensor acquisition systems using the 8-channel 10-bit ADC, and legacy embedded designs maintained for long-term production. Design consideration: this part operates at 4.5V to 5.5V for full 16 MHz speed; verify your supply rail before substituting newer 1.8V-5.5V AVR parts. This page adds distributor-sourced availability data, drop-in alternative analysis, and engineering design guidance not found in the manufacturer datasheet alone.

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ATMEGA32-16AQR

ATMEGA32-16AQR - 8-Bit AVR MCU 32KB 16MHz | Microchip

The Microchip Technology ATMEGA32-16AQR is an 8-bit AVR RISC microcontroller with 32 KB of self-programming Flash, 2 KB SRAM, and 1 KB EEPROM, running at up to 16 MHz and delivering up to 16 MIPS throughput, housed in a 44-pin TQFP (10x10 mm) package with an extended temperature range of -40C to +85C. An AVR microcontroller is a Harvard-architecture 8-bit RISC device that executes most instructions in a single clock cycle from on-chip Flash memory. Within the product taxonomy, the ATmega32 sits under AVR 8-bit MCUs, which belong to the broader microcontroller family, itself a subset of embedded processors and integrated circuits. The ATmega32 family is one of the most widely deployed 8-bit MCU platforms in industrial, consumer, and educational designs because of its 5V operation, rich peripheral set, and mature toolchain. Key features include 32 KB ISP Flash with read-while-write capability, 1 KB EEPROM for non-volatile parameter storage, 2 KB SRAM, 32 general-purpose working registers, 54 general-purpose I/O lines in the TQFP-44 package, an 8-channel 10-bit ADC, a JTAG interface for on-chip debug and boundary scan, and two USARTs. The device supports self-programming via a boot loader, enabling field firmware updates without an external programmer. The ATmega32 uses Microchip's low-power AVR 8-bit RISC core with 131 powerful instructions, most executing in a single clock cycle. The 16 MHz maximum clock yields 16 MIPS, and the 5V operating range provides strong noise immunity for industrial environments. The -16AQR suffix denotes 16 MHz, TQFP package, extended temperature range, Green/RoHS-compliant construction, and tape-and-reel packaging. Typical applications include industrial control panels, motor control, battery chargers, home automation nodes, data loggers, and educational embedded platforms. The 5V I/O and 10-bit ADC make it well suited to direct sensor interfacing without level shifting. When designing with this device, decouple every VCC pin with a 100 nF ceramic capacitor placed close to the pin, and provide a clean analog supply for AVCC when using the ADC. Note that Microchip recommends the newer ATmega32A for new designs. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single reference for selection and second-sourcing.

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ATMEGA32-16AUR

ATMEGA32-16AUR - 8-Bit AVR MCU 32KB Flash 16MHz | Microchip

The Microchip Technology ATMEGA32-16AUR is an 8-bit AVR RISC microcontroller with 32 KB of in-system programmable flash, 2 KB SRAM, and 1 KB EEPROM, running at up to 16 MHz from a 4.5 V to 5.5 V supply in a 44-pin TQFP (10x10 mm) package. It is the tape-and-reel, industrial-temperature variant of the classic ATmega32 and delivers 16 MIPS throughput at 16 MHz. An AVR microcontroller is a Harvard-architecture 8-bit RISC device that executes most instructions in a single clock cycle from on-chip flash memory. Within the product hierarchy, the ATmega32 sits under 8-bit AVR microcontrollers, which belong to the broader microcontroller (MCU) family, itself a subset of embedded processing ICs. The ATmega32 integrates 32 general-purpose working registers, 54/69 general-purpose I/O lines, an 8-channel 10-bit ADC, and a JTAG interface for on-chip debug and boundary scan. Key differentiators include 32 KB ISP flash with read-while-write capability, 1 KB EEPROM for non-volatile parameter storage, 2 KB SRAM, and a rich peripheral set: two 8-bit timers, one 16-bit timer, four PWM channels, USART, SPI, and TWI (I2C) serial interfaces, plus an analog comparator and programmable watchdog. The 16 MHz maximum clock yields 16 MIPS, and the 4.5-5.5 V operating range makes the device directly compatible with legacy 5 V logic. The device uses Atmel/Microchip's low-power CMOS process and supports six sleep modes, including Idle, Power-save, and Power-down, drawing under 1 uA in Power-down at 5 V. In-system programming via SPI or JTAG allows field firmware updates without removing the MCU from the board. Typical applications include industrial control panels, motor control, battery chargers, home automation nodes, and legacy 5 V embedded designs migrating from AT89C51-class parts. The 44-pin TQFP footprint is shared with the ATmega16 and ATmega32A families, enabling straightforward migration. When designing with the ATMEGA32-16AUR, decouple every VCC pin with 100 nF ceramic capacitors placed within a few millimeters of the pin, and use a 10 uF bulk capacitor on the main rail. The AREF pin requires a low-impedance reference source for ADC accuracy. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single reference for procurement and layout decisions.

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ATMEGA32-16MJ

ATMEGA32-16MJ - 8-bit AVR MCU 16MHz 32KB Flash | Microchip

The Microchip Technology ATMEGA32-16MJ is an 8-bit AVR RISC microcontroller delivering up to 16 MIPS throughput at 16 MHz, with 32 KB of self-programming ISP flash, 2 KB SRAM, 1 KB EEPROM, and an 8-channel 10-bit ADC, housed in a 44-pin VQFN (7x7 mm) package for industrial temperature applications. An 8-bit AVR microcontroller is a Harvard-architecture processor that executes most of its 131 powerful instructions in a single clock cycle. Within the power-management hierarchy, the ATmega family sits as a general-purpose embedded controller: microcontroller IC -> AVR 8-bit MCU family -> ATmega32 device, bridging simple timers up to complete system-on-chip control for industrial and consumer products. Key features include 32 KB of in-system-programmable flash with read-while-write capability, a JTAG interface for boundary-scan, on-chip debugging, and programming, three flexible timer/counters, and 32 general-purpose I/O lines backed by 32 general-purpose working registers. The 10-bit ADC resolves input signals across eight multiplexed channels for sensor interfaces. The advanced RISC architecture pairs a single-cycle ALU with fast register access, so effective code density and interrupt latency are predictable. Self-programming flash allows firmware updates in the field through a bootloader without an external programmer. Typical applications include industrial control panels, embedded sensor nodes using the 8-channel ADC, and legacy AVR designs maintained under the MightyCore ecosystem for Arduino-compatible tooling. Design consideration: at 16 MHz operation the supply range is 4.5 V to 5.5 V; always verify flash erase/write cycles against datasheet limits when enabling self-programming. This page synthesizes distributor listings, drop-in alternatives, and practical design notes not consolidated in the manufacturer datasheet.

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ATMEGA32-16PC

ATMEGA32-16PC - 8-Bit AVR MCU 16MHz 32KB Flash DIP-40 | Microchip

The Microchip Technology (Atmel) ATMEGA32-16PC is a low-power 8-bit AVR microcontroller based on the enhanced RISC architecture, executing up to 16 MIPS at 16 MHz, with 32KB of In-System Programmable Flash, 2KB SRAM, 1KB EEPROM, an 8-channel 10-bit ADC, and a 40-pin PDIP (0.600 inch, 15.24 mm) through-hole package. An 8-bit microcontroller is a single-chip computer that integrates a CPU core, program memory, data memory, and peripherals such as timers, communication interfaces, and analog-to-digital converters. The AVR family popularized single-cycle RISC execution, and this part sits in the classic ATmega tier above the smaller ATmega8/ATmega16 devices and below the ATmega64/ATmega128 family in the general-purpose microcontroller hierarchy. Key features include 131 powerful instructions, most executing in a single clock cycle, 32 general-purpose working registers, and up to 16 MIPS throughput at 16 MHz. The ATMEGA32-16PC provides 32 programmable I/O lines, a JTAG interface for on-chip debugging, and hardware connectivity through I2C (TWI), SPI, and UART/USART interfaces, enabling versatile system integration. Technically, the device uses the AVR Harvard architecture with separate program and data buses for parallel instruction fetch and execution. The self-programming Flash allows boot-loader firmware updates in the field, while the 10-bit ADC with 8 multiplexed channels supports direct analog sensor acquisition. Power management features include idle and power-down sleep modes suited to battery-operated designs. Typical applications include education and prototyping (the DIP-40 package is breadboard-friendly), industrial control panels, sensor nodes, and embedded instrumentation requiring 5V logic levels and straightforward in-system programming. Designers should note the DIP-40 0.600-inch footprint is pin-compatible across the ATmega32 DIP family, so PCBs can accept speed or temperature-grade variants without layout changes. This page synthesizes distributor pricing, drop-in alternatives, pinout data, and practical design notes not found in the manufacturer datasheet alone.

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ATMEGA32-16PI

ATMEGA32-16PI - 16MHz 8-bit AVR MCU 32KB Flash DIP-40 | Microchip

The Microchip ATMEGA32-16PI is an 8-bit AVR RISC microcontroller with 32KB of In-System Programmable Flash, 2KB of SRAM, and 1KB of EEPROM, operating at up to 16 MHz for 16 MIPS throughput in a 40-pin PDIP (DIP-40) through-hole package. An 8-bit AVR microcontroller is a self-contained computing device that integrates a processor core, program memory, data memory, and peripherals such as timers, ADCs, and communication interfaces on a single chip. Within the power management and embedded system hierarchy, an MCU sits at the heart of any embedded design, executing user firmware to control sensors, actuators, displays, and communication links. The AVR family, originally developed by Atmel and now manufactured by Microchip Technology, uses an enhanced RISC architecture executing most instructions in a single clock cycle. Key features of the ATMEGA32-16PI include 131 powerful instructions with mostly single-cycle execution, eight general-purpose 8-bit working registers, 32 general-purpose I/O lines, an 8-channel 10-bit ADC, a JTAG interface for on-chip debugging, and a 32KB self-programming Flash program memory. It operates from a 4.5V to 5.5V supply (industrial temperature range -40C to +85C, indicated by the I suffix) and delivers up to 16 MIPS at 16 MHz. Technically, the AVR core is a Harvard-architecture RISC processor with separate program and data buses, allowing one instruction fetch and one data access per cycle. The self-programming Flash enables bootloader firmware updates in the field, while the JTAG boundary-scan and on-chip-debug capability accelerates development. Peripheral set includes two 8-bit timers, one 16-bit timer, PWM channels, USART, SPI, and two-wire (I2C) serial interfaces. Typical applications include industrial control and automation, educational and prototyping platforms (the DIP-40 package fits breadboards and DIP sockets directly), motor control, consumer appliances, and legacy design maintenance where a 5V through-hole MCU is required. Design consideration: the ADC reference and analog supply require AVCC tied to VCC through a low-pass filter for accurate 10-bit conversions; keep decoupling capacitors close to the VCC/GND pins and never leave the RESET pin floating. This page synthesizes distributor pricing, drop-in alternatives, practical design notes, and FAQ content not found on a single manufacturer or distributor page, providing an information gain for engineers and buyers.

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Productos (38.000+)

ATMEGA2560-16AI - 16MHz 256KB AVR MCU | Microchip

ATMEGA2560-16AU - 8-bit AVR MCU 256KB Flash 16MHz | Microchip

ATMEGA2560-16AUA0 - 8-bit AVR MCU 16MHz 256KB | Microchip

ATMEGA2560-16AUR - 8-bit AVR MCU 256KB Flash 16MHz | Microchip (Tape & Reel)

ATMEGA2560-16CU - 8-bit AVR MCU, 16MHz, 256KB Flash | Microchip

ATMEGA2560-16CUR - 8-bit AVR MCU, 16MHz, 256KB Flash | Microchip (Tape & Reel)

ATMEGA2560V-8AI - 8MHz 256KB AVR MCU | Microchip

ATMEGA2560V-8AU - 256KB Flash, 1.8-5.5V AVR MCU 8MHz | Microchip

ATMEGA2560V-8AUR - 256KB Flash, 1.8-5.5V AVR MCU 8MHz | Microchip (Tape & Reel)

ATMEGA2560V-8CU - 8-Bit AVR MCU 256KB 8MHz CBGA-100 | Microchip (Tape & Reel)

ATMEGA2560V-8CUR - 8-Bit AVR MCU 256KB 8MHz CBGA-100 | Microchip

ATMEGA2561-16AU - 8-Bit AVR MCU 16MHz 256KB Flash | Microchip

ATMEGA2561-16AUR - 8-bit AVR MCU 256KB 16MHz | Microchip

ATMEGA2561-16MU - 8-bit AVR MCU 256KB Flash 16MHz 64-QFN | Microchip

ATMEGA2561V-8AUR - 8-bit AVR MCU 256KB Flash TQFP-64 | Microchip

ATMEGA2561V-8MI - 8-bit AVR MCU 256KB Flash 8MHz | Microchip

ATMEGA2561V-8MU - 8-bit AVR MCU, 256KB Flash, 8MHz | Microchip

ATMEGA32-16AC - 8-bit AVR MCU 16MHz 32KB Flash | Microchip

ATMEGA32-16AQ - 8-bit AVR MCU 16MHz 32KB Flash TQFP-44 | Microchip

ATMEGA32-16AQR - 8-Bit AVR MCU 32KB 16MHz | Microchip

ATMEGA32-16AUR - 8-Bit AVR MCU 32KB Flash 16MHz | Microchip

ATMEGA32-16MJ - 8-bit AVR MCU 16MHz 32KB Flash | Microchip

ATMEGA32-16PC - 8-Bit AVR MCU 16MHz 32KB Flash DIP-40 | Microchip

ATMEGA32-16PI - 16MHz 8-bit AVR MCU 32KB Flash DIP-40 | Microchip