Microcontroladores

ATMEGA6450P-AUR

ATMEGA6450P-AUR - 8-Bit AVR MCU 64KB Flash 20MHz | Microchip

The Microchip Technology ATMEGA6450P-AUR is a high-performance 8-bit AVR RISC microcontroller with 64KB in-system programmable Flash, 2KB EEPROM, 4KB SRAM and up to 20MHz operation, housed in a 100-pin TQFP (14x14 mm) package. An 8-bit AVR microcontroller is a single-chip computer built around the AVR enhanced RISC architecture, in which 32 general purpose working registers are directly connected to the arithmetic logic unit (ALU). Because two independent registers can be accessed in a single instruction executed in one clock cycle, the architecture achieves throughputs of up to 1 MIPS per MHz - roughly ten times faster than conventional CISC microcontrollers - placing the ATmega family in the general-purpose microcontroller tier of the embedded processing hierarchy. Key features of the ATMEGA6450P-AUR include picoPower technology for low-power battery operation, read-while-write Flash for self-programming, 54 or 69 general purpose I/O lines depending on package, and industrial temperature operation (-40C to +85C). Supply voltage spans 1.8V to 5.5V per distributor parametric data (2.5V/3.3V/5V typical rails), allowing direct battery-powered designs. The AVR core combines a rich instruction set with single-cycle execution; peripherals typically integrated in this family include USART, SPI, I2C (TWI), timers, ADC and an LCD controller segment in the 64xx family, enabling compact single-chip designs. On-chip In-Circuit Serial Programming (ICSP) via tools such as the MPLAB SNAP allows firmware updates without removing the device from the board. Typical applications include industrial control panels, consumer appliances, metering and instrumentation, and LCD-equipped human-machine interfaces where a large I/O count and in-system programmable Flash are valuable. Design consideration: verify the clock source (crystal versus internal RC) early, since the picoPower sleep modes achieve lowest current only with the appropriate fuse settings and brown-out configuration. This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet summary, with pricing references as of 2026-09-18.

USD $4,18 Em estoque

ATMEGA6450V-8AI

ATMEGA6450V-8AI - 8-bit AVR MCU 64KB Flash 8MHz | Microchip

The Microchip Technology ATMEGA6450V-8AI is a high-performance, low-power AVR 8-bit microcontroller with 64KB of in-system programmable Flash memory, 4KB of SRAM and 2KB of EEPROM, executing at up to 8 MHz across a 1.8V to 5.5V supply range, housed in a 100-pin TQFP (14x14 mm) surface-mount package. It belongs to the ATmega megaAVR family, an 8-bit microcontroller class built on an advanced RISC architecture with 130 mostly single-cycle instructions. An AVR microcontroller combines a Harvard-architecture CPU, program Flash, data SRAM, EEPROM and peripheral functions on a single die, sitting within the wider embedded-controller hierarchy of MCU -> microcontroller -> semiconductor. The RISC core executes most instructions in one clock cycle, achieving up to 8 MIPS at 8 MHz while remaining a single-cycle-per-instruction machine for deterministic code timing. Key features include 64KB (32K x 16) self-programmable Flash supporting in-system and boot-section programming, 4KB internal SRAM for data buffers, 2KB EEPROM for non-volatile parameter storage, and an integrated 10-bit ADC referenced in distributor data at the 1.8V low-voltage operating point. The wide 1.8V-to-5.5V supply range distinguishes the V-variant from standard 2.7V/4.5V parts, allowing operation directly from two alkaline cells or a 5V rail without a regulator. The architecture uses a fast-register-file design with eight general-purpose working registers directly connected to the ALU, enabling single-cycle arithmetic between registers. Hardware program/boot lock bits, in-system programmable (ISP) Flash and an on-chip debug interface reduce development cycle time and support field firmware updates over UART or SPI bootloaders. Typical applications include industrial automation control nodes, consumer electronics, and building instrumentation where 64KB of code space, multiple serial links and low-voltage battery operation are required. Distributor listings such as Microchip USA classify the device for industrial automation, consumer and automotive-adjacent use cases. A key design consideration: at 5V the maximum clock is 8 MHz for the V speed grade, so verify frequency-versus-voltage operating envelopes before overclocking designs migrated from 16 MHz 5V parts. This page synthesizes verified distributor pricing, drop-in alternative cross-references and practical design guidance not found in the manufacturer datasheet.

USD $2,25 Em estoque

ATMEGA6450V-8AU

ATMEGA6450V-8AU - 8-bit AVR MCU, 64KB Flash, 8MHz | Microchip

The Microchip Technology ATMEGA6450V-8AU is a high-performance, low-power 8-bit AVR microcontroller with 64KB of In-System Programmable Flash, 2KB EEPROM, and 4KB SRAM, operating at up to 8 MHz and housed in a 100-pin TQFP (14 x 14 mm) surface-mount package. An 8-bit AVR microcontroller is a RISC-based single-chip processor in the voltage regulator-to-processor hierarchy of embedded power and control electronics. The AVR architecture executes most of its 130 powerful instructions in a single clock cycle, giving throughput of up to 8 MIPS at 8 MHz while consuming very little power. The ATMEGA6450V sits in the ATmega large-pin-count family alongside the ATmega640, ATmega1280, and ATmega2560, and uniquely integrates a segment LCD drive capability that the standard ATmega640 family lacks. Key differentiating specifications include 64KB (32K x 16) self-programmable Flash memory, a 10-bit ADC, 53 general-purpose I/O lines, and an extended low-voltage operating range - the V-variant is specified for operation down to 1.8V, which supports battery-powered and energy-harvesting designs that the standard 4.5V-5.5V parts cannot serve. Technically, the device uses the AVR advanced RISC architecture with 8 general-purpose working registers, on-chip in-system programmable (ISP) Flash, JTAG/ debugWIRE-style programming access via the ICSP interface, and peripheral set including USARTs, timers, SPI, and the LCD controller. The two-cycle-execution-worst-case RISC core keeps interrupt latency predictable, important for real-time control loops. Typical applications include utility metering with LCD displays, industrial control panels, battery-operated instrumentation, and building automation nodes where a 1.8V-capable MCU with integrated LCD drive reduces BOM count. Design consideration: at 8 MHz the ATmega6450V can run from a wide supply window, but peripheral performance (ADC clock, LCD frame rate) must be scaled accordingly in firmware; do not reuse 16 MHz initialization code from 5V ATmega640 designs. This page synthesizes verified distributor pricing, drop-in alternatives within the same 100-TQFP footprint, and practical design notes not consolidated in the manufacturer datasheet. Pricing references are as of 2026-09-18.

USD $2,31 Em estoque

ATMEGA6450V-8AUR

ATMEGA6450V-8AUR - 8MHz AVR MCU 64KB Flash TQFP-100 | Microchip

The Microchip Technology ATMEGA6450V-8AUR is an 8-bit AVR ATmega microcontroller with 64KB (32K x 16) In-System Programmable Flash, 2KB EEPROM, 4KB SRAM, and a maximum CPU clock of 8 MHz, housed in a 100-pin TQFP (14 x 14 mm) package delivered in tape and reel format. It belongs to the low-voltage ATmega6450V family, operating at supply voltages down to 1.8V. A microcontroller (MCU) is a self-contained embedded processor that integrates a CPU core, program memory, data memory, and peripherals on a single die. The ATmega family occupies the mid-range of the 8-bit microcontroller hierarchy, sitting above small devices like the ATmega48/328 and below the 128KB ATmega1280/2560, and it remains a workhorse of industrial embedded design due to its simple RISC core, broad toolchain support (Atmel Studio / MPLAB X, avr-gcc), and long product lifecycle. Key features include the AVR advanced RISC architecture with 130 powerful instructions, most executing in a single clock cycle; 32 general-purpose 8-bit working registers; In-System Programmable (ISP) Flash permitting firmware update on the assembled board; and an integrated segment LCD controller, a signature peripheral of the ATmega6450 that directly drives glass LCD panels in metering and appliance products. Per the ATmega6450 family datasheet, the device also integrates an 8-channel 10-bit ADC, multiple timer/counters with PWM, USART, SPI, and Two-Wire Interface (TWI/I2C) serial channels, brown-out reset, and an internal calibrated RC oscillator that reduces external component count. The V-speed-grade device in the -8A variant is characterized for 1.8V to 5.5V operation at up to 8 MHz with industrial temperature range, making it well suited to battery-powered and 3V-system designs where the standard 16 MHz ATmega6450P would exceed the voltage budget. Self-programming Flash with a separate boot lock section enables field firmware updates over serial interfaces. Typical applications include utility meters and energy-monitoring units with direct LCD drive, low-power battery-operated industrial sensors, consumer appliance HMI boards, and legacy production lines standardized on the ATmega megaAVR ecosystem. Designers should budget the 4KB SRAM carefully: with LCD frame buffers and communication stacks, static allocation in C projects can approach the ceiling, so use the linker map and stack-usage analysis early in the design cycle. This page synthesizes distributor pricing, drop-in alternatives, pinout guidance, and practical design notes not found in the manufacturer datasheet, with data verified as of 2026-09-18.

USD $6,41 Em estoque

ATMEGA645A-AU

ATMEGA645A-AU - 8-bit AVR MCU 64KB Flash 16MHz TQFP-64 | Microchip

The Microchip Technology ATMEGA645A-AU is a high-performance, low-power 8-bit AVR RISC microcontroller with 64 KB of In-System Programmable (ISP) Flash memory, 2 KB EEPROM, 4 KB SRAM, and a maximum CPU speed of 16 MHz, housed in a 64-pin TQFP (14x14 mm) surface-mount package. A microcontroller (MCU) is a single-chip computer that integrates a processor core, program memory, data memory, and peripherals such as timers, UARTs, and ADCs. The ATmega645A belongs to the AVR ATmega family of 8-bit microcontrollers, which sit within the broader hierarchy of embedded processors used in industrial, consumer, and automotive-adjacent electronics. AVR cores execute most instructions in a single clock cycle, delivering roughly 1 MIPS per MHz. Key features include an advanced RISC architecture with approximately 130 powerful instructions, most executing in a single cycle; 54 general-purpose I/O lines in the 64-pin TQFP; a 10-bit ADC with up to 8 single-ended or 7 differential channels; an integrated LCD controller supporting up to 4 COM x 25 SEG for segment displays; and an 8-channel, 2-wire (TWI/I2C) plus SPI and UART serial interface set. Technical depth comes from the Harvard-architecture AVR core with 32 general-purpose working registers directly connected to the ALU, allowing two independent registers to be accessed in one instruction. The 64 KB Flash supports read-while-write operation, enabling self-programming and firmware updates in the field, while in-system programming via SPI allows production programming without removing the device from the PCB. Typical applications include industrial control panels and instruments with segment-LCD displays, battery-powered meters and data loggers, building automation nodes, and consumer appliances requiring a low-power 8-bit core with generous Flash headroom. The LCD controller eliminates an external LCD driver in display-based designs. Design consideration: the ATmega645A achieves its 16 MHz maximum over the 4.5 V to 5.5 V supply range; use the 1.8 V/3 V -rated V variant for low-voltage designs and derate clock speed at lower VCC per the datasheet frequency-voltage curve. This page synthesizes drop-in same-family alternatives, application guidance, and structured comparison data not consolidated in the manufacturer datasheet.

USD $3,95 Em estoque

ATMEGA645A-AUR

ATMEGA645A-AUR - 8-bit AVR MCU 64KB Flash 16MHz TQFP-64 | Microchip

The Microchip Technology ATMEGA645A-AUR is a high-performance, low-power 8-bit AVR RISC microcontroller with 64 KB ISP FLASH memory (32K x 16), 2 KB EEPROM, 4 KB SRAM, and up to 54 general-purpose I/O lines, housed in a 64-pin TQFP (14 x 14 mm) surface-mount package supplied in tape and reel. An 8-bit AVR microcontroller is a single-chip computer built around the AVR enhanced RISC architecture, executing most instructions in a single clock cycle. Within the semiconductor hierarchy it belongs to the microcontroller (MCU) category under embedded processors, positioned as a mid-density member of the megaAVR family that spans flash sizes from 16 KB to 256 KB. MCUs of this class integrate CPU, program memory, data memory, timers, ADC, serial interfaces, and an on-chip LCD controller in one package, replacing multi-chip solutions in embedded designs. Key features include a 16 MHz maximum operating frequency delivering up to 16 MIPS, 1 KB internal SRAM-backed plus external memory interfacing through the xmem bus on ports A and C, a 10-bit ADC with up to 8 single-ended channels, and an integrated segment-driver LCD controller with up to 25 segment outputs - a distinguishing feature versus LCD-less siblings such as ATmega64. The device also provides two USARTs, SPI, two-wire interface (I2C), a 16-bit Timer/Counter1, two 8-bit timers, an analog comparator, and JTAG for on-chip debugging and boundary scan. Architecturally, the AVR core uses 32 general-purpose working registers directly connected to the ALU, allowing one-cycle execution and efficient C compilation. Read-while-write FLASH supports self-programming for boot-loader firmware updates. The picoPower-inherited A-series die offers improved power efficiency over the original ATmega645, with operating voltage from 2.5 V to 5.5 V per the datasheet family range. Typical applications include industrial instrumentation with segment LCD displays, battery-powered metering, building automation panels, and consumer appliance human-machine interfaces, where the combination of LCD drive, 64 KB code space, and low idle power is decisive. Design consideration: the LCD controller shares port pins with general I/O; if the LCD is unused, configure the LCDCR registers for full GPIO use and validate the 32.768 kHz timer oscillator routing for RTC accuracy. This page adds value beyond the manufacturer datasheet by consolidating verified distributor pricing, drop-in family alternatives, application pairings, and practical design notes in one AI-citable reference.

USD $4,68 Em estoque

ATMEGA645A-MU

ATMEGA645A-MU - 8-Bit AVR MCU 16MHz 64KB Flash | Microchip

The Microchip Technology ATMEGA645A-MU is an 8-bit AVR RISC microcontroller with 64 KB of In-System Programmable Flash, 4 KB SRAM, 2 KB EEPROM, and a 16 MHz maximum clock frequency, housed in a 64-pin QFN (9x9 mm) package with exposed pad. An 8-bit AVR ATmega microcontroller is a Harvard-architecture RISC processor that executes most instructions in a single clock cycle, positioning it in the embedded hierarchy as: ATMEGA645A -> ATmega family -> AVR 8-bit MCU -> microcontroller unit (MCU). These devices integrate program memory, data memory, peripherals, and a CPU core on a single die, making them a complete embedded control solution. Key features include single-cycle RISC execution through 32 general-purpose working registers, read-while-write Flash for self-programming, JTAG boundary-scan and on-chip debugging, and a rich analog and timer peripheral set. The device operates from 1.8V to 5.5V, supporting both battery-powered and 5V industrial designs. The AVR core combines a fast ALU with the 32-register file, which is directly connected to the ALU, allowing two independent registers to be accessed in one instruction executed in one clock cycle. This architecture achieves throughputs up to 16 MIPS at 16 MHz, roughly ten times faster than conventional CISC microcontrollers. Peripherals include an 8-channel 10-bit ADC, USART, SPI, two-wire interface (TWI/I2C), timers with PWM, and an on-chip temperature sensor. Typical applications include industrial control panels, HVAC and building automation, consumer appliances, metering systems, and LCD-equipped instruments, where the ATMEGA645A's large 64 KB Flash accommodates C-based firmware with graphics or communication stacks. When designing, plan the clock source early: at 5V the device supports up to 16 MHz, and an external crystal plus decoupling on AVCC is required for full ADC accuracy. This page synthesizes verified distributor pricing, same-family drop-in alternatives, and practical AVR design guidance not found in the manufacturer datasheet.

USD $3,70 Em estoque

ATMEGA645A-MUR

ATMEGA645A-MUR - 8-bit AVR MCU 64KB Flash 64-QFN | Microchip

The Microchip Technology ATMEGA645A-MUR is an 8-bit AVR RISC microcontroller with 64 KB in-system programmable Flash, 2 KB EEPROM, 4 KB SRAM, and up to 20 MHz maximum clock operation, housed in a 64-pad QFN (9x9 mm) surface-mount package. An 8-bit AVR microcontroller is a self-contained computing IC that integrates a RISC processor core, program memory, data memory, peripherals, and general-purpose I/O on a single die. Within the power-management and embedded-systems hierarchy, MCUs like the ATmega645A sit at the application-control layer, executing user firmware that reads sensors, drives actuators, and manages communication in appliances, instruments, and industrial equipment. Key features of the ATMEGA645A-MUR include the AVR enhanced RISC architecture executing most instructions in a single clock cycle, 54 general-purpose I/O lines (with the family supporting up to 54/69 I/O depending on package), 32 general-purpose working registers, in-system programmable Flash with read-while-write capability, and an industrial temperature range suitable for demanding environments. The A-suffix silicon revision offers improved performance over the original ATmega645. Technically, the device combines a Harvard-architecture 8-bit core with 64 KB (32K x 16) Flash organized for ISP programming, 2 KB of nonvolatile EEPROM for parameter storage, and 4 KB of internal SRAM for runtime data. Peripherals typically include an 8-channel 10-bit ADC, analog comparator, USART serial interface, SPI, two-wire interface, timers/counters, and a JTAG interface for debugging and boundary scan, as described on the Microchip ATmega645A product page. Typical applications include industrial control panels, HVAC and appliance controllers, battery-powered instrumentation, LED and LCD display systems, and embedded human-machine interfaces where a mid-range 8-bit MCU with generous Flash is required. When designing with this part, note that it is a 4.5 V to 5.5 V supply device; ensure the power rail stays within this window and observe the indicated clock frequency rating for your temperature and voltage operating point. This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.

USD $6,30 Em estoque

ATMEGA645P-AU

ATMEGA645P-AU - 8-bit AVR MCU 64KB Flash 16MHz TQFP-64 | Microchip

The Microchip ATMEGA645P-AU is an 8-bit AVR RISC microcontroller with 64KB of in-system programmable ISP Flash memory, 2KB EEPROM, 4KB SRAM, and up to 54 general-purpose I/O lines, packaged in a 64-pin TQFP (14x14 mm) surface-mount package and rated for industrial temperature operation at up to 16 MHz over 2.5V, 3.3V, and 5V supply ranges. An 8-bit AVR microcontroller is a Harvard-architecture processor that executes most instructions in a single clock cycle. Within the power-management hierarchy, it combines a CPU core, program memory, data memory, and peripheral controllers (timers, UART, SPI, TWI/I2C, ADC) on a single semiconductor die, replacing multi-chip board-level solutions and reducing BOM cost and board area. Key differentiating features include the picoPower technology platform for low active and sleep-mode consumption, read-while-write Flash for self-programming and bootloader applications, 32 general-purpose working registers directly connected to the ALU, an on-chip 10-bit ADC, and In-Circuit Serial Programming ICSP via just two I/O pins plus reset, supported by tools such as the MPLAB SNAP debugger. Architecturally, the AVR RISC core achieves roughly 1 MIPS per MHz, so at the maximum 16 MHz clock the ATmega645P delivers close to 16 MIPS throughput. The picoPower process family (the P-suffix generation) supersedes the non-P ATmega645 with lower power figures while remaining a documented drop-in replacement under Microchip application note AVR534. Typical applications include industrial control panels, HVAC and building automation, battery-powered instrumentation, consumer appliances, and embedded human-machine interfaces where a 5V-tolerant, flash-based 8-bit MCU with rich I/O count is preferred. Design consideration: choose the clock source and bod (brown-out detector) settings carefully at 5V versus 3.3V operation, since the guaranteed 16 MHz maximum frequency applies to the 4.5V to 5.5V range; at 2.7V to 5.5V the safe maximum is lower per the datasheet frequency-versus-voltage curve. This page synthesizes distributor pricing, verified drop-in alternatives, application guidance, and comparison tables not found in the manufacturer datasheet, with pricing as of 2026-09-18.

USD $4,60 Em estoque

ATMEGA645P-AUR

ATMEGA645P-AUR - 8-bit AVR MCU, 64KB Flash, 16MHz | Microchip

The Microchip Technology ATMEGA645P-AUR is an 8-bit AVR ATmega microcontroller with 64KB (32K x 16) In-System Programmable Flash, 2KB EEPROM, 4KB SRAM, and a 16 MHz maximum clock speed, packaged in a 64-pin TQFP (14x14 mm) for surface-mount assembly. The picoPower-generation P variant executes powerful single-cycle instructions from its AVR enhanced RISC core, delivering throughputs approaching 1 MIPS per MHz. An 8-bit microcontroller is a complete computing system on a single chip, combining a processor core, program memory, data memory, and peripherals such as timers, UARTs, and ADCs. Within the Microchip (formerly Atmel) hierarchy, the ATmega family sits above the ATtiny series and below the 32-bit AVR/ARM lines, addressing mid-range embedded control tasks where rich peripherals and large flash matter. Key features include 64 general-purpose working registers directly connected to the ALU, 53 general-purpose I/O lines, in-system programmable flash supporting ICSP via debugWIRE-style programming tools, and operation across industrial temperature ranges in the TQFP-64 footprint. The P-suffix denotes the picoPower-optimized die, an upwards-compatible drop-in improvement over the ATmega645A per Atmel application note AVR534. Technically, the AVR architecture achieves code efficiency through a rich instruction set executing mostly in single clock cycles, while the 4KB SRAM accommodates stack-heavy C code and the 2KB EEPROM retains calibration data through power cycles. Supply voltage for the -AU industrial speed grade is specified at 4.5V to 5.5V at 16 MHz operation. Typical applications include industrial automation controllers, consumer appliance interfaces with segment-LCD-adjacent sibling parts, metering systems, and hobby/education platforms where the large flash permits bootloader-based field updates. When designing, decouple VCC/AVCC with 0.1uF ceramics close to the package and reserve the ICSP header (MOSI/MISO/SCK/RESET) for field programming. This page synthesizes distributor pricing, drop-in alternatives, pin-compatibility guidance, and practical design notes not found in the manufacturer datasheet.

USD $4,50 Em estoque

ATMEGA645P-MU

ATMEGA645P-MU - 8-Bit AVR MCU 64KB 16MHz 64-QFN | Microchip

The Microchip Technology ATMEGA645P-MU is a high-performance 8-bit AVR RISC microcontroller with 64 KB ISP Flash memory, 2 KB EEPROM, 4 KB SRAM, and up to 54 general-purpose I/O lines, housed in a 64-pad QFN (9x9 mm, MLF) surface-mount package and rated for 16 MHz operation. An 8-bit AVR microcontroller is a Harvard-architecture RISC processor that executes most instructions in a single clock cycle, making it a mainstay of the broader embedded microcontroller and power-management hierarchy for cost-sensitive control applications. The ATmega family from Microchip (originally Atmel) is one of the most widely deployed 8-bit MCU platforms in industrial and consumer designs. Key features include 64 KB of self-programmable ISP Flash with read-while-write capability, a picoPower technology portfolio for low active and sleep currents, 32 general-purpose working registers, an on-chip LCD controller (segment drive) inherited from the ATmega645/6490 family, JTAG for on-chip debugging, and a rich peripheral set including 8-channel 10-bit ADC, USART, SPI, and two-wire interface (I2C). Technically, the AVR core achieves close to 1 MIPS per MHz, so at the 16 MHz maximum clock the device delivers roughly 16 MIPS throughput. Operating voltage spans 2.7 V to 5.5 V for the 16 MHz speed grade, and the picoPower P-suffix die improves sleep-mode consumption relative to the non-P ATmega645, benefiting battery-powered designs. Typical applications include industrial control panels with LCD displays, building automation and HVAC controllers, battery-operated metering, and consumer appliance user interfaces where on-chip segment LCD driving reduces BOM cost. A key design consideration: the 64-QFN package exposes a large center die pad that must be soldered to a grounded PCB thermal pad for reliable operation and mechanical integrity, and QFN rework requires skilled profiling. This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet, with all key data verified against live distributor listings as of 2026-09-18.

USD $4,21 Em estoque

ATMEGA645P-MUR

ATMEGA645P-MUR - 8-bit AVR MCU 64KB Flash 16MHz | Microchip

The Microchip Technology ATMEGA645P-MUR is a high-performance 8-bit AVR RISC microcontroller with 64 KB ISP Flash memory, 4 KB SRAM, 2 KB EEPROM, and a 16 MHz maximum clock frequency, housed in a 64-pin VFQFN (9x9 mm) exposed-pad package. It operates from a 4.5 V to 5.5 V supply and provides 54 general purpose I/O lines. An 8-bit AVR microcontroller is a Harvard-architecture processor that executes most instructions in a single clock cycle, sitting within the broader hierarchy of embedded processors: ATmega family -> AVR 8-bit MCU -> microcontroller unit (MCU) -> semiconductor integrated circuit. MCUs integrate CPU, memory, and peripherals such as timers, UART, SPI, and ADC on one die, replacing multi-chip solutions in cost- and space-sensitive embedded designs. Key features of the ATMEGA645P include picoPower technology for low power consumption, read-while-write Flash for self-programming bootloaders, 32 general purpose working registers, and an on-chip 10-bit ADC. The picoPower process and multiple sleep modes make it suitable for battery-aware and low-duty-cycle applications without sacrificing the industry-standard AVR instruction set and toolchain compatibility. Technically, the device is based on the enhanced AVR RISC core with single-cycle instruction execution, achieving up to 16 MIPS throughput at 16 MHz. In-system programmable (ISP) Flash with read-while-write support enables firmware updates in the field via SPI or a bootloader, while JTAG-boundary considerations and lock bits protect intellectual property. Supply operation at 4.5-5.5 V targets 5 V industrial noise-margin environments. Typical applications include industrial control and automation nodes, consumer appliances, HVAC and building control systems, and sensor-interface boards where 5 V compatibility and a large peripheral set simplify board-level design. A key design consideration: the ATmega645P-16 is a 5 V part (4.5-5.5 V); for 2.7-5.5 V operation at reduced speed, select the ATmega645V speed-grade variant instead. Ensure adequate decoupling and exposed-pad grounding on the QFN for signal integrity. This page synthesizes verified distributor pricing, drop-in family alternatives, practical design notes, and application guidance not consolidated in the manufacturer datasheet.

USD $5,05 Em estoque

ATMEGA645V-8AI

ATMEGA645V-8AI - 64KB AVR MCU, 8MHz, TQFP-64 | Microchip

The Microchip Technology ATMEGA645V-8AI is an 8-bit AVR RISC microcontroller with 64KB of In-System Programmable Flash, 4KB SRAM, 2KB EEPROM, and a maximum clock frequency of 8 MHz, packaged in a 64-pin TQFP (14 x 14 mm) for industrial temperature operation. An AVR ATmega microcontroller is an 8-bit reduced-instruction-set (RISC) MCU that executes most of its instructions in a single clock cycle, positioning it in the embedded microcontroller hierarchy above simple 4-bit controllers and below 32-bit ARM-class devices. The ATmega645V belongs to the megaAVR family and integrates program memory, data memory, peripherals, and CPU on one die, making it a complete embedded processing solution for standalone control tasks. Key features include the advanced AVR RISC architecture with 130 powerful instructions, 64KB (32K x 16 organization) ISP Flash with Read-While-Write capability, 2KB EEPROM for non-volatile parameter storage, 4KB internal SRAM, and an 8-channel 10-bit ADC. A JTAG interface provides on-chip debugging and Boundary-scan capability, while three flexible Timer/Counters support PWM and event timing. The V-grade speed/voltage class permits operation from 2.7V to 5.5V, allowing use on 3.3V or 5V rails. Architecturally, the device pairs a fast-access register file of 32 general-purpose working registers with single-cycle execution, achieving approximately 8 MIPS throughput at the 8 MHz maximum frequency. In-System Programmability permits firmware updates on the assembled board through SPI or JTAG. Typical applications include industrial control panels, sensor data loggers, metering front ends leveraging the 10-bit ADC, and legacy embedded systems requiring 5V-tolerant I/O with ample Flash for protocol stacks or user interfaces. Design consideration: the 8 MHz ceiling means timing-critical loops must be budgeted accordingly; if 16 MHz operation or a wider 4.5V-5.5V-only supply is acceptable, the ATMEGA645-16AI variant provides identical pinout at double throughput. This page synthesizes verified distributor data, drop-in same-family alternatives, and practical design notes not consolidated in the manufacturer datasheet.

Cotação Em estoque

ATMEGA645V-8AUR

ATMEGA645V-8AUR - 8-bit AVR MCU 64KB Flash 8MHz | Microchip

The Microchip Technology ATMEGA645V-8AUR is a high-performance, low-power AVR 8-bit microcontroller with 64KB of In-System Programmable Flash, 2KB EEPROM, 4KB SRAM, and a maximum clock frequency of 8 MHz, housed in a 64-pin TQFP surface-mount package rated for industrial temperature environments and supplied on Tape & Reel. An 8-bit microcontroller is an integrated circuit that combines a processor core, program memory, data memory, and peripherals on a single chip. Within the power-management hierarchy of embedded systems, an MCU sits at the lowest processing layer, executing control logic for sensors, displays, actuators, and communication interfaces. The AVR family, originally developed by Atmel and now manufactured by Microchip Technology, is built on an advanced RISC architecture executing most of its 130 instructions in a single clock cycle. Key features of the ATMEGA645V-8AUR include its 64KB self-programmable Flash for firmware storage, 64-pin TQFP footprint with gull-wing terminals suited to automated assembly, an AVR RISC core with 32 general-purpose working registers, and low-power operation across a wide supply range, with the V-grade suffix indicating extended low-voltage operation from 1.8 V. This makes the device suitable for battery-powered designs where 5 V rails are unavailable. Technically, the core achieves roughly 1 MIPS per MHz throughput, meaning an 8 MHz clock yields approximately 8 MIPS of integer performance. The ATmega645 family integrates an LCD controller along with standard AVR peripherals including timers, USART, SPI, and a 10-bit ADC, consolidating display-driving capability directly into the MCU and reducing external component count in segmented-LCD products. Typical applications include battery-operated metering devices, appliance control panels with segmented LCDs, industrial sensor nodes, and low-voltage portable instrumentation. The combination of Flash self-programming, EEPROM for calibration data, and an integrated LCD driver fits single-chip meter and panel-controller architectures particularly well. Design consideration: because the V-suffix device is specified at 8 MHz maximum, designs needing higher throughput should select the 16 MHz ATMEGA645-16AI variant, which trades low-voltage range for speed. This page synthesizes distributor pricing, verified drop-in alternatives within the ATmega645/3290 families, and practical design guidance not found in the manufacturer datasheet alone.

USD $4,20 Em estoque

ATMEGA645V-8MUR

ATMEGA645V-8MUR - 8MHz AVR 64KB Flash MCU | Microchip

The Microchip Technology ATMEGA645V-8MUR is an 8-bit AVR ATmega microcontroller with 64KB (32K x 16) in-system programmable FLASH, 2KB EEPROM, 4KB SRAM and a maximum clock frequency of 8 MHz, housed in a 64-pin QFN (9x9 mm) exposed-pad package. The V suffix denotes the 1.8V to 5.5V wide operating voltage range, and the -8 grade certifies 8 MHz operation down to 1.8V. An 8-bit AVR microcontroller executes a rich RISC instruction set - 130 powerful instructions, most single-cycle - from a Harvard-architecture core that fetches instructions and data over separate buses. Within the power-management hierarchy, it sits as an embedded MCU integrating program memory, data memory, timers, ADC and serial peripherals on a single die. Key features include in-system programmable (ISP) FLASH enabling firmware updates on the assembled PCB, four flexible timer/counters with PWM channels, an 8-channel 10-bit ADC, USART, SPI and two-wire (I2C) serial interfaces, and the JTAG interface for on-chip debug and boundary scan. Architecturally, the AVR core achieves close to 1 MIPS per MHz, so the 8 MHz ATMEGA645V delivers roughly 8 MIPS while drawing only microamp-level current in power-down sleep mode, making the low-voltage V variant well suited to battery-powered systems. Typical applications include battery-powered instrumentation, industrial sensors and control nodes, consumer appliances, and LCD-adjacent control tasks within the ATmega megaAVR family ecosystem. When designing with this device, budget the 8 MHz ceiling against your algorithm's MIPS requirements, and remember the V grade trades maximum speed for a 1.8V low-voltage floor - a 5V 16 MHz system should choose the ATmega645-16 variant instead. This page synthesizes distributor pricing, same-family drop-in alternatives, design notes, and long-tail search coverage not found in a single manufacturer datasheet.

USD $1,98 Em estoque

ATMEGA649-16AI

ATMEGA649-16AI - 8-Bit AVR MCU 16MHz 64KB Flash | Microchip

The Microchip Technology ATMEGA649-16AI is an 8-bit AVR RISC microcontroller with 64KB ISP Flash (32K x 16), 2KB EEPROM, 4KB SRAM, a 16MHz maximum CPU clock, and an integrated segment LCD controller, housed in a 64-pin TQFP (14x14 mm) package in industrial temperature grade. An 8-bit AVR microcontroller is a Harvard-architecture RISC processor that executes most instructions in a single clock cycle, sitting at the low end of the embedded processing hierarchy below 32-bit MCUs but above dedicated logic. Microcontrollers of this class combine CPU, program memory, data memory, and peripherals in a single chip, serving as the central control element of an embedded system. Key features include 130 powerful instructions with most executing in a single clock cycle, self-programming Flash with read-while-write capability for boot-loader applications, JTAG for on-chip debugging and boundary scan, and an on-chip LCD driver that offloads segment driving from software. The 54 general-purpose I/O lines available in the TQFP-64 package provide extensive connectivity to keypads, displays, and sensors. Technically, the device belongs to the AVR ATmega family with 32 general-purpose working registers directly connected to the ALU, enabling single-cycle execution and code efficiency up to six times faster than conventional CISC MCUs. In-System Programming (ISP) allows firmware updates on the assembled board through SPI, while In-Circuit Serial Programming and debugging are supported via tools such as the MPLAB SNAP connected through an 8-pin SIL header. Typical applications include consumer appliances with LCD user interfaces, metering products, industrial control panels, and battery-powered instruments, where the integrated LCD controller and low-power AVR core reduce board area and power consumption compared with a discrete LCD driver. Design consideration: the LCD controller multiplexes a number of segment pins with general-purpose I/O, so pin budgeting must be completed early in the schematic capture process to avoid redesign. This page synthesizes distributor pricing leads, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet, as of 2026-09-18.

Cotação Em estoque

ATMEGA649-16AU

ATMEGA649-16AU - 8-Bit AVR MCU 64KB LCD | Microchip

The Microchip Technology ATMEGA649-16AU is a high-performance, low-power 8-bit AVR RISC microcontroller with 64 KB ISP Flash memory (32K x 16), 2 KB EEPROM, 4 KB SRAM, an integrated LCD controller, and a maximum clock frequency of 16 MHz, housed in a 64-pin TQFP (14 x 14 mm) package. An 8-bit AVR microcontroller is a single-chip computing device built on the AVR enhanced RISC architecture, which executes most instructions in a single clock cycle. Within the system hierarchy, the ATmega649 sits in the power-management-and-control layer of an embedded system, combining a processing core, non-volatile memory, analog-to-digital conversion, serial interfaces, and an LCD driver on one die. This level of integration replaces multiple discrete components and is a classic choice for cost-sensitive, display-based embedded products. Key features include 54/69 general purpose I/O lines (package dependent), 32 general purpose working registers, a JTAG interface for boundary-scan and on-chip debugging, read-while-write Flash for in-system self-programming, and an on-chip segment LCD controller - the defining feature separating the ATmega649 from the otherwise similar ATmega64. A 10-bit ADC and multiple timers round out the peripheral set. Architecturally, the device pairs the AVR RISC core with Harvard memory organization, achieving up to 16 MIPS throughput at 16 MHz. The ISP Flash supports firmware updates in the field, while the JTAG port enables boundary-scan testing of assembled boards and hardware debugging via Microchip tools such as MPLAB SNAP, ICE3, and AVR ONE. Typical applications include industrial panel meters and metering equipment with segment LCDs, HVAC and building-control units, battery-powered instruments, and low-cost HMI front-ends where the integrated LCD driver removes the need for an external display controller. A key design consideration is that the newer ATmega649A revision supersedes this device; Microchip lists the ATMEGA649A for new designs, though the -16AU remains available from distributors. This page adds distributor pricing tiers, drop-in alternatives within the same TQFP-64 footprint, and practical design notes not found in the standard datasheet. Pricing shown as of 2026-09-18.

USD $6,27 Em estoque

ATMEGA649-16MU

ATMEGA649-16MU - 8-bit AVR MCU 64KB Flash 16MHz 64-QFN | Microchip

The Microchip Technology ATMEGA649-16MU is a high-performance, low-power 8-bit AVR RISC microcontroller with 64KB ISP Flash memory, 2KB EEPROM, 4KB SRAM, and an integrated LCD controller, operating at up to 16MHz in a 64-pin QFN (9x9 mm) package with exposed pad. An 8-bit AVR microcontroller is a Harvard-architecture RISC processor executing most instructions in a single clock cycle. Within the power-management hierarchy, the ATmega family sits in the general-purpose MCU tier, spanning Flash densities from 4KB to 256KB, and the ATmega649 occupies the 64KB mid-range slot with a unique on-chip segment LCD driver. Key features include 54/69 general purpose I/O lines, 32 general purpose working registers, a JTAG interface for boundary-scan and on-chip debugging/programming, and a complete on-chip LCD controller with internal contrast control. Read-while-write Flash capability allows firmware updates during execution, while ISP (In-System Programmable) Flash simplifies field upgrades without removing the device from the PCB. Architecturally, the AVR core uses a single-cycle ALU fed by two register-file read ports, sustaining up to 16 MIPS at 16MHz. The LCD controller drives segmented glass directly with internal contrast control, eliminating an external LCD driver IC and its firmware overhead. Peripherals include flexible timers, USART, SPI, and an analog comparator with ADC per family datasheet. Typical applications include battery-powered instruments with segment LCD displays, utility metering, industrial control panels, and hand-held measurement devices where the integrated LCD controller and low-power AVR core reduce system cost and board area. A key design consideration: verify availability of the newer ATMEGA649A variant, which is designated as the newer device by the manufacturer, for new designs to maximize lifecycle headroom. This page synthesizes distributor pricing from 12 sources, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

USD $4,80 Em estoque

ATMEGA649-16MUR

ATMEGA649-16MUR - 8-bit AVR MCU 64KB 16MHz LCD | Microchip

The Microchip Technology ATMEGA649-16MUR is a high-performance, low-power 8-bit AVR RISC microcontroller with 64KB ISP Flash memory, 4KB SRAM, 2KB EEPROM, and an integrated segment LCD driver, clocked at up to 16MHz from a 5V supply in a 64-pin QFN (9x9 mm) exposed-pad package. An 8-bit AVR microcontroller is a single-chip processor built on the AVR enhanced RISC architecture, in which most of the 130 powerful instructions execute in a single clock cycle. Within the system hierarchy, the MCU sits at the heart of embedded control: microcontroller -> embedded processor -> semiconductor IC. The ATmega649 belongs to the LCD AVR family (ATmega325/329/645/649 and the 3290/6490 variants), which pairs general-purpose MCU peripherals with an on-chip LCD controller that can drive a segmented glass display directly. Key features include 64KB of self-programming Flash with read-while-write capability, 54 general-purpose I/O lines, a JTAG interface for boundary-scan, on-chip debugging, and programming, and an LCD controller with up to 4x25 or 8x24 segment drive. The advanced RISC core with 32 general-purpose working registers is directly connected to the ALU, allowing two independent registers to be accessed in one instruction. Technically, the device executes up to 16 MIPS at 16MHz, supports in-system self-programming via the boot loader section, and offers power-saving modes including idle, ADC noise reduction, and power-down, making it suited to battery-operated metering products. Peripherals include 8-channel 10-bit ADC, two 8-bit and two 16-bit timers with PWM, USART, SPI, and two-wire interface (per the ATmega649 family datasheet). Typical applications are utility metering with LCD display, handheld instruments, industrial control panels, and consumer appliances where a segmented display and low power are required. When designing with this part, budget the Flash around the bootloader size and validate the LCD bias resistor network against the target glass. This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.

USD $7,60 Em estoque

ATMEGA6490-16AI

ATMEGA6490-16AI - 64KB Flash 16MHz AVR LCD MCU | Microchip

The Microchip ATMEGA6490-16AI is a high-performance, low-power 8-bit AVR RISC microcontroller with 64 KB ISP Flash memory, 4 KB SRAM, 2 KB EEPROM, and an integrated segment LCD driver, operating at up to 16 MHz in a 100-pin TQFP (14x14 mm) package for industrial temperature ranges (-40C to +85C). An 8-bit AVR microcontroller is a Harvard-architecture RISC processor that executes most instructions in a single clock cycle. Within the power-management hierarchy of embedded systems, it serves as the central processing element, sitting above simple logic ICs but below 32-bit application processors. The AVR ATmega family from Microchip (formerly Atmel) is widely used for cost-sensitive embedded control where integrated peripherals reduce system part count. Key features include 64 KB of self-programming Flash with read-while-write capability, 135 powerful instructions with most executing in a single cycle, 32 general purpose working registers, and an on-chip LCD controller supporting up to 4x40 segments. The picoPower technology enables low sleep-mode currents for battery-operated designs. The advanced RISC architecture combines a rich instruction set with fast single-cycle ALU operation, delivering up to 16 MIPS throughput at 16 MHz. Integrated peripherals include an 8-channel 10-bit ADC, multiple timers/pWM channels, USART serial interfaces, SPI, TWI (I2C), and JTAG for on-chip debugging, allowing a single chip to replace MCU plus dedicated LCD driver plus external ADC solutions. Typical applications include utility metering with LCD displays, industrial control panels, battery-powered instrumentation, and white-goods human-machine interfaces where the integrated segment LCD driver and 69 general purpose I/O lines simplify board design. When designing with this device, the -AI suffix denotes the industrial temperature range of -40C to +85C; verify JTAG fuse settings before debugging, since JTAG can be disabled by default. Place 100 nF decoupling capacitors at each VCC/GND pair. This page synthesizes verified distributor data, same-family drop-in alternatives, and practical design notes not found in a single manufacturer source.

USD $4,85 Em estoque

ATMEGA6490-16AU

ATMEGA6490-16AU - 8-Bit AVR MCU 16MHz 64KB LCD | Microchip

The Microchip (Atmel) ATMEGA6490-16AU is a high-performance picoPower 8-bit AVR RISC microcontroller with 64KB ISP Flash memory, 4KB SRAM, 2KB EEPROM, an integrated 4x40-segment LCD driver, and 16MHz maximum clock speed, housed in a 100-pin TQFP (14x14 mm) package. A microcontroller (MCU) is a single-chip computer that integrates a processor core, program memory, data memory, and peripherals onto one die, sitting at the device level of the embedded-systems hierarchy (embedded system -> MCU -> 8-bit AVR family -> ATmega series). The AVR architecture uses a Harvard-structured RISC core with most instructions executing in a single clock cycle, distinguishing it from von Neumann CISC MCUs of the same era. Key features include 64KB of self-programmable ISP Flash with read-while-write support, 54/69 general-purpose I/O lines, 32 general-purpose working registers, an 8-channel 10-bit ADC, and the integrated LCD controller that eliminates an external LCD driver in instrument designs. The picoPower technology provides multiple sleep modes for very low average power in battery-operated products. A JTAG interface supports boundary-scan testing and on-chip debugging. Technical depth: the ATmega6490 belongs to the ATmega3290/6490 LCD MCU family; the 130-instruction RISC core reaches up to 16 MIPS at 16MHz, while supply operation spans 2.7V to 5.5V for the 16MHz speed grade, covering both 3.3V and 5V logic systems. Typical applications include utility meters and energy meters with segment LCD displays, handheld industrial instruments, HVAC control panels, and consumer appliances that combine modest processing with dot/segment LCD feedback. Design consideration: the 100-TQFP package with fine 0.5 mm pin pitch requires careful PCB land-pattern design and good decoupling on every VCC/AVCC pin pair; the 16AU grade requires 2.7V minimum supply at full 16MHz operation, so derate clock speed or use the V grade at lower voltages. This page synthesizes distributor pricing, drop-in same-footprint alternatives, and practical design notes not found in the manufacturer datasheet, with pricing referenced as of 2026-09-18.

USD $8,65 Em estoque

ATMEGA6490-16AUR

ATMEGA6490-16AUR - 8-bit AVR MCU 64KB Flash 16MHz LCD | Microchip

The Microchip Technology ATMEGA6490-16AUR is a picoPower 8-bit AVR RISC microcontroller with 64KB ISP Flash, 2KB EEPROM, 4KB SRAM, an integrated LCD controller, and 16MHz maximum clock speed, housed in a 100-pin TQFP (14x14 mm) package for tape-and-reel assembly. An 8-bit AVR microcontroller is a single-chip embedded processor built on the AVR enhanced RISC architecture, in which most of the 130 instructions execute in a single clock cycle. Within the system hierarchy, it spans microcontroller -> embedded processor -> integrated circuit, combining program memory, data memory, peripherals, and CPU on one die. The ATmega6490 belongs to the LCD AVR family, which adds a segment LCD driver to the standard ATmega peripheral set. Key features include 64KB (32K x 16) self-programming Flash with read-while-write capability, 54/69 general purpose I/O lines, a 4 x 40 segment LCD controller, an 8-channel 10-bit ADC, and a JTAG interface for boundary-scan and on-chip debugging. The 16MHz rating at 4.5-5.5V delivers up to 16 MIPS throughput, while picoPower technology minimizes consumption in sleep modes for battery-backed designs. Technically, the AVR core uses 32 general purpose working registers directly connected to the ALU, giving single-cycle execution and high code density. ISP (in-system programmable) Flash allows firmware updates on the assembled board, and the EEPROM retains calibration data through power cycles. Typical applications include utility metering with LCD displays, industrial control panels, battery-powered instrumentation, and building automation front ends where an integrated segment LCD driver eliminates an external LCD controller IC. Design-wise, decouple VCC/AVCC with 100nF ceramics per supply pin and route LCD segment lines away from the analog front end to protect ADC accuracy. This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.

USD $8,45 Em estoque

ATMEGA6490A-AUR

ATMEGA6490A-AUR - 8-bit AVR MCU, 64KB Flash, LCD | Microchip

The Microchip Technology ATMEGA6490A-AUR is a high-performance, low-power 8-bit AVR RISC microcontroller with 64KB ISP Flash memory, 2KB EEPROM, 4KB SRAM, and an integrated LCD controller, operating at up to 20MHz in a 100-pin TQFP (14x14 mm) package. An 8-bit AVR ATmega microcontroller is a single-chip computer that executes a reduced instruction set (RISC) entirely from embedded Flash. Within the power-management hierarchy, an MCU sits at the system-control layer above discrete logic and below application processors: it combines CPU, memory, timers, communication peripherals, and in this family, a segment LCD driver on one die. The AVR architecture connects 32 general-purpose working registers directly to the arithmetic logic unit (ALU), so two independent registers can be accessed in a single instruction executed in one clock cycle, achieving throughputs up to ten times faster than conventional CISC microcontrollers. Key features of the ATmega6490A include 54/69 general purpose I/O lines, a JTAG interface supporting boundary-scan, on-chip debugging and programming, a complete on-chip LCD controller with internal contrast control, and three flexible timers with compare modes and PWM. The 64KB Flash supports read-while-write self-programming, enabling in-system firmware updates without an external programmer. Technically, the AVR core executes 130 powerful instructions, most in a single clock cycle. The self-programming Flash enables bootloader implementations, while the LCD controller drives multi-segment displays directly, eliminating an external LCD driver and reducing BOM cost and board area in battery-powered instruments. Typical applications include utility metering with segmented LCD displays, handheld measurement instruments, industrial control panels, and battery-powered consumer devices where the low-power AVR core and integrated LCD drive are decisive. For design, budget the peripheral set early: with 69 I/O lines and an LCD panel, pin multiplexing between LCD segment lines and general-purpose I/O must be mapped before PCB layout, as segment pins overlap parallel ports. This page synthesizes distributor pricing, same-family drop-in alternatives, pinout guidance, and practical design notes not found together on the manufacturer datasheet. Pricing shown as of 2026-09-18.

USD $6,55 Em estoque

ATMEGA6490P-AUR

ATMEGA6490P-AUR - 8-bit AVR MCU 64KB Flash LCD | Microchip

The Microchip Technology ATMEGA6490P-AUR is a high-performance picoPower 8-bit AVR RISC microcontroller with 64 KB ISP Flash memory, 2 KB EEPROM, 4 KB SRAM, and an integrated segment LCD driver, packaged in a 100-pin TQFP (14x14 mm) for industrial temperature operation. An 8-bit AVR microcontroller is a reduced-instruction-set (RISC) single-chip computer that executes most of its 130 instructions in a single clock cycle. Within the power-management hierarchy, it combines the CPU, program memory, data memory, peripherals, and an LCD controller in one IC, making it a member of the broader microcontroller (MCU) family used in embedded systems. Key features include up to 20 MHz maximum clock frequency, 54 general purpose I/O lines (69 I/O including LCD segment pins), read-while-write self-programming Flash, and an on-chip LCD controller capable of driving a large glass with up to 4 backplane/common terminals. The picoPower technology delivers industry-low power consumption in all active and sleep modes, which is essential for battery-operated instruments. Technically, the AVR advanced RISC architecture provides 32 general purpose working registers directly connected to the ALU, allowing one-cycle execution and achieving throughput near 1 MIPS per MHz. In-system programmable (ISP) Flash with boot-section self-programming enables field firmware updates, while the on-chip debug via debugWIRE-type tooling and ICSP simplifies development with MPLAB Snap and similar programmers. Typical applications include utility metering with LCD displays, handheld measurement instruments, industrial control panels, and battery-powered human-interface devices where an integrated segment LCD driver removes the need for a separate LCD controller. When designing with this device, verify the clock-voltage relationship: operation at the full 20 MHz rating requires the higher end of the supply range, while lower supply voltages constrain the maximum safe clock frequency per the AVR frequency-vs-voltage curve in the manufacturer datasheet. This page synthesizes distributor listings, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet, with pricing references as of 2026-09-18.

USD $5,95 Em estoque

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