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ATMEGA103-6AI

ATMEGA103-6AI - 8-Bit AVR MCU, 6MHz, 128KB Flash | Microchip

The Microchip Technology ATMEGA103-6AI (originally Atmel) is an 8-bit AVR enhanced RISC microcontroller delivering 6 MHz maximum clock speed, 128 KB of in-system programmable Flash (64K x 16 organization), and 4 KB SRAM plus 4 KB EEPROM, housed in a 64-pin TQFP (14x14 mm) package operating from a 5V supply. An AVR microcontroller is a class of 8-bit Harvard-architecture MCUs in which program memory and data memory occupy separate address spaces, allowing most instructions to execute in a single clock cycle. Within the power-management hierarchy, the ATmega103 sits in the high-memory general-purpose microcontroller tier, sitting above the ATmega603 (64 KB Flash) sibling and pre-dating the pin-compatible ATmega128. Key features include the AVR enhanced RISC core with 121 powerful instructions (most single-cycle), 128 KB in-system reprogrammable Flash, 4 KB internal SRAM, 4 KB EEPROM, an 8-channel 10-bit ADC, UART, SPI, and a wide -40C to +85C industrial operating temperature range denoted by the 'I' suffix in the part number. The 6 MHz speed grade ('6') covers 5V operation. Architecturally, the ATmega103 uses a low-power CMOS process with a fast-access RISC register file of 32 general-purpose 8-bit registers directly connected to the ALU, enabling single-cycle execution that yields throughput of roughly 6 MIPS at 6 MHz. Nonvolatile memory is organized for in-system reprogramming via SPI, and the memory map includes external memory expansion capability. Typical applications include legacy industrial control systems, building automation controllers, instrumentation, and embedded products designed in the late 1990s and early 2000s that still require AVR compatibility at the 128 KB memory point. Design consideration: because this is a 5V-only part with a 6 MHz ceiling, new designs should evaluate the pin-compatible, higher-performance ATmega128 family instead; ATmega103-mode compatibility is retained in the ATmega128 via an M103C fuse. This page consolidates distributor pricing, drop-in alternative cross-references, and practical migration design notes not found together on the manufacturer datasheet.

USD $8.60 在庫あり

ATMEGA103L-4AC

ATMEGA103L-4AC - 8-Bit AVR MCU 4MHz 128KB TQFP-64 | Microchip

The Microchip Technology (Atmel) ATMEGA103L-4AC is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture, delivering up to 4 MHz operation at 2.7 V to 5.5 V with 128 KB of in-system programmable Flash, 4 KB of SRAM, and 64 KB of optional external memory addressing, housed in a 64-pin TQFP (14x14 mm) package. An 8-bit AVR microcontroller is a single-chip processor that executes most instructions in a single clock cycle using a Harvard-architecture RISC core with 32 general-purpose working registers. Within the system hierarchy, the MCU sits at the heart of an embedded system: flash memory stores program code, SRAM holds runtime variables, and integrated peripherals (UARTs, SPI, timers) interface with sensors and actuators, making a discrete CPU-plus-peripherals chipset unnecessary. Key features of the ATMEGA103L-4AC include 128 KB (64K x 16) of In-System Programmable (ISP) Flash, dual USARTs for serial communication, an SPI serial interface, two 8-bit and two 16-bit timers/counters with PWM outputs, and an 8-channel external interrupt capability. The AVR core's single-cycle instruction execution yields up to 4 MIPS at the 4 MHz maximum clock rating of this L-suffix (2.7 V to 5.5 V) commercial-grade device. Architecturally, the ATmega103 separates instruction and data buses, allowing fast register-to-register operations and efficient C-code compilation. External memory expansion (up to 64 KB) is supported through the multiplexed address/data bus on Ports A and C with WR/RD strobes on Port G, enabling designs requiring large data buffers. Typical applications include legacy industrial control panels, battery-powered instruments, building automation nodes, and embedded systems where the 4 MHz low-voltage rating supports long-battery-life or noise-limited 3.3 V designs. Design consideration: this part is end-of-life per distributor status data, so new designs should target the ATmega128 family, and existing boards should secure remaining stock or qualify a drop-in variant before replenishment runs out. This page adds value beyond the manufacturer datasheet by consolidating drop-in alternatives, lifecycle status, pricing context, and practical design notes in one engineer-facing reference.

USD $13.75 在庫あり

ATMEGA103L-4AI

ATMEGA103L-4AI - 8-Bit AVR MCU 128KB 4MHz TQFP-64 | Microchip

The Microchip Technology ATMEGA103L-4AI is an 8-bit AVR enhanced RISC microcontroller executing up to 4 MHz with 128KB (64K x 16) of in-system programmable FLASH and 4KB of SRAM, housed in a 64-pin TQFP (14x14 mm) package for industrial temperature ranges. An 8-bit AVR microcontroller is a single-chip processor built on the AVR enhanced RISC architecture, in which most of its powerful instructions execute in a single clock cycle. In the embedded-systems hierarchy it sits as the central processing element of a board, above discrete logic and below 32-bit application processors, and belongs to the broader family of microcontroller units (MCUs) that integrate program memory, data memory, timers, and communication peripherals on one die. Key features of the ATMEGA103L-4AI include 121 powerful instructions with mostly single-clock-cycle execution, 128K bytes of in-system reprogrammable FLASH program memory, and serial programming interfaces. The L suffix denotes the low-voltage variant, while the AI suffix denotes the industrial temperature grade supplied in the 64-lead thin quad flat package (TQFP-64). Architecturally, the device uses a Harvard-structure AVR core with separate program and data buses, allowing one instruction to be fetched while another is decoded and executed, which sustains throughput approaching 1 MIPS per MHz of clock. On-chip peripherals include an 8-channel 10-bit ADC, two 8-bit and two 16-bit timers with PWM, an SPI serial port, and a UART, providing complete system control in a single chip. Typical applications include legacy industrial control boards, instrument front panels, building automation nodes, and communication equipment controllers. The low-voltage operation suits 3.3V systems, while the industrial temperature range supports factory-floor environments where consumer-grade parts cannot survive. A key design consideration is that this part is mature/obsolete for new designs; engineers starting new boards should evaluate the pin-compatible ATmega128 family, which offers an ATmega103 compatibility mode and higher clock speeds. Verify FLASH endurance and programming-tool support before committing to new production. This page synthesizes distributor availability data, drop-in alternative analysis, and practical design notes not found in the manufacturer datasheet, with pricing referenced as of 2026-09-15.

USD $11.10 在庫あり

ATMEGA128-16AC

ATMEGA128-16AC - 8-bit AVR MCU 16MHz 128KB Flash | Microchip

The Microchip Technology ATMEGA128-16AC is a low-power 8-bit AVR microcontroller with 128KB in-system programmable Flash, 16MHz maximum clock frequency, and 4KB SRAM, housed in a 64-pin TQFP (14x14 mm) package. An 8-bit microcontroller is an integrated circuit that contains a processor core, memory, and programmable input/output peripherals on a single chip, executing control and data-processing tasks in embedded systems. Within the product hierarchy, the ATmega128 sits in the AVR ATmega family of enhanced RISC MCUs, which belongs to the broader class of general-purpose microcontrollers within semiconductor-based embedded processing. The AVR architecture executes most instructions in a single clock cycle, achieving throughput approaching 1 MIPS per MHz. Key features of the ATMEGA128-16AC include 133 powerful AVR instructions with mostly single-cycle execution, 32 general-purpose working registers, 128KB of ISP Flash with 10,000 write-cycle endurance, 4KB EEPROM rated for 100,000 write cycles, and a rich peripheral set: two 8-bit and two 16-bit timers with PWM, two USARTs, SPI, TWI (I2C-compatible), an 8-channel 10-bit ADC, analog comparator, watchdog timer, and JTAG boundary-scan/on-chip-debug support. Architecturally, the AVR uses a Harvard structure with separate program and data buses, allowing simultaneous Flash instruction fetch and data access. In-system programmability permits firmware updates after board assembly, and the boot Flash section supports self-programming for field upgrades. Typical applications include industrial control and automation nodes, embedded instrumentation and test equipment, motor-control and power-supervision systems, and legacy embedded designs requiring extended 128KB program memory with 5V-tolerant I/O. When designing with this part, remember the -16AC is the commercial temperature grade (0C to +70C); select the -16AI industrial grade for -40C to +85C environments, and budget for a 4.5V to 5.5V supply since 16MHz operation is not supported at 3.3V. This page synthesizes distributor pricing, drop-in alternatives, complete 64-pin pinout data, and practical design notes not found in the manufacturer datasheet alone.

USD $7.34 在庫あり

ATMEGA128-16AI

ATMEGA128-16AI - 8-bit AVR MCU 16MHz 128KB Flash | Microchip

The Microchip (Atmel) ATMEGA128-16AI is an 8-bit AVR RISC microcontroller with 128KB in-system programmable flash, 4KB SRAM, and 4KB EEPROM, executing up to 16 MIPS at 16MHz in a 64-pin TQFP (14x14 mm) package rated for the industrial temperature range. An 8-bit AVR microcontroller is a Harvard-architecture processor that fetches instructions and data over separate buses, allowing most of its 133 powerful instructions to execute in a single clock cycle. Within the product hierarchy, the ATmega128 sits in the ATmega family of flash-based microcontrollers - below the ATmega1280/1281 mega-AVR devices and above the ATmega64 - and functions as a complete embedded system-on-chip integrating CPU, memory, timers, communication peripherals, and an ADC. Key features include 128KB of self-programmable flash with a boot loader section, dual USARTs, SPI, TWI (I2C), an 8-channel 10-bit ADC, two 8-bit and two 16-bit timers with PWM, and an on-chip JTAG interface for boundary-scan and on-chip debugging. The device operates from 4.5V to 5.5V at 16MHz (per the -16 speed grade), delivering deterministic single-cycle execution without pipelining penalties. Architecturally, the ATmega128 combines 32 general-purpose working registers directly connected to the ALU, enabling true single-cycle arithmetic in one clock. XMEM interface support expands external memory addressing up to 64KB, useful for data-logging and legacy 8051-style designs migrating to AVR. Power management includes six sleep modes, allowing current consumption optimization from active operation down to microamp levels in power-down. Typical applications include industrial control and factory automation nodes, legacy ATmega103 PCB upgrades (the ATmega128 is 100% pin compatible with the ATmega103), embedded instrumentation, motor control panels, and building automation controllers where a mature, well-documented 5V MCU simplifies design. Design consideration: the -16 grade requires 4.5V to 5.5V operation; for 3.3V systems use the 8MHz ATmega128L variant instead, and budget JTAG pin sharing (PF4-PF7) when planning ADC channel allocation. This page synthesizes distributor pricing context, drop-in alternatives, pin-level design notes, and comparison data not found in a single manufacturer datasheet.

USD $5.90 在庫あり

ATMEGA128-16AN

ATMEGA128-16AN - 8-Bit AVR MCU 128KB 16MHz TQFP-64 | Microchip

The Microchip Technology ATMEGA128-16AN is an 8-bit AVR RISC microcontroller delivering up to 16 MIPS throughput at 16 MHz, with 128 KB of In-System Programmable FLASH, 4 KB SRAM, and 4 KB EEPROM, housed in a 64-pin TQFP (14x14 mm) package. It operates from 4.5V to 5.5V and supports on-chip JTAG debugging. An 8-bit AVR microcontroller is a single-chip processor built on the AVR enhanced RISC architecture, in which most of the 131 instructions execute in a single clock cycle. Within the system hierarchy, the microcontroller sits between simple logic ICs and application processors, integrating CPU, program memory, data memory, timers, and communication peripherals into one device for embedded control tasks. Key features include 53 general-purpose I/O lines, 32 general-purpose working registers, four flexible timers/counters with compare modes and PWM, and an 8-channel 10-bit A/D converter. Dual USARTs, a byte-oriented Two-Wire Interface (I2C-compatible), and a hardware SPI port provide multi-protocol connectivity for sensors, displays, and industrial networks. Technically, the fully static core sustains performance from DC to 16 MHz, while the Read-While-Write FLASH allows code updates during operation. An RTC with separate oscillator, JTAG boundary-scan, and an ATmega103 compatibility mode (via the M103C fuse) simplify legacy design migration. This version is rated at 16 MHz at 4.5-5.5V with a -40C to +85C industrial temperature rating. Typical applications include industrial automation control panels, HVAC and building-management systems, battery-monitoring instrumentation, and motor-control nodes using the PWM channels. Design consideration: for lowest power consumption in idle and power-down modes, configure unused I/O pins as inputs with internal pull-ups and use the power-reduction registers to clock-gate unused peripherals. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

USD $7.44 在庫あり

ATMEGA128-16AU

ATMEGA128-16AU - 8-Bit AVR MCU, 128KB Flash, 16MHz | Microchip

The Microchip Technology ATMEGA128-16AU is a high-performance, low-power 8-bit AVR RISC microcontroller with 128KB of In-System Programmable Flash, 4KB SRAM, 4KB EEPROM, an 8-channel 10-bit ADC, and a JTAG interface for on-chip debugging, delivered in a 64-pin TQFP (14x14 mm) package operating at up to 16 MHz. An 8-bit AVR microcontroller is a single-chip processor built on the AVR enhanced RISC architecture, in which most instructions execute in a single clock cycle. Within the power-management and embedded-control hierarchy, it functions as the central computing element of a system, replacing discrete logic and analog control circuitry while offering flash-based field reprogrammability. Key features include 128KB self-programmable Flash with a boot section for in-application programming, 4KB internal SRAM, 4KB EEPROM for non-volatile parameter storage, and throughput approaching 16 MIPS at 16 MHz, allowing designers to optimize power consumption versus processing speed. Technically, the ATmega128 combines an 8-channel 10-bit A/D converter with an external-memory interface (up to 64KB external data space via PORTA/PORTC multiplexed addressing), two 8-bit and two 16-bit timers with PWM outputs, two USARTs, SPI, and a Two-Wire Interface, plus a JTAG boundary-scan and debug port. The AVR Harvard architecture with 32 general-purpose registers enables efficient C-compiled code execution. Typical applications include industrial control and automation nodes, general embedded systems, data loggers, and legacy ATmega103 upgrades, since the ATmega128 is 100% pin compatible with ATmega103 and can replace it on existing PCBs. A key design consideration is supply voltage: the 16 MHz -16AU speed grade requires 4.5V to 5.5V operation; the ATmega128L variant is needed for 2.7V-5.5V low-voltage designs. Provide decoupling capacitors on all VCC/AVCC pins and use the internal RC or external crystal clock option accordingly. This page synthesizes distributor pricing, verified drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

USD $14.30 在庫あり

ATMEGA128-16MC

ATMEGA128-16MC - 8-Bit AVR MCU 16MHz 128KB Flash | Microchip

The Microchip Technology (Atmel) ATMEGA128-16MC is a high-performance, low-power 8-bit AVR RISC microcontroller executing up to 16 MIPS at 16 MHz, with 128 KB of In-System Programmable Flash, 4 KB SRAM, 4 KB EEPROM, an 8-channel 10-bit ADC, and a JTAG interface for on-chip debugging, housed in a 64-pad QFN (MLF, 9x9 mm) no-lead package. An 8-bit AVR microcontroller is a Harvard-architecture RISC processor in the broader hierarchy of MCUs (microcontroller -> embedded processor -> system-on-chip building block). The AVR family is known for executing most of its powerful instruction set in a single clock cycle, giving high code efficiency and deterministic timing for embedded control systems. Key features include 133 powerful instructions (most single-cycle), 32 x 8-bit general-purpose working registers, 53 programmable I/O lines, and a self-programming Flash architecture enabling field firmware updates. The 8-channel 10-bit ADC supports direct analog sensor interfacing, while dual USARTs, SPI, and TWI (I2C-compatible) cover common embedded communication needs. Technically, the ATmega128 pairs an advanced RISC core with a rich peripheral set: two 8-bit timers, two 16-bit timers with PWM capability, a watchdog timer, an on-chip analog comparator, and internal/external interrupt sources. The JTAG boundary-scan and on-chip-debug capability shortens development cycles on dense, no-lead packages that are otherwise hard to probe. According to the ATmega128 datasheet, the device is 100% pin compatible with the ATmega103 and can replace it on existing PCBs. Typical applications include industrial automation and control panels, building and HVAC controllers, instrumentation with analog sensor inputs, and legacy ATmega103 board upgrades. The commercial temperature grade (0C to +70C) suits indoor industrial and consumer products. Design consideration: at 16 MHz operation the ATMEGA128-16MC requires a 4.5 V to 5.5 V supply; for 3 V systems choose the ATmega128L speed-voltage grade or drop the clock below the low-voltage frequency limit. This page synthesizes distributor sourcing data, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

USD $6.65 在庫あり

ATMEGA128-16MI

ATMEGA128-16MI - 8-Bit AVR MCU 128KB Flash 16MHz | Microchip

The Microchip Technology (Atmel) ATMEGA128-16MI is an 8-bit AVR RISC microcontroller executing up to 16 MIPS at 16 MHz, with 128 KB of In-System Programmable Flash (64K x 16), 4 KB of EEPROM, 4 KB of internal SRAM, and a 64-pin VFQFN package with exposed pad. An 8-bit AVR microcontroller is a Harvard-architecture MCU in which program memory and data memory use separate buses, allowing most instructions to execute in a single clock cycle. Within the power-management hierarchy, the ATmega128 sits at the top of the classic ATmega family, acting as the system brain that orchestrates peripherals, sensors, and communication interfaces in embedded systems. Key features include the AVR enhanced RISC core with 133 powerful instructions, 128 KB self-programmable Flash with a 2-wire (I2C/TWI) or SPI programming interface, two 8-bit and two 16-bit timers/counters, and rich connectivity: two UARTs, SPI, TWI (I2C), and an 8-channel 10-bit ADC. The 16 MHz speed grade (-16 suffix) supports industrial automation, metering, and motor-control workloads that smaller ATmega parts cannot handle. Technically, the ATmega128 implements JTAG (IEEE 1149.1 compliant) for on-chip debugging and boundary scan, six sleep modes including power-down and power-save for battery designs, and an internal RC oscillator option alongside an external crystal input. Byte-writable EEPROM retains calibration data through power cycles, and the bootloader section permits field firmware updates over UART or SPI. Typical applications include industrial control panels, HVAC and building automation, battery-powered data loggers, and legacy embedded products upgraded from smaller ATmega devices. The 64-QFN exposed-pad package suits space-constrained boards needing 53 general-purpose I/O lines. A key design consideration: the MLF/QFN pad requires a solid ground pour with thermal vias; the -MI temperature range and QFN footprint must be confirmed against the TQFP (AU/AI) variants during layout migration. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

USD $10.51 在庫あり

ATMEGA128-16MJ

ATMEGA128-16MJ - 8-bit AVR MCU 16MHz 128KB Flash | Microchip

The Microchip Technology (Atmel) ATMEGA128-16MJ is an 8-bit AVR enhanced RISC microcontroller delivering up to 16 MIPS at 16 MHz, with 128 KB self-programming Flash, 4 KB EEPROM, 4 KB SRAM, and a 64-pin VFQFN package with exposed pad. A microcontroller is a single-chip computer that integrates a processor core, nonvolatile program memory, SRAM, and peripherals on one die. The ATmega128 sits in the 8-bit general-purpose MCU hierarchy, within the AVR family that traces from tiny ATtiny parts up through megaAVR and 32-bit AVR/ARM devices, serving embedded systems, industrial control, and consumer products. Key features include the AVR RISC core executing most instructions in a single clock cycle for near 1 MIPS per MHz throughput, dual UART/USART serial ports, SPI and TWI (I2C) interfaces, an external bus interface (EBI/EMI) for memory-mapped expansion, an 8-channel 10-bit ADC, JTAG for on-chip debugging and boundary scan, and hardware PWM outputs from multiple timers. Architecturally, the ATmega128 uses a Harvard structure with separate program and data buses, 133 instructions, and 32 general-purpose registers directly connected to the ALU. Self-programming Flash with a boot-loader section enables field firmware updates over UART or SPI without external programmers. Typical applications include industrial automation controllers, embedded communication gateways using the dual USART and EBI, and motor or lighting control leveraging PWM and 10-bit ADC feedback loops. Design consideration: the 16 MHz speed grade targets the 4.5 V to 5.5 V supply range; systems running at 3.3 V should select the ATmega128L variants to remain within datasheet frequency-voltage limits. This page synthesizes distributor availability, drop-in alternatives, pinout, and practical design notes not found in the manufacturer datasheet.

USD $4.48 在庫あり

ATMEGA128-16MN

ATMEGA128-16MN - 8-Bit AVR MCU 128KB 16MHz 64-QFN | Microchip

The Microchip Technology ATMEGA128-16MN is a high-performance, low-power 8-bit AVR RISC microcontroller delivering 16 MIPS throughput at 16 MHz, with 128 KB (64K x 16) in-system programmable FLASH, 4 KB SRAM, and 4 KB EEPROM, housed in a 64-pin QFN/MLF (9x9 mm) package operating from a 4.5V to 5.5V supply. A microcontroller is a single-chip computer that integrates a processor core, program memory, data memory, and peripherals such as timers, communication interfaces, and analog-to-digital converters. Within the embedded hierarchy, the ATmega128 belongs to the 8-bit AVR ATmega family, positioned under the broader categories of microcontroller units (MCUs), embedded processors, and integrated circuits. It executes most of its 131 powerful instructions in a single clock cycle, providing fully static operation. Key features include an 8-channel 10-bit ADC for direct analog sensor interfacing, a JTAG interface for on-chip debugging and boundary-scan, two hardware USARTs for serial communication, plus SPI and TWI (I2C) buses. The four flexible timers (two 8-bit, two 16-bit with PWM) support motor control, lighting, and waveform generation. In-system programmable FLASH allows firmware updates without removing the device from the board. Architecturally, the AVR uses an advanced Harvard structure with separate program and data buses and 32 general-purpose working registers directly connected to the ALU, achieving one-cycle instruction execution. The optional external memory interface can expand addressing for larger applications. Typical applications include industrial automation and control panels, building and HVAC controllers, embedded instrumentation, and motor control systems that require 5V noise immunity, generous 128 KB code space, and field-updatable firmware. A key design consideration is power dissipation: at 5V/16 MHz the device draws more current than its 8 MHz low-voltage siblings, so active clock management (idle, power-down modes) should be used in battery-sensitive designs. The QFN pad geometry requires an exposed-land PCB footprint. This page synthesizes distributor pricing, drop-in alternatives, cross-reference findings, and practical design notes not found in the manufacturer datasheet. Price data is as of 2026-09-15.

USD $7.44 在庫あり

ATMEGA128-16MNR

ATMEGA128-16MNR - 8-Bit AVR MCU 128KB 16MHz QFN-64 | Microchip

The Microchip Technology ATMEGA128-16MNR is a high-performance, low-power 8-bit AVR RISC microcontroller featuring 128 KB of in-system programmable Flash, 4 KB SRAM, 4 KB EEPROM, an 8-channel 10-bit ADC, and a 16 MHz maximum clock frequency, housed in a 64-pin QFN/MLF (9x9 mm) package with exposed pad and green/RoHS-compliant plating. An 8-bit AVR microcontroller is a Harvard-architecture RISC processor that executes most instructions in a single clock cycle, placing this device in the broader hierarchy of microcontroller unit (MCU) -> embedded processor -> integrated circuit. The ATmega128 family has long served as a workhorse for 5V industrial embedded designs, bridging the gap between small ATmega328-class devices and larger ATmega1280/2560 parts. Key features include 131 powerful instructions with mostly single-cycle execution, delivering up to 16 MIPS throughput at 16 MHz; two 8-bit and two 16-bit timers with PWM and input capture; dual programmable USARTs; an SPI interface; a two-wire (I2C-compatible) interface; and an 8-channel 10-bit ADC. A JTAG interface with on-chip debugging (OCD) and boundary-scan capability is built in, and an on-chip boot loader section supports self-programming Flash firmware updates. Technically, the device combines the AVR advanced RISC architecture with 32 general-purpose working registers, fully static operation, and an XMEM interface that addresses up to 64 KB of external memory via ports PA/PC. The 64-QFN exposed-pad package improves thermal and ground performance over the TQFP option while saving board area. Typical applications include industrial control and automation, motor control and power management nodes, building/HVAC controllers, and legacy 5V systems requiring drop-in AVR upgrades. The 16 MHz -16 grade at 4.5-5.5V suits environments needing robust noise margins. Design consideration: for full-speed operation at 16 MHz, use the 4.5V to 5.5V supply range; below that voltage the maximum safe clock derates per the datasheet frequency-versus-voltage curve. This page synthesizes distributor pricing, drop-in alternatives, pinout, and practical design notes not found in a single manufacturer datasheet.

USD $13.90 在庫あり

ATMEGA128-16MU

ATMEGA128-16MU - 8-Bit AVR MCU 16MHz 128KB Flash | Microchip

The Microchip Technology ATMEGA128-16MU (originally Atmel) is a high-performance, low-power 8-bit AVR RISC microcontroller with 128 KB In-System Programmable Flash, 16 MHz maximum clock frequency, and 53 general-purpose I/O lines, housed in a 64-pin QFN (9x9 mm, MLF) surface-mount package. An 8-bit AVR microcontroller is a Harvard-architecture RISC processor that executes most instructions in a single clock cycle, placing it in the broader hierarchy of microcontrollers (MCU) -> embedded processors -> integrated circuits. MCUs integrate CPU, memory, and peripherals on one die, making them the workhorse of embedded control systems. Key features of the ATMEGA128-16MU include 128 KB (64K x 16) Flash with Read-While-Write capability, 4 KB EEPROM, 4 KB SRAM, and an 8-channel 10-bit ADC. Its single-cycle RISC core delivers up to 16 MIPS at 16 MHz, providing deterministic execution for real-time control. The technical architecture includes four flexible Timer/Counters with compare modes and PWM, two USARTs, a byte-oriented Two-Wire Interface (I2C-compatible TWI), a SPI serial interface, a Real Time Counter with separate oscillator, and a JTAG (IEEE 1149.1-compliant) interface for on-chip debug and boundary scan. The device is 100% pin compatible with the ATmega103 and can replace it on existing PCBs. Typical applications include industrial control systems, consumer electronics, building automation, and instrumentation where the 128 KB Flash accommodates larger firmware images than smaller ATmega parts. Design consideration: select the M-version (MLF/QFN) when board height and thermal pad grounding matter, and remember the 10-bit ADC requires a clean AVCC supply and stable AREF reference for full accuracy. This page synthesizes distributor data, drop-in alternatives, and practical design notes not found in a single manufacturer datasheet.

USD $6.40 在庫あり

ATMEGA128-16MUR

ATMEGA128-16MUR - 8-bit AVR MCU 128KB 16MHz | Microchip

The Microchip Technology ATMEGA128-16MUR is a high-performance, low-power 8-bit AVR RISC microcontroller with 128 KB of In-System Programmable Flash, 4 KB SRAM, 4 KB EEPROM, and a 16 MHz maximum clock frequency, housed in a 64-pin QFN (9x9 mm, MLF) package with exposed pad and rated for a 4.5 V to 5.5 V supply. An 8-bit AVR microcontroller is a Harvard-architecture RISC processor that executes most instructions in a single clock cycle, making it a core embedded processing element within the broader power management and control hierarchy of industrial, consumer, and automotive electronics. The AVR family from Microchip is one of the most widely deployed MCU architectures in embedded systems. Key features include 131 powerful instructions with mostly single-cycle execution delivering up to 16 MIPS throughput at 16 MHz, an 8-channel 10-bit ADC for analog sensing, a JTAG interface for on-chip debugging and boundary scan, two 8-bit and two 16-bit timers with PWM capability, and dual programmable serial USARTs plus SPI and TWI (I2C) interfaces. Six sleep modes allow aggressive power optimization in battery-conscious designs. Architecturally, the ATmega128 offers full static operation, 64 KB optional external memory space, and a byte-oriented two-wire serial interface. The 128 KB flash supports 10,000 write/erase cycles, the EEPROM supports 100,000 cycles, and ISP (In-System Programming) via SPI or boot-loader programming via USART simplifies field updates. JTAG provides hardware breakpoint and single-observability debugging. Typical applications include industrial automation control, sensor data acquisition using the 10-bit ADC, embedded motor and actuator control with hardware PWM, and legacy ATmega103 designs, since the ATmega128 is 100% pin compatible with the ATmega103 and provides an ATmega103 compatibility mode. A key design consideration is supply voltage: the -16MUR speed grade requires 4.5 V to 5.5 V for 16 MHz operation; for 3 V designs, use the 8 MHz ATmega128V variants instead. Decouple the multiple VCC/GND pin pairs with 0.1 uF ceramics. This page synthesizes distributor pricing, drop-in alternatives, full 64-pin pinout, and practical design notes not consolidated in the manufacturer datasheet.

USD $8.40 在庫あり

ATMEGA1280-16CU

ATMEGA1280-16CU - 8-bit AVR MCU 128KB Flash 16MHz CBGA-100 | Microchip

The Microchip Technology ATMEGA1280-16CU is a high-performance, low-power 8-bit AVR RISC microcontroller with 128KB of In-System Programmable Flash, 8KB SRAM, 4KB EEPROM, and a 16 MHz maximum clock rate, housed in a 100-ball CBGA (9x9 mm) package. It operates from a 2.7V to 5.5V supply and provides 86 general-purpose I/O lines. An 8-bit AVR microcontroller is a Harvard-architecture RISC processor that executes most instructions in a single clock cycle. Within the power management and embedded-control hierarchy, microcontrollers such as the ATmega1280 integrate processor core, program memory, data memory, timers, serial interfaces, and analog peripherals on a single die, replacing multi-chip MCU solutions and reducing board area and BOM cost. Key features include the advanced AVR RISC core with 133 powerful instructions (most single-cycle), 32 general-purpose working registers, up to 16 MIPS throughput at 16 MHz, and hardware multiplier. The 128KB self-programmable Flash supports field firmware updates, while 4KB EEPROM retains calibration and configuration data through power cycles. Technical depth: the ATmega1280 family shares its die and peripherals with ATmega640/1281/2560/2561, offering four flexible 16-bit timer/counters, two 8-bit timers, an 8/16-channel 10-bit ADC, four USARTs, master/slave SPI, a byte-oriented 2-wire serial interface (TWI/I2C-compatible), a programmable watchdog timer with separate on-chip oscillator, an on-chip analog comparator, and an output compare modulator. In-System Programming and In-Circuit debugging are implemented via the SPI pins and reset line. Typical applications include Arduino Mega-class prototyping boards, industrial automation controllers, motor and LED control panels, data loggers, and instrumentation front ends that need abundant I/O and multiple hardware serial ports. Design consideration: the CBGA (ball grid array) package demands precise PCB land-pattern design, controlled reflow profiling, and cannot be hand-soldered; X-ray or optical inspection is recommended for production. The -16CU speed grade requires a stable 4.5V-5.5V supply at the full 16 MHz clock. This page synthesizes distributor pricing, drop-in family alternatives, and practical design guidance not found in the manufacturer datasheet alone.

USD $12.90 在庫あり

ATMEGA1280-16CUR

ATMEGA1280-16CUR - 8-Bit AVR MCU 16MHz 128KB CBGA | Microchip

The Microchip ATMEGA1280-16CUR is a high-performance, low-power 8-bit AVR RISC microcontroller operating at 16 MHz with 128 KB ISP FLASH memory, 8 KB SRAM, and 4 KB EEPROM, housed in a 100-ball CBGA (9x9 mm) package. A microcontroller unit (MCU) integrates a processor core, memory, and programmable peripherals on a single die, sitting at the top of the embedded control hierarchy: semiconductor -> integrated circuit -> microcontroller -> 8-bit AVR family. The AVR architecture uses Harvard addressing with most of its 133 instructions executing in a single clock cycle, delivering roughly 1 MIPS per MHz. Key features include 86 general-purpose I/O lines, six flexible timer/counters with compare modes and PWM, four programmable USARTs, a 16-channel 10-bit ADC, master/slave SPI, a byte-oriented 2-wire (I2C-compatible) serial interface, programmable watchdog timer with separate on-chip oscillator, on-chip analog comparator, and interrupt and wake-up on pin change. The 32 general-purpose working registers are directly connected to the ALU, enabling efficient C-compiled code execution. The 100-ball CBGA package provides high I/O density in a 9x9 mm footprint suited to dense industrial control boards. The AVR core executes out of 128 KB of in-system-programmable FLASH, self-programmable through the SPI interface or via boot-loader firmware, and the 4 KB EEPROM retains calibration and configuration data through power cycles. Typical applications include industrial automation controllers, Arduino Mega-class prototyping platforms, motor control, building automation, and instrumentation requiring multiple UART channels and many GPIO. Design consideration: at 16 MHz the device requires a 4.5V to 5.5V supply; below 8 MHz it can run down to 2.7V, so confirm the supply domain before locking the clock source. This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.

USD $6.25 在庫あり

ATMEGA1280V-8AU

ATMEGA1280V-8AU - 8MHz 128KB Flash AVR MCU | Microchip

The Microchip Technology ATMEGA1280V-8AU is a high-performance, low-power 8-bit AVR RISC microcontroller featuring 128KB ISP Flash memory, 8KB SRAM, 4KB EEPROM, an 8MHz maximum clock speed, and 86 general purpose I/O lines, housed in a 100-pin TQFP (14x14 mm) surface-mount package. It operates from a 2.7V to 5.5V supply, covering the 3.3V and 5V logic domains. An 8-bit microcontroller is a complete computing system on a single chip that integrates a CPU, program memory, data memory, and a rich set of peripherals. Within the power-management and embedded-control hierarchy, MCUs like the ATmega1280 family sit at the top of the 8-bit AVR lineup, succeeding the ATmega128 by quadrupling Flash and expanding I/O and peripheral count. They are the successors in the AVR architecture lineage originally developed by Atmel, now manufactured and supported by Microchip Technology. Key differentiating features include the advanced RISC architecture with 133 powerful instructions, most executing in a single clock cycle, plus 32 general purpose working registers. The device provides six flexible timer/counters with compare modes and PWM, four USARTs for multi-channel serial communication, a byte-oriented 2-wire interface (I2C/TWI), an SPI interface, a 10-bit ADC, a real-time counter, and programmable Watchdog Timer with internal oscillator. In-System Programmable (ISP) Flash enables firmware updates without removing the part from the board. Architecturally, the AVR Harvard structure separates program and data buses, allowing single-cycle instruction fetch and execution. The pipelined fetch/decode stage sustains throughput close to 1 MIPS per MHz, so at 8MHz the ATMEGA1280V-8AU delivers roughly 8 MIPS while remaining in the low-power V-class voltage envelope. Typical applications include 3D printer and CNC controller boards, industrial automation nodes, dataloggers, and multi-serial-port gateway modules, where its four USARTs and 86 GPIO lines eliminate external port expanders. A key design consideration: the V suffix denotes the low-voltage grade, so full-speed 8MHz operation is guaranteed across the 2.7V to 5.5V range - do not substitute a 16MHz speed-grade part without revisiting supply voltage and brown-out detector thresholds. This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet, adding unique comparison value beyond raw specification listings.

USD $12.12 在庫あり

ATMEGA1280V-8CU

ATMEGA1280V-8CU - 8-bit AVR MCU 128KB Flash 8MHz CBGA-100 | Microchip

The Microchip Technology ATMEGA1280V-8CU is an 8-bit AVR RISC microcontroller IC with 128 KB in-system programmable Flash, 8 KB SRAM, 4 KB EEPROM, and a maximum clock speed of 8 MHz, housed in a 100-ball CBGA (9x9 mm) package. The low-voltage "V" grade operates from a 2.7 V to 5.5 V supply, making it well suited to battery-powered and industrial embedded designs where wide rail tolerance is mandatory. An 8-bit AVR microcontroller is a Harvard-architecture processor that executes most instructions in a single clock cycle, giving it deterministic timing for real-time control. Within the power-management hierarchy of embedded systems, the MCU sits at the heart of the control chain: it reads sensors through its ADC, executes firmware from Flash, and drives actuators through general-purpose I/O. The ATmega family (ATmega640/1280/2560) is the enlarged pin-compatible branch of the popular ATmega line, sharing the same core and toolchain as the smaller ATmega48/88/168/328 devices used on Arduino-class boards. Key features include 86 general-purpose I/O lines, four USARTs, a master/slave SPI interface, a byte-oriented 2-wire serial interface (TWI/I2C), an 8/16-channel 10-bit ADC, six flexible timers with output-compare modulator, a programmable watchdog timer with separate on-chip oscillator, an on-chip analog comparator, and interrupt and wake-up on pin change. The advanced RISC core executes 133/135 powerful instructions, most in a single clock cycle. Technically, the device pairs its AVR core with 32 general-purpose working registers, a real-time counter, JTAG boundary-scan and on-chip debug support, and in-system self-programmable Flash that allows field firmware updates. The CBGA ball-grid array improves board-level routing density versus QFP alternatives while offering shorter interconnects for signal integrity at 8 MHz operation. Typical applications include industrial automation controllers, battery-powered instrumentation, building control and HVAC panels, and multi-channel sensor hubs that exploit the wide peripheral set and low supply range. A key design consideration: the 8 MHz speed limit is bonded to the supply voltage; firmware ported from faster 16 MHz ATmega parts must be re-timed, and the CBGA package requires BGA-capable PCB assembly, so consider the TQFP siblings if in-house assembly lacks BGA reflow capability. This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.

USD $12.20 在庫あり

ATMEGA1280V-8CUR

ATMEGA1280V-8CUR - 8MHz AVR MCU 128KB Flash CBGA-100 | Microchip

The Microchip Technology ATMEGA1280V-8CUR is an 8-bit AVR ATmega microcontroller with 128 KB ISP flash memory (64K x 16), 8 KB SRAM, 4 KB EEPROM, and a maximum clock speed of 8 MHz, housed in a 100-ball CBGA (9x9 mm) package. The R suffix indicates tape-and-reel packaging and the V suffix indicates the low-voltage grade. An 8-bit microcontroller (MCU) is an integrated circuit that combines a processor core, memory, and peripherals on a single die, sitting at the top of the embedded-control hierarchy (MCU -> microcontroller -> integrated circuit -> semiconductor). The AVR architecture executes most of its 133 powerful instructions in a single clock cycle, with 32 general-purpose working registers directly connected to the ALU, achieving throughputs close to 1 MIPS per MHz. Key features include in-system programmable (ISP) flash, four flexible timer/counters with output-compare modulator, four programmable serial USARTs, master/slave SPI, byte-oriented 2-wire (I2C) interface, an EBI/EMI external bus interface, a programmable watchdog timer with separate on-chip oscillator, on-chip analog comparator, and interrupt and wake-up on pin change. An 8/16-channel, 10-bit ADC supports analog sensing with up to 86 general-purpose I/O lines. Architecturally, the ATMEGA1280V belongs to the ATmega640/1280/2560 family, sharing a common die and peripheral set with different flash sizes. The AVR Harvard architecture separates program and data buses for deterministic single-cycle execution, and the JTAG/on-chip debug capability simplifies firmware development. Typical applications include industrial automation controllers, battery-powered portable instruments (the low-voltage V grade supports energy-sensitive designs), building control, and sensor hubs that need many UARTs or abundant GPIO. Design consideration: at 8 MHz maximum frequency, this V-grade part trades speed for low-voltage operation; verify the supply-voltage-versus-frequency safe operating region before selecting a 5V rail. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

USD $10.50 在庫あり

ATMEGA1281-16AU

ATMEGA1281-16AU - 8-Bit AVR MCU 128KB Flash 16MHz | Microchip

The Microchip Technology ATMEGA1281-16AU is a high-performance, low-power 8-bit AVR RISC microcontroller with 128 KB ISP flash memory, 8 KB SRAM, 4 KB EEPROM, 54 general purpose I/O lines and 16 MHz maximum clock speed, housed in a 64-pin TQFP (14x14 mm) package. It operates from a 2.7 V to 5.5 V supply across an industrial -40C to +85C temperature range. A microcontroller (MCU) is a single-chip computer that integrates a processor core, program memory, data memory and peripherals such as timers, USARTs and ADCs. MCUs form the bottom layer of the embedded systems hierarchy, sitting below system-on-chip and application processor families, and the AVR ATmega family is one of the most widely deployed 8-bit MCU architectures, famous as the basis of the Arduino platform. Key features include the AVR advanced RISC architecture with 133 powerful instructions, most executing in a single clock cycle, delivering up to 16 MIPS throughput at 16 MHz. The ATmega1281 provides two flexible USARTs, a 10-bit ADC with 8 channels, six timer/counters, an SPI interface, a two-wire serial (I2C-compatible) interface, a real-time counter with separate oscillator, and debugWIRE on-chip debugging. Architecturally, the device uses a Harvard structure with separate program and data buses, single-cycle execution, 32 general purpose working registers directly connected to the ALU, and an internal RC oscillator option that eliminates external crystals in tolerant designs. Self-programming flash with boot loader support enables field firmware updates. Typical applications include industrial automation and robotics controllers, sensor hubs and data loggers, motor control and HVAC systems, and hobby/embedded prototyping where 128 KB of flash and rich peripherals are needed. Design consideration: the 16 MHz grade requires a 4.5 V to 5.5 V supply for full-speed operation; at reduced supply voltages, lower the maximum clock frequency per the datasheet frequency-versus-voltage curve. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

USD $8.27 在庫あり

ATMEGA1281-16MUR

ATMEGA1281-16MUR - 8-Bit AVR MCU 16MHz 128KB Flash | Microchip

The Microchip Technology ATMEGA1281-16MUR is a high-performance, low-power 8-bit AVR RISC microcontroller executing up to 16 MIPS at 16 MHz, integrating 128 KB ISP flash memory, 8 KB SRAM, and 4 KB EEPROM in a 64-QFN (9x9 mm) surface-mount package with exposed pad. A microcontroller (MCU) is a single integrated circuit that combines a processor core, program memory, data memory, and peripheral functions such as timers, serial interfaces, and analog-to-digital converters. The ATmega1281 belongs to the AVR family of 8-bit MCUs, which sits within the broader hierarchy of embedded processors used in industrial, automotive-adjacent, and consumer control systems. Key features include an advanced RISC architecture with 135 powerful instructions, most executed in a single clock cycle; 54 general-purpose I/O lines; and a rich peripheral set comprising six flexible timer/counters with compare modes and PWM, four USARTs, a byte-oriented 2-wire serial interface (TWI/I2C), and a 16-channel 10-bit ADC. The device operates from a 2.7 V to 5.5 V supply, supporting both 3.3 V and 5 V designs at industrial temperature ranges. Architecturally, the AVR core uses 32 general-purpose working registers directly connected to the ALU, allowing one-cycle instruction execution and high code efficiency for C and assembly development. In-system programmable flash enables field firmware updates through SPI, while lock bits and an on-chip debug capability support secure deployment. Typical applications include industrial automation and control nodes, building automation and HVAC controllers, sensor acquisition systems using the 16-channel ADC, and motor control or instrumentation products that need multiple UART channels and PWM outputs. When designing with the ATMEGA1281-16MUR, decouple the supply with 100 nF ceramic capacitors close to each VCC/GND pair, and connect the exposed pad to a solid ground plane for thermal and signal-integrity benefits. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

USD $8.78 在庫あり

ATMEGA1281V-8AUR

ATMEGA1281V-8AUR - 8-bit AVR MCU 128KB 8MHz TQFP-64 | Microchip

The Microchip Technology ATMEGA1281V-8AUR is a high-performance, low-power 8-bit AVR RISC microcontroller with 128KB of In-System Programmable Flash, 8KB SRAM, 4KB EEPROM, and a maximum clock speed of 8MHz, housed in a 64-pin TQFP (14x14 mm) surface-mount package and rated for operation at 1.8V to 5.5V over the -40C to +85C industrial temperature range. An 8-bit AVR microcontroller is a Harvard-architecture single-chip computer that executes code directly from embedded Flash while storing variables in on-chip SRAM. Within the power-management hierarchy it serves as a complete embedded processing IC, combining CPU, memory, timers, serial interfaces, and analog-to-digital conversion in one device, eliminating external logic in cost-sensitive designs. Key features include 133 powerful RISC instructions with mostly single-cycle execution, 32 general purpose working registers directly connected to the ALU, 54 general purpose I/O lines, four flexible timer/counters with compare and PWM modes, and multiple serial communication peripherals. The AVR core achieves throughputs of up to one MIPS per MHz, allowing the 8MHz ATMEGA1281V-8AUR to deliver roughly 8 MIPS while consuming minimal power, which is why the V-graded 1.8V supply option is attractive for battery-operated systems. Technically, the device integrates 128KB ISP Flash organized as 64K x 16, supporting in-system programming via SPI as well as boot-loader self-programming, with an optional boot code section protected by lock bits. The 8KB internal SRAM supports an external memory interface for expansion, and 4KB EEPROM provides non-volatile parameter retention through hundreds of thousands of write cycles. Typical applications include industrial control panels, sensor acquisition nodes, metering products, and low-voltage battery-powered instrumentation, where the wide 1.8V to 5.5V supply range removes the need for a dedicated regulator in 2-cell or 3-cell battery systems. For design, the V-grade part is limited to 8MHz; the 16MHz-capable ATMEGA1281-16AUR should be chosen only when a 4.5V to 5.5V supply is guaranteed. This page synthesizes distributor pricing, drop-in ATmega-family alternatives, and practical design notes not found in the manufacturer datasheet, as of 2026-09-15.

USD $4.40 在庫あり

ATMEGA1281V-8MU

ATMEGA1281V-8MU - 8MHz AVR MCU, 128KB Flash | Microchip

The Microchip Technology ATMEGA1281V-8MU is a low-power 8-bit AVR RISC microcontroller with 128KB in-system programmable Flash, 8KB SRAM, 4KB EEPROM, and 54 general-purpose I/O lines, rated for up to 8 MHz operation across a 1.8V to 5.5V supply range, housed in a 64-pin QFN (MLF) 9x9 mm surface-mount package. An 8-bit AVR microcontroller is a Harvard-architecture processor that executes most instructions in a single clock cycle. Within the power-management hierarchy, the ATmega1281 sits in the mid-to-high memory tier of the ATmega640/1280/1281/2560/2561 megaAVR family, providing Flash-programmable control for embedded systems that outgrow small AVRs but do not require 32-bit processing power. Key differentiating features include the advanced RISC core with 133 powerful instructions (most single-cycle), 32 general-purpose working registers, six flexible timers with compare modes and PWM, an 8-channel 10-bit ADC, and dual programmable serial USARTs. The V speed grade permits full 8 MHz operation down to low supply voltages, enabling battery-powered designs. The architecture pairs the AVR core with in-system self-programmable Flash and a real-time counter with separate oscillator, while JTAG (IEEE 1149.1 compliant) boundary-scan and on-chip debugging plus In-Circuit Serial Programming (ICSP) streamline development. Peripheral set also includes SPI, TWI (I2C-compatible), a watchdog timer, and five power-saving sleep modes. Typical applications include industrial control and automation nodes, battery-powered metering and sensor logging, building and HVAC controllers, and embedded communication gateways, where 128KB of Flash accommodates protocol stacks and 54 I/O lines interface to displays, relays, and sensors. A key design consideration is clock selection: at 8 MHz the V-grade device supports 1.8V operation, but designers should verify worst-case clock derating at elevated temperature and low VCC per the datasheet speed-grade curves. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet.

USD $5.92 在庫あり

ATMEGA1281V-8MUR

ATMEGA1281V-8MUR - 8-bit AVR MCU 128KB Flash 8MHz | Microchip

The Microchip Technology ATMEGA1281V-8MUR is a high-performance, low-power 8-bit AVR RISC microcontroller with 128KB ISP flash memory, 8KB SRAM, and 4KB EEPROM, executing at up to 8 MHz from a 1.8V to 5.5V supply in a 64-pin QFN (9x9 mm, MLF) exposed-pad package. An 8-bit AVR microcontroller is a Harvard-architecture RISC processor in which most of its instructions execute in a single clock cycle. Within the power-management hierarchy, an MCU of this class combines the CPU, program memory, data memory, timers, serial interfaces and analog peripherals on one die, replacing multi-chip solutions in embedded control systems. The ATmega family sits between the small ATtiny and the largest ATmega2560-class devices. Key features include 133 powerful instructions (most single-cycle), 32 general-purpose working registers, four flexible USARTs, a byte-oriented 2-wire (I2C-compatible) interface, a master/slave SPI interface, and six flexible timer/counters with compare modes and PWM. An 8/16-channel 10-bit ADC, programmable watchdog timer with separate on-chip oscillator, on-chip analog comparator, and interrupt and wake-up on pin change round out the peripheral set. Technically, the advanced RISC core achieves close to 1 MIPS per MHz throughput, so the 8 MHz V-grade device delivers roughly 8 MIPS while allowing operation down to 1.8V for battery-powered designs. The 128KB flash supports ISP (In-System Programming) via SPI, and JTAG-based on-chip debugging uses two device I/O pins plus reset, as described on the Microchip ATmega1281 product page. Typical applications include industrial automation controllers, sensor data loggers, HVAC and building control, and battery-powered instrumentation where the 1.8V minimum supply and rich peripheral set (4 USARTs, 10-bit ADC) reduce external component count. When designing, remember that the V speed grade limits operation to 8 MHz across the full 1.8V to 5.5V range; above 8 MHz at 5V, the 16 MHz grade (ATmega1281-16) is required instead. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

USD $4.02 在庫あり

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