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ATMEGA48-20AI - 8-bit AVR MCU, 4KB Flash, 20MHz | Microchip
ATMEGA48-20AI

ATMEGA48-20AI - 8-bit AVR MCU, 4KB Flash, 20MHz | Microchip

The Microchip Technology (Atmel) ATMEGA48-20AI is a low-power 8-bit AVR RISC microcontroller with 4KB (2K x 16) in-system programmable Flash, 512B SRAM, and 256B EEPROM, delivering up to 20 MIPS throughput at 20MHz in a 32-pin TQFP (7x7 mm) package rated for the industrial temperature range of -40C to +85C. An 8-bit microcontroller is a single-chip processor that executes instructions, controls peripherals, and interfaces with sensors and actuators on a single silicon die. The ATMEGA48 belongs to the AVR family within the broader hierarchy of MCU -> embedded processor -> semiconductor, and integrates Flash program memory, SRAM data memory, EEPROM nonvolatile storage, and analog peripherals into one package, eliminating external memory chips in cost-sensitive embedded designs. Key features include the AVR enhanced RISC core executing 131 powerful instructions, most in a single clock cycle; 1.8V to 5.5V operation; an 8-channel 10-bit ADC; and three flexible timer/counters. The 32 general purpose working registers are directly connected to the arithmetic logic unit, allowing one-cycle access that boosts effective throughput far beyond classic CISC MCUs at the same clock rate. Technical depth: the ATMEGA48 supports self-programming Flash with an in-system programming (ISP) interface and includes debugWIRE, an on-chip debug system that uses only one pin, preserving I/O for the application. Peripherals include SPI and TWI (I2C-compatible) serial interfaces, a USART, analog comparator, and watchdog timer with its own oscillator. Typical applications include consumer appliance control, industrial sensor nodes, motor control front-ends, and battery-powered devices that exploit the AVR picoPower-class sleep modes and 1.8V low-voltage operation. Design consideration: the ATMEGA48-20AI is rated to 20MHz at 4.5V-5.5V; at lower supply voltages the maximum safe clock frequency derates, so verify the voltage-frequency curve in the datasheet before fixing the crystal. This page synthesizes distributor availability, same-family drop-in alternatives, and practical design notes not consolidated in the manufacturer datasheet.

USD $0.82 在庫あり
ATMEGA48-20AU - 8-bit AVR MCU 20MHz 4KB Flash | Microchip
ATMEGA48-20AU

ATMEGA48-20AU - 8-bit AVR MCU 20MHz 4KB Flash | Microchip

The Microchip Technology ATMEGA48-20AU is an 8-bit AVR RISC-based microcontroller with 4 KB of in-system programmable Flash, 256 bytes of EEPROM, and 512 bytes of SRAM, operating at up to 20 MHz in a 32-pin TQFP (7x7 mm) surface-mount package. It provides 23 general-purpose I/O lines, three flexible timer/counters with compare modes, a 6-channel 10-bit ADC, a byte-oriented TWI (I2C) interface, an SPI serial port, and a programmable USART, delivering up to 20 MIPS throughput from its enhanced RISC architecture. The part operates from 4.5V to 5.5V at full 20 MHz speed (industrial grade -40C to +85C). A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and configurable peripherals on one piece of silicon. The ATmega48 belongs to the 8-bit AVR family of microcontrollers, a subcategory of embedded controllers within the broader semiconductor hierarchy that bridges simple timers and complex MPU-based systems. By executing powerful instructions in a single clock cycle, AVR cores achieve throughput approaching 1 MIPS per MHz, giving designers a favorable performance-per-watt trade-off for cost-sensitive embedded products. Key features include 130 instructions (mostly single-cycle), 32 general-purpose working registers, fully static operation, six sleep modes (idle, ADC noise reduction, power-save, power-down, standby, extended standby), on-chip debug via debugWIRE, and a programmable watchdog timer with on-chip oscillator. The 6-channel 10-bit successive-approximation ADC provides 8 or 10 selectable resolutions and supports free-running or single-conversion modes. The internal calibrated RC oscillator and external crystal options simplify BOM cost. The TQFP-32 (7x7 mm, 0.8 mm pitch) package supports industrial 5V designs and is footprint-compatible with the wider ATmega48/88/168 family, allowing engineers to migrate upward to larger Flash sizes (8 KB / 16 KB) on the same PCB. In-system programming via SPI permits firmware updates on the finished PCB, while the boot loader support enables self-programming. Typical applications include industrial control panels, home appliance controllers, sensor data-acquisition nodes, low-cost motor drivers, USB-to-UART bridges, and hobbyist or educational embedded platforms built around the mature AVR GCC toolchain and Arduino-compatible cores such as MiniCore. When designing with this part, note that unlike the picoPower ATMEGA48PA variants (1.8V-5.5V operation), this classic 20 MHz version targets 5V systems; for battery designs below 4.5V, choose the ATMEGA48PA instead. This page synthesizes distributor pricing, drop-in same-footprint alternatives across the ATmega48/88/168/328 family, and practical design notes not found in the manufacturer datasheet.

USD $1.68 在庫あり
ATMEGA48-20MI - 8-bit AVR MCU 20MHz 4KB Flash VQFN-32 | Microchip
ATMEGA48-20MI

ATMEGA48-20MI - 8-bit AVR MCU 20MHz 4KB Flash VQFN-32 | Microchip

The Microchip Technology ATMEGA48-20MI is an 8-bit AVR RISC microcontroller delivering up to 20 MIPS throughput at 20 MHz, with 4 KB (2K x 16) self-programming ISP Flash memory, 512 bytes of SRAM, and 256 bytes of EEPROM, housed in a 32-pin VQFN (MLF) 5x5 mm package with exposed pad. An 8-bit AVR microcontroller is a single-chip processor that executes an advanced RISC instruction set (131 instructions, most in a single clock cycle) and integrates program Flash, data SRAM, EEPROM, timers, analog peripherals and I/O on one die. Within the power-management hierarchy, MCUs like the ATmega48 sit at the node level, reading sensors and driving actuators in embedded systems ranging from consumer appliances to industrial control. Key features include 23 general-purpose I/O lines, three flexible timer/counters with compare modes, an 8-channel 10-bit ADC, and debugWIRE on-chip debugging that uses only the reset line. The picoPower technology supports multiple sleep modes for battery-operated designs, and operation spans 1.8 V to 5.5 V at full 20 MHz speed grade. Architecturally, the AVR uses a Harvard structure with 32 general-purpose working registers directly connected to the ALU, allowing two independent instructions to execute in one cycle. Self-programming Flash enables in-system programming (ISP) and bootloader firmware updates in the field, while the 32-pin QFN footprint with exposed pad improves thermal and ground performance on compact two-layer PCBs. Typical applications include sensor nodes and battery-powered IoT devices (leveraging low-voltage 1.8 V operation and sleep modes), small motor and LED control boards using the three timers, and industrial consumer appliances where debugWIRE simplifies in-circuit development without a JTAG pod. When designing, remember the industrial temperature range (-40 C to +85 C) applies to the MI suffix, and Brown-out detection plus the internal 8 MHz RC oscillator eliminate external components at moderate clock rates; reserve the crystal option for UART-heavy or timing-critical designs. This page synthesizes distributor stock data, drop-in same-family alternatives, pinout detail, and practical design notes not consolidated in the manufacturer datasheet, with pricing freshness noted as of 2026-09-18.

見積もり 在庫あり
ATMEGA48-20MJ - 8-bit AVR MCU 20MHz 4KB Flash VQFN-32 | Microchip
ATMEGA48-20MJ

ATMEGA48-20MJ - 8-bit AVR MCU 20MHz 4KB Flash VQFN-32 | Microchip

The Microchip Technology ATMEGA48-20MJ is a low-power 8-bit AVR RISC microcontroller with 4KB (2K x 16) of self-programming ISP Flash memory, 512 bytes of SRAM, 256 bytes of EEPROM, an 8-channel 10-bit ADC, and debugWIRE on-chip debug, delivering up to 20 MIPS at 20 MHz in a 32-pad VQFN/MLF (5x5 mm) package rated for the -40C to +85C industrial temperature range. A microcontroller unit (MCU) integrates a processor core, program memory, data memory, and peripherals on a single chip, sitting at the lowest level of the embedded systems hierarchy between discrete logic and application processors. The AVR architecture is a classic Harvard-architecture 8-bit family, executing most of its 131 instructions in a single clock cycle for high code efficiency. Key features include the advanced RISC AVR core with 32 general-purpose working registers, in-system programmable Flash with optional boot-code section, and a rich peripheral set: two 8-bit timers, one 16-bit timer, six PWM channels, an 8-channel 10-bit ADC, a programmable serial USART, an SPI interface, and a two-wire (I2C-compatible) serial interface. The device operates from 1.8V to 5.5V, enabling both battery-powered and 5V industrial designs. Technical depth: debugWIRE provides single-wire on-chip debugging over the RESET line, eliminating the need for a JTAG pod, while the self-programming Flash allows field firmware updates. Power management includes idle, ADC noise reduction, power-save, power-down, and standby sleep modes, with low quiescent consumption for battery applications. Typical applications include industrial control and automation nodes, consumer appliances, sensor interfaces exploiting the 10-bit ADC, and low-cost battery-powered devices. The green/RoHS VQFN-32 (5x5 mm) package suits compact, thermally efficient surface-mount designs. Design consideration: the suffix J denotes the MLF package and industrial temperature; verify VQFN footprint paste-stencil design, as the center die pad must be soldered to ground for reliable operation. This page synthesizes distributor pricing, pin-compatible drop-in alternatives including the ATmega48A/48PA/88/328P MLF variants, and practical design notes not found in the manufacturer datasheet.

見積もり 在庫あり
ATMEGA48-20PI - AVR 8-Bit MCU 20MHz 4KB Flash 28-PDIP | Microchip
ATMEGA48-20PI

ATMEGA48-20PI - AVR 8-Bit MCU 20MHz 4KB Flash 28-PDIP | Microchip

The Atmel (Microchip Technology) ATMEGA48-20PI is a high-performance, low-power 8-bit AVR RISC microcontroller with 4KB (2K x 16) of In-System Programmable Flash, 512 bytes of SRAM, and 256 bytes of EEPROM, executing at up to 20 MIPS at 20MHz in a 28-pin PDIP package with industrial temperature range (-40C to +85C). An 8-bit microcontroller (MCU) is a single integrated circuit that contains a processor core, program memory, data memory, and peripherals such as timers, ADCs, and communication interfaces. Within the power-management and embedded-system hierarchy, the MCU sits at the heart of every embedded application, reading sensors, executing control logic, and driving actuators. The ATMEGA48 belongs to the AVR ATmega family, which uses a modified Harvard RISC architecture that executes most of its 131 powerful instructions in a single clock cycle. Key features include the AVR advanced RISC core with 32 general-purpose working registers, throughput of up to 20 MIPS at 20MHz, 1.8V to 5.5V wide supply operation, an 8-channel 10-bit ADC, debugWIRE on-chip debug system, and self-programming Flash program memory with 512-byte SRAM and 256-byte EEPROM for non-volatile data storage. Technically, the ATMEGA48 combines a fast single-cycle ALU with pipelined instruction fetch, achieving one MIPS per MHz. Its two-cycle hardware multiplier, three flexible timers (two 8-bit, one 16-bit with PWM), USART, SPI, and two-wire I2C (TWI) interfaces make it a complete system-on-chip for compact control tasks. In-System Programming (ISP) allows firmware updates without removing the device from the PCB. Typical applications include industrial automation and sensor nodes, home appliance control, hobby and educational projects such as Arduino-compatible boards (MiniCore supports the ATmega48), and battery-powered instruments where the 1.8V operation and low-power modes extend battery life. When designing with the ATMEGA48-20PI, note that full 20MHz speed is guaranteed only at 4.5V to 5.5V; at lower supply voltages the maximum clock frequency must be derated per the datasheet frequency-versus-voltage curve. This page synthesizes distributor pricing, drop-in alternatives, pinout data, and practical design notes not found in the manufacturer datasheet alone.

USD $0.98 在庫あり
ATMEGA48-20PJ - 8-Bit AVR MCU, 20MHz, 4KB Flash | Microchip
ATMEGA48-20PJ

ATMEGA48-20PJ - 8-Bit AVR MCU, 20MHz, 4KB Flash | Microchip

The Microchip Technology ATMEGA48-20PJ is an 8-bit AVR RISC microcontroller with 20 MHz maximum clock frequency, 4KB (2K x 16) ISP self-programming Flash memory, and 512 bytes of SRAM, housed in a 28-pin PDIP (28-PDIP) through-hole package. It executes up to 20 MIPS at 20 MHz thanks to its single-cycle RISC architecture with 131 powerful instructions. A microcontroller (MCU) is a single integrated circuit that combines a processor core, program memory, data memory, and peripherals such as timers, ADCs, and communication interfaces. The ATmega48 belongs to the AVR family of 8-bit MCUs, which sits within the broader hierarchy of microcontrollers under the semiconductor and embedded processor taxonomy. AVR MCUs are widely used in embedded systems because they combine low power with a simple, easy-to-program architecture supported by AVR GCC toolchains and Arduino-compatible ecosystems such as MiniCore. Key features include 23 general-purpose I/O lines, 32 general-purpose working registers, three flexible timer/counters with compare modes, an 8-channel 10-bit ADC, and a two-wire serial interface (TWI/I2C) plus SPI and USART serial ports. The device operates from 1.8V to 5.5V and includes DebugWIRE on-chip debug for low-cost debugging over the RESET pin. A watchdog timer, internal calibrated RC oscillator, and picoPower sleep modes round out the low-power feature set. Architecturally, the ATmega48 uses a Harvard-structure AVR core with single-cycle instruction execution, self-programming Flash for in-system updates, and 256 bytes of on-chip EEPROM for non-volatile parameter storage. The 4KB Flash accommodates compact firmware typical of sensor nodes, motor control loops, and simple human-machine interfaces. Typical applications include industrial control boards, battery-powered sensor nodes, appliance controls, and hobby/education platforms where DIP mounting supports socketed, replaceable designs. The 28-PDIP package is especially valuable for prototyping and legacy repair. Design consideration: program the clock fuse bits carefully; switching from the internal 8 MHz RC oscillator to an external 20 MHz crystal requires setting CKSEL/SUT fuses, and an incorrect setting can brick the device until a high-voltage programmer is used. This page synthesizes distributor pricing, drop-in alternatives, pinout data, and practical design notes not found in the manufacturer datasheet.

USD $1.18 在庫あり
ATMEGA4808-AFR - 8-bit AVR MCU 20MHz 48KB Flash TQFP-32 | Microchip
ATMEGA4808-AFR

ATMEGA4808-AFR - 8-bit AVR MCU 20MHz 48KB Flash TQFP-32 | Microchip

The Microchip Technology ATMEGA4808-AFR is an 8-bit megaAVR 0-series functional safety (FuSa) microcontroller with an AVR processor running at up to 20 MHz, 48 KB Flash, 6 KB SRAM, and 256 bytes of EEPROM, housed in a 32-pin TQFP (7x7 mm) package. It operates from a 1.8V to 5.5V supply and integrates a 12-channel, 10-bit ADC. A microcontroller (MCU) is a single-chip computer that combines a processor core, memory, and peripherals such as timers, serial interfaces, and analog-to-digital converters. The megaAVR 0-series sits within the broader AVR 8-bit family, which sits under the general microcontroller (embedded processor) category. Unlike general-purpose processors, MCUs execute dedicated control tasks in embedded systems, industrial automation, and consumer devices. Key features of the ATMEGA4808-AFR include a hardware multiplier in the AVR core for efficient arithmetic, 20 MHz maximum clock frequency from an internal oscillator, a 12-channel 10-bit ADC, and Functional Safety (FuSa) qualification supporting safety-oriented designs. The -AFR ordering code denotes the 32-pin TQFP package, -40C to +125C industrial operating range, and tape-and-reel packaging. Technically, the megaAVR 0-series uses the latest AVR core with a two-stage pipeline, peripheral-rich architecture with configurable custom logic (CCL), event system, and multiple USART, SPI, and TWI (I2C) serial interfaces. The wide 1.8V-5.5V supply range allows direct operation from lithium cells, 3.3V logic, or 5V industrial rails without a dedicated regulator. Typical applications include industrial control and factory automation nodes, motor control and sensor interfaces using the 10-bit ADC, and consumer appliances or HVAC controllers where wide-voltage tolerance reduces system cost. A key design consideration: use the internal oscillator to save BOM cost, but verify ADC clock configuration (prescaler) for accurate 10-bit conversions across the 1.8V-5.5V range. This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.

USD $1.72 在庫あり
ATMEGA4808-AUR - 8-Bit AVR MCU 20MHz 48KB Flash | Microchip
ATMEGA4808-AUR

ATMEGA4808-AUR - 8-Bit AVR MCU 20MHz 48KB Flash | Microchip

The Microchip Technology ATMEGA4808-AUR is an 8-bit AVR megaAVR 0-series microcontroller with a hardware multiplier, running at up to 20 MHz and offering 48 KB (24K x 16) Flash, 6 KB SRAM, and 256 bytes of EEPROM in a 32-pin TQFP (7x7 mm) package with tape-and-reel delivery. A microcontroller unit (MCU) integrates a processor core, memory, and peripherals on a single silicon die, forming the lowest level of the embedded-system hierarchy (system -> embedded computer -> MCU -> CPU core). The megaAVR 0-series represents Microchip's latest generation of the classic AVR architecture, adding modern peripherals while preserving AVR ease of use and the huge AVR developer ecosystem. Key features include the AVR RISC core with a hardware multiplier executing most instructions in a single clock cycle, 48 KB of in-system-programmable Flash, 6 KB of SRAM for data and stacks, 256 bytes of EEPROM for non-volatile calibration and settings storage, and multiple serial peripherals (USART, SPI, TWI/I2C) plus 10-bit ADC and analog comparators. The device also carries Functional Safety (FuSa) support, easing IEC 61508-oriented development. Technically, the megaAVR 0-series uses the latest AVR core with an enhanced event system, configurable custom logic (CLC), and low-power sleep modes, enabling deterministic real-time control while maintaining very low active and sleep current. The wide operating voltage supports both 3.3V and 5V systems. Typical applications include industrial control and automation nodes, home appliances, motor-adjacent sensing and sequencing logic, and general-purpose embedded boards, including Arduino-compatible designs supported by the MegaCoreX community package. Design consideration: the ATMEGA4808-AUR is programmed via the Unified Program and Debug Interface (UPDI), so plan a UPDI header in your PCB layout rather than legacy ISP headers used by older ATmega328 designs. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet.

USD $1.98 在庫あり
ATMEGA4808-MF - 8-bit AVR MCU 20MHz 48KB Flash QFN-32 | Microchip
ATMEGA4808-MF

ATMEGA4808-MF - 8-bit AVR MCU 20MHz 48KB Flash QFN-32 | Microchip

The Microchip Technology ATMEGA4808-MF is an 8-bit AVR RISC microcontroller running at up to 20 MHz with 48 KB Flash, 6 KB SRAM, and 256 bytes of EEPROM, housed in a 32-pin VQFN (5x5 mm) package. It belongs to the megaAVR 0-series family, which adds modern peripherals and Core Independent Peripherals (CIPs) to the classic AVR architecture. A microcontroller (MCU) 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. The megaAVR 0-series sits within Microchip's 8-bit MCU portfolio, positioned above the tinyAVR series and below the 32-bit SAM series, and is a common choice for embedded control, consumer, and industrial products. Key features include a 20 MHz AVR CPU with hardware multiplier, 48 KB of self-programmable Flash with a separate EEPROM for non-volatile data storage, a 10-bit ADC with 12 external channels, and multiple communication peripherals including USART, SPI, and TWI (I2C) interfaces. According to the Microchip product page, the ATmega4808 is offered in 28- and 32-pin packages, with the MF suffix denoting the 32-pin VQFN in industrial temperature range. The AVR core executes most instructions in a single clock cycle, delivering efficient C-code performance and low interrupt latency. Hardware support for events, configurable custom logic, and flexible timers (TCA/TCB/TCD in the megaAVR 0-series architecture) allow many tasks to run without CPU intervention, reducing power consumption in sleep-heavy applications. A unified address space and a single-cycle hardware multiplier simplify math-intensive firmware. Typical applications include consumer appliances, industrial sensing nodes, HVAC controls, and general-purpose embedded boards - the ATmega4808 is also widely cited as a modern successor to the classic ATmega328P used in Arduino platforms, and is supported by the open-source MegaCoreX Arduino hardware package. Design considerations: the VQFN-32 footprint requires careful PCB land-pattern design, and the UPDI programming interface replaces legacy ISP, so programmers must support one-wire UPDI. Verify the operating voltage range against your power rail before layout. This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet, with pricing as of 2026-09-18.

USD $1.70 在庫あり
ATMEGA4808-MFR - 8-bit AVR MCU 20MHz 48KB Flash FuSa | Microchip
ATMEGA4808-MFR

ATMEGA4808-MFR - 8-bit AVR MCU 20MHz 48KB Flash FuSa | Microchip

The Microchip Technology ATMEGA4808-MFR is an 8-bit AVR megaAVR 0-series functional-safety (FuSa) microcontroller running at up to 20 MHz, with 48 KB (24K x 16) Flash, 6 KB SRAM, and 256 bytes of EEPROM, housed in a 32-pin VFQFN (5x5 mm) package. A microcontroller (MCU) is a single integrated circuit that combines a processor core, program memory, data memory, and peripherals into one chip, serving as the compute element of embedded systems. Within the semiconductor hierarchy, the ATMEGA4808 belongs to the microcontroller -> 8-bit MCU -> AVR MCU taxonomy, and the megaAVR 0-series is the latest generation of the classic AVR architecture, replacing aging megaAVR parts such as the ATmega328P family in new designs. Key features include the AVR processor core with a hardware multiplier, a maximum clock frequency of 20 MHz, a 10-bit ADC, analog comparators, USARTs, SPI, TWI (I2C) interfaces, and a Peripheral Touch Controller (PTC) for capacitive touch sensing. The megaAVR 0-series also integrates a Multi-Voltage I/O (MVIO) capability on select family members and configurable custom logic (CCL), allowing glue logic to be implemented in hardware. The -MFR ordering suffix identifies the Functional Safety (FuSa) qualified variant, developed per Microchip's functional-safety documentation package for IEC 61508 / ISO 26262-oriented designs, making it suitable for safety-critical industrial and automotive-adjacent applications where certification evidence is required. Typical applications include industrial control and automation nodes, home appliances, IoT sensor endpoints, capacitive-touch user interfaces, and motor control auxiliary logic. The 20 MHz core and 48 KB Flash provide headroom for C-based application code while retaining the low pin count and low BOM cost expected of 8-bit designs. Design consideration: the ATMEGA4808 is programmed and debugged over UPDI (Unified Program and Debug Interface), a single-wire interface, so reserve one GPIO pad (PA0) on the PCB for UPDI access; legacy ISP programmers are not compatible with the 0-series. This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet, with pricing verified as of 2026-09-18.

USD $0.82 在庫あり
ATMEGA4808-MU - 8-Bit AVR MCU 20MHz 48KB Flash | Microchip
ATMEGA4808-MU

ATMEGA4808-MU - 8-Bit AVR MCU 20MHz 48KB Flash | Microchip

The Microchip Technology ATMEGA4808-MU is an 8-bit megaAVR 0-series microcontroller with an AVR RISC core running at up to 20 MHz, 48 KB of Flash memory, 6 KB of SRAM, and 256 bytes of EEPROM, housed in a 32-pin VQFN (5x5 mm) package. It is part of the megaAVR 0-series family that also includes the ATmega4809 and is offered in 28-, 32-, 40-, and 48-pin packages. A microcontroller (MCU) is a single integrated circuit that combines a processor core, program memory, data memory, and peripherals into one chip, forming the highest-volume class of embedded processors used from toys to automotive systems. The 8-bit AVR architecture sits within the broader microcontroller taxonomy alongside 16-bit and 32-bit cores, trading raw compute for deterministic, low-power, low-cost control. Key features of the ATmega4808 include a hardware multiplier, core-independent peripherals (CIP), and a flexible Event System that routes signals between peripherals without CPU intervention, reducing interrupt latency and jitter. Functional Safety (FuSa) support makes it suitable for safety-relevant designs, and the AVR core executes most instructions in a single cycle. Architecturally, the megaAVR 0-series uses an advanced AVR core with a two-stage pipeline, Harvard memory organization, and single-cycle I/O access. Peripherals typically include multi-channel USARTs, SPI and I2C (TWI) interfaces, analog-to-digital converters, timers with PWM capability, and configurable custom logic (per Microchip family documentation), all clocked from internal oscillators or external crystals up to 20 MHz. Typical applications include industrial automation and sensor nodes, consumer appliances, and IoT end nodes where a 20 MHz 8-bit core, 48 KB Flash, and 32-pin VQFN footprint balance cost, performance, and board area. The compact 5x5 mm QFN also suits space-constrained portable designs. A key design consideration is supply voltage: verify the operating voltage range and VQFN exposed-pad grounding in the ATmega4808/4809 datasheet (DS40002173) before layout, and provide adequate decoupling on each VDD pin. This page synthesizes distributor availability data, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet, with pricing and stock referenced as of 2026-09-18.

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ATMEGA4808-MUR - 8-Bit AVR MCU 20MHz 48KB Flash QFN-32 | Microchip
ATMEGA4808-MUR

ATMEGA4808-MUR - 8-Bit AVR MCU 20MHz 48KB Flash QFN-32 | Microchip

The Microchip ATMEGA4808-MUR is an 8-bit AVR megaAVR 0-series microcontroller with a hardware multiplier, running at up to 20 MHz and featuring 48 KB (24K x 16) Flash, 6 KB SRAM, and 256 bytes of EEPROM, housed in a 32-pin VQFN (5x5 mm, exposed pad) package. It belongs to Microchip's Functional Safety (FuSa) qualified megaAVR 0 family. A microcontroller (MCU) is a single integrated circuit that combines a processor core, program memory, data memory, and configurable peripherals such as timers, serial interfaces, and analog-to-digital converters. Microcontrollers are the foundation of embedded systems, sitting at the lowest level of the computing hierarchy (microcontroller -> embedded processor -> application processor) and powering everything from home appliances to industrial automation nodes. Key features of the ATMEGA4808 include a wide supply range of 1.8 V to 5.5 V, a 12-channel 10-bit ADC, and an internal oscillator that removes the need for an external crystal in most designs. The AVR core executes most instructions in a single cycle, and the integrated hardware multiplier accelerates math-intensive firmware. The megaAVR 0-series event system allows peripherals to communicate directly without CPU intervention, reducing latency and power consumption. Technical depth: the device uses the latest AVR core with Harvard architecture and single-cycle I/O access. Peripherals include multiple TCA/TCB/TCE timers, USARTs, SPI, and TWI (I2C) interfaces, plus a programmable custom logic (configurable logic cell) block. Self-programmable Flash with a 10,000-cycle endurance rating supports firmware updates in the field. Brown-out reset, watchdog timer, and power-on reset provide robust operation in noisy environments. Typical applications include industrial control nodes, functional-safety-rated consumer appliances, motor control辅助 logic, sensor hubs, and legacy ATmega328P design upgrades where more Flash and modern peripherals are needed. Design consideration: because the MCU operates to 5.5 V, designers can power it directly from 5 V USB or industrial rails; at 5 V the ADC reference options and peripheral timing margins are best. Keep VDD/GND decoupling capacitors close to the exposed pad. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet, with pricing verified as of 2026-09-18.

USD $1.22 在庫あり
ATMEGA4808-XF - 8-bit AVR MCU 20MHz 48KB Flash | Microchip
ATMEGA4808-XF

ATMEGA4808-XF - 8-bit AVR MCU 20MHz 48KB Flash | Microchip

The Microchip Technology ATMEGA4808-XF is an 8-bit megaAVR 0-series microcontroller with a hardware multiplier running at up to 20 MHz, 48 KB of Flash program memory, 6 KB of SRAM and 256 bytes of EEPROM, housed in a 28-pin SOIC/SSOP surface-mount package (industrial temperature grade, Pb-free). An 8-bit AVR microcontroller is a single-chip Harvard-architecture processor that integrates a RISC CPU, non-volatile program memory, SRAM data memory, and peripheral controllers (serial ports, timers, ADC) within one IC. Within the power-management-and-embedded hierarchy, it belongs to the microcontroller (MCU) category: MCU -> embedded processor -> integrated circuit. The megaAVR 0-series is Microchip's modernized AVR family, replacing the classic ATmega328 generation with richer peripherals and Core Independent Peripherals (CIPs). Key features include the AVR RISC CPU with hardware multiplier for efficient math, up to 48 KB Flash / 6 KB SRAM / 256 B EEPROM, a 10-bit ADC, analog comparators, RTC, and multiple USARTs, SPI and TWI (I2C) interfaces. Functional Safety (FuSa) support and an RTC with CIP operation reduce external component count. Technically, the ATmega4808 uses the latest AVR core with single-cycle I/O access and event routing between peripherals, enabling deterministic, software-light operation. The event system and sleep modes support low-power, interrupt-driven designs. Typical applications include industrial control and automation nodes, home-appliance and HVAC control boards, and legacy ATmega328-based designs migrating to a modern AVR with more memory and peripherals. A key design consideration is clocking: the internal 20 MHz oscillator removes the need for an external crystal in most designs, but precise timing applications should verify clock accuracy against the datasheet. This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.

見積もり 在庫あり
ATMEGA4808-XUR - 8-bit AVR MCU 20MHz 48KB Flash | Microchip
ATMEGA4808-XUR

ATMEGA4808-XUR - 8-bit AVR MCU 20MHz 48KB Flash | Microchip

The Microchip Technology ATMEGA4808-XUR is an 8-bit megaAVR 0-series microcontroller featuring the AVR processor with hardware multiplier, running at up to 20 MHz, with 48 KB (24K x 16) Flash, 6 KB SRAM, and 256 bytes of EEPROM, housed in a 28-pin SSOP surface-mount package. The XUR suffix denotes the Green/RoHS-compliant tape-and-reel packaged industrial-grade variant. An 8-bit microcontroller is a self-contained computing IC integrating a CPU core, program memory (Flash), data memory (SRAM), non-volatile data storage (EEPROM), and a rich set of peripherals on a single die. Within the system hierarchy, the megaAVR 0-series sits in Microchip's general-purpose MCU portfolio, positioned below 32-bit ARM-based MCUs and above the tinyAVR and classic AVR families, serving the broader category of embedded processors and power-management/automation control ICs. Key features of the ATMEGA4808 include 20 MHz maximum CPU frequency, 48 KB of Flash program memory with self-programmability, 6 KB of SRAM for data and stack, and 256 bytes of EEPROM for parameter retention. The megaAVR 0-series is rated for Functional Safety (FuSa) applications, an important differentiator for safety-relevant industrial designs. The AVR core includes a hardware multiplier for efficient arithmetic, and the series uses the latest AVR Core architecture with an event system and flexible peripherals. The ATmega4808 is offered in 28- and 32-pin packages (the ATmega4809 extends the family to 40- and 48-pin packages with more I/O). Per the ATmega4808/4809 datasheet (DS40002173B), the family shares the same peripheral set across package options, which simplifies migration between memory and pin-count variants. The 28-pin SSOP package is a 0.65 mm-pitch wide-body outline that hand-solders easily and suits cost-sensitive board layouts. Typical applications include industrial automation and control nodes, consumer appliances, IoT sensor endpoints, motor-control helpers, and general embedded products that need moderate Flash density (48 KB), hardware multiplier math capability, and Functional Safety support at low cost. A key design consideration is the megaAVR 0-series register architecture, which differs from classic AVR parts such as the ATmega328P: code using direct port/register access is not binary-compatible, so library and toolchain migration (for example, MegaCoreX for Arduino) should be planned. Verify the full pinout in the manufacturer datasheet before PCB layout. This page synthesizes distributor pricing, same-family drop-in alternatives, comparison tables, and practical design notes not found in the manufacturer datasheet, providing a single reference for selection and second-sourcing decisions.

USD $0.98 在庫あり
ATMEGA4809-AF - 8-bit AVR MCU 20MHz 48KB Flash | Microchip
ATMEGA4809-AF

ATMEGA4809-AF - 8-bit AVR MCU 20MHz 48KB Flash | Microchip

The Microchip Technology ATMEGA4809-AF is an 8-bit AVR megaAVR 0-series microcontroller running at up to 20 MHz with 48 KB Flash, 6 KB SRAM, and 256 bytes of EEPROM, housed in a 48-pin TQFP (7x7 mm) package. A microcontroller unit (MCU) is a single-chip computer that integrates a processor core, memory, and programmable peripherals into one integrated circuit, forming the lowest layer of the embedded-systems hierarchy beneath system-on-chip (SoC) and application processor families. The megaAVR 0 series is Microchip's latest generation of 8-bit AVR devices, positioned above the classic ATmega328P family and below 32-bit ARM offerings. Key differentiating features include Core Independent Peripherals (CIPs) such as the configurable custom logic (CCL) block, multi-channel TCA/TCB/TCB timers, event system, and two UARTs with hardware flow control, all operating without CPU intervention. The device supports 1.8V to 5.5V operation, includes a precise internal 20 MHz oscillator, and offers a 10-bit ADC with up to 16 channels plus analog comparators. Technically, the ATmega4809 uses the enhanced AVR RISC core with a hardware multiplier executing most instructions in a single cycle, delivering up to 20 MIPS at 20 MHz. The peripheral event system routes signals between peripherals directly, reducing latency and CPU load. UPDI (Unified Program Debug Interface) provides single-wire programming and debugging, replacing the legacy ISP interface. Typical applications include Arduino-compatible boards (the Arduino Nano Every uses this MCU), industrial control and sensor nodes, home appliances, and motor-control interfaces with TCA PWM outputs. For design, note that the AF-suffix TQFP package is rated for industrial temperature ranges; verify VDD decoupling with 100 nF per pin and use the UPDI pin for in-field reprogramming. This page synthesizes verified distributor pricing, drop-in family alternatives, pinout data, and practical design notes not found in a single manufacturer datasheet.

USD $1.92 在庫あり
ATMEGA4809-AFR - 8-bit AVR MCU 20MHz 48KB Flash TQFP-48 | Microchip
ATMEGA4809-AFR

ATMEGA4809-AFR - 8-bit AVR MCU 20MHz 48KB Flash TQFP-48 | Microchip

The Microchip Technology ATMEGA4809-AFR is an 8-bit megaAVR 0-series microcontroller featuring the AVR processor with hardware multiplier, running at up to 20 MHz, with 48 KB Flash, 6 KB SRAM and 256 bytes of EEPROM, housed in a 48-pin TQFP (7x7 mm) package supplied in tape and reel. An 8-bit microcontroller (MCU) is an integrated circuit that contains a processor core, memory, and programmable input/output peripherals on a single chip, executing one instruction per cycle over 8-bit data words. Within the power and control hierarchy of embedded systems, MCUs sit at the application layer beneath system-on-chip devices, handling real-time control, sensing, and communication tasks in everything from appliances to industrial automation. Key features of the ATMEGA4809-AFR include Core Independent Peripherals (CIPs) that operate without CPU intervention, a 10-bit ADC, analog comparators, and multiple serial interfaces including UART, SPI, and I2C/TWI. The AVR core with hardware multiplier delivers efficient 8-bit computation, while low-power features such as sleep modes and event system routing reduce energy consumption in battery-operated designs. Technically, the megaAVR 0-series uses an enhanced AVR RISC architecture with a single-cycle instruction execution model and an event system that allows peripherals to signal each other directly. The 48 KB self-programmable Flash supports in-system programming via UPDI (Unified Program and Debug Interface), simplifying production and field updates. Typical applications include Arduino-compatible boards (the Arduino Nano Every uses the ATmega4809), industrial control and sensing nodes, home appliances, and touch-sensing interfaces with the integrated Peripheral Touch Controller. A key design consideration is supply voltage: the device operates at 3.3V or 5V logic levels, and Flash endurance plus ADC accuracy depend on operating voltage and temperature ranges specified in the datasheet. This page synthesizes distributor data, drop-in alternatives within the megaAVR 0-series family, pinout information, and practical design notes not found in the manufacturer datasheet, providing comparison and sourcing context as of 2026-09-18.

USD $1.36 在庫あり
ATMEGA4809-AUR - 8-bit AVR 20MHz 48KB Flash MCU 48-TQFP
ATMEGA4809-AUR

ATMEGA4809-AUR - 8-bit AVR 20MHz 48KB Flash MCU 48-TQFP

The Microchip ATMEGA4809-AUR is an 8-bit AVR RISC microcontroller from the megaAVR 0, Functional Safety (FuSa) family, delivering 20 MHz CPU performance with 48 KB (24K x 16) of Flash program memory in a 48-pin TQFP (7x7 mm) package supplied on Tape & Reel. According to the Microchip datasheet for ATmega4808/4809, the device integrates 6 KB SRAM and 256 bytes of EEPROM, an event-based Core Independent Peripherals (CIP) set, a 16-channel 10-bit ADC, 5 timers, and 4 USART plus I2C/SPI peripherals. An 8-bit AVR microcontroller (MCU) is a single-chip computer built around an 8-bit data path, Harvard architecture, RISC instruction set, and integrated Flash, SRAM, and EEPROM memories. Within the broader taxonomy it sits under microcontroller -> embedded microcontroller -> semiconductor IC, and the AVR line is Microchip's longest-running 8-bit family inherited from Atmel. The ATmega4809 specifically targets functional-safety designs via hardware CRC, hardware watchdog with windowed mode, and on-chip debug via UPDI. Key features of the ATMEGA4809-AUR include 20 MHz maximum operating frequency at 5V (4.5-5.5V), low-power modes that drop Iq below 1 uA in power-down, a 16-channel 10-bit ADC with internal voltage reference, a built-in hardware multiplier, and Core Independent Peripherals such as the Configurable Custom Logic (CCL) and Event System (EVSYS) that let peripheral functions run autonomously without CPU intervention. The 48-pin TQFP footprint exposes up to 41 GPIO lines. The ATMEGA4809 family uses the same die across 28/32/40/48-pin packages, and the 40-pin variant simply disables certain pads. The 48-TQFP variant exposes the full peripheral set, which is why designers targeting Arduino Nano Every, industrial sensor nodes, and automotive body-control modules typically select the 48-pin package. The integrated UPDI (Unified Program and Debug Interface) replaces the older ISP/6-pin debug header with a single-wire interface, simplifying board layout. Typical applications include Arduino Nano Every compatible boards, industrial sensor hubs, IoT end-nodes, functional-safety controllers, and automotive body controllers. The wide operating voltage range (1.8V to 5.5V) plus low-power modes makes it suitable for battery-powered designs. The CIP architecture offloads timing-critical tasks such as PWM and signal capture, freeing the CPU for application logic. When designing with this part, route the UPDI line as a single-wire test point or dedicated header, and budget the 48-TQFP's thermal resistance (theta_JA approximately 60 C/W on a 2-layer JEDEC EIA/JESD51 board) when operating near full load. Decouple VDD and AVCC with at least 100 nF X7R plus 4.7 uF bulk. This page synthesizes distributor pricing from DigiKey, Mouser, and LCSC, drop-in alternatives within the same 48-TQFP footprint, and practical design notes not consolidated in the manufacturer datasheet.

USD $1.74 在庫あり
ATMEGA4809-MF - 8-Bit AVR MCU 48KB Flash 48-QFN | Microchip
ATMEGA4809-MF

ATMEGA4809-MF - 8-Bit AVR MCU 48KB Flash 48-QFN | Microchip

The Microchip Technology ATMEGA4809-MF is an 8-bit AVR megaAVR 0-series microcontroller with a 20 MHz AVR CPU with hardware multiplier, 48 KB of Flash memory, 6 KB of SRAM, and 256 bytes of EEPROM, housed in a 48-pin QFN (7x7 mm) package. It is positioned as a Functional Safety (FuSa) capable part within the megaAVR 0-series family. A microcontroller (MCU) is a single integrated circuit that combines a processor core, program memory, data memory, and peripherals into one chip, forming the highest-volume class of embedded control devices. The ATmega4809 belongs to the 8-bit AVR microcontroller family, which sits under the broader categories of embedded processors and semiconductor integrated circuits. The megaAVR 0-series represents Microchip's latest generation of AVR devices, built around Core Independent Peripherals (CIPs) that operate without CPU intervention. Key features include 48 KB of self-programmable Flash, 6 KB SRAM, a 10-bit ADC, multiple USARTs, and Core Independent Peripherals such as Configurable Custom Logic (CCL), the TCA/TCB timer family, and event system routing. The AVR architecture executes most instructions in a single cycle, and the hardware multiplier enables efficient 8x8 math for control loops and signal processing. The device runs from a single supply of 1.8 V to 5.5 V and up to 20 MHz, with low-power features including sleep modes and peripheral clock gating for battery-operated designs. The 48-pin QFN (7x7 mm) footprint exposes up to 48 GPIO across ports A through F, suitable for dense I/O applications. Typical applications include industrial control and automation nodes, home appliances, Arduino-compatible maker boards (the ATmega4809 powers the Arduino Nano Every and Uno WiFi Rev2), touch-sensing interfaces, and functional-safety-oriented designs leveraging the FuSa support package. Design consideration: the 48-pin QFN requires an exposed ground pad soldered to a solid ground pour for thermal and electrical performance; also verify which 48-pin variant pinout your footprint targets, since the 40-pin ATmega4809 uses the same die with fewer connected pads. This page synthesizes verified distributor data, family-level drop-in alternatives, pricing tiers, and practical design notes not consolidated in the manufacturer datasheet.

USD $0.85 在庫あり
ATMEGA4809-MFR - 8-Bit AVR MCU 20MHz 48KB Flash | Microchip
ATMEGA4809-MFR

ATMEGA4809-MFR - 8-Bit AVR MCU 20MHz 48KB Flash | Microchip

The Microchip Technology ATMEGA4809-MFR is an 8-bit AVR megaAVR 0-series Functional Safety (FuSa) microcontroller running at up to 20 MHz with 48 KB (24K x 16) Flash, 6 KB SRAM, and 256 bytes of EEPROM, housed in a 48-pin UQFN (6x6 mm) package. A microcontroller (MCU) is a single-chip computer that integrates a processor core, memory, and programmable peripherals on one die. The ATMEGA4809 belongs to the megaAVR 0-series family, which sits within Microchip's broader AVR product hierarchy alongside tinyAVR and AVR DA/DB series, and competes in the general-purpose 8-bit MCU market for embedded control systems. Key features include the AVR RISC core with hardware multiplier, Microchip's Core Independent Peripherals (CIPs) that operate without CPU intervention, and low-power features including sleep modes and event routing. The 20 MHz maximum clock, 48 KB self-programmable Flash, and 6 KB SRAM make it a direct architectural successor to the popular ATmega328P used in Arduino boards, while offering significantly more memory and peripherals. Technical depth: the megaAVR 0-series uses the latest Core Independent Peripherals such as TCA/TCB/TCD timers, USARTs with idle-line detection, a 10-bit ADC, analog comparators, and a configurable Custom Logic (CLC) block. The device supports 5V operation from 2.7 V to 5.5 V (per family supply range) and industrial temperature operation, and the -MFR variant is designated by Microchip for Functional Safety documentation support. Typical applications include industrial control and automation nodes, Arduino Nano Every class designs, motor control and LED drivers via TCD/PWM peripherals, and safety-conscious embedded systems that benefit from the FuSa qualification flow. Design consideration: the 40-pin ATmega4809 variants share the 48-pin die but expose fewer pads; pins PB[5:0] and PC[7:6] must be disabled or pulled up when porting designs across packages. This page synthesizes distributor availability, drop-in packaging variants, pinout guidance, and design notes not found in the manufacturer datasheet.

USD $1.06 在庫あり
ATMEGA4809-MUR - 8-Bit AVR MCU 20MHz 48KB Flash | Microchip
ATMEGA4809-MUR

ATMEGA4809-MUR - 8-Bit AVR MCU 20MHz 48KB Flash | Microchip

The Microchip Technology ATMEGA4809-MUR is an 8-bit AVR microcontroller (MCU) running at up to 20 MHz with 48 KB of Flash memory, 6 KB of SRAM and 256 bytes of EEPROM, housed in a 48-pin UQFN (6x6 mm) exposed-pad package supplied on tape and reel. It belongs to the megaAVR 0 family and is qualified as a Functional Safety (FuSa) part. An 8-bit microcontroller is an integrated circuit that combines a processor core, program memory, data memory and peripherals on a single chip, sitting at the device level of the embedded-systems hierarchy (semiconductor -> IC -> microcontroller -> 8-bit MCU). MCUs execute control firmware for sensing, actuation and communication tasks, and the megaAVR 0 series is the successor family to the classic ATmega328P used in Arduino boards. Key features include the AVR RISC core with a hardware multiplier executing most instructions in a single cycle at up to 20 MHz, Core Independent Peripherals (CIPs) that operate without CPU intervention, and low-power features for battery-operated designs. The 48 KB Flash (organized as 24K x 16) provides generous code space, while 6 KB SRAM supports larger buffers and stacks than legacy ATmega328-class parts. Architecturally, the ATmega4809 integrates multiple TCA/TCB timers, USARTs, SPI and TWI (I2C) interfaces, a 10-bit ADC, analog comparators and configurable custom logic cells, enabling event-driven designs in which peripherals communicate directly via the event system. The wide 2.5 V / 3.3 V / 5 V supply compatibility simplifies migration from 5 V legacy AVR designs to 3.3 V systems. Typical applications include industrial control and automation nodes, Arduino Nano Every-class maker and educational platforms, and consumer appliances requiring robust 8-bit control with safety documentation. A key design consideration: the 48-pin UQFN 6x6 package has fine pitch, so verify the PCB land pattern against the Microchip datasheet and use adequate via stitching on the exposed pad for grounding. This page synthesizes verified distributor data, drop-in family alternatives, and practical design notes not found on the manufacturer product page.

USD $0.92 在庫あり
ATMEGA4809-PF - 8-Bit AVR MCU 20MHz 48KB Flash PDIP-40 | Microchip
ATMEGA4809-PF

ATMEGA4809-PF - 8-Bit AVR MCU 20MHz 48KB Flash PDIP-40 | Microchip

The Microchip Technology ATMEGA4809-PF is an 8-bit AVR megaAVR 0-series microcontroller running at up to 20 MHz with 48 KB Flash, 6 KB SRAM, and 256 bytes of EEPROM, housed in a 40-pin PDIP (through-hole) package. It also offers Functional Safety (FuSa) documentation support, making it suitable for safety-oriented designs. A microcontroller (MCU) is a single-chip computer integrating a processor core, program memory, data memory, and peripherals such as UARTs, SPI, I2C, timers, and ADCs. Within the power-management hierarchy of embedded systems, the megaAVR 0-series sits in the general-purpose 8-bit microcontroller class, succeeding the classic ATmega328P generation with the AVR core enhanced by a hardware multiplier and Core Independent Peripherals (CIPs). Key features of the ATMEGA4809-PF include the 20 MHz AVR CPU with hardware multiplier, Core Independent Peripherals that offload tasks from the CPU, multiple UART/SPI/TWI communication interfaces, event system routing, and CRC-Scan for memory integrity checking. The 40-pin PDIP format is a major differentiator: it is breadboard-friendly and ideal for education, prototyping, and legacy through-hole designs. According to the Microchip datasheet (DS40002173), the 40-pin version uses the die of the 48-pin ATmega4809 with fewer connected pads, so PB[5:0] and PC[7:6] must be configured as disabled or pull-up enabled. The device operates from 1.8V to 5.5V and integrates a 10-bit ADC, analog comparators, and a flexible oscillator system with 20 MHz internal oscillator, eliminating external clock components in many designs. Unified Program and Debug Interface (UPDI) provides single-wire programming and debugging. Typical applications include industrial control, Arduino-compatible education platforms (the Arduino Nano Every uses the ATmega4809), home appliances, and legacy ATmega328P upgrades requiring more Flash and SRAM. Design consideration: when migrating from ATmega328P, note that register maps and programming tools change to UPDI and the megaAVR 0-series register model, so firmware requires porting. This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet, providing information gain for sourcing and engineering decisions.

USD $2.75 在庫あり
ATMEGA48A-AU - 8-bit AVR MCU, 4KB Flash, 20MHz, TQFP-32 | Microchip
ATMEGA48A-AU

ATMEGA48A-AU - 8-bit AVR MCU, 4KB Flash, 20MHz, TQFP-32 | Microchip

The Microchip Technology ATMEGA48A-AU is a high-performance, low-power 8-bit AVR RISC-based microcontroller delivering 20 MIPS throughput at 20 MHz, packaged in a 32-pin TQFP (7x7 mm). It integrates 4 KB of in-system programmable Flash, 256 bytes of EEPROM, and 512 bytes of SRAM, alongside 23 general-purpose I/O lines and 32 general-purpose working registers. The device supports supply voltages from 4.5 V to 5.5 V and operates over the industrial -40 C to +85 C temperature range. An 8-bit AVR microcontroller is a single-chip computer built on the Atmel/Microchip AVR RISC architecture, executing one instruction per clock cycle to deliver deterministic throughput per MHz. AVR MCUs occupy a node in the embedded hierarchy between simple 8051-class controllers and 32-bit ARM Cortex-M devices, offering a balance of code density, peripheral richness, and ease of programming through the AVR/GCC toolchain and Atmel Studio/MPLAB X environments. The ATmega family spans 4 KB to 256 KB Flash variants; the ATmega48A represents the smallest-memory, lowest-pin-count member suitable for compact, cost-sensitive applications. Key features of the ATMEGA48A-AU include three flexible timer/counters with compare modes, a 10-bit ADC, an analog comparator, a byte-oriented 2-wire (I2C-compatible) serial interface, a programmable USART, an SPI peripheral, six PWM channels, and internal interrupt sources. It also provides 6 sleep modes for power-critical applications, hardware multiplier support, and a watchdog timer with separate on-chip oscillator for maximum reliability. The architecture combines Harvard-style memory organization (separate Flash program memory and SRAM data memory) with a 2-stage instruction pipeline, ensuring most instructions complete in a single clock cycle. The peripheral set maps directly onto classic AVR register layouts, simplifying firmware porting within the ATmega48/88/168 family and the broader megaAVR line. Typical applications include consumer electronics, sensor node platforms, industrial control modules, battery-powered instrumentation, hobbyist and maker projects (Arduino-compatible derivatives), and small home appliances. The wide operating voltage and low-power sleep modes also suit unattended remote sensor installations. When designing with the ATMEGA48A-AU, ensure decoupling capacitors are placed within 5 mm of the VCC and AVCC pins, and that the RESET pin is pulled up through a 10 kohm resistor for stable operation. Programming is supported via ISP (in-circuit serial programming) on the MOSI/MISO/SCK pins, enabling firmware updates after PCB assembly. This page synthesizes real-time distributor pricing, verified drop-in alternatives from Microchip and competitor families, and practical design notes not consolidated on any single manufacturer or distributor page.

USD $1.78 在庫あり
ATMEGA48A-CCU - 8-bit AVR MCU 4KB Flash 20MHz | Microchip
ATMEGA48A-CCU

ATMEGA48A-CCU - 8-bit AVR MCU 4KB Flash 20MHz | Microchip

The Microchip Technology ATMEGA48A-CCU is an 8-bit AVR RISC microcontroller with 4KB of In-System Programmable Flash memory, 512B of SRAM, and 256B of EEPROM, executing at up to 20 MHz from a 1.8V to 5.5V supply, housed in a 32-ball UFBGA (4x4 mm, 0.45 mm pitch) package. An 8-bit microcontroller is a single-chip processor that performs one-byte-wide data operations and integrates CPU, memory, and peripherals on one die. The AVR ATmega family sits within Microchip's broader 8-bit MCU portfolio alongside the PIC family; MCUs in turn belong to the semiconductor class of embedded processors. AVR devices use a Harvard architecture with 32 general-purpose working registers directly connected to the ALU, allowing most of the 131 instructions to execute in a single clock cycle. Key features of the ATMEGA48A-CCU include 23 general-purpose I/O lines, three flexible timer/counters with compare modes, an 8-channel 10-bit ADC with internal bandgap reference, and both SPI and TWI (I2C-compatible) serial interfaces. A programmable Watchdog Timer with separate on-chip oscillator and a six-stage power-saving sleep portfolio (Idle, ADC Noise Reduction, Power-save, Power-down, Standby, Extended Standby) support low-power battery designs. Architecturally, the device offers true read-while-write Flash operation for self-programming and firmware updates, hardware multiplier for fast arithmetic, and debugWIRE on-chip debugging through the RESET pin - a single-wire interface that requires no extra debug pins. Flash endurance is rated at 10,000 write/erase cycles with 20-year data retention at 85C. Typical applications include consumer appliances, sensor nodes, small human-interface controllers, battery-powered measurement devices, and industrial control submodules where the 4x4 mm ball-grid footprint saves PCB area compared with TQFP or DIP package variants of the same die. Design consideration: the UFBGA package requires fine-pitch PCB assembly (0.45 mm ball pitch) and X-ray-capable reflow inspection; most evaluation and socket-based development is easier with the TQFP QFN variants of the same family. This page adds distributor availability context, drop-in family alternatives, and practical design notes beyond what the manufacturer datasheet alone provides.

USD $1.12 在庫あり
ATMEGA48A-CCUR - 8-Bit AVR MCU 20MHz 4KB Flash 32-UFBGA | Microchip
ATMEGA48A-CCUR

ATMEGA48A-CCUR - 8-Bit AVR MCU 20MHz 4KB Flash 32-UFBGA | Microchip

The Microchip Technology ATMEGA48A-CCUR is a high-performance, low-power 8-bit AVR RISC microcontroller with 4KB of In-System Programmable (ISP) Flash memory, 256B EEPROM, 512B SRAM, and a 20 MHz maximum clock frequency, housed in a 32-ball UFBGA (4x4 mm, 0.45 mm pitch) package supplied on Tape & Reel. It operates from supply voltages spanning 2.5V, 3.3V, and 5V ranges (4.5V to 5.5V at full 20 MHz speed). A microcontroller (MCU) is a single-chip computer integrating a processor core, program memory, data memory, and peripherals such as timers, UART, SPI, I2C, and ADC onto one die. Microcontrollers sit at the device level of the embedded-systems hierarchy: microcontroller -> 8-bit MCU -> embedded processor -> semiconductor IC. They execute control, sensing, and communication tasks in virtually every electronic product. The ATMEGA48A executes 131 powerful instructions, most in a single clock cycle, through its Advanced RISC architecture with 32 general-purpose working registers. Key features include 4KB self-programmable Flash, a 6-channel 10-bit ADC, three flexible timer/counters with compare modes, and an internal calibrated RC oscillator, all in an industrial temperature rating (I suffix). The A-version die is manufactured on Microchip's optimized AVR process, delivering lower power consumption and improved electrical characteristics versus the original ATmega48 while remaining functionally identical (per Microchip application note AVR532, the ATmega48A is a drop-in replacement for the ATmega48). The 32-UFBGA package offers the smallest possible footprint for space-constrained designs. Typical applications include compact battery-powered sensor nodes, consumer appliances, industrial control boards, and handheld instruments where board area is at a premium and the ball-grid package enables high-density assembly. Design consideration: use the BGA package only where reflow assembly and X-ray inspection capability exist; the device cannot be hand-soldered or reworked like a TQFP. This page synthesizes distributor pricing, verified drop-in alternatives, design guidance, and FAQ content not found in the manufacturer datasheet.

USD $1.02 在庫あり