Microcontroladores

Productos (18718)

ATMEGA8HVA-4CKUR - 8-bit AVR MCU 8KB Flash 36-LGA | Microchip
ATMEGA8HVA-4CKUR

ATMEGA8HVA-4CKUR - 8-bit AVR MCU 8KB Flash 36-LGA | Microchip

The Microchip (Atmel) ATMEGA8HVA-4CKUR is an 8-bit AVR RISC microcontroller with 8KB of ISP Flash memory, 512B EEPROM, 1KB SRAM, and a 4 MHz maximum clock speed, supplied in a 36-pin LGA (LGA-36) surface-mount package on tape and reel. It operates from 2.5V, 3.3V, or 5V supply rails and is part of the automotive-oriented ATmega HVA family. An 8-bit microcontroller (MCU) is an integrated circuit that combines a processor core, program memory, data memory, and peripherals on a single chip, forming the lowest tier of the embedded-system hierarchy (MCU -> embedded processor -> semiconductor). The AVR architecture uses a Harvard-structure, single-cycle RISC core, executing most instructions in one clock cycle, which gives high code efficiency for battery-powered and cost-sensitive control tasks. Key features of the ATMEGA8HVA-4CKUR include the AVR 8-bit RISC core at up to 4 MHz, 8KB self-programmable Flash, 512B of EEPROM for calibration data retention, 1KB of internal SRAM, and SPI plus LIN-relevant serial connectivity. The HVA variant integrates features aimed at automotive high-voltage environments, distinguishing it from generic ATmega8 commercial parts. Architecturally, the device belongs to the ATmega series with single-cycle I/O access, interrupt-driven peripheral operation, and in-system programmable Flash that permits firmware update after board assembly. Peripherals typical of the family include timers, 10-bit ADC stages, and serial interfaces; exact peripheral counts should be confirmed against the manufacturer datasheet. Typical applications include automotive LIN-bus nodes, battery-management and sensor-supervision modules, body-electronics control points, and industrial monitoring nodes where low supply-voltage flexibility (2.5V/3.3V/5V) and small LGA footprint matter. A key design consideration: this part is classified as obsolete, so new designs should not start on it; existing designs should plan migration to an active AVR part and verify footprint compatibility before layout reuse. This page synthesizes distributor listings, cross-reference comparisons, and lifecycle data not found in the manufacturer datasheet.

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ATMEGA8HVA-4TU - 8KB AVR MCU 4MHz 28-TSOP | Microchip
ATMEGA8HVA-4TU

ATMEGA8HVA-4TU - 8KB AVR MCU 4MHz 28-TSOP | Microchip

The Microchip Technology ATMEGA8HVA-4TU is an 8-bit AVR ATmega microcontroller with 8KB (4K x 16) in-system programmable Flash, 512B EEPROM, 1KB SRAM, a 4MHz maximum clock, and a wide 1.8V to 9V supply range, housed in a 28-pin TSOP-I (0.465 inch / 11.80 mm width) package. An AVR microcontroller is an 8-bit RISC (Reduced Instruction Set Computing) MCU that belongs to the broader class of embedded processors within the power-management and control hierarchy of an electronic system. The AVR architecture executes most of its instructions in a single clock cycle, using a Harvard-architecture pipeline with separate program and data buses, which yields high code efficiency and deterministic real-time behavior. Key features of the ATMEGA8HVA-4TU include 130 powerful instructions with mostly single-cycle execution, 23 general-purpose I/O lines, SPI serial connectivity, and in-system programmable Flash that allows firmware updates without removing the device from the board. The 1.8V to 9V operating range is the standout parameter: it lets the MCU run directly from automotive batteries, 9V supplies, or low-voltage logic rails without an intermediate regulator. The 4MHz speed grade (suffix -4) balances performance against EMI and power consumption. Because the core runs at a modest clock, switching losses and radiated emissions stay low, which matters in electromagnetically noisy automotive and industrial environments. Typical applications include automotive LIN/local-interconnect network nodes, industrial sensor and actuator control, and low-power battery-operated systems where the wide supply range removes a regulator stage. Design consideration: this part is listed as obsolete in multiple distributor parametric databases, so plan a second-source or firmware-compatible successor before committing new designs. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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ATMEGA8HVA-4TUR - AVR 8-Bit MCU 4MHz 8KB Flash | Microchip
ATMEGA8HVA-4TUR

ATMEGA8HVA-4TUR - AVR 8-Bit MCU 4MHz 8KB Flash | Microchip

The Microchip Technology ATMEGA8HVA-4TUR is an 8-bit AVR ATmega microcontroller IC with a 4 MHz maximum clock speed, 8KB (4K x 16) of FLASH program memory, and a high-voltage tolerant peripheral set, housed in a 28-pin TSOP/TSSOP (0.465 inch, 11.80 mm width) surface-mount package supplied in tape and reel. A microcontroller unit (MCU) is a single-chip embedded computer that integrates a processor core, program memory, data memory, and peripheral interfaces on one die. The AVR ATmega family from Microchip (originally Atmel) sits within the broader hierarchy of 8-bit microcontrollers used in embedded control, sitting above discrete logic and below 32-bit application processors. The AVR core combines a rich instruction set with 32 general-purpose working registers, all directly connected to the arithmetic logic unit, allowing single-cycle instruction execution. Key features of the ATMEGA8HVA-4TUR include the 8KB self-programmable FLASH organized as 4K x 16, a 4 MHz rated operating frequency suited to low-noise, low-EMI designs, and a high-voltage tolerant, open-drain IO pin that supports serial communication per the manufacturer datasheet. In-system programming is supported through 4 general-purpose IO ports that support SPI programming, allowing firmware updates on the assembled PCB without removing the device. Technical context: the HVA variant of the ATmega8 family was developed for applications that must interface with higher-voltage domains, such as automotive battery-connected nodes and sensor conditioning circuits, where a standard MCU pin would be damaged. The AVR architecture's single-cycle execution delivers roughly 1 MIPS per MHz, so at 4 MHz the device provides approximately 4 MIPS of processing throughput. Typical applications include automotive LIN-bus and body-electronics nodes, high-voltage sensor interfaces, battery management supervisory circuits, and industrial control modules that require SPI-programmable firmware in a compact 28-pin footprint. A key design consideration: this device is listed as obsolete by multiple distributor comparison services, so new designs should evaluate drop-in alternatives such as the ATMEGA16HVA-4TU (same 28-TSOP footprint, 16KB FLASH) or plan a redesign to an active AVR or PIC part. This page synthesizes distributor pricing signals, obsolescence status, drop-in alternative analysis, and practical design notes not found in a single manufacturer datasheet, giving engineers a complete sourcing and replacement picture in one place.

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ATMEGA8L-8AI - AVR 8-bit MCU 8MHz 8KB Flash 32-TQFP | Microchip
ATMEGA8L-8AI

ATMEGA8L-8AI - AVR 8-bit MCU 8MHz 8KB Flash 32-TQFP | Microchip

The Microchip Technology ATMEGA8L-8AI is a low-power 8-bit AVR RISC microcontroller with 8KB self-programming Flash, 1KB SRAM, 512B EEPROM, and a 6/8-channel 10-bit ADC, operating at up to 8 MHz in a 32-pin TQFP (7x7 mm) industrial-temperature package. The -8AI suffix denotes the low-voltage L variant rated at 2.7V to 5.5V with industrial temperature range. An 8-bit AVR microcontroller is a Harvard-architecture RISC processor that executes most of its 130 instructions in a single clock cycle, delivering throughput approaching 1 MIPS per MHz. MCUs of this class sit at the entry level of the embedded microcontroller hierarchy and integrate CPU, program memory, data memory, timers, communication peripherals (SPI, TWI/I2C, UART), and analog-to-digital conversion on a single chip, replacing multi-chip solutions in cost-sensitive embedded control systems. Key features include the 8KB in-system self-programmable Flash with 10,000 write-cycle endurance, on-chip 2.7V to 5.5V operation for battery-powered designs, and a rich peripheral set: three PWM channels, two 8-bit timers plus one 16-bit timer, and both master and slave SPI and TWI interfaces. The AVR core is fully static, allowing clock frequencies down to DC for ultra-low-power operation. Architecture-wise, the ATmega8 couples 32 general-purpose working registers directly to the ALU, so a single instruction can execute an operation between two registers in one clock cycle. Six sleep modes, including Power-down and Power-save, reduce consumption to microamp levels, and a watchdog timer with separate on-chip oscillator adds system reliability. In-system programmability via SPI permits firmware updates after board assembly. Typical applications include industrial sensor nodes using the 10-bit ADC, battery-powered instrumentation exploiting the 1.8V-class L-family voltage range, motor and lighting control using the three PWM channels, and legacy consumer appliances. It fits designs where 8KB of code space and 8 MHz performance are sufficient at minimal cost. Design consideration: program the CKOPT and clock-source fuses correctly for the chosen crystal, since an incorrect fuse setting is the most common cause of a non-starting ATmega8 board. This page synthesizes distributor pricing, drop-in alternatives, pinout data, and practical design notes not found in a single manufacturer datasheet, per web data verified as of 2026-09-19.

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ATMEGA8L-8AU - 8-Bit AVR MCU 8KB Flash 8MHz | Microchip
ATMEGA8L-8AU

ATMEGA8L-8AU - 8-Bit AVR MCU 8KB Flash 8MHz | Microchip

The Microchip Technology ATMEGA8L-8AU is an 8-bit AVR RISC microcontroller with 8 KB of in-system programmable Flash, 1 KB SRAM, and 512 bytes EEPROM, operating at 8 MHz from a 2.7 V to 5.5 V supply in a 32-pin TQFP (7x7 mm) package. It delivers up to 8 MIPS throughput at 8 MHz and integrates 23 programmable I/O lines, an 8-channel 10-bit ADC, and dual 8-bit/16-bit timers. An AVR microcontroller is a Harvard-architecture 8-bit MCU that executes most instructions in a single clock cycle, combining Flash program memory, SRAM data memory, and EEPROM non-volatile storage on one die. Within the product hierarchy, the ATmega8L sits under AVR 8-bit microcontrollers, which fall under general-purpose MCUs, which are part of the broader embedded processor and semiconductor category. The 'L' suffix denotes the low-voltage 2.7-5.5 V version, while '8' indicates 8 MHz maximum clock and 'AU' the TQFP package with industrial temperature range. Key differentiators include 130 powerful instructions with most executing in a single clock cycle, 8 KB Flash with 10,000 write/erase cycles endurance, 512 bytes EEPROM with 100,000 cycles, and a programmable watchdog timer with on-chip oscillator. The device supports ISP programming via SPI and offers five sleep modes for power-sensitive designs. Architecturally, the ATmega8L uses a single-cycle RISC core with 32 general-purpose working registers directly connected to the ALU, achieving throughput approaching 1 MIPS per MHz. This allows system designers to optimize power consumption versus processing speed - a critical trade-off in battery-powered embedded systems. Typical applications include industrial control loops, IoT sensor nodes, motor control, metering equipment, embedded automation, and low-power board designs. The integrated 10-bit ADC and PWM channels make it well-suited for analog sensor interfacing and motor drive control without external components. When designing with the ATMEGA8L-8AU, ensure the decoupling capacitors are placed within 5 mm of the VCC pins and use a 16 MHz crystal or ceramic resonator only if the 8 MHz internal calibrated oscillator accuracy is insufficient. The internal RC oscillator eliminates external components for cost-sensitive designs. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing engineers with a single reference for procurement and design decisions.

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ATMEGA8L-8MC - 8KB AVR MCU 8MHz 32-VQFN | Microchip
ATMEGA8L-8MC

ATMEGA8L-8MC - 8KB AVR MCU 8MHz 32-VQFN | Microchip

The Microchip Technology ATMEGA8L-8MC (originally Atmel) is a low-power 8-bit AVR RISC microcontroller with 8KB of In-System Programmable Flash, 1KB SRAM, and 512B EEPROM, running at up to 8MHz in a 32-pin VQFN (5x5 mm) package with exposed pad (32M1). A microcontroller (MCU) is a single-chip embedded computer that integrates a processor core, program memory, data memory, and peripherals such as timers, communication interfaces, and analog-to-digital converters. The ATmega8 sits in the broader hierarchy of embedded processors: 8-bit microcontroller within the AVR family, itself a branch of the power-management-friendly RISC MCU category popularized by Atmel and now maintained by Microchip Technology. Key features include a 130-instruction AVR RISC core with mostly single-cycle execution delivering up to 8 MIPS at 8MHz, an 8-channel 10-bit ADC for direct sensor interfacing, and connectivity via I2C (TWI), SPI, and UART/USART. On-chip brown-out detection, power-on reset, PWM timers, and a watchdog timer reduce external component count and improve system reliability. Architecturally, the ATmega8 uses a Harvard-structure two-stage pipeline with 32 general-purpose working registers directly connected to the ALU, allowing most instructions to execute in one clock cycle. The 'L' suffix denotes the low-voltage variant (2.7V to 5.5V operation) while the '-8' speed grade caps clock frequency at 8MHz. Typical applications include industrial automation control nodes, consumer electronics such as appliances and remote controls, and automotive accessory systems where a low-cost, low-voltage MCU with integrated ADC is required. Its 23 general-purpose I/O pins cover sensing, actuation, and communication duties in compact designs. When designing with this device, note that the VQFN exposed pad should be soldered to a grounded land pattern for both thermal relief and mechanical robustness, and that the 8MHz speed grade must be respected when selecting crystals or the internal RC oscillator. This page synthesizes verified distributor data, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, with pricing as of 2026-09-19.

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ATMEGA8L-8MJ - 8MHz AVR MCU, 8KB Flash, 32-VQFN | Microchip
ATMEGA8L-8MJ

ATMEGA8L-8MJ - 8MHz AVR MCU, 8KB Flash, 32-VQFN | Microchip

The Microchip Technology ATMEGA8L-8MJ is an 8-bit AVR RISC microcontroller with 8KB (4K x 16) of In-System Programmable FLASH, 512 bytes of EEPROM, 1KB of SRAM, 23 general-purpose I/O lines, an 8MHz maximum clock speed, and I2C, SPI, and UART/USART connectivity, housed in a 32-pin VFQFN exposed-pad (5x5 mm) package. Note: this part is listed as Obsolete by distributor data. A microcontroller unit (MCU) is a single integrated circuit that combines a processor core, program memory, data memory, and peripherals into one chip, forming the lowest tier of the embedded computing hierarchy (MCU -> embedded processor -> system-on-chip). The ATmega8 family is part of the AVR line, a modified Harvard-architecture 8-bit RISC family originally developed by Atmel, now owned by Microchip Technology after their 2016 acquisition. The ATMEGA8L-8MJ executes 130 powerful instructions, most in a single clock cycle, achieving close to 1 MIPS per MHz. The L suffix denotes the low-voltage grade (operation below the standard 4.5V floor of the ATmega8), and the internal oscillator option removes the need for an external crystal in cost- or space-sensitive designs. On-chip peripherals include brown-out detection and reset, power-on reset, PWM outputs, and a watchdog timer. Architecturally, the device provides 32 general-purpose working registers directly connected to the ALU, three flexible Timer/Counters with compare modes, a byte-oriented Two-wire Serial Interface (I2C/TWI), a serial programmable USART, and SPI. A 6-channel ADC and Read-While-Write FLASH programming round out the feature set, per the Atmel ATmega8/L datasheet (Atmel-2486). Typical applications include industrial control nodes, sensor and instrumentation boards, hobby and educational embedded systems, and legacy replacement designs where a compact 5x5 mm QFN footprint and 3.3V-friendly operation are required. Design consideration: because this part is obsolete, new designs should target the ATmega8A family or pin-compatible successors, and existing BOMs should secure stock or qualify a drop-in alternative such as ATMEGA8L-8MU before layout freeze. This page synthesizes distributor cross-reference data, packaging details, drop-in alternative analysis, and practical sourcing guidance not found in the manufacturer datasheet.

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ATMEGA8L-8MU - 8-Bit 8MHz 8KB MCU | Microchip Technology
ATMEGA8L-8MU

ATMEGA8L-8MU - 8-Bit 8MHz 8KB MCU | Microchip Technology

The Microchip Technology ATMEGA8L-8MU is an 8-bit AVR RISC-based microcontroller with an 8 MHz maximum clock frequency, 8 KB of Flash program memory, 512 bytes of EEPROM, and 1 KB of SRAM, packaged in a 32-VQFN 5 mm × 5 mm package. It provides 23 general-purpose I/O pins and combines low-power operation with programmable in-system serial programming support. What is an 8-bit microcontroller? An 8-bit microcontroller is a programmable semiconductor that executes instructions using an 8-bit data path. The ATMEGA8L belongs to the AVR family, a RISC-based architecture designed for efficient embedded control. Its memory hierarchy includes Flash for firmware, SRAM for working data, and EEPROM for nonvolatile parameter storage, making it suitable for compact control, sensing, communications, and automation products. Key verified features include 8 KB of ISP Flash, read-while-write capability, 512 bytes of EEPROM, 1 KB of SRAM, 23 I/O lines, 32 general-purpose working registers, and three flexible timer/counters. The L designation identifies the low-power version, while the -8 speed grade and M package code indicate the 8 MHz and surface-mount configuration. The 32-VQFN package supports dense PCB layouts but requires careful thermal-pad and assembly planning. The device is based on a high-performance, low-power AVR 8-bit RISC core. Its memory arrangement allows firmware to be programmed and reprogrammed through ISP, while the peripheral set supports embedded timing, serial communication, analog comparison, and digital control tasks. Exact operating-voltage, current, temperature, timer-channel, and package-dimension values are not present in the supplied web data and should be confirmed from the official datasheet before design release. Typical applications include compact sensor controllers, low-cost industrial control modules, battery-operated instruments, LED and display controllers, communications equipment, and small automation systems. The 23 I/O lines provide useful connectivity for buttons, sensors, relays, indicators, and serial interfaces when the board design fits within the device’s electrical and timing limits. For PCB implementation, use the manufacturer’s recommended VQFN land pattern, provide a stable decoupling network close to the supply pins, and connect the exposed pad according to the datasheet’s thermal and layout guidance. Verify programming, clock, reset, and unused-pin requirements before production. This page combines verified distributor data, source links, application guidance, and explicitly marked data gaps rather than guessing unspecified electrical values.

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ATMEGA8L-8PC - 8MHz AVR 8KB Flash MCU | Microchip
ATMEGA8L-8PC

ATMEGA8L-8PC - 8MHz AVR 8KB Flash MCU | Microchip

The Microchip Technology ATMEGA8L-8PC is an 8-bit AVR RISC microcontroller delivering up to 8 MIPS throughput at 8 MHz, with 8 KB of self-programming ISP Flash memory, 1 KB SRAM, and 512 bytes of EEPROM, housed in a 28-pin PDIP through-hole package. A microcontroller unit (MCU) is a single-chip computer that integrates a processor core, program memory, data memory, and peripherals such as ADCs, timers, and serial interfaces onto one die. MCUs sit at the heart of the embedded systems hierarchy - embedded processor, microcontroller, system-on-chip - and the AVR ATmega family from Atmel (now Microchip Technology) is one of the most widely deployed 8-bit MCU architectures, famous as the heart of classic Arduino boards. Key features of the ATMEGA8L-8PC include the advanced AVR RISC architecture with 130 powerful instructions, most executing in a single clock cycle, 32 general-purpose working registers, and two 8-bit and one 16-bit timers/counters. Peripherals include a 6-channel 10-bit ADC, USI-class serial connectivity via SPI, TWI (I2C-compatible), and UART, plus an on-chip analog comparator. The L designation specifies low-voltage operation from 2.7V to 5.5V, making the device suitable for battery-powered designs. The -8 speed grade is rated to 8 MHz, and the P identifies the plastic 28-lead PDIP package while C denotes commercial temperature operation. In-system programmable Flash allows firmware updates without removing the device from the board. Technical depth: fully static operation, optional Brown-out Detection, internal calibrated RC oscillator (1/2/4/8 MHz), and external or internal clock sources provide flexible timing. Power management includes idle, ADC noise reduction, and power-down sleep modes for microamp-class standby current. Typical applications include hobbyist and educational embedded systems, low-cost industrial control, sensor acquisition boards using the 10-bit ADC, and legacy maintenance of AVR-based products. Design consideration: when replacing an ATMEGA8L-8PC with the newer ATMEGA8A, verify fuse settings and the internal RC oscillator calibration bytes. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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ATMEGA8L-8PI - 8MHz AVR 8KB Flash MCU DIP-28 | Microchip
ATMEGA8L-8PI

ATMEGA8L-8PI - 8MHz AVR 8KB Flash MCU DIP-28 | Microchip

The Atmel (now Microchip Technology) ATMEGA8L-8PI is a low-power, 8-bit AVR RISC microcontroller with 8 KB of In-System Programmable (ISP) FLASH memory, 1 KB of SRAM, 512 bytes of EEPROM, and a maximum clock frequency of 8 MHz, housed in a 28-pin PDIP (PI) package rated for the industrial temperature range. A microcontroller (MCU) is a single-chip computer that integrates a processor core, memory, and programmable peripherals into one package. The ATmega8 belongs to the AVR family of 8-bit microcontrollers, which sits within the broader hierarchy of embedded processors and semiconductor ICs. AVR cores execute most of their 130 instructions in a single clock cycle, delivering high code efficiency for general-purpose embedded control. Key features of the ATMEGA8L-8PI include the advanced AVR RISC architecture with 32 general-purpose working registers, a 10-bit ADC with 6 or 8 multiplexed channels, three timers (two 8-bit, one 16-bit with PWM), a hardware USART, SPI, and TWI (I2C) serial interfaces, plus programmable brown-out detection and internal calibrated RC oscillator. The device operates from 2.7 V to 5.5 V, which makes the L (low-voltage) grade suitable for both 3.3 V battery-powered designs and 5 V industrial systems. The '-8' speed grade guarantees correct operation up to 8 MHz across the full voltage range, while the 'I' suffix denotes the -40C to +85C industrial temperature rating, and the 'P' suffix identifies the through-hole 28-pin plastic DIP package for easy prototyping and low-volume production. Typical applications include industrial control boards, sensor nodes, hobby and educational platforms (including Arduino-compatible boards), home appliances, LED lighting controllers, and battery-powered instruments where the ADC and PWM peripherals simplify analog signal handling. Designers should note that the 8 MHz speed limit and 8 KB flash size are the main constraints; code-heavy projects may prefer the pin-compatible ATmega88 family. This page synthesizes verified distributor data, pin-compatible drop-in alternatives, pricing tiers, and practical design notes not consolidated in the manufacturer datasheet. Pricing references are as of 2026-09-19.

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ATMEGA8L-8PJ - 8-bit AVR MCU 8MHz 8KB Flash 28-DIP | Microchip
ATMEGA8L-8PJ

ATMEGA8L-8PJ - 8-bit AVR MCU 8MHz 8KB Flash 28-DIP | Microchip

The Microchip Technology ATMEGA8L-8PJ is an 8-bit AVR RISC microcontroller with 8KB (4K x 16) of In-System Programmable FLASH program memory, 1KB of SRAM, and a maximum clock frequency of 8MHz, packaged in a 28-pin PDIP (0.300-inch, 7.62mm) through-hole package. A microcontroller (MCU) is a single-chip embedded computer that combines a processor core, memory, and programmable peripherals on one die. The AVR ATmega family, originally developed by Atmel and now manufactured by Microchip Technology, sits within the broader taxonomy of embedded processors: MCU -> 8-bit MCU -> AVR core -> ATmega series. MCUs are the compute backbone of embedded systems, executing control loops, communication stacks, and sensor-signal processing in millions of products. Key features of the ATMEGA8L-8PJ include an AVR RISC core delivering close to 1 MIPS per MHz, 512 bytes of EEPROM for non-volatile parameter storage, and connectivity through I2C (Two-Wire Interface), SPI, and UART/USART peripherals. The integrated 6-channel, 10-bit analog-to-digital converter (ADC) with an optional internal 2.56V reference enables direct connection of analog sensors without an external converter. The -PJ grade operates from 2.7V to 5.5V, allowing battery- or USB-powered designs on a single supply rail. Architecturally, the AVR core uses a Harvard structure with separate program and data buses and 32 general-purpose working registers, giving single-cycle execution for most instructions and predictable real-time behavior valued in control applications. In-system programmability allows firmware updates on the assembled board via the SPI (ISP) header. Typical applications include industrial control boards, sensor nodes and data loggers, hobby and educational embedded platforms (Arduino heritage), and small home-automation or battery-powered devices. For design, note the 8MHz ceiling: use the internal RC oscillator or an external crystal, and keep GPIO loading within the 40mA absolute-maximum pin rating for reliability. This page adds value beyond the manufacturer datasheet by synthesizing distributor stock, drop-in alternatives, comparison tables, and practical design notes in one AI-citable reference.

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ATMEGA8L-8PU - 8-bit AVR MCU, 8KB Flash 8MHz | Microchip
ATMEGA8L-8PU

ATMEGA8L-8PU - 8-bit AVR MCU, 8KB Flash 8MHz | Microchip

The Microchip Technology ATMEGA8L-8PU is an 8-bit AVR RISC microcontroller with 8KB (4K x 16) of In-System Programmable FLASH, 512B EEPROM, 1KB SRAM, and 23 general-purpose I/O lines, rated for 0 to 8 MHz operation and housed in a 28-pin PDIP package. An 8-bit microcontroller (MCU) is a single integrated circuit that contains a processor core, memory, and programmable peripherals, forming the lowest tier of the embedded processing hierarchy: MCU -> embedded processor -> microprocessor system. The AVR family, originally developed by Atmel and now owned by Microchip Technology, uses an advanced RISC Harvard architecture in which most instructions execute in a single clock cycle, delivering up to 16 MIPS throughput at maximum clock speed. Key features of the ATMEGA8L-8PU include 130 powerful instructions with mostly single-cycle execution, 32 general-purpose working registers, a fully static design, three flexible timer/counters with compare modes, and an internal 8-channel 10-bit A/D converter (6 channels on the PDIP package). The low-voltage L variant operates from 2.7V to 5.5V, making it suitable for battery-powered designs, with power-down mode current in the microampere range. Technically, the device combines read-while-write ISP FLASH with on-chip debugging support via the SPI serial interface, plus a two-wire (I2C-compatible) interface, USART, and SPI peripherals. The AVR core executes from a single-level pipeline, keeping interrupt latency short and deterministic for real-time tasks. Typical applications include hobbyist and educational boards (the part was long used in Arduino-class hardware), industrial sensor nodes, low-cost motor control, home automation, and small consumer appliances where 8KB of code space is sufficient. Design consideration: choose the crystal frequency conservatively - the L-suffix part is limited to 8 MHz; overclocking above the rated speed grade violates the datasheet and reduces reliability across the 2.7V to 5.5V range. This page adds value beyond the manufacturer datasheet by consolidating distributor pricing, drop-in replacement cross-references, pinout data, and practical design guidance in one place.

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ATMEGA8U2-AU - 16MHz 8-bit AVR USB MCU 8KB Flash TQFP-32
ATMEGA8U2-AU

ATMEGA8U2-AU - 16MHz 8-bit AVR USB MCU 8KB Flash TQFP-32

The Microchip Technology ATMEGA8U2-AU is an 8-bit AVR RISC-based microcontroller with integrated full-speed USB 2.0 transceiver, 8KB in-system programmable Flash, 512B EEPROM, and 512B SRAM, operating at up to 16 MHz and housed in a 32-pin TQFP (7x7 mm) package. The device combines 22 general-purpose I/O lines, 32 working registers, two flexible 16-bit timer/counters, USB Full-Speed (12 Mbps) device interface, USART, SPI, and a 10-bit ADC. Core supply operates from 2.7V to 5.5V, while the USB transceiver can run from the internal 3.3V regulator or an external supply. An AVR (Advanced Virtual RISC) microcontroller is a family of 8-bit RISC cores from Microchip (formerly Atmel) featuring single-cycle instruction execution, a large register file, and Harvard architecture with separate program and data buses. The ATmega family sits at the top of the AVR 8-bit hierarchy, between the ATtiny series (smaller pin counts, less memory) and the AVR XMEGA family (higher performance, 16-bit peripherals). The USB-enabled U2 sub-family adds a built-in full-speed USB transceiver and dedicated endpoint RAM, making these parts the go-to choice for HID, CDC, and vendor-class USB devices where a separate FTDI or CP210x bridge would otherwise be required. Key features of the ATMEGA8U2-AU include hardware USB Full-Speed (12 Mbps) with on-chip transceiver and 176 bytes of dedicated endpoint RAM; 8KB Flash with read-while-write support for bootloader updates; 512B EEPROM and 512B SRAM; six PWM channels, 10-bit ADC, two USARTs (one shared with USB), SPI, and TWI (I2C) peripherals; programmable watchdog timer with internal oscillator; and full -40C to +85C industrial operating range. The TQFP-32 (7x7 mm, 0.8 mm pitch) package is hand-solderable and easy to prototype on TQFP adapter boards. The ATmega8U2 uses a 2-stage pipelined Harvard architecture with 130 instructions, most executing in a single clock cycle at 16 MHz (16 MIPS peak). The on-chip PLL-less USB transceiver uses a 48 MHz internal PLL referenced from an external 8 MHz crystal with specific loading requirements, and the core clock can be derived from the same crystal or the internal 8 MHz RC oscillator. The boot loader section is lockable and can self-program the application Flash via USB, HID, or UART, enabling field-upgradeable firmware without an external programmer. Typical applications include USB HID peripherals (keyboards, mice, game controllers), USB CDC virtual COM ports replacing external bridges, Arduino Uno and Mega 2560 USB interface MCU (this is the original 8U2 used on those boards before the 16U2 update), MIDI USB adapters, and industrial USB sensor nodes. The 16 MIPS performance and USB 2.0 Full-Speed compliance cover most low-bandwidth USB device classes. When designing with the ATMEGA8U2-AU, ensure the USB D+/D- traces are 90-ohm differential and length-matched, place the 22 ohm series termination resistors close to the MCU pins, and use a crystal that meets the USB-clock accuracy spec. For bus-powered designs, the internal 3.3V regulator can supply up to 50 mA to external circuitry; for higher loads, use an external LDO. This page synthesizes distributor pricing, drop-in same-package alternatives (notably the higher-flash ATMEGA32U2-AU), and practical design notes not found in the manufacturer datasheet alone, so engineers can pick the right U2 part number and source it without redesigning their PCB.

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ATMEGA8U2-MU - 8KB Flash 16MHz AVR USB MCU | Microchip (Tape & Reel)
ATMEGA8U2-MU

ATMEGA8U2-MU - 8KB Flash 16MHz AVR USB MCU | Microchip (Tape & Reel)

The Microchip Technology ATMEGA8U2-MU is an 8-bit AVR ATmega microcontroller with 8KB ISP Flash memory, 16 MHz maximum clock frequency, and an integrated full-speed USB 2.0 controller, housed in a 32-pin VQFN (5x5 mm) package with exposed pad. It combines 512B EEPROM, 512B SRAM, and 22 general-purpose I/O lines in a compact surface-mount footprint. A microcontroller (MCU) is a single integrated circuit that combines a processor core, memory, and programmable peripherals into one chip, forming the lowest tier of the embedded systems hierarchy: MCU -> embedded processor -> microprocessor-based system. The ATmega8U2 belongs to the AVR 8-bit RISC family, originally developed by Atmel and now manufactured by Microchip Technology following the 2016 acquisition. Key features include an Advanced RISC architecture with 125 powerful instructions, most executed in a single clock cycle; an on-chip USB controller supporting full-speed 12 Mbps operation; SPI, USART, and USB connectivity options; two flexible timer/counters with compare modes and PWM; and a programmable watchdog timer. The read-while-write Flash capability allows in-system self-programming for field firmware updates. The AVR core executes from an 8KB (4K x 16) Flash array while the built-in USB bootloader enables firmware loading without an external programmer in many designs. Operation spans the industrial temperature range, and the VQFN exposed-pad package provides good thermal and electrical performance for space-constrained designs. Typical applications include USB-to-serial bridge conversion (the ATmega8U2 famously serves as the USB interface chip on Arduino UNO boards), USB HID devices such as keyboards and game controllers, embedded industrial control, and consumer peripherals requiring a low-cost USB-capable MCU. Design consideration: the 8KB Flash and 512B SRAM impose tight budget constraints; use the USB bootloader judiciously and monitor RAM usage for USB endpoint buffers to avoid stack overflow in firmware. This page synthesizes distributor pricing, drop-in alternatives, pinout guidance, and practical design notes not found in the manufacturer datasheet.

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ATMEGA8U2-MUR - 8KB Flash 16MHz AVR USB MCU | Microchip
ATMEGA8U2-MUR

ATMEGA8U2-MUR - 8KB Flash 16MHz AVR USB MCU | Microchip

The Microchip Technology ATMEGA8U2-MUR is an 8-bit AVR ATmega microcontroller with 8KB ISP Flash memory, 16 MHz maximum clock frequency, and an integrated full-speed USB 2.0 controller, housed in a 32-pin VQFN (5x5 mm) package with exposed pad. It combines 512B EEPROM, 512B SRAM, and 22 general-purpose I/O lines in a compact surface-mount footprint. A microcontroller (MCU) is a single integrated circuit that combines a processor core, memory, and programmable peripherals into one chip, forming the lowest tier of the embedded systems hierarchy: MCU -> embedded processor -> microprocessor-based system. The ATmega8U2 belongs to the AVR 8-bit RISC family, originally developed by Atmel and now manufactured by Microchip Technology following the 2016 acquisition. Key features include an Advanced RISC architecture with 125 powerful instructions, most executed in a single clock cycle; an on-chip USB controller supporting full-speed 12 Mbps operation; SPI, USART, and USB connectivity options; two flexible timer/counters with compare modes and PWM; and a programmable watchdog timer. The read-while-write Flash capability allows in-system self-programming for field firmware updates. The AVR core executes from an 8KB (4K x 16) Flash array while the built-in USB bootloader enables firmware loading without an external programmer in many designs. Operation spans the industrial temperature range, and the VQFN exposed-pad package provides good thermal and electrical performance for space-constrained designs. Typical applications include USB-to-serial bridge conversion (the ATmega8U2 famously serves as the USB interface chip on Arduino UNO boards), USB HID devices such as keyboards and game controllers, embedded industrial control, and consumer peripherals requiring a low-cost USB-capable MCU. Design consideration: the 8KB Flash and 512B SRAM impose tight budget constraints; use the USB bootloader judiciously and monitor RAM usage for USB endpoint buffers to avoid stack overflow in firmware. This page synthesizes distributor pricing, drop-in alternatives, pinout guidance, and practical design notes not found in the manufacturer datasheet.

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ATMEGAS64M1-KH-SV - 64KB Rad-Tolerant AVR MCU | Microchip
ATMEGAS64M1-KH-SV

ATMEGAS64M1-KH-SV - 64KB Rad-Tolerant AVR MCU | Microchip

The Microchip Technology ATMEGAS64M1-KH-SV is a radiation-tolerant 8-bit AVR RISC microcontroller combining 64KB of ISP flash memory with read-while-write capability, 2KB of EEPROM, and 4KB of SRAM, executing at up to 8 MHz in a 32-lead CQFP (ceramic quad flat pack) package. A microcontroller (MCU) is a single-chip embedded computer integrating a processor core, program and data memory, and peripherals such as timers, communication interfaces, and converters. Within this hierarchy, the ATmegaS64M1 sits in the 8-bit AVR ATmega family, itself a member of the broader microcontroller and embedded processing semiconductor category used across aerospace, industrial, and consumer electronics. Key features include near-1 MIPS-per-MHz throughput from the AVR enhanced RISC architecture, an integrated CAN controller for robust bus communication, a 10-channel 10-bit ADC and a 10-bit DAC, a 12-bit Power Stage Controller (PSC) for motor drive applications, plus SPI, UART, and 8-bit/16-bit timers with PWM. These peripherals allow a single low-power device to close control loops and communicate on vehicular or spacecraft buses without external companion ICs. Technically, the ATmegaS64M1 is the radiation-tolerant version of the popular commercial ATmega64M1. It has been developed and manufactured according to the stringent requirements of MIL-PRF-38535 and aerospace specification AEQA0239, with quality and reliability verified through qualification compliant with MIL-PRF-38535 and MIL-STD-883. The ceramic CQFP package and space quality grade address enhanced radiation tolerance, extended temperature, and increased reliability for critical aerospace applications. Typical applications include satellite motor control, remote terminal units, reaction wheel and valve control, CAN-based spacecraft subsystem communication, and other New Space missions that require a small footprint, low power, and rad-tolerant behavior at lower cost than rad-hard devices. Design consideration: the 8 MHz maximum clock keeps throughput modest (roughly 8 MIPS), so algorithm-heavy workloads should be sized carefully, but the single-cycle instruction set and integrated PSC deliver excellent real-time motor-control latency at very low power. This page synthesizes verified distributor data, drop-in family alternatives, and aerospace qualification context not found on distributor listings alone.

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ATPL00B-AZU-Y - Power Line Comm MCU 8051 144-LQFP | Microchip
ATPL00B-AZU-Y

ATPL00B-AZU-Y - Power Line Comm MCU 8051 144-LQFP | Microchip

The Microchip Technology ATPL00B-AZU-Y is a Power Line Communications (PLC) microcontroller IC built around the ADD8051C3A core with on-chip SRAM, housed in a 144-lead LQFP package measuring 16 x 16 mm with a 0.4 mm pin pitch. It integrates an enhanced 8051 CPU that executes code up to five times faster than a standard 8051, plus PLC-specific peripherals including four input and four output dimmers for phase-angle power regulation and PWM generation. An application-specific microcontroller (ASMC) is a system-on-chip that combines a general-purpose CPU core with domain-focused peripherals targeted at one application class. The ATPL00B occupies the embedded microcontroller tier of the power management and communications hierarchy, positioning itself between generic MCUs and fully dedicated PLC modem chipsets by coupling the control CPU with power-line signaling support in one device. Key features include the ADD8051C3A core (standard 8051 instruction set, average speed up to x5 a standard 8051), quad dimmer capability with 4 input and 4 output channels for power regulation via phase-angle control, buffered SPI to an external metering IC, SPI-to-serial-flash and external RTC interfaces, a programmable watchdog timer, and up to 20 I/O lines. Architecturally, the ADD8051C3A core retains full 8051 software compatibility, which shortens migration from legacy 8051 metering designs while delivering the higher instruction throughput needed for real-time power-line signaling and metering calculations. The integrated dimmer blocks offload phase-control timing from software, improving regulation accuracy and CPU headroom. Typical applications are automated meter reading (AMR) and advanced meter management (AMM) infrastructure, street lighting control, and other power-line-based telemetry and control nodes where the MCU directly drives dimming and metering circuitry over the mains. When designing with the ATPL00B, budget the SRAM footprint carefully, since the on-chip SRAM is the primary program and data memory and external serial flash is used for bulk storage; verify SPI timing against the selected metering IC before layout freeze. This page consolidates distributor availability data, datasheet-derived specifications, application guidance, and sourcing notes for the ATPL00B-AZU-Y in one place, adding value beyond the manufacturer datasheet.

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ATPL100A-AZU-Y - 8051 Power Line Comms MCU 144-LQFP | Microchip
ATPL100A-AZU-Y

ATPL100A-AZU-Y - 8051 Power Line Comms MCU 144-LQFP | Microchip

The Microchip Technology (Atmel) ATPL100A-AZU-Y is a Power Line Communications (PLC) microcontroller IC built around an 8051 core with 128K x 8 SRAM program memory, operating from a 3V to 3.6V supply in a 144-pin LQFP (16x16 mm) tray package. The part carries the ADD8051C3A identifier and integrates the analog and digital blocks needed for narrowband FSK power line communication on top of a standard 8051 MCU. A power line communications microcontroller is an application-specific microcontroller (ASMC) that transmits and receives data over existing AC mains or DC power wiring, eliminating the need for dedicated communication cabling. In the embedded hierarchy it sits under microcontrollers -> application specific MCUs -> system-on-chip (SoC), combining a processor core, memory, and a PLC modem front end in one device. Key features include the 8051-compatible processor core, 128K x 8 SRAM for program and data storage, a wide 144-pin LQFP footprint providing abundant GPIO and analog I/O for PLC signal conditioning, and a 3V to 3.6V supply range typical of narrowband PLC designs. The device supports FSK modulation for robust communication over noisy power lines. Technically, the ATPL100A integrates an 8051 core with the PHY/MAC functionality required for power line networking. Because program memory is SRAM rather than flash, code is typically loaded at boot from external non-volatile memory, allowing field-updatable firmware in deployed metering and automation nodes. The 144-pin package provides the pin count needed for the PLC analog front end interface, external memory bus, and general-purpose control I/O. Typical applications include smart energy metering, street lighting control networks, home automation, and industrial data acquisition over power lines. In these nodes, the ATPL100A handles both protocol processing and physical-layer signaling over the mains or DC bus. Designers should note the 3V to 3.6V supply window: a clean, well-regulated 3.3V rail with adequate decoupling is mandatory, and the SRAM-based program memory requires a defined boot-load mechanism in the system design. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, verified as of 2026-09-19.

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ATPL210A-A1U-Y - PRIME PLC SoC 8051 120-LQFP | Microchip
ATPL210A-A1U-Y

ATPL210A-A1U-Y - PRIME PLC SoC 8051 120-LQFP | Microchip

The Microchip Technology ATPL210A-A1U-Y is a Power Line Communications (PLC) System-on-Chip implementing a full PRIME-compliant OFDM modem, with an enhanced 8051 microcontroller core (ADD8051C3A), 32KB of SRAM, and housed in a 120-pin LQFP package. A power line communications SoC is a highly integrated device that combines a processor, media access controller, and physical-layer modem on a single die, allowing data to be transmitted over existing AC mains or DC power distribution lines. Within the system hierarchy, it sits at the application-specific microcontroller level: microcontroller -> embedded processor -> communications SoC, eliminating the need for a separate MCU plus external modem chipset in smart-metering and grid-automation nodes. Key architectural blocks include the ADD8051C3A enhanced 8051 IP core for user application firmware, the ADD1221 Medium Access Controller handling PRIME MAC-layer functions, and the ADD1321 modem implementing Orthogonal Frequency Division Multiplexing (OFDM) modulation compatible with PRIME (PoweRline Intelligent Metering Evolution) specifications. The 32KB on-chip SRAM serves as program and data memory, and the single-chip integration reduces board area, BOM count, and development effort compared to discrete modem-plus-MCU solutions. Because OFDM spreads information across multiple narrowband subcarriers, the ATPL210A achieves robust communication in the presence of frequency-selective fading, impulsive noise, and impedance variation that are characteristic of low-voltage power line channels - the primary reasons OFDM was adopted by the PRIME standard for narrowband PLC. Typical applications include smart electricity meters, data concentrators in advanced metering infrastructure (AMI), street-lighting control networks, and building automation nodes where the power line is the only available communication medium. Designers should note that a complete PLC node still requires an external analog front end (AFE) - coupling network, driver and filter - between the ATPL210A and the power line, as the SoC provides the digital PHY and MAC only. Firmware development typically leverages Microchip/Atmel PRIME protocol stacks. Note that the ATPL210A-A1U-Y carries an Obsolete product status in current distributor data, so new designs should evaluate lifecycle risk and current-generation Microchip PLC parts. This page consolidates distributor stock data, datasheet references, alternative part comparisons, and sourcing guidance not found in the manufacturer datasheet alone.

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ATPL230A-AKU-Y - PRIME PLC Modem MCU 80-LQFP | Microchip
ATPL230A-AKU-Y

ATPL230A-AKU-Y - PRIME PLC Modem MCU 80-LQFP | Microchip

The Microchip Technology ATPL230A-AKU-Y is a power line communications (PLC) baseband modem microcontroller IC compliant with the PHY layer of the PRIME (Power Line Intelligent Metering Evolution) specification, delivering data rates up to 128.6 kbps, operating from a 3V to 3.6V supply, and housed in an 80-pin LQFP (14x14 mm) surface-mount package. A power line communications baseband modem is a specialized application-specific IC that transmits and receives digital data over existing AC mains or DC power lines, eliminating the need for dedicated wiring. PLC modems sit within the broader hierarchy of communication ICs, alongside RF transceivers and wired interface ICs, and are foundational building blocks of smart grid and advanced metering infrastructure (AMI). Key features of the ATPL230A include compliance with PRIME specification versions v1.3 and v1.4, an AES-128 crypto engine for secure payload encryption, and an integrated hardware accelerator and coprocessor architecture that offloads the PRIME PHY layer processing for efficient, low-latency operation. The device supports independently selectable transmission bands up to 472 kHz, covering CENELEC-A, FCC, and ARIB frequency band regulatory domains, with baud rates ranging from 5.4 kbps to 128 kbps. Technically, the ATPL230A's flexible architecture combines hardware accelerators with programmable processing, allowing the PRIME PHY layer to be implemented with high spectral efficiency and robustness against impulsive noise typical of power line channels. Host communication is provided through an SPI interface, with the modem operating as an external peripheral to a main application processor. Typical applications include smart metering, street and industrial lighting control, home automation, solar energy systems, and PHEV (plug-in hybrid electric vehicle) charging infrastructure, where the device provides reliable narrowband PLC connectivity over the mains network. A key design consideration is supply integrity: the 3V to 3.6V operating window requires a clean regulated rail, and coupling network design to the power line strongly influences PHY performance. Note also that this part is reported as obsolete by distributors, so new designs should evaluate second sourcing. This page synthesizes distributor pricing, drop-in family alternatives, and practical design guidance not consolidated in the manufacturer datasheet.

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ATPL230AG55J19-R - PRIME PLC MCU Bundle | Microchip Technology
ATPL230AG55J19-R

ATPL230AG55J19-R - PRIME PLC MCU Bundle | Microchip Technology

The Microchip Technology ATPL230AG55J19-R is an application-specific power line communications (PLC) microcontroller bundle that combines the PL230A-AKU-R PRIME PLC modem PHY chip with the SAMG55J19A ARM Cortex-M4 flash microcontroller, supplied in LQFP surface-mount packages. This bundle (CPN for PRIME PLC modules/modems) provides the complete silicon set needed to build PRIME-compliant narrowband power line communication nodes. A power line communications microcontroller bundle is a system-level product in the semiconductor hierarchy: it belongs to the application-specific microcontroller category, which nests under microcontrollers (MCU), embedded processors, and integrated circuits. Instead of forcing engineers to source a PLC PHY and a host MCU separately, the bundle guarantees a silicon pairing that has been validated together for PRIME (PoweRline Intelligent Metering Evolution) protocol deployments. Key features of this part include the PL230A-AKU-R PLC front-end PHY with integrated analog AFE for coupling to the power line, the SAMG55J19A Cortex-M4 host MCU running the PRIME MAC/protocol stack, and the convenience of a single ordering code (-R indicates tape-and-reel packaging) covering both devices. This reduces BOM complexity and qualification effort for smart metering and grid automation platforms. Architecturally, the SAMG55J19A MCU contributes ARM Cortex-M4 processing with hardware DSP instructions, while the PL230A handles OFDM modulation/demodulation and analog line driving. The split architecture offloads real-time PHY processing from the application CPU, leaving headroom for metering firmware, security, and M2M connectivity tasks. Typical applications include smart electricity meters, streetlight control (smart lighting), solar inverter communication, and advanced metering infrastructure (AMI) data concentrators on PRIME-compliant grids such as those deployed in Europe and Latin America. A key design consideration is that this bundle requires a PRIME protocol stack license and a line-coupling network (transformer, coupling capacitors) designed to the target grid standard; the silicon alone does not form a complete modem. This page synthesizes distributor pricing and stock data, drop-in alternative analysis, and application-specific design notes not found on the manufacturer product page.

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ATPL230AG55J19-Y - PRIME PLC Bundle MCU Kit | Microchip
ATPL230AG55J19-Y

ATPL230AG55J19-Y - PRIME PLC Bundle MCU Kit | Microchip

The Microchip Technology ATPL230AG55J19-Y is a Network Controller & Processor ICs bundle consisting of the PL230A-AKU-Y PRIME power line communication (PLC) modem paired with the SAMG55J19A-MU ARM-based microcontroller, supplied in an LQFP surface-mount package. This certified combination part number (CPN) provides a complete, pre-validated hardware platform for building PRIME-compliant narrowband PLC modules and modems. A power line communication modem enables data transmission over existing AC mains or utility power lines, eliminating the need for dedicated communication wiring. PRIME (PoweRline Intelligent Metering Evolution) is an open, multi-vendor narrowband PLC standard widely deployed in smart metering and AMI (Advanced Metering Infrastructure) networks across Europe, Latin America, and Asia. In the system hierarchy, this bundle spans two semiconductor categories: an application-specific PLC front-end modem and a general-purpose ARM Cortex microcontroller that hosts the PRIME protocol stack. Key features of the bundle include the PL230A PRIME-certified modem PHY with integrated analog line driver support, the SAM G55J19A microcontroller with high-performance ARM Cortex-M4-class processing for protocol execution, and pre-verified hardware compatibility between the two devices, which reduces integration risk and time-to-market. The two-die bundle approach means engineers receive factory-matched silicon whose firmware interfaces have been validated by Microchip for PRIME base node and service node operation. The ATPL230AG55J19-Y is typically used in smart electricity meters, data concentrators, street lighting control, and distribution automation equipment where PRIME-class metering connectivity over the low-voltage power line is required. The SAM G55 microcontroller side also provides peripherals such as UART/SPI/I2C and USB-class connectivity for interfacing with metering ASICs and local communication heads. For design-in, verify the LQFP footprint against the individual PL230A and SAM G55 datasheets, plan the coupling-circuit impedance for the target grid standard, and allocate code space for the PRIME stack on the MCU flash. This page synthesizes distributor pricing data, sourcing options, bundle architecture analysis, and drop-in alternative analysis not found in the manufacturer datasheet.

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ATPL250AG55J19-R - G3-PLC Modem Bundle 80-LQFP | Microchip
ATPL250AG55J19-R

ATPL250AG55J19-R - G3-PLC Modem Bundle 80-LQFP | Microchip

The Microchip Technology ATPL250AG55J19-R is a G3-PLC (Power Line Communications) modem bundle combining the ATPL250A-AKU-R PLC modem front-end with the SAM G55J19A (ATSAMG55J19A-MUT) Arm Cortex-M4 based microcontroller, delivered as a pre-configured certified pair in an 80-pin LQFP tape-and-reel package. The device targets Power Line Communications applications and is classified as an embedded, application-specific microcontroller solution. A G3-PLC modem is a specialized communications IC that transmits data over existing AC mains or DC power lines using orthogonal frequency-division multiplexing (OFDM) in the CENELEC and FCC frequency bands. Within the system hierarchy it sits at the physical and data-link layers of a smart-grid or IoT node: power line modem -> communication controller -> application-specific MCU -> embedded system. By bundling the PHY modem with an MCU, Microchip removes the integration effort of pairing a modem with a host processor. Key features of this bundle include the certified G3-PLC modem stack in the ATPL250A silicon, the 120 MHz Arm Cortex-M4 core of the SAM G55 family in the SAMG55J19A, and factory-matched firmware coupling between the two dies so that the PLC protocol engine and application firmware operate as a validated pair. The Tape & Reel (T/R) delivery format supports automated pick-and-place assembly in volume production. Technically, the ATPL250A handles analog front-end functions, line coupling, and OFDM modulation/demodulation, while the SAM G55J19A executes the G3-PLC protocol stack and the end-equipment application. The bundle is identified by Microchip CPNs for G3-PLC modules and modems, listed as Bundle PL250A-AKU-R plus SAMG55J19A-MUT, and the published datasheet dates from 2016-09-20. Typical applications include smart meters (electricity, gas, water), streetlight control networks, solar inverter monitoring, and home-area energy management gateways, all of which benefit from communicating over existing power lines without new wiring. A key design consideration is that this is a bundle, not a single die: PCB layout must accommodate both the LQFP-80 host footprint and the analog line-driver/coupling network between the ATPL250A and the power line, following Microchip reference designs for coupler impedance and isolation. This page synthesizes distributor stock listings, cross-reference comparisons (including the Octopart ATPL210A-A1U-Y comparison), bundle composition notes, and procurement guidance not consolidated in the manufacturer datasheet.

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ATPL250AG55J19-Y - PLC MCU, SAMG55J19A + PL250A | Microchip
ATPL250AG55J19-Y

ATPL250AG55J19-Y - PLC MCU, SAMG55J19A + PL250A | Microchip

The Microchip Technology ATPL250AG55J19-Y is an embedded-application-specific microcontroller that integrates the PL250A power line communication (PLC) modem with the SAMG55J19A ARM Cortex-M4 microcontroller, delivered in an LQFP package with tray packing. The device combines a high-performance ARM Cortex-M4 based MCU core with a dedicated PLC signal-processing front end, targeting power line communications applications such as smart metering and industrial control. An embedded-application-specific microcontroller is a device that augments a general-purpose MCU core with dedicated application hardware, so that a single chip can run user firmware and perform a specialized physical-layer task simultaneously. In this case the category sits within the hierarchy: embedded MCU -> ARM Cortex-M4 microcontroller -> application-specific MCU -> PLC SoC, with the PL250A block handling the proprietary PLC modulation and the SAMG55J19A handling the protocol stack and application code. Key features include the PL250A-AKU-Y PLC modem function paired with the SAMG55J19A-MU MCU, LQFP surface-mount packaging, and tray packaging format as indicated by the -Y suffix. The MCU side is based on the Atmel/Microchip SAM G55 family, which provides an ARM Cortex-M4 core with DSP and floating-point instructions, suitable for running the PLC physical-layer algorithms and application stack on one die. Technical depth: the integration of the PLC modem with the Cortex-M4 core removes the need for a separate host processor in power line communication nodes, reducing BOM count, board area, and inter-chip communication latency. The LQFP leaded package offers good solderability and simplified inspection compared with fine-pitch BGA alternatives. Typical applications include smart energy metering, street lighting control, home automation gateways, and industrial power line networks, all of which require robust communication over existing mains wiring. Design consideration: PLC designs require careful analog front-end coupling to the mains via a coupling transformer and protection network; follow the Microchip reference design for the PL250A signal path. This page synthesizes distributor inventory data, packaging information, and sourcing guidance not consolidated in the manufacturer product listing.

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