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产品（38,000+)

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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ATMXT112S-MAUR - 112-Node maXTouch Touch Controller | Microchip
ATMXT112S-MAUR

ATMXT112S-MAUR - 112-Node maXTouch Touch Controller | Microchip

The Microchip Technology ATMXT112S-MAUR is a maXTouch S-Series capacitive touchscreen controller IC with 112 mutual-capacitance sensing nodes, housed in a 32-pin UQFN (4x4 mm) package. It supports screens up to 3.5 inches and delivers smartphone-grade multi-touch performance with integrated noise mitigation for operation in noisy environments. A capacitive touch controller is a mixed-signal IC that measures tiny capacitance changes on a touch sensor grid, converts them into touch coordinates, and communicates them to a host processor. In the system hierarchy, a touchscreen controller sits between the touch sensor (ITO pattern on glass or film) and the host MCU or application processor, forming part of the human-machine interface subsystem alongside display drivers and haptic feedback devices. Key features of the ATMXT112S-MAUR include its 112-node sensing matrix for dense electrode layouts, the maXTouch S-Series architecture optimized for small displays up to 3.5 inches, and an advanced noise mitigation system that rejects interference from display drivers and chargers. The device integrates acquisition logic and post-processing, offloading touch detection from the host CPU. Technically, the maXTouch S-Series uses a proprietary acquisition engine with mutual-capacitance scanning and built-in self-calibration. Configuration data is stored on-chip in nonvolatile memory, and communication with the host uses an I2C-compatible interface. The device supports moisture and gloved-finger handling modes and provides robust reporting rates for responsive user interfaces. Typical applications include feature phone touchscreens, handheld game consoles, digital still cameras, portable GPS navigation devices, and small industrial HMI panels. Any battery-powered product with a 3.5-inch or smaller capacitive display benefits from the low-power touch wake-up and high noise immunity. Design consideration: because touch performance depends strongly on the sensor pattern and panel stack-up, use Microchip's maXTouch configuration tooling and reference sensor designs; improper grounding near display VCOM lines is the most common source of false touches. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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ATMXT1386-Z2UIR - maXTouch 1386-Node Touch Controller | Microchip
ATMXT1386-Z2UIR

ATMXT1386-Z2UIR - maXTouch 1386-Node Touch Controller | Microchip

The Microchip Technology ATMXT1386-Z2UIR is a capacitive touch screen controller from the maXTouch product platform, implementing a 1386-node multi-chip solution (4 chips) that combines charge-transfer acquisition technology with a powerful 32-bit AVR microcontroller core. It is supplied in a 64-terminal HVQCCN (LCC64) surface-mount package. A capacitive touch controller is an interface IC that measures changes in capacitance across a touch sensor grid, converts those measurements into touch coordinates, and communicates them to a host processor. Within the semiconductor hierarchy it sits under data acquisition ICs, specifically touch screen converters and controllers, and forms part of the broader human-machine interface (HMI) signal chain that includes the sensor glass, the controller IC, and the host firmware. Key differentiating features include the 1386-node acquisition capacity, which supports large-format touch panels with many simultaneous sensing channels; the multi-chip architecture that lets four devices cooperate on a single panel; and the integrated 32-bit AVR processing that performs filtering and gesture detection on-chip, reducing host CPU load. The maXTouch platform firmware can be updated in-system, enabling tuning for different glass stack-ups. The charge-transfer acquisition technique offers strong signal-to-noise performance against display noise, which is important for designs where the touch sensor is integrated into or placed close to an LCD. On-chip AVR computation allows advanced touch features such as multi-touch tracking, palm rejection, and moisture compensation depending on the configured firmware. Typical applications include industrial HMI touch panels, large-format touch screens for appliances and kiosks, medical equipment control surfaces, and embedded systems requiring robust multi-touch input on medium-to-large sensor arrays. A key design consideration is that this device has been discontinued by Microchip; the manufacturer officially recommends the ATMXT1066T2 touch controller as the alternative for new designs, so availability should be confirmed before committing to a BOM. This page synthesizes distributor listings, manufacturer product-page data, and cross-reference findings, including drop-in-replacement guidance and procurement notes not found in the manufacturer datasheet.

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ATMXT1386E-Z2U - maXTouch 1386-Node Touch Controller | Microchip
ATMXT1386E-Z2U

ATMXT1386E-Z2U - maXTouch 1386-Node Touch Controller | Microchip

The Microchip Technology ATMXT1386E-Z2U is a capacitive touchscreen controller from the maXTouch product platform, implementing a 1386-node multi-chip solution built from four chips. It combines Atmel's patented QMatrix charge-transfer capacitive sensing method with a powerful 32-bit AVR microcontroller, and supports up to 16 simultaneous touches with fast response time. A capacitive touchscreen controller is a type of sensor interface IC that measures mutual capacitance changes across a touch sensor grid, classifies and tracks finger touches, and reports coordinates to a host processor. Within the system hierarchy, it sits in the signal chain between the touch sensor (a patterned ITO or similar electrode layer on the display) and the host MCU or application processor, forming part of the broader human-machine interface (HMI) subsystem. Key features include the 1386 mutual-capacitance node count, which suits medium-to-large touch panels; the patented charge-transfer acquisition engine, which delivers high signal-to-noise measurement accuracy; and multi-touch tracking of up to 16 touches. The high-performance architecture enables fast response and unlimited-touch reporting up to the 16-touch limit, making the device suitable for demanding interactive displays. Technically, the mXT1386E uses a unique charge-transfer acquisition engine implementing the QMatrix capacitive sensing method patented by Atmel. Coupled with a state-of-the-art 32-bit AVR CPU, the entire touchscreen sensing solution can measure, classify and track finger touches with a high degree of accuracy. As a multi-chip (4-chip) solution, the family coordinates sensing across the node array within one firmware-managed platform. Typical applications include tablet and e-reader touchscreens, industrial HMI panels, and consumer electronics displays requiring robust multi-touch performance with gloved-hand and noise immunity characteristic of the maXTouch platform. Design consideration: this part is a multi-chip solution, so verify board space, mechanical stacking and firmware/configuration compatibility against the replacement controller before redesign. Note that Microchip has officially recommended the ATMXT1066T2 as the alternative touch controller for this family. This page synthesizes distributor sourcing data, the manufacturer-recommended replacement, and practical design notes not found in the manufacturer datasheet.

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ATMXT1386E-Z2UR - maXTouch 1386-Node Touch Controller | Microchip
ATMXT1386E-Z2UR

ATMXT1386E-Z2UR - maXTouch 1386-Node Touch Controller | Microchip

The Microchip Technology ATMXT1386E-Z2UR is a 1386-node capacitive touch screen controller from the maXTouch product platform, implemented as a multi-chip solution combining four chips that pair charge-transfer acquisition technology with a powerful 32-bit AVR microcontroller core. It supports up to 16 simultaneous touches with fast response, and communicates with the host processor through either an I2C-compatible interface or a USB interface, though only one interface should be used in any single design. A capacitive touch controller is an interface IC that measures changes in capacitance across a touch sensor grid, applies touch-detection and noise-immunity algorithms, and reports touch coordinates to a host MCU or application processor. Within the semiconductor hierarchy it sits under touch screen controllers, a subcategory of sensor interface ICs in the maXTouch family spanning small single-chip solutions up to large multi-chip nodes for large-format touch panels. Key differentiating features include the very high 1386-node sensor channel count, support for up to 16 concurrent touch points, self- and mutual-capacitance charge-transfer acquisition, and dual host communication options (I2C-compatible or USB). The multi-chip architecture scales acquisition bandwidth for large touch panels used in industrial HMI and commercial display designs. Technically, the ATMXT1386E integrates four chips operating as one synchronized controller, with the 32-bit AVR execution core running Microchip's maXTouch firmware for touch detection, palm rejection, and noise filtering. Configuration is typically loaded into EEPROM/flash by the host at power-up, allowing tuning of sensitivity and gesture behavior without firmware changes. Typical applications include large-format industrial touch monitors, commercial kiosks and point-of-information terminals, and multi-touch human-machine interfaces where many sensor nodes and reliable multi-touch detection are required. A key design consideration is that Microchip has flagged this product for end-of-life: the manufacturer-recommended alternative touch controller is the ATMXT1066T2, so new designs should target that device while the ATMXT1386E family remains available for last-time-buy and service inventory. This page synthesizes distributor sourcing, the manufacturer-recommended successor, and practical design guidance not found in the standard datasheet listing.

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ATMXT1386XES-CHPSET2 - 1386-Node maXTouch Touch IC | Microchip
ATMXT1386XES-CHPSET2

ATMXT1386XES-CHPSET2 - 1386-Node maXTouch Touch IC | Microchip

The Microchip Technology ATMXT1386XES-CHPSET2 is a 1386-node capacitive touch screen sensor IC solution from the maXTouch product platform, supplied as a multi-chip set of 4 chips. By combining charge-transfer touch sensing technology with a powerful 32-bit AVR microcontroller core, this device delivers large-format projected-capacitive touch detection with Microchip's maXTouch signal-processing algorithms. A capacitive touch controller is a specialized mixed-signal IC that scans a matrix of mutual-capacitance nodes on a touch sensor panel, converts capacitance changes into digital coordinates, and reports touch positions to a host processor over a digital interface. In the product taxonomy, this device belongs to Interface ICs > capacitive touch sensors, which sits within the broader families of human-interface devices, sensor interfaces, and mixed-signal integrated circuits. Key characteristics of the ATMXT1386 family include the 1386-node sensing capacity, an on-chip 32-bit AVR processing core for autonomous touch acquisition, and maXTouch filtering that supports gloved operation, passive stylus, and water-rejection behavior typical of the platform. The XES-CHPSET2 ordering code denotes a chip-set (multi-chip) configuration rather than a single monolithic die, which system designers must account for in PCB partitioning. Technically, the charge-transfer acquisition engine periodically drives and senses the electrode matrix, while the embedded AVR firmware applies noise filtering, baseline tracking, and touch classification. This architecture offloads all touch processing from the host, requiring only configuration data and touch reports over the communication interface. Typical applications include large-format touchscreen displays for industrial human-machine interfaces (HMI), point-of-information kiosks, and other commercial touch systems that previously used this high-node-count controller. A key design consideration: Microchip lists the ATMXT1066T2 as the recommended alternative touch controller for the ATMXT1386, since this multi-chip solution is obsolete and no longer recommended for new designs. This page synthesizes distributor availability data, the manufacturer's recommended migration path, and drop-in alternative analysis not found on the Microchip product page alone.

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ATMXT1664S1-CU - maXTouch Touchscreen Controller IC | Microchip Technology
ATMXT1664S1-CU

ATMXT1664S1-CU - maXTouch Touchscreen Controller IC | Microchip Technology

The Microchip Technology ATMXT1664S1-CU is a maXTouch capacitive touchscreen controller IC from the maXTouch S-series family, supporting 1664 mutual-capacitance sensing nodes for projected-capacitive touch screens, supplied in a compact surface-mount package with RoHS3-compliant construction. According to distributor listings including DigiKey and Octopart, the device is classified as a Touch Screen Controller (IC SENSOR MAXTOUCH). A capacitive touchscreen controller measures mutual capacitance across a matrix of transmit and receive electrodes on the touch sensor. When a finger or passive stylus approaches the intersection of electrodes, local capacitance changes; the controller scans the matrix, converts the capacitance deltas to touch coordinates, applies gesture and noise filtering, and reports touch data to a host processor over an interface such as I2C or SPI. Touchscreen controllers sit within the broader hierarchy of sensor interface ICs and human-machine interface (HMI) semiconductors. The maXTouch S-series architecture integrates a high-performance acquisition engine with differential charge amplifiers, a configurable scan sequencer, and an embedded MCU core executing Microchip-supplied object-based firmware. Self- and mutual-capacitance fusion enables gloved-hand operation and water rejection, while frequency-hopping acquisition combats charger and display noise - a critical requirement for thin bezel tablets, POS terminals, and automotive HMI panels. Technical strengths of the family include high node counts supporting large-format touch panels, the maXTouch object model allowing configuration of key timings and thresholds via I2C registers, and mature firmware tooling through Microchip's maXTouch studio ecosystem. The S1 model designation reflects the firmware/feature configuration of the 1664-node silicon. Typical applications include 7-inch to 13-inch capacitive touchscreens in tablets, human-machine interfaces for white goods and appliances, point-of-sale and ticketing terminals, smart-home wall panels, and industrial operator panels where multi-touch and robust noise immunity are required. When designing with this controller, allocate a clean low-noise analog supply for the sensing core and route the sensor flex connector away from switching regulators; charger-mode noise often dominates real-world touch performance and must be verified with the intended display and charger pair. This page synthesizes distributor sourcing data, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet, with pricing as of 2026-09-19.

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ATMXT1664S1-CUR - maXTouch 1664-Channel Touch Controller | Microchip
ATMXT1664S1-CUR

ATMXT1664S1-CUR - maXTouch 1664-Channel Touch Controller | Microchip

The Microchip Technology ATMXT1664S1-CUR is a maXTouch S Series capacitive touchscreen controller with 1664 mutual-sense channels, built on a 32-bit AVR microcontroller architecture, supplied in a reflow-capable surface-mount package for large-format touchscreen devices. A capacitive touch screen controller is an interface IC that measures capacitance changes across a grid of sensor electrodes to detect finger and stylus positions. Within the system hierarchy, it sits between the raw touch sensor (ITO pattern on glass or film) and the host application processor, converting analog charge-transfer measurements into touch coordinates over a digital interface. The maXTouch family from Microchip (originally Atmel) is a widely adopted line of such controllers used from wearables to large interactive displays. The ATMXT1664S1 belongs to the S Series, which brings the maXTouch architecture to large touchscreen devices. Its 1664 sensing channels support high electrode counts typical of large-format panels, while the integrated 32-bit AVR core performs on-chip acquisition, filtering, and gesture processing, offloading the host processor. Multiple S Series devices can operate simultaneously to drive very large screens, a scalability feature documented by Microchip for this family. The suffix structure of the part number encodes ordering options such as temperature grade and packaging (-CUR indicates a reflow-eligible, RoHS-grade ordering variant per Microchip nomenclature). As with all maXTouch parts, configuration of sensitivity, report rate, and multi-touch behavior is performed via firmware objects downloaded to the controller, allowing one PCB design to be tuned for different sensor stacks. Typical applications include large interactive displays, industrial HMI panels, point-of-information kiosks, and premium consumer touch devices where high channel count and robust noise immunity near displays or chargers are required. A key design consideration is that maXTouch controllers require a configuration file matched to the specific sensor pattern and stack-up; mismatched configurations degrade linearity and report rate. Verify communication with the host over the I2C-compatible interface during bring-up. This page synthesizes distributor availability, Microchip product data, and the manufacturer-recommended replacement ATMXT1664T3 into one reference, adding drop-in alternative guidance and design notes not found in the datasheet alone.

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ATMXT224S-CCUR - 224-Node Touchscreen Controller | Microchip
ATMXT224S-CCUR

ATMXT224S-CCUR - 224-Node Touchscreen Controller | Microchip

The Microchip Technology ATMXT224S-CCUR is a capacitive touch screen controller IC from the maXTouch S-series family, featuring 224 mutual-capacitance sensing nodes and support for 1.5 mm passive stylus operation. It is supplied in a surface-mount package (per manufacturer product page; package variant code CCUR) and is designed for high-performance smartphone and tablet touchscreen applications. A capacitive touch screen controller is an integrated circuit that scans a grid of electrodes embedded in a touch panel, measures mutual capacitance changes caused by finger or stylus contact, and applies proprietary algorithms to convert raw signals into accurate touch coordinates. Within the signal-chain hierarchy, the touch controller sits between the touch sensor (passive ITO electrode matrix) and the host application processor, communicating touch data over an I2C or SPI interface. Key features of the ATMXT224S include 224 sensing nodes supporting touch panels up to roughly 8-9 inches, Microchip's patented capacitive touch technology, and passive stylus support at 1.5 mm tip width. These capabilities enable slim bezels, accurate handwriting input, and multi-touch performance required by premium mobile devices. Technically, the maXTouch S-series integrates a dedicated touch-processing engine with Microchip's noise-suppression algorithms, providing immunity against charger and display noise - a critical requirement as displays and charging circuits inject common-mode interference into touch panels. Typical applications include smartphones, tablet touch panels, portable media players, and industrial human-machine interfaces (HMI) that require multi-touch and stylus input. Important design consideration: Microchip's official product page for ATmXT224S states that the recommended alternative touch controller is the ATMXT336U, and the mXT224S is being superseded; new designs should evaluate the successor family. Firmware/configuration data is programmed into the maXTouch controller at production, so design-in requires Microchip's maXTouch development tools. This page synthesizes verified distributor pricing, lifecycle status, and alternative controller guidance not consolidated in the manufacturer datasheet.

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ATMXT2952T2-C2U - maXTouch Touch Controller | Microchip
ATMXT2952T2-C2U

ATMXT2952T2-C2U - maXTouch Touch Controller | Microchip

The Microchip Technology ATMXT2952T2-C2U is a maXTouch capacitive touchscreen controller IC from the mXT2952T2 family, supporting up to 2952 touch channels and display sizes up to 21 inches, aimed primarily at industrial designs and housed in a BGA package. A capacitive touchscreen controller is a mixed-signal IC that measures mutual-capacitance changes across a touch sensor grid, converts the raw charge-transfer measurements into touch coordinates and gesture information, and reports them to a host processor over a digital interface. In the system hierarchy, it sits within the human-interface / data acquisition domain: touchscreen controller -> capacitive touch sensor IC -> sensor interface IC -> mixed-signal semiconductor. Key features of the ATMXT2952T2 family include Microchip's Adaptive Sensing technology, which automatically and intelligently switches between touch operating modes based on the detected object or environment, dynamic touch classification for finger, glove, stylus, and water rejection scenarios, and a debug port for tuning (per Microchip application note QTAN0050 'Using the maXTouch Debug Port'). The device supports I2C host communication; in I2C mode the pull-up resistor on the DBG_SS/GPIO0 shared ball is optional and present only if the ball is used as DBG_SS. The architecture pairs a charge-transfer analog front end with on-chip processing that performs self- and mutual-capacitance scanning, noise filtering, and touch classification. Adaptive Sensing allows the same controller to deliver reliable touch performance on thick cover lenses, in wet conditions, and under EMI conditions typical of industrial panels. Typical applications include industrial HMI touch panels up to 21 inches, factory automation displays, medical equipment screens, and commercial kiosk or point-of-information terminals where gloved-hand and water rejection are required. A key design consideration is the shared DBG_SS/GPIO0 ball: only one of these two functions can be selected, and the circuit must be designed accordingly; consult the manufacturer datasheet and QTAN0050 before finalizing the sensor flex pin mapping. Note that Microchip identifies ATMXT2952TD as the recommended alternative touch controller for the ATMXT2952T2, which is relevant for new designs and long-term supply planning. This page synthesizes distributor availability, the recommended replacement, and design guidance not consolidated in the manufacturer datasheet.

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ATMXT336S-MAUR - 336-Node Touchscreen Controller IC | Microchip
ATMXT336S-MAUR

ATMXT336S-MAUR - 336-Node Touchscreen Controller IC | Microchip

The Microchip Technology ATMXT336S-MAUR is a maXTouch 336-node mutual-capacitance touchscreen controller IC designed for high-performance smartphones and mobile devices, delivered in a reel-packaged surface-mount package (MAU suffix). A capacitive touchscreen controller is a mixed-signal IC that drives and senses a grid of mutual-capacitance nodes on a touch panel, converts raw capacitance changes into digitized touch coordinates, and reports gesture data to a host processor. Within the power management and human-interface hierarchy, it sits between the passive touch panel and the application processor, forming part of the sensor and interface IC layer of a mobile system. Key features include 336 mutual-capacitance sensing nodes, support for 2.0 mm passive stylus input, moisture robustness for wet-finger tracking, and superior electrical noise immunity for operation in hostile AC-charger and display-noise environments, according to the Microchip product page. The maXTouch architecture uses patented capacitive touch acquisition technology with on-chip signal processing, enabling high signal-to-noise ratio touch reporting at high report rates. This makes the mXT336S well suited to dense sensor patterns on thin phone form factors where water rejection and stylus resolution are critical differentiators. Typical applications include premium smartphone touchscreens, small-to-medium tablet and phablet panels, and portable consumer devices requiring passive stylus support and wet-hand operation. When designing with the mXT336S, confirm panel node count and pin mapping against the maXTouch family configuration, and note that Microchip officially recommends the ATMXT336U as the alternative touch controller for this part. This page synthesizes verified distributor pricing, the Microchip-recommended alternative, drop-in family options, and practical sourcing guidance not consolidated in the manufacturer datasheet alone.

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ATMXT768E-ABR - maXTouch Touchscreen Controller | Microchip
ATMXT768E-ABR

ATMXT768E-ABR - maXTouch Touchscreen Controller | Microchip

The Microchip Technology ATMXT768E-ABR is a maXTouch mXT768E-AT mutual-capacitance touchscreen controller IC designed for projected-capacitive touchscreens of up to 10.1-inch diagonal or even larger. It belongs to Microchip's maXTouch family of capacitive touch controllers and integrates signal-acquisition, touch-decision, and host-interface functions in a single device. A projected-capacitive (PCAP) touchscreen controller is a specialized mixed-signal IC that drives excitation signals across rows and columns of a transparent ITO sensor grid and measures mutual capacitance changes at each intersection. Within the system hierarchy, it sits between the raw touch sensor laminate and the host processor, delivering pre-processed touch coordinates over a digital interface. This class of device is fundamental to modern human-machine interface (HMI) design in industrial, medical, and consumer equipment. Key characteristics of the mXT768E-AT include high responsiveness for large-format screens, support for multi-touch reporting, and Microchip's maXTouch object-based reporting architecture in which touch data is conveyed as structured objects over an I2C or SPI-compatible host interface. The device is firmware-configurable, allowing tuning of sensitivity, rejection thresholds, and gesture behavior to match specific sensor stacks. The ATMXT768E-ABR was originally targeted at tablets, industrial HMI panels, point-of-sale terminals, and medical monitors in the 7-inch to 10.1-inch class. Note that Microchip's product page indicates this part is no longer recommended for new designs and recommends the ATMXT1189TD-A as the alternative touch controller for new development. Design consideration: because the mXT768E-AT is in end-of-life transition, new designs should evaluate the ATMXT1189TD-A and verify firmware migration effort, sensor-stack compatibility, and pin mapping before committing to a layout. This page synthesizes distributor availability, cross-reference data, lifecycle status, and practical design notes not found in the manufacturer datasheet alone, helping engineers make a supply-risk-aware selection decision.

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ATMXTS100-CU - maXStylus Active Stylus ASIC | Microchip
ATMXTS100-CU

ATMXTS100-CU - maXStylus Active Stylus ASIC | Microchip

The Microchip Technology ATMXTS100-CU is a maXStylus Gen I active stylus ASIC designed for capacitive touch sensing systems, classified under Interface - Sensor, Capacitive Touch ICs and belonging to the maXTouch product series from Microchip Technology. The device ships in tape-and-reel packaging with a standard package quantity of 6,000 units per reel, and the part status is listed as Active per distributor and manufacturer data. An active stylus controller IC is a specialized mixed-signal device that implements the transmit and signal-processing functions of an active pen system, enabling a battery-powered stylus to communicate position, pressure, and hover information with a capacitive touchscreen that is driven by a companion maXTouch touch controller. Within the system hierarchy, this device sits alongside touch sensors and touch screen controllers inside the human-interface input subsystem of tablets, e-readers, signature pads, and other pen-enabled displays. Key characteristics identified from verified distributor data include the maXStylus Gen I generation designation, maXTouch series membership, capacitive touch interface classification, and active lifecycle status. This positions the ATMXTS100-CU within Microchip's established maXTouch ecosystem, which is widely deployed in commercial and industrial touchscreen designs. Architecturally, active stylus ASICs coordinate the stylus-tip signal generation and timing with the host touchscreen controller so that palm rejection, hover detection, and fine-line pen input can be achieved on standard mutual-capacitance panels. Designers typically pair the stylus ASIC with a maXTouch touchscreen controller on the host side to form a complete pen-and-touch subsystem. Typical applications include active pen input for tablets and 2-in-1 computing devices, digital signature capture terminals, and industrial touch panels requiring stylus precision. In each case the ASIC provides the dedicated stylus-side signal chain that a general-purpose MCU would struggle to replicate with equivalent latency and power efficiency. A key design consideration is that per available cross-reference information this device is generally not pin-compatible with capacitive touch sensors from competing vendors, so second-sourcing requires careful I/O voltage and interface evaluation. This page synthesizes distributor pricing channels, verified lifecycle data, and practical design notes not consolidated in the manufacturer datasheet.

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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-R - PRIME PLC Modem 128.6Kbps | Microchip
ATPL230A-AKU-R

ATPL230A-AKU-R - PRIME PLC Modem 128.6Kbps | Microchip

The Microchip Technology ATPL230A-AKU-R is a PRIME-compliant power line communications (PLC) base band modem IC delivering data rates up to 128.6 kbps from a 3.3 V supply in an 80-pin LQFP (12x12 mm) package. It integrates an AES-128 crypto engine, operates from -40C to +85C, and supports CENELEC-A, FCC, and ARIB frequency bands. A power line communications modem is a specialized embedded device that transmits data over existing AC mains or DC power distribution wiring, eliminating the need for dedicated communication cabling. In the system hierarchy, the ATPL230A belongs to the class of application-specific microcontrollers and communication transceivers, bridging the gap between a host MCU and the physical power-line medium via an analog front end and coupling network. Key features include full compliance with the PHY layer of the PRIME (PRoducts for Intelligent Metering Evolution) specification v1.3 and v1.4, independently selectable transmission bands up to 472 kHz, and baud rates ranging from 5.4 kbps to 128.6 kbps. Additional robust modes and frequency band extension improve link reliability in noisy grid environments, while the hardware AES-128 engine secures metering data without burdening the host processor. The ATPL230A uses a flexible architecture composed of hardware accelerators and co-processors, enabling a highly efficient PRIME PHY implementation. An SPI interface connects the modem to an external host microcontroller, which handles PRIME MAC/CON layers and application logic. This partitioning allows firmware upgrades on the host without touching the certified PHY layer. Typical applications include smart metering (electricity, gas, water), smart grid street lighting control, solar inverter communication, and building automation over mains wiring. The industrial temperature grade of -40C to +85C supports outdoor and cabinet-mounted metering equipment. When designing with this device, budget the analog front end (line driver, coupling transformer, and filters) carefully, as PHY performance in CENELEC-A, FCC, and ARIB bands depends strongly on the external network; Microchip reference designs should be followed for coupling circuitry. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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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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