Mga Microcontroller

Mga Produkto (19,000+)

AT90USB646-MUR - 16MHz USB AVR MCU 64-QFN | Microchip (Tape & Reel)
AT90USB646-MUR

AT90USB646-MUR - 16MHz USB AVR MCU 64-QFN | Microchip (Tape & Reel)

The Microchip Technology AT90USB646-MUR is an 8-bit AVR RISC microcontroller with a 16 MHz clock, 64 KB of ISP flash memory, 2 KB EEPROM, 4 KB SRAM, and integrated USB 2.0 low-speed and full-speed device support, all housed in a 64-QFN 9 x 9 mm package. The device combines 48 general-purpose I/O lines, 32 working registers, four timer/counter resources with compare and PWM modes, a USART, and a byte-oriented two-wire serial interface. A microcontroller is a programmable semiconductor that integrates a processor core, nonvolatile program memory, data memory, and peripherals into one compact device. The AVR family belongs to the embedded-controller hierarchy: general-purpose MCU, embedded controller, processor, and semiconductor. AT90USB646-MUR targets systems that need local control logic combined directly with USB connectivity, avoiding a separate USB interface controller when the firmware and host software support the AVR platform. Verified product information identifies read-while-write ISP flash, 2 KB EEPROM, 4 KB SRAM, 48 I/O lines, 32 general-purpose working registers, a real-time counter, four flexible timer/counters, PWM, USART, and a byte-oriented two-wire serial interface. Its integrated USB controller supports low-speed and full-speed USB 2.0 operation. These resources make the MCU suitable for compact USB-connected control, data-acquisition, human-interface, bootloader, and embedded peripheral products. The 16 MHz operating frequency provides the timing basis for the AVR core, while the 64 KB flash region stores firmware and 4 KB SRAM supports runtime data. Compared with a larger AVR controller, the AT90USB646 remains resource-focused, yet its 48 I/O lines and USB integration offer substantial peripheral connectivity. Designers must also account for the exposed-pad package, USB signal routing, decoupling, clock stability, and programming requirements. Typical implementations include USB HID controllers, DFU-capable embedded products, USB-to-serial equipment, data loggers, keyboard and control-panel firmware, and small industrial or instrumentation modules. It is particularly useful when a compact, single-chip design needs both deterministic embedded processing and USB device connectivity. PCB implementation requires a 64-QFN land pattern, adequate thermal copper, and short USB differential routing. The supplied data does not provide detailed operating-voltage limits, pin names, or thermal limits, so those values must be checked against the official manufacturer documentation before release to production. This page consolidates the verified manufacturer and distributor information, clarifies the controller's core resources, and identifies practical selection considerations. Pricing and stock are intentionally not inferred because exact commercial values were not supplied; compare authorized distributor quotations and the official product page before procurement.

RFQ Kontak
AT90USB647-AU - 16MHz AVR USB Microcontroller | Microchip
AT90USB647-AU

AT90USB647-AU - 16MHz AVR USB Microcontroller | Microchip

The Microchip AT90USB647-AU is an 8-bit AVR RISC microcontroller with a 16 MHz clock, 64 KB of flash memory, 4 KB of SRAM, and 2 KB of EEPROM in a 64-TQFP package. It integrates USB 2.0 low-speed and full-speed On-The-Go connectivity, 48 general-purpose I/O lines, 32 working registers, USART, a byte-oriented 2-wire serial interface, timers with PWM support, and a real-time counter. A microcontroller is a programmable semiconductor that integrates a CPU core, memory, and peripherals into one device. The AT90USB647 belongs to the AVR 8-bit microcontroller family and is designed for embedded USB control, human-interface devices, data acquisition, and industrial peripheral applications. Its USB On-The-Go support can simplify device-to-device connectivity while reducing the need for separate USB interface hardware. The verified product information identifies 64 KB of ISP flash memory with read-while-write capability, 2 KB of EEPROM, 4 KB of SRAM, and 48 general-purpose I/O lines. The 16 MHz operating frequency supports responsive control-loop and USB firmware execution, while the 3.3 V and 5 V supply description identifies compatibility with common embedded system rails. The part is available in a 64-pin TQFP package and tray packaging according to the supplied distributor data. The AT90USB647-AU architecture is based on Microchip’s enhanced AVR RISC core and includes four flexible timer/counters with compare modes and PWM, USART, byte-oriented 2-wire serial interface, USB 2.0 low-speed/full-speed On-The-Go, and a real-time counter. These peripherals allow firmware to manage USB data, serial communications, timing events, motor or LED control, and sensor acquisition without requiring several discrete support devices. Typical applications include USB keyboards and mice, HID-class human-interface equipment, USB-to-serial adapters, data loggers, embedded instrumentation, and USB-connected industrial control modules. The large memory footprint is useful for bootloader code, protocol stacks, configuration data, and application firmware, while the broad I/O count supports multiple external peripherals on a single board. When designing around the AT90USB647-AU, confirm the USB connector, transceiver integration, power-supply sequencing, clock implementation, and decoupling requirements against the manufacturer datasheet. Use the specified 64-TQFP footprint and verify all 64 pin assignments before layout. USB signal routing and cable or connector behavior also require board-level validation. This page combines the verified Microchip product description, distributor specifications, package data, source links, and application guidance to support engineering selection and sourcing of the AT90USB647-AU.

RFQ Kontak
AT90USB647-AUR - 16MHz 64KB USB AVR MCU | Microchip
AT90USB647-AUR

AT90USB647-AUR - 16MHz 64KB USB AVR MCU | Microchip

The Microchip Technology AT90USB647-AUR is an 8-bit AVR RISC microcontroller with USB 2.0 device support, 64KB of ISP flash memory, 2KB EEPROM, 4KB SRAM, and 48 general-purpose I/O lines. It operates at up to 16MHz and is packaged in a 64-pin TQFP (14x14 mm) tape-and-reel option. Its integrated USB controller supports low-speed and full-speed operation, while the AVR core provides a compact platform for USB-connected control, data acquisition, human-interface, and embedded peripheral designs. A microcontroller is an integrated computing device containing a processor core, nonvolatile program memory, working memory, and dedicated peripherals. The AT90USB647 belongs to the hierarchy of AVR 8-bit RISC microcontrollers, embedded microcontrollers, and general-purpose semiconductor integrated circuits. Its USB connectivity, moderate memory capacity, and 48 I/O pins make it suitable for systems that need local control without the cost or complexity of a higher-bit-width processor. Key device features include 64KB of flash with read-while-write capability, 2KB EEPROM, 4KB SRAM, 48 I/O lines, 32 general-purpose working registers, and four flexible timer/counter blocks with compare and PWM modes. The device also includes USART, byte-oriented two-wire serial interface, and USB 2.0 low-speed and full-speed On-The-Go support. These resources consolidate several control and communication tasks into one device. The AT90USB647-AUR combines a 16MHz AVR architecture with dedicated USB connectivity, allowing firmware to enumerate as a USB peripheral while using timers for timing, PWM for actuator control, and serial interfaces for sensors or external modules. Its 48 I/O lines provide substantial board-level connectivity for indicators, buttons, relays, displays, and data-capture circuits. The 2KB EEPROM supports nonvolatile parameter storage, while the 4KB SRAM provides working memory for protocol handling and control state. Typical applications include USB bootloaders, USB-to-serial bridges, industrial control modules, USB-connected instrumentation, human-interface devices, and embedded accessory controllers. The manufacturer product page also identifies MPLAB Snap and ICSP connectivity, supporting programming and debugging workflows. The 64-pin TQFP footprint offers a conventional leaded surface-mount package for prototype and production assemblies where a higher pin-count analog or mixed-signal interface is useful. When designing around this MCU, confirm the USB operating mode, clocking arrangement, power requirements, and every exposed-pin function against the manufacturer datasheet before layout. Route USB D+ and D- as a controlled-impedance differential pair, keep the interface away from noisy switching nodes, and provide the decoupling and crystal or clock circuitry recommended by the application reference design. Firmware should also use the USB descriptors and device identifiers appropriate to the finished product. This page consolidates verified manufacturer and distributor specifications, practical USB design guidance, same-family comparisons, and sourcing information. It adds engineering context around memory, connectivity, programming, and package reuse without replacing the complete manufacturer datasheet for production design release.

RFQ Kontak
AT90USB647-MU 16MHz 64KB USB MCU | Microchip Technology
AT90USB647-MU

AT90USB647-MU 16MHz 64KB USB MCU | Microchip Technology

The Microchip Technology AT90USB647-MU is an 8-bit AVR RISC microcontroller with USB 2.0 device support, 64KB of ISP flash memory, 2KB of EEPROM, 4KB of SRAM, and 48 general-purpose I/O lines. It operates at up to 16MHz and is supplied in a 64-pin VFQFN package with an exposed pad. The device combines an AVR microcontroller, USB connectivity, serial interfaces, timers, and modular peripherals in one integrated package. A microcontroller is a programmable semiconductor that executes firmware, coordinates digital peripherals, and provides the central control logic for embedded products. The AT90USB series belongs to the AVR family of low-power 8-bit RISC devices. In a USB-enabled product, the controller can manage host-to-device data transfer, firmware updates, configuration handling, and application-specific control functions without requiring a separate USB interface controller. The verified feature set includes 64KB of flash with read-while-write capability, 2KB of EEPROM, 4KB of SRAM, and 32 general-purpose working registers. The device provides USB 2.0 low-speed and full-speed On-The-Go support, a USART, a byte-oriented 2-wire serial interface, a real-time counter, and four flexible timer/counters with compare modes and PWM. These resources support USB peripherals, human-interface devices, data acquisition, industrial control, communication bridges, and embedded USB test equipment. The 64-pin package leaves substantial I/O capacity for USB data, programming, debugging, serial communication, timers, and application signals. The exposed pad is intended for thermal management, but actual power dissipation and layout requirements depend on clock rate, I/O activity, supply voltage, ambient temperature, and PCB construction. The supplied data confirms industrial-temperature ordering information through the AT90USB647-MU listing, while detailed operating-temperature limits should be confirmed in the manufacturer datasheet. Typical designs place the microcontroller beside USB protection, clock circuitry, decoupling capacitors, programming access, and application-specific sensors or transceivers. Designers should preserve the exposed-pad land pattern, route USB differential signals with controlled impedance, keep high-current paths compact, and validate firmware compatibility before production release. AT90USB647-MU is a tray-packaged ordering option; the exact exposed-pad dimensions and complete pin map are not fully included in the supplied source snippets. This product page combines the verified Microchip feature summary, distributor package information, and application-oriented design guidance. Pricing and lead time vary by supplier, so procurement should be confirmed against current distributor listings as of 2026-10-23. The data also identifies AT90USB647-MUR as a closely related reel-packaging designation, but packaging form alone is not treated here as a separate drop-in alternative.

RFQ Kontak
AT90USB647-MUR 16MHz 64KB USB MCU | Microchip Technology (Tape & Reel)
AT90USB647-MUR

AT90USB647-MUR 16MHz 64KB USB MCU | Microchip Technology (Tape & Reel)

The Microchip Technology AT90USB647-MUR is an 8-bit AVR RISC microcontroller with USB 2.0 device support, 64KB of ISP flash memory, 2KB of EEPROM, 4KB of SRAM, and 48 general-purpose I/O lines. It operates at up to 16MHz and is supplied in a 64-pin VFQFN package with an exposed pad. The device combines an AVR microcontroller, USB connectivity, serial interfaces, timers, and modular peripherals in one integrated package. A microcontroller is a programmable semiconductor that executes firmware, coordinates digital peripherals, and provides the central control logic for embedded products. The AT90USB series belongs to the AVR family of low-power 8-bit RISC devices. In a USB-enabled product, the controller can manage host-to-device data transfer, firmware updates, configuration handling, and application-specific control functions without requiring a separate USB interface controller. The verified feature set includes 64KB of flash with read-while-write capability, 2KB of EEPROM, 4KB of SRAM, and 32 general-purpose working registers. The device provides USB 2.0 low-speed and full-speed On-The-Go support, a USART, a byte-oriented 2-wire serial interface, a real-time counter, and four flexible timer/counters with compare modes and PWM. These resources support USB peripherals, human-interface devices, data acquisition, industrial control, communication bridges, and embedded USB test equipment. The 64-pin package leaves substantial I/O capacity for USB data, programming, debugging, serial communication, timers, and application signals. The exposed pad is intended for thermal management, but actual power dissipation and layout requirements depend on clock rate, I/O activity, supply voltage, ambient temperature, and PCB construction. The supplied data confirms industrial-temperature ordering information through the AT90USB647-MUR listing, while detailed operating-temperature limits should be confirmed in the manufacturer datasheet. Typical designs place the microcontroller beside USB protection, clock circuitry, decoupling capacitors, programming access, and application-specific sensors or transceivers. Designers should preserve the exposed-pad land pattern, route USB differential signals with controlled impedance, keep high-current paths compact, and validate firmware compatibility before production release. AT90USB647-MUR is a tray-packaged ordering option; the exact exposed-pad dimensions and complete pin map are not fully included in the supplied source snippets. This product page combines the verified Microchip feature summary, distributor package information, and application-oriented design guidance. Pricing and lead time vary by supplier, so procurement should be confirmed against current distributor listings as of 2026-10-23. The data also identifies AT90USB647-MURR as a closely related reel-packaging designation, but packaging form alone is not treated here as a separate drop-in alternative.

RFQ Kontak
AT90USB82-16MU - 16MHz USB AVR MCU | Microchip
AT90USB82-16MU

AT90USB82-16MU - 16MHz USB AVR MCU | Microchip

The Microchip Technology AT90USB82-16MU is an 8-bit AVR RISC microcontroller with a 16 MHz clock, 8 KB of self-programming ISP flash memory, 512 bytes of SRAM, 512 bytes of EEPROM, and USB connectivity in a 32-pin VQFN package measuring 5 mm by 5 mm. The -16MU suffix identifies the 16 MHz grade, while the M suffix denotes the surface-mount package configuration. An 8-bit microcontroller is a compact embedded-processing device that executes instructions from a program memory and interacts with external hardware through general-purpose I/O pins. The AT90USB82 belongs to the AVR family and the broader AT90USB product group, combining a RISC architecture, USB device connectivity, and read-while-write flash in a single device. This combination makes it suitable for USB-connected peripheral, human-interface, and firmware-update applications. According to the Microchip product page, the device provides 22 general-purpose I/O lines, 32 general-purpose working registers, and two flexible timer/counter blocks with compare and PWM capabilities. It supports 135 instructions, with most instructions completing within a single clock cycle, and can execute up to 16 million instructions per second at 16 MHz. Its operating voltage range of 2.7 V to 5.5 V supports both 3.3 V and 5 V system designs. Program development is supported through 8 KB of ISP flash with read-while-write capability, 512 bytes of EEPROM for nonvolatile data, 512 bytes of SRAM, and an on-chip DebugWire interface. USB firmware can use the device's DFU bootloader capability, while the AVR architecture and DebugWire interface support in-circuit debugging. Detailed peripheral pin assignments are not included in the supplied source data. Typical uses include low-speed USB adapters, keyboard and mouse controllers, HID peripherals, industrial interface modules, and USB-connected embedded accessories. The 5 V by 5 mm VQFN package minimizes board area, but its exposed-pad construction requires careful PCB thermal design and a suitable copper landing area. When designing the layout, place the USB transceiver and its supporting components near the package, maintain the required impedance-controlled USB traces, and provide stable decoupling at each supply pin. Because this is a fine-pitch VQFN, verify pad dimensions, paste stencil apertures, solder mask clearance, and the exposed-pad paste pattern against the manufacturer footprint before releasing artwork. This page consolidates distributor availability, verified device specifications, package information, and practical engineering guidance. It also identifies the scarcity of confirmed pin-to-pin replacements, helping designers distinguish true drop-in alternatives from related AVR devices that require schematic, firmware, or PCB changes.

RFQ Kontak
AT91FR4042-CI - ARM7 75MHz MCU 512KB Flash 121-BGA | Microchip
AT91FR4042-CI

AT91FR4042-CI - ARM7 75MHz MCU 512KB Flash 121-BGA | Microchip

The Microchip Technology AT91FR4042-CI is an ARM7TDMI-based 16/32-bit RISC microcontroller integrating 512 KB of on-chip Flash and 256 KB of on-chip SRAM in a 121-ball BGA (10x10 mm) package. It operates at up to 75 MHz and targets embedded applications that need an external bus interface alongside high-density on-chip memory. An ARM7TDMI microcontroller is a 32-bit RISC processor core licensed by Arm Ltd., combining a 32-bit data path with the 16-bit Thumb instruction set to balance performance and code density. Devices in this family are widely used as general-purpose embedded controllers because they pair deterministic interrupt handling with mature tool support (GCC, IAR, Keil). The AT91 sub-line from Microchip/Atmel extends the core with peripheral blocks such as USARTs, timers, and an external bus interface, placing it in the broader category of embedded microcontrollers -> microprocessors -> semiconductors. Key features of the AT91FR4042-CI include 512 KB (4 Mbits) of reprogrammable program storage, 256 KB (2 Mbits) of SRAM, an external bus interface for off-chip memory or peripherals, two USARTs, a 3-channel timer/counter, a watchdog timer, embedded ICE (in-circuit emulation) debug, and advanced power-saving modes. The combination of large on-chip memory and an external bus removes the need for external SRAM or Flash in many designs, reducing board complexity and BOM cost. The device is fabricated on a low-power CMOS process and runs from a 1.8 V core supply, with separate I/O domain rails. Its MIPS/Watt figure is competitive for the era and the architecture remains popular for legacy industrial and POS designs that need deterministic real-time performance. The embedded ICE block provides non-intrusive debug and Flash programming without external hardware beyond a standard JTAG probe. Typical applications include industrial control, point-of-sale terminals, secure access controllers, HMI panels, and other embedded designs that require 32-bit performance with rich on-chip memory. The 121-BGA package makes it suitable for compact, high-density boards. When designing with the AT91FR4042-CI, ensure the core supply is decoupled with low-ESR ceramic capacitors placed as close as possible to the power balls. The external bus interface requires careful impedance-controlled routing to avoid signal integrity issues at higher bus speeds. This page synthesizes distributor stock, replacement alternatives, and practical design notes not found in the standalone manufacturer datasheet.

RFQ Kontak
AT91RM9200-CJ-002 - ARM920T MCU 180MHz 128KB ROM BGA-256 | Microchip
AT91RM9200-CJ-002

AT91RM9200-CJ-002 - ARM920T MCU 180MHz 128KB ROM BGA-256 | Microchip

The Microchip AT91RM9200-CJ-002 is a complete system-on-chip built around the ARM920T ARM Thumb processor, integrating 128 KB of on-chip ROM, 48 KB of internal SRAM, and a rich set of system and application peripherals in a 256-ball BGA package (15x15 mm). The device operates at up to 180 MHz, delivering 200 MIPS with a memory management unit, 16 KB instruction cache, 16 KB data cache, and write buffer for high-throughput embedded workloads. An ARM920T-based microcontroller is a 16/32-bit RISC microprocessor core that combines the ARM7TDMI integer pipeline with separate instruction and data caches plus a memory management unit, making it suitable for running full operating systems such as Linux or Windows CE. As a product category, this sits within the ARM9 family of application processors, which targets industrial control, networking, and human-machine interface designs that demand deterministic real-time behavior with reasonable power dissipation. The architecture is widely adopted in point-of-sale terminals, building automation, and embedded gateways where deterministic interrupt handling is essential. Key features of the AT91RM9200-CJ-002 include a 10/100 Ethernet MAC with full DMA, a Full Speed USB Host and Device controller, a Multimedia Card Interface, I2S audio, three USARTs, two SPIs (master/slave), a TWI bus, a 16-bit timer/counter, and a real-time clock. The 256-BGA (15x15) industrial-temperature package (-40C to +85C) is suitable for harsh environment designs and is backed by a broad peripheral set that minimizes external glue logic. The device targets core voltage (Vcc) operation from 1.65 V to 1.95 V and includes an internal oscillator, four DMA channels, and an in-circuit emulator with debug communication channel for trace-aware debugging. Power management includes four programmable external interrupt lines, a watchdog timer, and a real-time clock with separate power domain for low-power standby. Typical applications include industrial automation controllers, Ethernet-attached embedded web servers, USB peripherals, building access control, and point-of-sale terminals. The integrated MAC and USB controllers allow single-chip designs that previously required a discrete network or peripheral controller. When designing with this part, plan PCB layout for the 256-ball BGA footprint, ensure 1.65 V-1.95 V core supply decoupling, and verify BGA ball pad pattern against the manufacturer footprint for manufacturability. This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not consolidated in the manufacturer datasheet, supporting faster sourcing and BOM risk reduction for AT91RM9200-CJ-002 designs.

RFQ Kontak
AT91RM9200-QU-002 - ARM920T 180MHz MCU | Microchip | Industrial
AT91RM9200-QU-002

AT91RM9200-QU-002 - ARM920T 180MHz MCU | Microchip | Industrial

The Microchip Technology AT91RM9200-QU-002 is a 32-bit ARM920T-based embedded microprocessor running at up to 180 MHz with 128 KB on-chip ROM and 48 KB SRAM, housed in a 208-pin PQFP (28x28 mm) package. It integrates a full-speed USB host and device interface, a 10/100 Ethernet MAC, and a rich peripheral set for embedded control and communication designs. An ARM920T-based embedded microprocessor is a system-on-chip that combines a 32-bit RISC CPU core with memory management, cache, and integrated peripherals on a single die. The AT91RM9200 sits in the hierarchy of ARM9-based microcontrollers, which are themselves a subset of 32-bit embedded processors, which belong to the broader class of microprocessors and microcontrollers used across industrial, networking, and consumer electronics. Key features include a 16 KB instruction cache and 16 KB data cache with write buffer, a memory management unit (MMU) supporting Linux and real-time operating systems, 122 programmable I/O lines, and a supply voltage range of 1.65 V to 1.95 V for the core. The device delivers approximately 200 MIPS at 180 MHz, making it suitable for compute-intensive embedded tasks that require both performance and low power consumption. The AT91RM9200 architecture includes a 16-bit external bus interface, multiple USARTs, master/slave SPI channels, a two-wire interface (TWI), 16-bit timers, an I2S audio interface, and a multimedia card interface (MCI). This peripheral mix enables single-chip solutions for industrial gateways, data loggers, and network appliances without requiring external bridge chips. Typical applications include industrial automation controllers, Ethernet-to-serial gateways, point-of-sale terminals, and embedded Linux systems. The integrated 10/100 Ethernet MAC and USB host/device interfaces reduce BOM cost and board area in networked embedded designs. When designing with the AT91RM9200-QU-002, pay close attention to the 1.8 V core supply decoupling and the 3.3 V I/O rail sequencing. The 208-pin PQFP package requires careful PCB layout to manage the high pin count and maintain signal integrity on the external memory bus. 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 selection and sourcing decisions.

RFQ Kontak
AT91RM9200CJ-100 - ARM920T MPU, 180MHz, 100MHz Ind. Temp | Microchip
AT91RM9200CJ-100

AT91RM9200CJ-100 - ARM920T MPU, 180MHz, 100MHz Ind. Temp | Microchip

The Microchip Technology AT91RM9200CJ-100 is an ARM920T-based embedded microprocessor (MPU) running up to 100MHz core clock for industrial temperature variants, delivering 200 MIPS integer performance with 16-bit/32-bit ARM/Thumb instruction set support. Housed in a 256-ball LFBGA (CJ) package (15x15mm), the part integrates an external memory interface, USB host/device, 10/100 Ethernet MAC, and standard peripherals for industrial control and connectivity designs. A microprocessor (MPU) is a system-on-chip that integrates a CPU core, memory controllers, and peripherals on a single die. Within the broader semiconductor hierarchy, an MPU sits above a microcontroller (MCU) in compute capability, sitting alongside application processors and DSPs. The ARM920T core inside the AT91RM9200 adds a Memory Management Unit (MMU), enabling full operating systems such as Linux and embedded Windows CE, unlike MCU-class ARM7 parts that run bare-metal or RTOS-only. Key features include a 16KB instruction cache plus 16KB data cache, write buffer, debug access port supporting JTAG-ICE, dedicated DBGU UART debug channel, embedded trace macrocell (ETM9) for real-time trace, and a power management controller with idle, slow-clock and peripheral-level gating. The external bus interface (EBI) supports SDRAM, SRAM, NAND flash with ECC, and CompactFlash, enabling flexible system memory architectures. Typical applications for the AT91RM9200CJ-100 include industrial gateways and protocol converters, networked PLCs, point-of-sale terminals, embedded HMI panels, and legacy Linux-based control systems where the 256-ball LFBGA (CJ) package provides compact BGA mounting on standard 4-layer PCBs. When designing with this device, allocate adequate ground and decoupling capacitance around the BGA balls, follow the Microchip AT91RM9200 hardware design checklist for SDRAM trace length matching (typically +/-50 mils for the byte-lane groups), and ensure the 32.768kHz slow crystal is placed within 5mm of the RTC pins for oscillator stability.

RFQ Kontak
AT91SAM7S128D-AU - 55MHz ARM7TDMI MCU, 128KB Flash, USB | Microchip
AT91SAM7S128D-AU

AT91SAM7S128D-AU - 55MHz ARM7TDMI MCU, 128KB Flash, USB | Microchip

The Microchip (formerly Atmel) AT91SAM7S128D-AU is a 32-bit ARM7TDMI RISC microcontroller operating at up to 55 MHz, integrating 128 KB of Flash and 32 KB of SRAM on-chip, and housed in a 64-pin LQFP (10x10 mm) package. It is a member of the SAM7S flash microcontroller family and targets cost-sensitive, high-volume embedded applications that require USB connectivity. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory (Flash for program storage, SRAM for runtime data), and a rich set of peripherals (timers, communication interfaces, ADCs, I/O). The AT91SAM7S128D-AU sits within the broader hierarchy: ARM7TDMI core -> ARM7 family -> 32-bit RISC microcontroller -> embedded MCU -> semiconductor IC. Its integrated USB 2.0 Full-Speed Device port differentiates it from competitors by eliminating the need for an external USB transceiver, reducing BOM cost and PCB area in peripheral designs. Key features include a 55 MHz ARM7TDMI core with Thumb instruction set support, 128 KB on-chip Flash, 32 KB SRAM, USB 2.0 Full-Speed Device port, up to 32 peripheral DMA channels, a 10-bit ADC, two USARTs, one UART, two TWI (I2C-compatible) interfaces, an SPI, two 3-channel 16-bit timers, an RTT, a watchdog timer, and a real-time clock. The device operates from 3.0 V to 3.6 V supply and includes an embedded voltage regulator for core logic. Architecturally, the SAM7S series uses a multi-layer AHB/APB bus matrix that allows simultaneous access to peripherals by the CPU and the peripheral DMA controller, eliminating data-transfer bottlenecks typical of single-bus MCUs. The integrated 3.3V LDO regulator and power-on-reset block reduce external component count to a minimum, while the Embedded Flash Controller (EFC) provides Flash read and write access with wear-leveling support. Typical applications include USB peripherals such as HID devices, USB-to-serial adapters, USB barcode scanners, USB keyboards and mice; consumer electronics with embedded control; industrial control nodes; and migration paths for legacy 8-bit designs that require more performance. The aggressive price point and high integration make it well suited to cost-sensitive, high-volume consumer markets. When designing with the AT91SAM7S128D-AU, engineers should ensure the 64-LQFP thermal pad is properly soldered for thermal and electrical performance, and use the integrated voltage regulator's recommended 4.7 µF decoupling capacitors. For USB applications, the D+ and D+ pull-up resistor network must follow the USB 2.0 specification for proper enumeration. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet alone.

RFQ Kontak
AT91SAM7X512B-AU - 512KB Flash ARM7 MCU w/ Ethernet | Microchip
AT91SAM7X512B-AU

AT91SAM7X512B-AU - 512KB Flash ARM7 MCU w/ Ethernet | Microchip

The Microchip AT91SAM7X512B-AU is a 32-bit ARM7TDMI-based flash microcontroller (MCU) running at 55 MHz with 512 KB of embedded Flash and 128 KB of SRAM, housed in a 100-pin LQFP (14x14 mm) package. It integrates a 10/100 Mbps Ethernet MAC, USB 2.0 Full-Speed device port, CAN 2.0A/B controller, and a rich set of serial peripherals including USART, SPI, TWI (I2C), and SSC for audio/I2S streams. The integrated Ethernet MAC embeds a static-MII-less PHY interface and a 16-bit host-side bus that simplifies TCP/IP offload via a hardwired MAC rather than a software stack.

RFQ Kontak
AT91SAM7X512B-AUR - 512KB Flash ARM7 MCU 100-LQFP | Microchip
AT91SAM7X512B-AUR

AT91SAM7X512B-AUR - 512KB Flash ARM7 MCU 100-LQFP | Microchip

The Microchip AT91SAM7X512B-AUR is a 32-bit ARM7TDMI-based flash microcontroller integrating 512KB of program flash and 128KB of SRAM on-chip, operating at up to 55 MHz from a 1.65V–1.95V core / 3.0V–3.6V I/O supply, housed in a 100-pin LQFP (14x14 mm) package supplied on tape and reel. What is an ARM7-based flash microcontroller? An ARM7TDMI MCU is a 32-bit RISC processor with Thumb 16-bit compressed instruction support, integrating flash program memory, SRAM, peripherals, and often connectivity blocks such as Ethernet MAC and CAN on a single die. In the broader taxonomy it sits below ARM Cortex-M parts but above 8/16-bit 8051/AVR devices, occupying the industrial/embedded connectivity tier where deterministic 32-bit performance and integrated wired networking matter more than ultra-low power. Key features of the AT91SAM7X512B-AUR include an integrated 10/100 Ethernet MAC with MII/RMII interface, a CAN 2.0B controller, a USB 2.0 Full-Speed Device port, an 8-channel 10-bit ADC, four 16-bit timers, an 8-bit RTC, and a peripheral DMA controller that offloads data movement from the core. The embedded flash controller supports in-system programming and bootloader operation from USB or UART. Architecturally, the SAM7X512B uses a three-layer AHB bus matrix connecting the core, flash controller, peripheral DMA, and a bridge to APB peripherals, allowing parallel bus transactions that improve sustained throughput for Ethernet and USB traffic. The ARM7TDMI core's three-stage pipeline delivers roughly 0.9 MIPS/MHz, giving ~49 Dhrystone MIPS at 55 MHz. Typical applications include industrial gateways, building-automation controllers, point-of-sale terminals, CAN-based sensor nodes, and embedded Ethernet bridges. Integrated Ethernet plus CAN makes the part especially suitable for protocol-conversion bridges between factory-floor CAN networks and IP backhaul. When designing with the AT91SAM7X512B-AUR, verify the dual-rail supply (1.8V VDDCORE plus 3.3V VDDIO) and provide bulk decoupling near each power pin. Microchip designates the SAM7X family as not recommended for new designs (NRND); the AT91SAM7XC512B is the pin-compatible successor with optional AES/TDES crypto accelerators. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet, including a v3.9-aligned alternatives list of same-brand and cross-brand drop-in options verified for package and pin compatibility.

RFQ Kontak
AT91SAM9260B-CU - ARM926EJ-S MCU 180MHz 217-LFBGA | Microchip
AT91SAM9260B-CU

AT91SAM9260B-CU - ARM926EJ-S MCU 180MHz 217-LFBGA | Microchip

The Microchip Technology (formerly Atmel) AT91SAM9260B-CU is a SMART 32-bit ARM926EJ-S embedded microprocessor running at up to 180 MHz, packaged in a 217-ball LFBGA (15x15 mm). It integrates 32 KB of ROM, 8 KB of SRAM, and a 6-layer bus architecture that delivers up to six simultaneous 32-bit internal buses for parallel data movement. Key features include Full-Speed USB Host and Device ports, a 10/100 Ethernet MAC with RMII/MII interface, an image sensor interface (ISI), a MultiMedia Card Interface (MCI), I2S audio, three USARTs, two UARTs, SPI, TWI (I2C), Timer Counters, a Synchronous Serial Controller (SSC), and an ADC. The 6-layer matrix bus architecture provides high internal bandwidth, which makes the part suitable for multimedia, image-capture, and connected-embedded applications. The 'B' silicon revision improves upon the original AT91SAM9260 with errata fixes and refined peripheral behavior. The AT91SAM9260 family occupies the ARM9-based MPU segment of the Microchip SAM9 portfolio. As an ARM926EJ-S device with a memory management unit (MMU), it runs full operating systems such as Linux, WinCE, and MQX. Compared to Cortex-M microcontrollers, it offers higher compute throughput, richer connectivity peripherals, and OS support at the cost of higher power and a more complex toolchain. Typical applications include human-machine interfaces (HMIs), industrial control panels, image-capture and machine-vision front-ends, networked point-of-sale terminals, building automation gateways, and low-cost Ethernet/USB-connected embedded nodes where an MMU-capable SoC is required. When designing with this device, ensure the LFBGA-217 layout uses the manufacturer-recommended 8-layer PCB stack-up, a 12 MHz or similar main oscillator, and a regulated 1.8V core / 3.3V I/O supply pair to satisfy the SAM9260 power-domain requirements. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single decision-grade source.

RFQ Kontak
AT91SAM9G20B-CU - 400MHz ARM926 MPU, 217-LFBGA | Microchip
AT91SAM9G20B-CU

AT91SAM9G20B-CU - 400MHz ARM926 MPU, 217-LFBGA | Microchip

The Microchip AT91SAM9G20B-CU is a 400 MHz ARM926EJ-S embedded microprocessor (MPU) housed in a 217-ball LFBGA (15x15 mm) package, integrating fast ROM/RAM, a 10/100 Ethernet MAC, USB host/device interfaces with on-chip transceivers, and an image sensor interface. It belongs to the SAM9G family of smart ARM-based MPUs designed for connected embedded systems. The 'B' suffix designates the revision with the higher 400 MHz core clock versus the legacy 200/266 MHz SAM9G, while the 'CU' suffix denotes the 217-LFBGA industrial-grade package variant. An ARM926EJ-S microprocessor is a 32-bit RISC CPU core featuring the ARMv5TEJ instruction set with Jazelle Java acceleration, MMU, and DSP extensions, designed for embedded applications requiring full operating-system support such as Linux and Windows Embedded Compact. In the broader system hierarchy, the AT91SAM9G20 sits below application processors and above microcontrollers (MCUs), bridging the gap between deterministic MCU-class peripherals and rich-OS-capable CPUs. The 217-LFBGA package is part of the fine-pitch BGA surface-mount family requiring reflow soldering and X-ray or AOI inspection. Key features include an ARM926EJ-S core with 32 KB instruction cache and 32 KB data cache, 64 KB internal SRAM, 16 KB ROM containing the bootloader, and an external bus interface supporting DDR/LPDDR, NAND Flash, and SDRAM. Communication peripherals cover two USB 2.0 Full-Speed ports (host and device), a 10/100 Ethernet MAC with MII/RMII, an Image Sensor Interface (ISI), two SSC/SPI, four UART, two TWI (I2C), and a high-speed multimedia card interface (HSMCI). Operating voltage is 0.9-1.1 V core with 1.65-3.6 V I/O and memory. Typical applications include industrial HMI panels, point-of-sale terminals, barcode scanners, building automation gateways, portable medical data terminals, and Linux-based IoT edge nodes. The combination of Ethernet, dual USB, image sensor input, and DDR controller enables a true single-chip system design without an external bus-master companion. Compared to microcontrollers in the same generation, the AT91SAM9G20 provides full MMU support and Linux BSP availability from Microchip, simplifying migration from MCU-class designs when memory protection and complex OS features are required.

RFQ Kontak
AT97SC3204-U2A1A-10 - TPM 1.2 Crypto Controller | Microchip | 28-TSSOP
AT97SC3204-U2A1A-10

AT97SC3204-U2A1A-10 - TPM 1.2 Crypto Controller | Microchip | 28-TSSOP

The Microchip AT97SC3204-U2A1A-10 is an AVR-based CryptoController Trusted Platform Module (TPM) compliant with TCG (Trusted Computing Group) TPM 1.2 specifications, housed in a 28-pin TSSOP package (4.40 mm body width). It is a fully integrated hardware security module designed for embedded systems that need to perform RSA/SHA-1 cryptographic operations, secure key storage, platform attestation, and TWI (I²C-compliant) host communication. The device is part of Microchip's AT97SC3204 family and is rated for the industrial temperature range. A Trusted Platform Module (TPM) is a dedicated hardware security controller (a type of microcontroller + EEPROM security IC) that provides a tamper-resistant root of trust for computing platforms. In the broader taxonomy it sits under security IC -> authentication IC -> application-specific microcontroller, and ultimately under semiconductor. TPMs perform RSA encryption/decryption, SHA-1 hashing, random number generation, and sealed key binding/unbinding, all while keeping private keys inside a hardware boundary that resists software-level extraction. Key features include a hardware RNG (FIPS 140-2 compliant random number generator), an integrated Atmel AVR core for command processing, on-chip non-volatile EEPROM key storage, and a TWI/I²C host interface. The device operates from a 3.3 V supply, supports I²C at standard and fast-mode rates, and provides Endorsement Key (EK) pre-provisioning under the suffix -10 (signed EK). The 28-TSSOP footprint and standard TPM pinout allow drop-in replacement on compliant mainboard headers. The architecture combines an 8-bit AVR MCU, a crypto-acceleration block for RSA-1024/2048 and SHA-1, secure EEPROM for persistent keys, and a TWI slave controller. This partitioning keeps the host CPU free of cryptographic computation and keeps private keys bound to hardware for the platform's lifetime. Typical applications include commercial desktop and notebook PCs, server motherboards, embedded industrial controllers requiring secure boot, network equipment needing platform attestation, and any TCG-compliant system that requires hardware-bound credential storage. The TWI interface integrates with standard I²C controllers on most SBCs and SoCs. Designers should ensure the LPC (Low Pin Count) interface is correctly wired to the host chipset's TPM header and that the firmware stack (BIOS/UEFI TCG driver) is enabled in BIOS. The EK variant (-10) is signed and ready for attestation flows; the EK-less variant is suitable for non-attestation use cases. This page combines distributor pricing snapshots, drop-in alternative analysis, and design notes not included in the manufacturer datasheet addendum, providing engineering perspective beyond raw specifications.

RFQ Kontak
ATMEGA103-6AC - 8-Bit AVR MCU, 6MHz, 128KB Flash | Microchip
ATMEGA103-6AC

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

The Microchip Technology ATMEGA103-6AC is an 8-bit AVR enhanced RISC microcontroller with 128KB of In-System Programmable Flash (64K x 16), operating at up to 6 MHz from a 5V supply, housed in a 64-pin TQFP (14 x 14 mm) package. A microcontroller is a single-chip computer that integrates a processor core, program memory, data memory, and peripherals such as timers, UART, and analog-to-digital converters onto one die. In the embedded systems hierarchy, the AVR ATmega family sits within the broader class of 8-bit microcontrollers, competing with architectures such as Microchip PIC, 8051, and Freescale HC08. The AVR architecture uses a Harvard structure with most instructions executing in a single clock cycle, giving high code efficiency and MIPS-per-MHz. Key features of the ATMEGA103-6AC include 121 powerful instructions (most single-cycle), 128KB of In-System Reprogrammable Flash, 4KB of internal SRAM, and 4KB of EEPROM for non-volatile data storage. The 6 MHz speed grade with a 5V supply targets cost-sensitive commercial-temperature applications where maximum performance is not required. The large 128KB Flash makes it suitable for firmware-heavy applications such as protocol stacks and menu-driven HMI code. Technically, the ATmega103 uses an AVR enhanced RISC core with 32 general-purpose working registers directly connected to the ALU, allowing two independent registers to be accessed in one instruction executed in one clock cycle. This delivers throughput approaching 1 MIPS per MHz. Peripherals typically include an 8-channel 10-bit ADC, multiple timer/counters with PWM, UART for serial communication, and SPI for synchronous serial interfacing. Typical applications include industrial control panels, building automation nodes, battery-backed instrumentation, and legacy embedded products whose firmware was designed around the ATmega103 memory map and pinout. Design consideration: the 5V-only supply and 6 MHz limit mean new designs should normally select the pin-compatible ATmega128 family, which runs to 16 MHz with richer peripherals while sharing the 64-TQFP footprint. This page synthesizes distributor pricing, verified drop-in alternatives such as the ATmega128 series, and practical sourcing notes not found in the manufacturer datasheet.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

RFQ Kontak
ATMEGA128-16AJ - 16MHz 128KB 8-Bit AVR MCU | Microchip
ATMEGA128-16AJ

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

The Microchip Technology ATMEGA128-16AJ is an 8-bit AVR RISC microcontroller operating at 16 MHz, with 128 KB of programmable flash memory, 4 KB SRAM, and 4 KB EEPROM in a 64-pin TQFP package. It combines an 8-channel 10-bit ADC, JTAG debugging, and serial peripherals for embedded control systems. A microcontroller is a programmable integrated circuit that executes firmware, reads inputs, controls outputs, and manages embedded-system functions. This ATmega device belongs to the AVR family of 8-bit RISC microcontrollers, combining flash-backed program storage, SRAM, EEPROM, timers, serial communications, and analog conversion. Its architecture is designed for compact control, measurement, communication, and automation products. Verified product information identifies a 16 MHz AVR core, 128 KB flash memory, 4 KB SRAM, and 4 KB EEPROM. The ATMEGA128-16AJ also provides an 8-channel 10-bit ADC and JTAG interface. Its 64-TQFP package exposes the device's I/O and communication resources while supporting surface-mount PCB assembly. The AVR core provides an 8-bit processing platform with an instruction set designed for efficient embedded control. Program storage is 128 KB, while the 4 KB SRAM supports working variables and application state. The 4 KB EEPROM provides nonvolatile storage for parameters, calibration data, configuration values, and other information that must survive power removal. Typical applications include industrial controllers, building automation equipment, data-acquisition modules, motor and relay-control systems, communication equipment, and embedded instruments. The 10-bit ADC is suitable for analog sensor interfaces, while the JTAG interface supports hardware-assisted programming and debugging workflows. The exact peripheral availability and electrical limits should be confirmed against the manufacturer datasheet before design release. Designers should preserve the required power, decoupling, clock, programming, and JTAG connections, and should account for the 64-pin TQFP footprint and exposed ground requirements. The exact operating-voltage range, pin names, electrical timing values, and package-specific details are not present in the supplied verified data and are marked as needed below rather than inferred.

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

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

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

RFQ Kontak