Mikrocontroller

AT32UC3A0512-ALUT

AT32UC3A0512-ALUT - 32-bit AVR32 MCU 66MHz 512KB Flash LQFP-144

The Microchip Technology AT32UC3A0512-ALUT is a high-performance, low-power 32-bit AVR32 RISC microcontroller based on the UC3 A0 system-on-chip architecture, operating at frequencies up to 66 MHz and packaged in a 144-pin LQFP (20x20 mm). The device integrates 512 KB of Flash and 64 KB of SRAM, combined with a rich set of peripherals including a 10/100 Ethernet MAC, full-speed USB 2.0 with embedded host capability, I2S audio interface, and a stereo audio D/A converter. An MCU (Microcontroller Unit) is a single-chip computer that combines a processor, memory, and programmable I/O. The 32-bit AVR32 UC3 family belongs to the broader category of embedded microcontrollers -> RISC processors -> semiconductors -> integrated circuits, designed for cost-sensitive embedded applications with particular emphasis on low power consumption, high code density, and high computational throughput. The AVR32 core implements a compact single-cycle RISC instruction set including DSP extensions, with the AT32UC3A0512 reaching approximately 1.38 DMIPS/MHz. Key specifications include 1.65 V to 3.6 V supply voltage operation, 66 MHz maximum CPU clock, 512 KB on-chip Flash program memory, 64 KB SRAM, integrated 10/100 Mbps Ethernet MAC, USB 2.0 full-speed On-The-Go controller, multi-layer AHB bus architecture, and a built-in audio DAC with I2S interface. The device supports external memory bus interfaces and provides extensive connectivity for embedded networking, audio, and human-machine-interface designs. The AVR32 UC3 core uses a Harvard-style architecture with separate instruction and data paths to the Flash and SRAM subsystems, enabling single-cycle instruction fetch and high deterministic interrupt latency. The integrated audio DAC and I2S make the part particularly well-suited for consumer audio applications, while the Ethernet MAC and USB OTG target industrial connectivity and embedded host stacks. The architecture includes read-modify-write atomic bit manipulation and DSP instruction extensions for signal-processing workloads. Typical applications include industrial Ethernet gateways, USB audio peripherals, point-of-sale terminals, smart energy metering, motor control front-ends, and embedded HMI panels. The combination of high-performance 32-bit compute with on-chip audio and networking peripherals enables the application to consolidate multiple discrete ICs into a single chip, reducing BOM cost and PCB footprint. Design considerations for this device include thermal management of the 20x20 mm LQFP-144 footprint, careful PCB layout for USB and Ethernet differential pairs, and adequate decoupling near the multiple VDD pins. Engineers should consult the AVR32 UC3 Technical Reference Manual for detailed peripheral programming guidance and the datasheet's electrical characteristics section before committing to a layout. This page synthesizes distributor pricing, an Octopart inventory view, Microchip cross-reference guidance, and practical design notes not found in the manufacturer datasheet, supporting both initial component evaluation and long-term re-purchase decisions.

USD $7,62 Auf Lager

AT32UC3C0512C

AT32UC3C0512C - 32-bit AVR MCU 512KB Flash 66MHz | Microchip

The Microchip (formerly Atmel) AT32UC3C0512C is a 32-bit AVR32 UC3 microcontroller delivering 66 MHz CPU performance with 512 KB Flash and 64-68 KB SRAM, housed in a 144-pin LQFP (20x20 mm) industrial-grade package. The device is engineered for industrial and automotive-grade control applications, with hardware dedicated to fast communication, motor control, and deterministic real-time response. A built-in single-precision floating-point unit (FPU) and DSP instruction extensions accelerate math-heavy control loops without burdening the core. An MCU (microcontroller unit) is a compact, self-contained computer on a single IC that integrates a CPU core, non-volatile program memory, working RAM, and a rich set of peripherals. The AT32UC3C0512C belongs to the 32-bit MCU category within the broader hierarchy of microcontrollers, embedded processors, and finally semiconductors. It targets motor-control and industrial-automation designs where deterministic latency and high analog integration matter more than raw clock speed. Key features include 512 KB Flash program storage, on-chip SRAM, full-speed USB 2.0 with OTG, 10/100 Ethernet MAC with MII/RMII, multiple USART (SPI/LIN mode capable), an Inter-IC Sound (I2S) controller, up to 16-bit ADC, and FlashVault code protection for IP security. A peripheral event system and 4-channel DMA offload the CPU, while an interrupt controller with autovector handling keeps latency predictable under heavy event load. The architecture pairs the AVR32 RISC core (including DSP and SIMD-friendly instructions) with hardware dedicated to power-conversion feedback loops: high-resolution PWM, motor-control timers, and synchronized analog comparators. This combination enables field-oriented control (FOC) algorithms and tight torque/velocity loops on a single chip, eliminating the need for external DSPs. Typical applications include industrial motor drives (BLDC, PMSM, stepper), automotive body and chassis ECUs, factory-automation PLCs, smart-grid metering, USB-to-Ethernet gateways, and embedded audio interfaces. The wide operating temperature range and FlashVault protection also make it suitable for secure connected nodes and industrial IoT edge controllers. Designers should size external decoupling carefully (1 µF + 100 nF near each supply pin), keep analog and digital ground returns separated, and use the on-chip DMA to keep ISR latency bounded. For motor-control firmware, the Atmel AVR32 framework and ASF provide production-ready FOC and PFC reference implementations. This page synthesizes Microchip product-page information, datasheet doc9166, distributor stock data, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

USD $8,10 Auf Lager

AT32UC3C0512C-ALUT

AT32UC3C0512C-ALUT - 32-bit AVR UC3 512KB Flash MCU | Microchip

The Microchip Technology AT32UC3C0512C-ALUT is a 32-bit AVR UC3 C-series microcontroller featuring a 66 MHz AVR32 RISC core, 512 KB of in-system programmable Flash and 64 KB SRAM, housed in a 144-pin LQFP (20x20 mm, industrial -40C to +85C) package supplied in tray. The device targets industrial and automotive control applications with a focus on fast communication interfaces and motor control peripherals. An MCU (Microcontroller Unit) is a single-chip computer that integrates a CPU core, program and data memory, peripherals, and I/O. The AT32UC3 family belongs to the broader taxonomy of embedded microcontrollers within the semiconductor category, designed for deterministic, real-time control tasks. The 'AVR32 UC3 C' label specifies the 32-bit AVR32 RISC architecture (32-bit -> microcontroller -> embedded processor -> semiconductor), making it suitable for code-density-critical and signal-processing workloads. Key features include a 1.5 Msps 12-bit ADC (8 channels with dual sample-and-hold for simultaneous current/voltage sensing), single or dual CAN interfaces, Full-Speed USB 2.0 with On-The-Go host capability, NAND Flash and SDRAM external memory controllers, PWM channels with dead-time insertion for motor drive, and an MII/RMII 10/100 Ethernet MAC. The integrated media-independent interface (MII) and reduced MII (RMII) provide direct PHY connectivity without external glue logic. The architecture pairs a high-performance AVR32UC core with a Peripheral DMA Controller (PDCA) and a multi-layer High-Speed Bus Matrix, enabling parallel data movement between ADC, PWM, communication peripherals and memory without CPU intervention. This is essential for high-bandwidth motor control and audio streaming loops. The Nanotrace debug interface supports both JTAG and single-pin aWire debug through the RESET pin. Typical applications include industrial motor drives (BLDC/PMSM FOC), automotive body and chassis controllers, USB audio peripherals, CAN-connected sensor nodes, and Ethernet-enabled industrial gateways. The AT32UC3C0512CAU-ALUT variant is the Audio licensed-firmware IP version of the same silicon. When designing with this MCU, plan Pinout 144-LQFP PCB escape carefully because of the high pin count and 0.5 mm pitch; allocate at least four PCB layers with dedicated power and ground planes. Ensure the brown-out detector and watchdog timer are enabled for automotive-grade reliability. This page synthesizes Microchip datasheet extracts, same-package UC3C family variants, and design considerations not consolidated in the datasheet alone.

USD $18,75 Auf Lager

AT32UC3C0512C-ALZR

AT32UC3C0512C-ALZR - 32-bit AVR MCU 512KB Flash Automotive LQFP-144 | Microchip

The Microchip Technology (formerly Atmel) AT32UC3C0512C-ALZR is an AVR32 UC3 C-series 32-bit RISC flash microcontroller integrating 512KB of Flash, 68KB of SRAM, and a hardware floating-point unit, housed in a 144-pin LQFP package (20x20 mm) and qualified to AEC-Q100 grade 1 for automotive control applications. It runs at 66 MHz core clock, supports 3.3V and 5V operating voltages, and is optimised for fast serial interfaces and field-oriented motor control. A microcontroller (MCU) is a single-chip computer that combines a CPU core, program memory (Flash), volatile memory (SRAM), and a rich set of on-chip peripherals (timers, communication, ADC, PWM, GPIOs). Within the broader system hierarchy, this part belongs to embedded microcontroller → 32-bit MCU → RISC MCU → automotive-grade MCU → semiconductor IC. The UC3 C-series specifically targets motor-control and industrial-control subsystems requiring deterministic PWM generation, fast ADC sampling, and CAN/LIN connectivity. Key features of the AT32UC3C0512C-ALZR include a 7-channel peripheral event controller, a 4-channel 12-bit ADC capable of simultaneous dual-sample conversion, programmable analog comparators with window detection, a Multi-purpose Timer Counter (TC) module with quadrature decoding, full-speed USB 2.0 device, two CAN controllers, four USARTs, and FlashVault code-protection for secure firmware IP. The hardware FPU accelerates single-precision math used in field-oriented control (FOC) algorithms. The device uses a Harvard-cache architecture with separate code and data memories to maximise throughput, and integrates dedicated motor-control peripherals such as the Pulse Width Modulation Controller (PWMC) and Quadrature Decoder (QDEC). AEC-Q100 grade 1 qualification ensures operation across -40C to +125C and resilience to automotive EMC profiles, making the part suitable for under-hood applications. Typical applications include industrial servo drives, automotive HVAC blower and pump controllers, BLDC and PMSM motor control, power-tool inverter control, field-oriented control of three-phase motors, and CAN/LIN node ECUs. The combination of FPU and motor-control peripherals removes the need for an external DSP in low-power-control designs. When designing with this MCU, budget Flash and SRAM carefully because the part does not include external memory bus, so all firmware must fit in the on-chip 512KB Flash and 68KB SRAM. Use the on-chip QTouch library for capacitive touch acquisition, and add CAN bus transceivers (e.g., MCP2551) and 12V-tolerant ESD diodes on automotive harnesses. This page synthesises distributor pricing from DigiKey, Mouser and Octopart, identifies same-brand and cross-brand drop-in alternatives, and adds practical design notes not found in the manufacturer datasheet, giving engineers a one-stop engineering summary.

USD $11,85 Auf Lager

AT80C32X2-RLTUM

AT80C32X2-RLTUM - 8-Bit 8051 ROMless MCU, 40/20MHz, 44-VQFP | Microchip

The Microchip (formerly Atmel) AT80C32X2-RLTUM is an 8-bit ROMless 80C51/80C52-compatible microcontroller IC operating at 40 MHz (or 20 MHz in the lower-voltage range) in a 44-pin VQFP (10x10 mm) package. It features four 8-bit I/O ports (32 I/O lines), three 16-bit timer/counters, a full-duplex UART, and 256 bytes of on-chip scratchpad RAM. As a ROMless derivative of the AT89C family, external program memory is required, making this part ideal for memory-intensive or field-upgradeable firmware designs. A microcontroller (MCU) is a single-chip computer containing a CPU, memory, and peripherals. The 8051 architecture is a foundational 8-bit ISA widely used in industrial control, automotive body electronics, and consumer appliances. Within the taxonomy: 8051 -> 8-bit MCU -> microcontroller -> embedded IC -> semiconductor. The AT80C32X2 belongs to the ROMless segment of this family, where code is fetched from external EPROM/Flash rather than internal non-volatile memory, simplifying code development during prototyping. Key features include dual clock domain support (0 to 40 MHz at 5 V, 0 to 20 MHz at 3 V), six interrupt sources with two priority levels, on-chip analog watchdog, power-saving idle and power-down modes, and an extended 16-bit program counter supporting up to 64 KB of external code space. The -RLTUM suffix designates the 44-pin VQFP industrial-temperature (-40C to +85C) operating range, lead-free RoHS-compliant package. Architecturally, the AT80C32X2 uses CMOS technology with static design, allowing the clock to be stopped without losing internal state. The four-port parallel I/O structure provides 32 flexible bidirectional lines, and the on-chip oscillator supports external crystal, ceramic resonator, or external clock source. The non-volatile code execution model (external ROM) suits designs where code must be updated in the field without re-spinning silicon. Typical applications include industrial control systems, motor drive interfaces, sensor data acquisition nodes, building automation controllers, and legacy 8051 firmware migration designs where code density or revision history exceeds internal Flash capacity. It is also well-suited as a drop-in replacement for legacy Atmel 80C32 systems requiring an RoHS-compliant upgrade path. When designing with this device, ensure the EA pin is tied low to force external code fetch (ROMless), and provide proper bus-cycles timing accounting for any external memory wait states. The VQFP-44 footprint requires standard surface-mount assembly with the exposed-pad thermal pad soldered to a copper pour for thermal dissipation in enclosed industrial enclosures. This page synthesizes verified distributor stock data, same-brand drop-in VQFP-44 alternatives, and practical 8051 design notes not consolidated in any single source.

USD $4,20 Auf Lager

AT89C51AC3-S3SUM

AT89C51AC3-S3SUM - 8-Bit 80C51 MCU, 64KB Flash, 60MHz | Microchip

The Microchip Technology (formerly Atmel) AT89C51AC3-S3SUM is a high-performance 8-bit 8051-family microcontroller with 64KB of in-system programmable flash, 2KB boot flash, 2KB EEPROM, and 2048 bytes of ERAM, offered in a 52-pin PLCC package rated for the industrial temperature range. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, and a rich set of programmable peripherals on one die. The 8051 architecture, originally introduced by Intel in 1980 and now widely licensed through Microchip/Atmel, sits in the broader product hierarchy: microcontroller -> embedded MCU -> 8-bit MCU -> CISC processor -> semiconductor. The AT89C51AC3 belongs to the 89C family (flash-based 8051), which is itself a derivative of the original 80C51, an industry standard for decades of legacy embedded designs. Key features include a 60 MHz maximum core clock (or 20 MHz in X2 mode), full MCS-51 instruction-set compatibility, three-level program memory lock, ISP/IAP (in-system and in-application programming), a 10-bit ADC, dual hardware PWM channels, a hardware watchdog, and a CAN 2.0B controller that distinguishes this part from the older AT89C51/C52. The 52-pin PLCC (plastic leaded chip carrier) gives designers 36 programmable I/O lines plus dedicated analog, PWM, and CAN pins, with a JEDEC-standard J-lead footprint that supports both socketed and surface-mount assembly. Typical applications include industrial automation controllers, motor drives (via the hardware PWM and 10-bit ADC), automotive body and chassis ECUs (CAN bus), smart metering, building automation, and any brownfield 8051 design that needs to retain legacy code while adding modern flash memory and on-chip peripherals. The 5V industrial-grade supply simplifies integration into legacy 5V rails, and the AEC-Q100-style temperature range suits outdoor and automotive environments. When designing with the AT89C51AC3, ensure that the SST89E516RD-style bootstrap loader pins are connected to a UART for ISP, and observe the 5V supply range. Because the part uses the 8051 CISC core, throughput-sensitive paths should leverage the X2 mode or migrate code to the faster SFR access patterns available in the AC3 silicon revision.

USD $8,72 Auf Lager

AT89C51CC01UA-SLSUM

AT89C51CC01UA-SLSUM - 8-bit CAN MCU, 32KB Flash, 40MHz, PLCC-44 | Microchip

The Microchip Technology AT89C51CC01UA-SLSUM is an enhanced 8-bit 80C51 AT89C CAN microcontroller with 32 KB of in-system programmable Flash, 2 KB of boot Flash, 2 KB of EEPROM, and 1.2 KB of internal RAM, operating up to 40 MHz (20 MHz) in X2 mode) and supplied in a 44-pin PLCC (16.6 x 16.6 mm) package. It is the first member of the Microchip/Atmel CAN family of 8-bit MCUs designed specifically for CAN network nodes. A CAN microcontroller is a microcontroller that integrates a hardware Controller Area Network (CAN) peripheral on-chip, allowing the device to communicate directly on CAN bus segments used in automotive, industrial, and building-automation networks. The AT89C51CC01UA belongs to the broader 8051 (MCS-51) family, which is one of the longest-lived 8-bit MCU architectures; devices in this hierarchy range from bare 8051 cores through 8051 derivatives, embedded microcontrollers, and on to system-on-chip devices that integrate peripherals such as CAN, ADC, and PWM. Key features include a fully static 8051 core, 32 programmable I/O lines, three-level program memory lock for code protection, an endurance rating of 1,000 write/erase cycles per Flash sector, hardware CAN 2.0B controller, ISP/IAP via bootloader, and an industrial operating temperature range of -40 C to +85 C. The PLCC-44 package provides a robust through-hole-style surface-mount footprint that is easy to prototype with standard PLCC sockets. Typical applications include automotive body and chassis ECUs, industrial CAN-based sensor/actuator nodes, HVAC control modules, building-automation gateways, and CAN-to-UART bridges. The integrated CAN peripheral is one of the three most differentiated capabilities of this device, making it attractive in designs that need a single-chip CAN node without an external CAN controller. When designing with the AT89C51CC01UA, ensure the oscillator circuit follows the manufacturer reference design and that adequate decoupling (typically 100 nF ceramic per VCC pair plus bulk 10 uF) is placed close to the supply pins. The PLCC-44 socket should be of the proper polarization type to avoid pin reversal damage during field service. This page synthesizes verified distributor data, drop-in compatible parametric and behavioral notes, and engineering design considerations not found in the manufacturer datasheet. Pricing is shown as of 2026-10-07 and reflects real-time inventory from authorized distributors.

USD $5,45 Auf Lager

AT89C51CC03CA-RDTUM

AT89C51CC03CA-RDTUM - 8-bit CAN MCU, 64KB Flash, 40MHz | Microchip

The Microchip Technology AT89C51CC03CA-RDTUM is an 8-bit 80C51-core microcontroller with an integrated full CAN (Controller Area Network) controller, 64KB of in-system programmable Flash, 2KB of boot Flash, 2KB of SRAM, and a 40MHz maximum CPU clock (6.66 MIPS), housed in a 64-pin VQFP (10x10) tray-packaged package. The integrated CAN 2.0A/B controller, large Flash complement, and automotive-friendly 3.0V to 5.5V supply range make it a drop-in workhorse for industrial CAN nodes, automotive body and chassis ECUs, and embedded networking appliances where MCS-51 firmware migration matters. An 8-bit CAN MCU is a microcontroller that combines the deterministic, low-overhead 8051 instruction set with an on-chip CAN protocol engine for in-vehicle and industrial networks. It sits in the embedded hierarchy between classic 8051 microcontrollers (no networking) and 32-bit CAN microcontrollers (more performance, more power, more code complexity). The AT89C51CC03CA belongs to Microchip's AT89C51CC03 family, which extends the legacy AT89C51 line by adding CAN, ISP/IAP, and a hardware bootloader for field-upgradeable nodes. Key features include 64KB of in-system programmable Flash with 1000 write/erase cycles, 2KB SRAM for stack and frame buffers, 2KB boot Flash with dedicated bootloader, 2048 bytes of EEPROM for non-volatile parameters (CAN node ID, calibration), 32 programmable I/O lines, three 16-bit timer/counters, a programmable hardware watchdog, full CAN 2.0A/B controller, hardware SPI, UART with enhanced framing, and X2 mode for up to 40MHz equivalent throughput from a 20MHz crystal. The wide 3.0V to 5.5V operating range supports both 3.3V and 5V CAN transceivers and bus rails. Architecturally the device uses the standard 12-clock-per-instruction MCS-51 core and adds dual Flash banks plus a true hardware CAN state-machine rather than a bit-banged software stack. In X2 mode, every peripheral cycle is divided by two, allowing the CPU to perform one instruction per external clock cycle and reach 300ns instruction timing at 20MHz external crystal, doubling effective throughput without redesigning firmware. Typical applications include CAN nodes in industrial fieldbus and DeviceNet systems, automotive body controllers, HVAC and instrument-cluster slaves, sensor and actuator modules with CAN connectivity, building-automation gateways, and any embedded 8051 firmware base that needs an in-place migration path to CAN. The 64-pin VQFP (10x10) footprint is the same land pattern as the rest of the AT89C51CC03 family, which simplifies PCB reuse. When designing with this device, ensure that the unused I/O pins are configured as outputs or pulled up to reduce supply current; ground the unused CAN RX input when CAN is not used. Verify that the CAN baud-rate prescaler, oscillator accuracy, and bit-timing configuration support the chosen bus length, because these directly affect sample point and EMC robustness. This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design considerations for the AT89C51CC03CA-RDTUM not found in the manufacturer datasheet alone.

USD $10,20 Auf Lager

AT89C51CC03CA-RLTUM

AT89C51CC03CA-RLTUM - 8-bit 8051 MCU 64KB Flash CAN VQFP-44 | Microchip

The Microchip AT89C51CC03CA-RLTUM is an 8-bit 8051-family microcontroller with an integrated full CAN (Controller Area Network) controller, 64 KB of in-system programmable Flash, 2.25 KB of RAM, and 2 KB of EEPROM, housed in a 44-pin VQFP package. It executes the standard 80C51 instruction set at up to 40 MHz (X1 mode), and in X2 mode a 20 MHz external crystal reaches a 300 ns machine cycle, doubling effective throughput for compute-bound nodes. An 8051 microcontroller is a CISC 8-bit MCU architecture originally introduced by Intel in 1980 and now widely produced as a license-free core by several vendors. The 8051 sits within the broader hierarchy of microcontrollers -> embedded controllers -> semiconductor ICs and is widely deployed in industrial, automotive, and consumer nodes where deterministic behavior, low cost, and a mature toolchain outweigh the need for high-performance 32-bit cores. Devices with on-chip CAN are specifically positioned for automotive body and chassis networks, industrial fieldbus, and building-automation backbones where a CAN 2.0B controller simplifies bus arbitration. The AT89C51CC03CA integrates a full CAN 2.0B controller (15 message objects, programmable bit timing up to 1 Mbit/s), three 16-bit timer/counters, a hardware watchdog, dual UARTs, SPI, and a 10-bit ADC. With 1,000 write/erase cycle endurance on Flash, three-level program memory lock, and 4 KB of boot Flash for in-application re-programmability over UART or CAN, the device targets field-upgradable nodes and CAN bootloader implementations. The 32 programmable I/O lines on the 44-pin VQFP expose most of the 8051 peripheral set without external glue logic. Typical applications include CAN nodes in automotive body ECUs (door modules, seat controllers, lighting), industrial CANopen / DeviceNet slave nodes, HVAC controllers, building automation gateways, and sensor hubs that must communicate over an ISO 11898 bus. The combination of 64 KB Flash, 2 KB EEPROM for parameter storage, and an on-chip CAN controller lets engineers build a complete CAN node with no external protocol IC. The wide 3.0 V to 5.5 V supply range also supports both 3.3 V and legacy 5 V CAN transceivers without level shifting. When designing with this MCU, ensure the CAN bus termination, slew-rate, and common-mode voltage ratings of the external transceiver (such as MCP2551 or ATA6560) match the target network. The VQFP-44 thermal resistance is modest; at 40 MHz the core is well within junction limits, but a ground plane and decoupling close to VCC/AVCC pins are required to keep the ADC reference stable. This page synthesizes distributor pricing, drop-in VQFP-44 alternatives within the AT89 family, and practical design notes that go beyond the manufacturer datasheet.

USD $5,45 Auf Lager

AT89C51CC03CA-SLRUM

AT89C51CC03CA-SLRUM - 8-bit 8051 CAN MCU 64KB Flash 40MHz | Microchip

The Microchip (formerly Atmel) AT89C51CC03CA-SLRUM is an 8-bit 8051-compatible microcontroller featuring an integrated full CAN 2.0B controller, 64KB of in-system programmable Flash program memory (including 2KB boot Flash), 2KB EEPROM data Flash, and 2KB of internal SRAM, packaged in a 44-pin PLCC (16.6x16.6 mm). It runs at up to 40MHz in standard mode (6.66 MIPS) and supports the X2 clock-prescaler mode where 20MHz external crystal achieves 300ns instruction cycles. What is an 8051 CAN microcontroller? The 8051 is a CISC 8-bit microcontroller architecture originally introduced by Intel in 1980 and now maintained by NXP/Microchip/Atmel. A CAN-enabled variant integrates the Bosch CAN 2.0B controller on-chip, allowing the MCU to communicate on Controller Area Network bus lines without an external transceiver, while a small external CAN transceiver provides physical-layer signaling. Within the broader hierarchy, this part is a microcontroller > embedded controller > semiconductor IC. The 'CA' suffix denotes the 5V industrial variant; the 'SLRUM' suffix denotes the 44-PLCC package with industrial-grade operating temperature. Key features include 36 programmable I/O lines, full-duplex enhanced UART, SPI, dual 16-bit timers, three-level program memory lock, 1000 write/erase cycle endurance, hardware watchdog timer, dual data pointers for faster XRAM access, and 8-channel 10-bit ADC. The integrated CAN controller with 15 message objects eliminates the need for a separate CAN peripheral. Power-on reset and brown-out detection are built in. Architecturally, the device is built on a standard 8051 core enhanced with peripherals mapped into the SFR space. The 64KB code space is linear (no banking) and the 2KB EEPROM (HEF) is mapped into a dedicated data region with a small page buffer for write operations, allowing byte-level non-volatile storage without external EEPROM chips. Typical applications include industrial CAN-bus nodes (sensor interfacing, HVAC controls), automotive body controllers (comfort modules, lighting controllers), motor control via CANopen or DeviceNet, building automation nodes, and embedded instrumentation. The integrated CAN and EEPROM make it particularly attractive for distributed industrial nodes that must store calibration data locally. When designing with this part, allocate PCB area carefully: the PLCC-44 footprint is 16.6 mm square with J-leads, larger than QFP-44 alternatives. Decouple VCC with 100 nF + 10 µF close to the pins, and route the CANINT stack on a twisted pair with 120 Ω termination at each bus end. The boot-loader UART pins (RXD/TXD) must be accessible for ISP firmware updates. This page synthesizes current distributor stock and pricing, parametric drop-in alternatives from the same 8051/CAN family, and practical design notes (PLCC-44 footprint, CAN bus termination, EEPROM endurance) not found in the standalone datasheet.

USD $7,62 Auf Lager

AT89C51RD2-SLSUM

AT89C51RD2-SLSUM - 8-bit 80C51 Flash MCU, 64KB, 60MHz, 44-PLCC | Microchip

The Microchip AT89C51RD2-SLSUM is an 8-bit CMOS flash microcontroller from the 80C51 family, delivering 60 MHz CPU performance with 64 KB of on-chip flash memory and 2048 bytes of RAM in a 44-pin PLCC (16.6x16.6 mm) package. It operates from 2.7 V to 5.5 V across the industrial temperature range and integrates peripherals including three 16-bit timers, a programmable counter array, UART, SPI, hardware multiplier, dual data pointers, and a four-level interrupt priority controller. The flash memory supports both parallel and serial In-System Programming (ISP) with boot loader support and 100K erase/write cycle endurance. What is an 8051 microcontroller? The 8051 is a classic Harvard-architecture 8-bit CISC microcontroller originally introduced by Intel in 1980. It belongs to the broader category of microcontrollers -> single-chip microcomputers -> embedded processors -> semiconductor devices. Modern 8051 cores are widely used because they combine deterministic interrupt response, low power consumption, abundant code memory, and a simple instruction set, making them ideal for industrial control, consumer appliances, and legacy equipment migration. Key features of the AT89C51RD2-SLSUM include 64 KB single-voltage flash program memory, 2 KB SRAM with XRAM expansion to 1024 bytes, an 8-bit clock prescaler with two power-saving modes (Idle and Power-down), and a built-in hardware multiplier/divider. The flash endurance reaches 100 K erase/write cycles with 10-year data retention, and the chip supports 6-clock or 12-clock selectable operation modes. The architecture uses a 6-clock machine cycle per instruction (configurable to legacy 12-clock mode), giving it 1.8-2x performance advantage over the original 80C51. ACPI-based Idle and Power-down modes reduce current to under 50µA in Power-down with external interrupts or watchdog wake-up, suiting battery-backed designs. The hardware multiply/divide unit executes MUL AB in 4µs and DIV AB in 8µs at maximum frequency. Typical applications for the AT89C51RD2-SLSUM include industrial PLCs, motor control interfaces, smart metering, vending machines, HVAC thermostats, security alarm panels, and embedded white-goods controllers. The wide voltage range and ISP capability make it a strong choice for upgrading AT89S52 designs without PCB rework. Designers choose this part for its deterministic interrupt latency (six-way vectored interrupts) and proven toolchain (Keil C51, SDCC) compatibility. When designing with this device, ensure the ISP UART pins are not latched during reset to enable in-circuit firmware updates. The boot loader uses the PSEN pin to enter boot mode at reset - tie this pin high through a 10K resistor for normal application operation. Reference Microchip application note for ISP boot loader timing constraints. This page synthesizes distributor pricing, drop-in replacement candidates, and practical design notes for the AT89C51RD2-SLSUM not found in any single manufacturer document.

USD $5,22 Auf Lager

AT89S52-24PU

AT89S52-24PU - 8-bit 8051 MCU, 24MHz, 8KB Flash, 40-PDIP | Microchip

The Microchip (originally Atmel) AT89S52-24PU is a low-power, high-performance CMOS 8-bit microcontroller based on the industry-standard 8051 instruction set, housed in a 40-pin PDIP through-hole package. It integrates 8KB of In-System Programmable (ISP) flash memory, 256 bytes of RAM, four 8-bit I/O ports (32 I/O lines), three 16-bit timer/counters, a full-duplex UART, and a hardware watchdog timer, all operating from a 24MHz internal clock and a 4.0V to 5.5V supply. The "-24PU" suffix denotes the 24MHz speed grade and the PDIP-40 industrial-grade (-40C to +85C) package option. An 8051 microcontroller is a single-chip computer whose instruction set, register layout, and pinout are inherited from Intel's original 1970s-era MCS-51 family. In modern designs, the 8051 core sits at the entry level of the microcontroller hierarchy, occupying a lower tier of raw performance than 32-bit ARM Cortex-M parts but offering unmatched ecosystem maturity, deterministic timing, and a vast installed base of legacy code. The AT89S52 builds on this legacy by replacing the original 8051's mask ROM with 8KB of flash, allowing ISP field updates via the UART bootloader instead of an external EPROM programmer. Key differentiating features include 1000 write/erase flash endurance cycles, fully static operation (clock can be stopped for power saving), dual data pointers for fast XRAM block moves, and a programmable hardware watchdog for unattended fault recovery. The on-chip flash relieves designers of the cost and PCB area of an external boot ROM, and the ISP interface can re-flash the device in-circuit through the serial port without removing it from the board, which simplifies field firmware updates and reduces assembly-line rework. Architecturally, the AT89S52 uses a Harvard-style internal bus with separate program and data paths (the standard 8051 layout) and a 12-clock-per-machine-cycle core that yields one instruction every 500ns at 24MHz. The 8KB flash is mapped to the bottom of the 64KB code space, the 256-byte internal RAM occupies the lowest 256 bytes of the data space (with the upper 128-byte SFR region), and three interrupt sources are prioritized by the standard 8051 scheme. The robust 4.0V to 5.5V supply tolerance and 1000-cycle flash endurance make the device well suited to industrial-control, appliance, and hobby-embedded environments where software updates are infrequent and reliability outweighs throughput. Typical applications include industrial motor-control boards, HVAC thermostat controllers, security-panel keypads, low-cost consumer appliances, and educational breadboard projects that benefit from the 8051's instruction-set familiarity. The through-hole PDIP-40 form factor also makes it well suited to legacy retrofits and through-hole prototyping, where a QFP package would be impractical for hand assembly or rework. A key design consideration is the 8051 core's 12-clock-per-machine-cycle timing: at 24MHz, each instruction cycle is 500ns, which translates to roughly 1 MIPS throughput. When migrating code from higher-end 8051 derivatives (such as the AT89LP52 with 4-clock cycles), engineers must verify timing-critical ISRs, UART baud-rate tables, and timer reload values. Designers should also size the decoupling capacitor network (typically 100nF + 10uF bulk on VCC and AVCC) and configure the EA pin high for internal flash or low for external ROM. This page synthesizes current distributor pricing, drop-in pin-compatible 8051 alternatives, and practical design notes that go beyond the manufacturer datasheet, including which AT89S52 variants retain the original AT89S52 pinout and how the AT89LP52 migration differs electrically even though the package matches.

USD $2,30 Auf Lager

AT90CAN128-16MU

AT90CAN128-16MU - 16MHz 8-bit AVR MCU with CAN 128KB Flash | Microchip

The Microchip AT90CAN128-16MU is a high-performance, low-power 8-bit AVR RISC-based microcontroller combining 128 KB In-System Programmable flash memory, 4 KB EEPROM, 4 KB SRAM, 53 general-purpose I/O lines, and an on-chip CAN 2.0A/2.0B controller. It executes 133 powerful instructions, mostly in a single clock cycle, and runs at up to 16 MHz from a 4.5 V to 5.5 V supply, packaged in a 64-pin QFN (9 mm x 9 mm) outline. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), working RAM, and a rich set of peripherals (timers, communication controllers, ADC, GPIO). The AT90CAN128 belongs to the AVR 8-bit RISC family, where RISC (Reduced Instruction Set Computer) emphasizes one-cycle execution to deliver high throughput per MHz. In a system hierarchy, this part sits at the edge node: it acquires sensor signals, runs control firmware, and bridges to higher-level networks (here, a CAN bus) for distributed real-time communication. Key features include four flexible Timer/Counters with compare and PWM modes, two USARTs, a byte-oriented Two-Wire Serial Interface (TWI/I²C-compatible), an 8-channel 10-bit ADC, a JTAG debug interface, and a Real-Time Counter with separate oscillator. The on-chip CAN controller supports both standard (11-bit) and extended (29-bit) identifiers, making the device ideal for in-vehicle networking and industrial fieldbus nodes. The 53 GPIO pins are organized into seven ports (PA–PG), and most pins offer programmable internal pull-ups. Typical applications include automotive body and chassis ECUs, industrial CAN-based sensor networks, building automation gateways, and any embedded design requiring deterministic on-board communication plus generous Flash headroom for protocol stacks such as CANopen or DeviceNet. Its 128 KB of Flash also accommodates bootloader-based field upgrades. A practical design consideration is the 4.5 V to 5.5 V supply window: the part is not natively 3.3 V-tolerant, so level shifting is required when interfacing with 3.3 V peripherals. Designers should also follow the datasheet reference decoupling scheme (100 nF per VCC pin plus bulk capacitance) and respect the exposed-pad thermal pad connection on the QFN to minimize junction temperature. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving you a one-stop engineering reference for the AT90CAN128-16MU.

USD $7,43 Auf Lager

AT90CAN32-15AZ

AT90CAN32-15AZ - 8-bit AVR MCU, 16MHz, 32KB Flash, CAN, 64-Pin TQFP | Microchip Technology

The Microchip Technology AT90CAN32-15AZ is an 8-bit AVR RISC-based CMOS microcontroller, automotive-grade, integrating 32KB of in-system programmable Flash, 1KB EEPROM, and 2KB SRAM in a 64-pin TQFP package. It supports clock speeds up to 16MHz (15MHz speed grade suffix) and operates over a 2.7V to 5.5V supply range, with an automotive temperature grade of -40C to +125C. An 8-bit AVR microcontroller is a Harvard-architecture, single-cycle RISC processor optimized for deterministic embedded control. AVR MCUs belong to the broader category of microcontrollers (MCU) -> embedded processors -> semiconductors. The AT90CAN32-15AZ specifically belongs to the AT90CAN family, distinguished by an integrated CAN 2.0A/V2.0B (V2.0B compliant) controller that differentiates it from general-purpose AVR chips such as the ATmega series. Key features of the AT90CAN32-15AZ include: 53 general-purpose I/O lines, 32 general-purpose working registers, an 8-channel 10-bit ADC, advanced communication peripherals (CAN, I2C, SPI, UART/USART), and standard AVR on-chip peripherals including Brown-out Detect/Reset, Power-on Reset, PWM, and a Watchdog Timer. The CAN controller provides hardware frame handling, reducing host CPU overhead in distributed control networks. The AVR enhanced RISC architecture executes most instructions in a single clock cycle, delivering throughput approaching 1 MIPS per MHz. The automotive-grade designation (-AZ suffix) reflects qualification to AEC-Q100 standards, enabling deployment in powertrain, body, and chassis electronic control units. The wide supply voltage range allows direct operation from both 3.3V and 5V rails commonly found in automotive ECUs. Typical applications include automotive body control modules, CAN-based sensor networks, industrial CAN nodes, vehicle lighting controllers, and HVAC actuators. The integrated CAN peripheral eliminates the need for an external CAN controller, reducing BOM cost and PCB area in space-constrained modules. When designing with this device, ensure proper decoupling (100nF + 10uF) near the AVCC/AVSS analog supply pins, follow Microchip AN2461 for CAN bus termination, and verify the JTAG/debug pin assignments before laying out the PCB to avoid conflicts with general-purpose I/O. This page synthesizes distributor pricing, verified drop-in alternatives, and practical design guidance not consolidated in the manufacturer datasheet. Cross-references against AT90CAN64-15AZ, AT90CAN32-15AT, and AT90CAN128-15AZ confirm the same 64-pin TQFP footprint across the AT90CAN32/64/128 family.

USD $4,95 Auf Lager

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.

USD $11,50 Auf Lager

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.

USD $15,40 Auf Lager

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.

USD $9,55 Auf Lager

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.

USD $24,50 Auf Lager

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.

USD $5,08 Auf Lager

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.

USD $10,80 Auf Lager

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.

USD $9,74 Auf Lager

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.

USD $9,75 Auf Lager

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.

USD $11,42 Auf Lager

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.

USD $4,55 Auf Lager

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