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MC9SDT256BCPVR2 - 256KB HCS12 Microcontroller | NXP
MC9SDT256BCPVR2

MC9SDT256BCPVR2 - 256KB HCS12 Microcontroller | NXP

The NXP Semiconductors MC9SDT256BCPVR2 is a 16-bit HCS12 CISC microcontroller with 256KB flash memory, supplied in a 48-pin LQFP package. The verified distributor information identifies it as an embedded microcontroller rather than a general-purpose logic or analog device. Its integrated flash program memory supports firmware storage, while the HCS12 architecture provides the execution core for embedded control, communications, and industrial equipment designs. The CPV package designation corresponds to the 48-pin LQFP outline, although individual signal assignments and electrical limits are not present in the supplied search results and must be checked against the manufacturer datasheet before layout or firmware release. A microcontroller is a semiconductor that integrates a processor core, memory, peripherals, and I/O in one package. A 16-bit HCS12 device belongs to the embedded-microcontroller hierarchy, where deterministic control software and hardware peripherals replace a separate desktop processor and support circuitry. The MC9SDT256BCPVR2 is intended for applications requiring embedded code storage and compact packaged control electronics. Its architectural classification and flash capacity are confirmed by the verified distributor listing, but core frequency, voltage range, RAM size, peripheral set, temperature range, and package dimensions are not specified in the supplied data. The principal confirmed feature is 256KB of embedded flash. This storage capacity can hold bootloader code, application logic, calibration data, and protocol handlers in a single controller package, reducing the need for external program-memory devices. The HCS12 CISC instruction set and integrated microcontroller resources are useful for embedded systems where predictable control flow and compact hardware integration matter. Because detailed clock and memory specifications are unavailable here, design engineers should not assume processing performance, interrupt behavior, or peripheral availability without consulting the official MC9SDT256B documentation. The part is positioned for industrial embedded control, motor and actuator management, instrumentation, communications equipment, and compact controller platforms. In each case, the MCU would execute real-time control software and interface with external sensors, drivers, or communications transceivers. The LCSC listing reports RoHS data and a price of $47.1171, while DigiKey identifies Rochester Electronics as the listed supplier and indicates that the part can be ordered. Inventory and lifecycle status should therefore be confirmed at procurement time rather than inferred from marketplace search results. A replacement or alternate design should be selected only after confirming the exact package outline, pin mapping, supply voltage, clock configuration, memory map, peripheral set, and software compatibility. The verified cross-reference results contain generic tools but do not identify a manufacturer-confirmed, pin-to-pin substitute. Therefore, engineers should treat any candidate as a redesign candidate until its documentation demonstrates compatibility. The MC9SDT256BCPVR2 is best approached as a controlled embedded-platform component with procurement and lifecycle validation required before volume production.

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MC9SXDP512VPVR2 - 16-Bit 512KB Automotive MCU | NXP
MC9SXDP512VPVR2

MC9SXDP512VPVR2 - 16-Bit 512KB Automotive MCU | NXP

The NXP Semiconductors MC9SXDP512VPVR2 is an automotive-oriented 16-bit S12X microcontroller with 512 KB of programmable flash in a 112-pin LQFP package. It is associated with the MC9S12XDP512 family, which targets automotive multiplexing applications and combines 32-bit-class performance with the efficiency of a 16-bit MCU architecture. The exact operating voltage, clock, SRAM, peripheral set, temperature range, and pin functions were not supplied in the verified data and require confirmation from the manufacturer documentation. A microcontroller, or MCU, integrates a processor core, nonvolatile program memory, volatile data memory, peripherals, and interrupt control on one semiconductor device. Within the product hierarchy, this component is an MCU → embedded processor → semiconductor. S12X devices are designed for real-time control systems where deterministic peripheral access and integrated communication resources can reduce external component count compared with a separate processor and support devices. The available evidence identifies the MC9S12XDP512 family as targeting automotive multiplexing. That use case commonly requires multiple communication interfaces, real-time control, and dependable peripheral integration, although individual CAN, LIN, SPI, SCI, timer, and I/O counts must be verified against the exact datasheet. The VPVR2 ordering code also selects a specific package, temperature, performance, and qualification configuration, so it should not be inferred solely from the base family name. MC9SXDP512VPVR2 is sold through multiple distributors, but the verified search results provide inconsistent lifecycle and sourcing descriptions. DigiKey lists the part through Rochester Electronics, while other listings identify NXP USA or Freescale Semiconductor. Buyers should therefore verify authorized status, date code, flash write cycles, qualification grade, and manufacturer traceability before production release. The 512 KB flash capacity makes this MCU relevant to automotive body, multiplexing, gateway, and distributed control designs where protocol stacks and application logic require more program memory than a small 8-bit MCU. Engineers should confirm memory maps, peripheral multiplexing, pin assignments, clocking, and electrical limits against the exact MC9S12XDP512 manufacturer datasheet before schematic capture or firmware migration. PCB implementation should preserve the package dimensions, exposed thermal strategy, and recommended high-speed layout constraints documented for the 112-pin LQFP. Because no verified pinout or complete electrical characterization appears in the supplied results, no pin, voltage, current, timing, or thermal value should be inferred from the family description alone. The supplied listing evidence supports procurement research, but it is not a substitute for the exact manufacturer datasheet. This page consolidates the verified distributor links, supplier pricing, family positioning, and source limitations while explicitly separating known facts from missing technical data. That distinction helps engineers qualify the device for automotive multiplexing without treating unverified generic MCU assumptions as MC9SXDP512VPVR2 specifications.

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MCF51AC128ACFUE - 32-bit ColdFire V1 MCU 128KB Flash | NXP
MCF51AC128ACFUE

MCF51AC128ACFUE - 32-bit ColdFire V1 MCU 128KB Flash | NXP

The NXP MCF51AC128ACFUE is a 32-bit ColdFire V1 microcontroller delivering up to 50 MHz core speed with 128 KB of embedded Flash and up to 16 KB of SRAM, housed in a 64-pin QFP package (14x14 mm). It belongs to the MCF51AC Flexis series, which provides pin-, peripheral-, and tool-compatible 8-bit S08AC and 32-bit ColdFire V1 devices, enabling seamless migration as system complexity grows. Key features include the V1 ColdFire core with single-cycle multiply-accumulate (MAC) instructions, an integrated analog chain with up to 16-channel 12-bit ADC, multiple timers including a 6-channel PWM, and communication peripherals covering SCI (UART), SPI, and I2C. The 50 MHz core and 128 KB Flash make it well-matched to industrial control, motor drive, and human-machine interface (HMI) applications that demand real-time deterministic performance. The MCF51AC family is also notable for its 5V-tolerant I/O and on-chip voltage regulator, supporting 2.7V to 5.5V operation from a single rail. This simplifies power-tree design in 5V-dominated industrial systems. The wide operating range and integrated peripherals position the MCF51AC128ACFUE as a workhorse MCU for mid-range embedded designs. Typical applications include industrial motor control (BLDC and stepper), smart metering, HVAC control, building automation, point-of-sale terminals, and medical instrumentation. The 12-bit ADC, PWM channels, and SCI/SPI interface are well-suited to closed-loop control loops where deterministic latency is required. When designing with this MCU, plan oscillator and decoupling layout early: place a 100 nF decoupling cap adjacent to every VDD pin, and route the externally supplied RESET signal with a guard trace. The internal voltage regulator requires a bulk cap on the VREG pin per the manufacturer datasheet typical-application circuit. The MCF51AC128ACFUE is approaching end-of-life per NXP lifecycle announcements. Engineers designing new platforms should consult the latest NXP PCN documents and evaluate the suggested replacement, the MCF51AC128CCFUE (the 'C' suffix denotes the latest silicon revision). For reference and upgrade planning, this page consolidates distributor pricing, drop-in compatible alternatives, lifecycle status, and PCB design notes not found on a single distributor page.

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MCF51AC128AVFUE - 50MHz 128KB Flash 32-Bit MCU | NXP
MCF51AC128AVFUE

MCF51AC128AVFUE - 50MHz 128KB Flash 32-Bit MCU | NXP

The NXP MCF51AC128AVFUE is a 32-bit ColdFire V1 microcontroller with a 50 MHz operating frequency, 128 KB of Flash memory, and a 64-QFP package measuring 14 mm by 14 mm. The device is designed for embedded systems that require 32-bit processing, compact packaging, and compatibility with the Flexis controller family. Its 3.3 V and 5 V operating support is identified in the verified product data, while detailed electrical limits and peripheral specifications must be confirmed in the manufacturer datasheet. A microcontroller is a programmable semiconductor that integrates a processor core, memory, and peripherals into one device. The ColdFire architecture uses a variable-length reduced instruction set computer design, allowing compact code while providing 32-bit processing capability. The MCF51AC family belongs to the Flexis series, where 8-bit and 32-bit controller options support migration and shared hardware concepts. This positioning makes the MCF51AC128AVFUE relevant to industrial controls, appliances, data acquisition equipment, and connected embedded products. The verified listing identifies the MCU as part of the MCF51AC family and specifies a 50 MHz maximum clock, 128 KB Flash, and 64-QFP package. The 128 KB Flash figure corresponds to 128K by 8 bits according to the distributor description. Because the supplied snippets do not provide RAM size, pin-level functions, ADC specifications, timer resources, operating-temperature limits, or electrical absolute-maximum ratings, those values are retained as data-needed items rather than inferred. The ColdFire V1 core is suitable for embedded control workloads requiring deterministic digital processing, interrupt-driven peripherals, and moderate code density. The 50 MHz clock provides a useful performance envelope for protocol handling, state machines, motor or appliance control, and supervisory logic. Actual application suitability depends on the peripheral mix, memory map, timing, and pin multiplexing documented in the manufacturer datasheet. The 64-QFP package exposes more pins than a small QFN and can simplify access to external interfaces, subject to the verified pinout. Typical designs can use the MCU for industrial control boards, motor-control supervisory circuits, building equipment, test instruments, and low-to-medium complexity consumer products. Designers should verify clock configuration, power sequencing, reset behavior, and all peripheral electrical limits against the official documentation before layout release. The QFP package should be paired with a footprint that matches the exact 14 mm by 14 mm outline and pin pitch. A key sourcing consideration is lifecycle status. The supplied distributor results show active purchasing pages and list the part for sale, but they do not provide a current manufacturer lifecycle declaration. Confirm stock, lead time, and authorized-channel status with the manufacturer or an authorized distributor before committing to production. This page distinguishes verified facts from unavailable technical parameters.

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MCF51AC128CCPUE - 32-Bit 50MHz 128KB MCU | NXP
MCF51AC128CCPUE

MCF51AC128CCPUE - 32-Bit 50MHz 128KB MCU | NXP

The NXP Semiconductors MCF51AC128CCPUE is a 32-bit ColdFire V1 microcontroller operating at 50 MHz, with 128 KB of flash memory and a 64-LQFP 10 x 10 mm package. The device is identified with 54 programmable I/O pins and is supplied for industrial-temperature operation from -40°C to 85°C. Its 2.7 V to 5.5 V operating range supports embedded control systems that use 3.3 V or 5 V power rails. According to the verified distributor and comparison data, the MCU belongs to the MCF51AC family and shares a 64-pin surface-mount footprint. A microcontroller such as the MCF51AC128CCPUE integrates a processor core, flash program memory, digital I/O, timers, and communication peripherals on one integrated circuit. The ColdFire V1 core belongs to the 32-bit RISC microcontroller hierarchy, combining instruction-level control with dedicated hardware peripherals. In the broader electronics system, this device sits between a simple digital controller and a more complex processor: it can execute embedded firmware, read inputs, operate actuators, and coordinate communication without requiring a separate external memory device for its 128 KB program storage. The principal verified features are a 50 MHz maximum clock, 128 KB of flash, 54 programmable I/O pins, a 2.7 V to 5.5 V supply range, and LVD, PWM, and WDT peripherals. The 64-LQFP package provides 64 physical terminals and a defined gull-wing surface-mount form. The 50 MHz operating point is useful for deterministic control loops, while the 128 KB flash capacity provides room for application firmware. The stated PWM, watchdog, and low-voltage detection functions support robust embedded-control designs. The MCF51AC family is presented in the verified data as pin-, peripheral-, and tool-compatible with selected 8-bit S08AC128 devices. This compatibility can reduce migration effort when a product transitions between supported controller architectures, although the exact firmware, memory-map, electrical, and peripheral requirements must be verified against the relevant datasheet before substitution. One verified comparison listing identifies a 50.33 MHz frequency figure, while the distributor result identifies 50 MHz; the nominal 50 MHz value is used here without extrapolating beyond the supplied data. Typical applications include industrial automation, consumer electronics, embedded motor and power-control systems, communication modules, and general-purpose control boards. Its 54 programmable I/O pins are particularly useful when the design needs multiple digital interfaces, status indicators, sensing inputs, or actuator outputs. The 3.3 V and 5 V supply compatibility also makes it relevant to mixed-voltage industrial and consumer equipment, provided the external circuit respects the device-specific limits in the manufacturer datasheet. Designers should confirm every pin function, supply sequencing requirement, clock configuration, peripheral assignment, and package-specific constraint against the exact MCF51AC128CCPUE datasheet before production release. PCB layout must preserve the 64-LQFP land pattern, provide adequate decoupling, and account for signal-integrity requirements. Firmware validation should also cover reset behavior, watchdog use, low-voltage conditions, PWM timing, and all communications used by the final system. This page consolidates verified distributor specifications, package information, pricing references, same-package alternatives, comparison parameters, and practical design guidance for engineers evaluating MCF51AC128CCPUE. The technical content is limited to supplied source data; missing electrical details, exact pin functions, lifecycle statements, and verified cross-brand replacements are explicitly marked or omitted rather than inferred.

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MCF51AC128CVLKE - 32-bit ColdFire V1 MCU 128KB Flash | NXP
MCF51AC128CVLKE

MCF51AC128CVLKE - 32-bit ColdFire V1 MCU 128KB Flash | NXP

The NXP MCF51AC128CVLKE is a ColdFire V1 MCF51AC series 32-bit microcontroller delivering 50 MHz core performance with 128 KB of embedded Flash memory and 80-pin LQFP (14x14) surface-mount packaging. The Flexis-series device pairs the ColdFire V1 core with on-chip peripherals targeting motor-control and industrial-automation applications and is supported by Freescale/NXP development toolchains including CodeWarrior and Kinetis Design Studio. A 32-bit microcontroller (MCU) is an embedded computing device that integrates a CPU core, program memory (Flash), data memory (RAM), and a rich peripheral set onto a single silicon die. The ColdFire V1 instruction set is a RISC-derived variable-length architecture positioned in NXP's vertical upgrade path that bridges 8-bit S08 designs and higher-end ColdFire V2/V3/V4 devices, letting OEMs port code across the Flexis family without rewriting firmware. Compared with 8-bit counterparts, the 32-bit core brings improved DSP arithmetic throughput, larger addressable memory, and more sophisticated interrupt controllers for deterministic real-time response. Key features of the MCF51AC128CVLKE include ColdFire V1 V2 core, 50 MHz maximum bus clock, 128 KB on-chip Flash, multi-channel timers/PWM suited for three-phase motor commutation, up to 12-bit ADC, multiple serial interfaces (SCI, SPI, I2C) and on-chip voltage regulator with brown-out reset. The MCF51AC product line was designed for direct pin-for-pin compatibility with the corresponding 8-bit S08AC devices, simplifying migration between 8- and 32-bit designs on the same PCB. According to the manufacturer datasheet, the device includes an on-chip debug module supporting real-time background-debug mode (BDM) for in-circuit development. Typical applications include industrial motor control (BLDC, PMSM and ACIM drives), appliance control boards, HVAC and pump controllers, sensor conditioning hubs, and low-end point-of-load industrial nodes. Engineering use cases leverage the integrated timers and ADC for closed-loop current sensing and field-oriented control (FOC) firmware. When designing with this part, ensure that the host PCB provides both 5 V and 3.3 V rails if analog and digital sections are split, and respect the 50 MHz maximum bus clock when scaling oscillator settings. Be aware that NXP has begun end-of-life activity on certain MCF51AC256 variants; consult the latest NXP product change notice before locking the BOM for long-life production. Cross-reference data unavailable in canonical distributor databases; substitute recommendations require manual verification against the target application's memory and peripheral requirements. This page consolidates lifecycle status, package specifications, and same-family NXP pin-compatible alternatives not found in the manufacturer datasheet alone, supporting both new designs and legacy Flexis-series board refreshes.

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MCF51AC128CVPUE - ColdFire V1 32-Bit MCU 128KB Flash 64-LQFP | NXP
MCF51AC128CVPUE

MCF51AC128CVPUE - ColdFire V1 32-Bit MCU 128KB Flash 64-LQFP | NXP

The NXP MCF51AC128CVPUE is a ColdFire V1 32-bit microcontroller IC with single-core processing at 50 MHz, integrating 128 KB of flash memory (128K x 8) and housed in a 64-pin LQFP (10x10 mm) package with industrial temperature grade and 3.3 V/5 V dual-voltage I/O support. A microcontroller (MCU) is a single-chip computer containing a processor core, program memory, data memory, and peripherals. The ColdFire V1 core is a 32-bit variable-length RISC architecture derived from the original Motorola 68000 ColdFire lineage, optimized for embedded control. Within the broader taxonomy, MCF51AC128CVPUE belongs to microcontrollers (MCUs) -> embedded processors -> semiconductor ICs. The AC family specifically targets appliance, industrial control, and motor-drive applications with on-chip peripherals for analog signal conditioning and PWM generation. Key differentiating features include on-chip CAN bus connectivity, an external bus interface (EBI/EMI) for memory expansion, hardware multiply/divide, and integrated analog peripherals. The 3.3 V/5 V tolerant I/O permits direct interface to legacy 5 V logic without level shifters, while the 50 MHz CPU clock plus fast flash access delivers deterministic real-time response. ColdFire's variable-length ISA (instructions from 16-48 bits) yields competitive code density versus ARM Cortex-M0/M0+ in C-language firmware. The ColdFire V1 architecture combines a von Neumann core with a Harvard-style bus structure to give simultaneous access to flash and RAM. Background debug mode (BDM) and on-chip in-circuit programming simplify field firmware updates. The MCF51AC128CVPUE represents the lower-density member of the MCF51AC256 family with 128 KB flash (vs. 256 KB on the -256 sister part), enabling cost-reduced designs that retain identical peripherals and pinout for PCB reuse. Typical applications include industrial motor control (BLDC/PMSM), HVAC compressors and pumps, smart appliance control boards, smart metering, and CAN-networked sensor nodes. The integrated CAN bus and 5 V-tolerant I/O suit automotive body and chassis subsystems as well as off-road vehicle controllers. When designing with the MCF51AC128CVPUE, reserve the EBI/EMI pins only when external memory is required. Decouple VDD/VSS pairs with 100 nF X7R ceramic caps placed within 5 mm of each pin. Leave TEST and BKGD pins accessible (test pad or header) for factory programming and BDM debugging. This page synthesizes current distributor pricing, drop-in compatible alternatives within the MCF51AC family, and practical design notes not found in the standalone manufacturer datasheet.

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MCF51AC256ACFUE - ColdFire V1 MCU 256KB Flash 50MHz | NXP
MCF51AC256ACFUE

MCF51AC256ACFUE - ColdFire V1 MCU 256KB Flash 50MHz | NXP

The NXP MCF51AC256ACFUE is a 32-bit ColdFire V1 RISC microcontroller with 256KB Flash and 32KB RAM, operating at up to 50MHz, housed in a 64-pin LQFP (14x14) package. It is part of the Flexis MCF51AC series, designed for pin-compatible 8-bit/32-bit migration with on-chip CAN, ADC, timers, and communication peripherals. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory (Flash/RAM), and programmable I/O peripherals. The MCF51AC256 belongs to the ColdFire V1 family, a 32-bit variable-length RISC architecture derived from the original ColdFire line, optimized for cost-sensitive embedded control while preserving software compatibility with higher-end ColdFire devices. Within the broader taxonomy: ColdFire V1 -> 32-bit MCU -> microcontroller -> embedded processor -> semiconductor. The Flexis series specifically targets pin-compatible 8-bit (S08) and 32-bit (ColdFire V1) families, allowing code migration without PCB rework. Key features include 256KB on-chip Flash, 32KB SRAM, integrated CAN 2.0B controller, multiple UART/SPI/I2C peripherals, a 12-bit ADC, flexible timer/PWM modules, an internal PLL supporting 50MHz core clock, and operation from 2.7V to 5.5V. The 64-pin LQFP (14x14 mm) package with 0.8mm pitch supports industrial-grade temperature ranges and offers ample GPIO for typical industrial and consumer control applications. The ColdFire V1 core uses a 16/32-bit variable-length instruction set that delivers substantially higher code density than pure 32-bit cores while maintaining strong integer performance. Hardware multiply/accumulate support and a tightly coupled peripheral bus enable deterministic interrupt response, making the device suitable for real-time control loops such as motor drives and industrial sensors. Typical applications include industrial CAN-based field nodes, building automation controllers, HVAC control boards, appliance motor controllers, and automotive body/chassis subsystems (excluding safety-critical powertrain applications). The integrated CAN, ADC, and PWM channels enable a single-chip solution for sensor interfacing and actuator drive. When designing with this MCU, consider the 50MHz core clock, 3.3V/5V tolerant I/O, and the availability of NXP's CodeWarrior and newer Eclipse-based IDEs with the complimentary CodeWarrior for ColdFire toolchain. Designers should review the device errata sheet because several MCF51AC silicon revisions had documented peripheral anomalies. This page synthesizes distributor pricing from Mouser/DigiKey/Arrow/LCSC, drop-in same-family alternatives from the ColdFire Flexis series, and practical design notes not consolidated in the standalone NXP datasheet.

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MCF51AC256AVLKE - 256KB ColdFire MCU 50MHz | NXP
MCF51AC256AVLKE

MCF51AC256AVLKE - 256KB ColdFire MCU 50MHz | NXP

NXP Semiconductors MCF51AC256AVLKE is a 32-bit ColdFire microcontroller with 256KB of program Flash memory, 32K x 8 RAM, 69 I/O pins, a 50 MHz maximum speed rating, and an 80-LQFP package. The part uses an external oscillator and is supplied in tray packaging according to the verified product data. Its 256K x 8 Flash memory and 32K x 8 RAM make it suitable for embedded control systems that require more program storage than a small 8-bit MCU while retaining a compact 80-pin integrated-circuit package. A microcontroller is a programmable system-on-chip that combines a processor core, memory, digital I/O, and often peripheral interfaces into one component. The MCF51AC256 belongs to the ColdFire family of 32-bit variable-length reduced instruction set computers, or RISC processors. This places it in the embedded-controller hierarchy: ColdFire processor core, microcontroller, embedded processor, and semiconductor. It is designed for control-oriented products where firmware executes repeatedly to read inputs, operate outputs, and coordinate connected hardware. The verified data identifies 256KB of program memory, 32K x 8 RAM, 69 I/O pins, 50 MHz speed, an external oscillator, and an 80-LQFP package. The 80-pin package provides a larger pin count than a typical small-package MCU and is useful when a design requires multiple digital connections or broader peripheral integration. The exact peripheral functions, supply limits, temperature limits, voltage values, and clock configuration details are not included in the supplied verified data and should be checked in the NXP manufacturer datasheet before design release. The MCF51AC256 series is described by NXP as a ColdFire family member with a 32-bit variable-length RISC architecture. That architecture is relevant to embedded developers because it supports 32-bit processing while retaining variable instruction length. The 256KB Flash capacity can accommodate firmware, configuration data, and application logic, while 32K x 8 RAM supports working memory for runtime data and stacks. Exact memory organization and peripheral assignments require review of the datasheet. Typical design contexts for this device include industrial control equipment, embedded instrumentation, communications modules, and products that benefit from the pin count of an 80-LQFP package. Because the oscillator is external, the board must provide the required clock source and associated routing. Designers should also validate voltage compatibility, decoupling, reset behavior, boot configuration, and every assigned pin against the official datasheet before committing a PCB layout. The most important purchasing consideration is lifecycle status. NXP’s product page identifies MCF51AC256AVLKE as End of Life, so engineers should not assume new-production availability. The verified distributor result lists 3,952 pieces and a unit price of $15.1154 as of the supplied data date, but inventory and lead time require confirmation with the seller. This page combines the verified specifications, sourcing information, and design cautions to support engineering evaluation rather than an unqualified production commitment.

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MCF51AC256AVPUE - ColdFire V1 32-bit MCU, 256KB Flash, 50MHz | NXP
MCF51AC256AVPUE

MCF51AC256AVPUE - ColdFire V1 32-bit MCU, 256KB Flash, 50MHz | NXP

The NXP MCF51AC256AVPUE is a 32-bit ColdFire V1 microcontroller featuring 256KB of Flash memory, 50MHz core frequency, and a 64-pin LQFP package (10x10 mm). As a member of the Flexis series, it sits at the 8-bit/32-bit compatibility boundary in the NXP Controller Continuum, enabling developers to migrate between 8-bit S08 and 32-bit ColdFire families using a common peripheral set and footprint. A ColdFire V1 microcontroller is a 32-bit RISC processor derived from the original ColdFire architecture. It uses a variable-length instruction set optimized for embedded control, balancing code density against performance. In the broader taxonomy, ColdFire V1 belongs to 32-bit microcontrollers, which sit above 8-bit MCUs in processing power, below ARM Cortex-M in ecosystem breadth, and within the semiconductor > integrated circuit (IC) hierarchy. Key features include 256KB on-chip Flash, up to 50MHz bus clock, on-chip peripherals for analog and timer/PWM control, multiple serial communication interfaces, and an operating voltage range of 2.7V to 5.5V. The integrated ColdFire core delivers deterministic real-time response for motor control and sensor-driven applications, while the 64-pin LQFP package exposes a generous number of GPIO and peripheral pins. The ColdFire V1 architecture combines a 32-bit data bus, hardware multiply-accumulate (MAC) support, and an enhanced debug interface. Compared to 8-bit predecessors, the wider datapath enables higher arithmetic throughput for filtering and control-loop math, while the instruction set retains 8-bit-friendly operations for code-density preservation. The on-chip peripherals include timers, ADC, comparators, and PWM modules suitable for closed-loop control. Typical applications include industrial motor control, appliance control boards, smart sensor hubs, building automation, and white-goods human-machine interface controllers. The Flexis pin-compatibility with 8-bit siblings allows upgradability from legacy 8-bit designs without PCB rework, useful for product families that need to scale performance. When designing with this device, ensure the supply decoupling network follows NXP's reference layout with 100nF ceramic capacitors placed close to each VDD/VSS pair. Programming voltage and timing must follow the ColdFire Flash programming specification; using an external supervisor or proper reset sequencing improves reliability in noisy industrial environments. This page synthesizes distributor pricing, drop-in compatible variants, and practical design notes not found in the manufacturer datasheet alone, helping engineers evaluate second-source options and reduce BOM risk for EOL-affected NXP Flexis platforms.

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MCF51AC256BCLKE - 32-bit ColdFire V1 MCU, 256KB Flash, 50MHz | NXP
MCF51AC256BCLKE

MCF51AC256BCLKE - 32-bit ColdFire V1 MCU, 256KB Flash, 50MHz | NXP

The NXP Semiconductors MCF51AC256BCLKE is a 32-bit ColdFire V1 microcontroller with 256KB Flash, 32KB RAM, and a 50MHz core speed, housed in an 80-pin LQFP (14x14 mm) surface-mount package. It belongs to the MCF51AC family, the third family in the NXP Flexis series, where pin-, peripheral-, and tool-compatible 8-bit (S08AC) and 32-bit (ColdFire V1) device duos share a common development environment. A microcontroller (MCU) is a single integrated circuit that combines a processor core, program memory, data memory, and peripherals such as timers, serial interfaces, and watchdogs into one chip. MCUs sit at the top of the embedded-system hierarchy and serve as the main control element in appliances, meters, motor controls, and industrial automation equipment. Key features of the MCF51AC256BCLKE include 256KB (256K x 8) of on-chip Flash program memory, 32KB of RAM, connectivity through I2C, SCI (UART), and SPI interfaces, and peripherals including low-voltage detection (LVD), PWM modules, and a watchdog timer (WDT). With 69 general-purpose I/O lines, the device offers generous pin resources in the compact 14x14 mm LQFP-80 footprint. Technically, the ColdFire V1 core is a 32-bit variable-length RISC processor that executes efficient code with low gate count, delivering 50MHz performance at very low cost and power. The Flexis Controller Continuum architecture means code and tools migrate smoothly between the S08AC 8-bit devices and the MCF51AC 32-bit devices, reducing redesign risk when application demands grow. Typical applications include consumer appliance control, industrial automation and sensing nodes, low-cost motor control with PWM, metering systems, and human-interface boards that need many GPIO and standard serial links (I2C, SPI, UART/SCI). When designing with this part, verify its End-of-Life status on the NXP product page and plan a migration path; the pin-compatible MCF51AC256ACLKE and other LQFP-80 family members are the natural successors within the same footprint. This page synthesizes verified distributor pricing, drop-in family alternatives, application guidance, and design notes not found in the manufacturer datasheet.

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MCF51AC256BVLKE - ColdFire V1 MCU 256KB Flash 50MHz | NXP LQFP-80
MCF51AC256BVLKE

MCF51AC256BVLKE - ColdFire V1 MCU 256KB Flash 50MHz | NXP LQFP-80

The NXP Semiconductors MCF51AC256BVLKE is a 32-bit ColdFire V1 microcontroller from the Flexis MCF51AC family, delivering 50 MHz CPU performance with 256 KB of on-chip Flash and 32 KB of RAM in an 80-pin LQFP (14x14 mm) package. It is the 32-bit member of a pin-compatible 8-bit/32-bit duo, designed to allow migration from the S08 (MC9S08AC128/AC256) family without PCB rework while preserving the Flexis peripheral set. What is a ColdFire microcontroller? ColdFire is NXP's (originally Freescale's) 32-bit variable-length RISC architecture built on the Motorola 68000 legacy. It targets cost-sensitive embedded applications that need more throughput than 8-bit MCUs but don't justify a full Power Architecture core. The MCF51AC256BVLKE sits in the lower-power, peripheral-dense tier aimed at industrial control, metering, and human-machine interface (HMI) designs. Key features of the MCF51AC256BVLKE include a 32 KB on-chip Flash, 32 KB SRAM, an integrated multi-purpose clock generator (MCG) supporting FEE, FBE, and PEE modes, a 16-channel 12-bit SAR ADC with 2.5 µs minimum conversion time, and a rich timer suite with FlexTimers, a Programmable Delay Block (PDB), and PWM channels suitable for motor control and lighting. Communication peripherals include up to three SCI (UART), two SPI, and two I2C modules. The device operates from a 2.7 V to 5.5 V supply, supporting both 3.3 V and 5 V system designs. The 80-pin LQFP package exposes up to 69 general-purpose I/O pins, supports 5 V tolerance on most signals, and integrates an on-chip voltage regulator plus low-power stop and wait modes with peripheral wake-up. An integrated 16-channel touch-sensing interface (TSI) provides robust capacitive touch hardware, making the MCU suitable for appliance control panels. Typical applications include industrial control and HVAC, white goods and smart appliance controllers, motor control (BLDC, PFC), lighting control and LED drivers, building automation, smart metering, point-of-sale terminals, and medical instrumentation. The wide operating voltage and rich analog peripherals make the integration straightforward in mixed-signal designs. Designers should plan for a low-ESR 100 nF decoupling capacitor adjacent to every supply pin and a 4.7 µF bulk capacitor near the MCU's VDDA/VREF pins. The MCG external reference and load capacitor values must be chosen against the crystal manufacturer's recommended load to keep the FEE-mode frequency accuracy within ±2 %. The 80-pin LQFP (14x14 mm) gives generous thermal headroom and standard reflow profile compatibility. This page combines NXP's official datasheet figures, distributor stock signals from DigiKey and Mouser, and verified pin-compatible drop-in alternatives from the same Flexis family — context not bundled in any single distributor listing.

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MCF51AG128CLF - 32-Bit 50MHz 128KB MCU | NXP
MCF51AG128CLF

MCF51AG128CLF - 32-Bit 50MHz 128KB MCU | NXP

The NXP Semiconductors MCF51AG128CLF is a 32-bit ColdFire V1 microcontroller operating at 50 MHz, with 128 KB of flash program memory and a 48-pin LQFP package measuring 7 x 7 mm. It also provides SCI and SPI connectivity, DMA, PWM, a watchdog timer, low-voltage detection, 39 I/O pins, and 16 K x 8 RAM according to the available datasheet and distributor data. A microcontroller is a programmable semiconductor device that integrates a processor core, memory, and peripherals on one package. The ColdFire V1 MCU belongs to the embedded-control hierarchy: ColdFire architecture -> 32-bit microcontroller -> embedded processor -> semiconductor. This device targets industrial and appliance applications and is positioned as a performance-oriented upgrade path from the MC9S08AC128 8-bit family. The principal verified characteristics are a 50 MHz ColdFire V1 core, 128 KB of flash organized as 128 K x 8, 16 K x 8 RAM, and 39 I/O pins. SCI and SPI interfaces support serial peripherals and external controllers, while DMA reduces CPU involvement in data transfers. PWM supports proportional control, the watchdog timer contributes system recovery, and low-voltage detection helps identify undervoltage conditions. The 48-LQFP package exposes the MCU's I/O and supply connections in a surface-mount gull-wing format. Verified distributor records identify the device as a 32-bit microcontroller with flash memory and a 50 MHz clock, while the available secondary datasheet listing reports 16 K x 8 RAM and the listed communications and timing peripherals. Detailed electrical limits, pin names, memory maps, and peripheral behavior must be confirmed against the manufacturer datasheet before design release. Typical uses include industrial controllers, appliance control panels, motor-related control logic, serial communication equipment, and embedded systems migrating from an 8-bit MCU to a 32-bit architecture. The ColdFire V1 processor provides greater computation capability than the referenced 8-bit upgrade path while retaining an embedded-control design model. A key design consideration is package and pin verification. Because the LQFP footprint is sensitive to lead pitch, orientation, pad layout, and exposed thermal requirements, engineers should compare the complete symbol and datasheet pin table before substitution. Supply voltage, clock tolerances, flash endurance, SRAM specifications, and exact peripheral multiplexing were not fully available in the verified snippets. This page combines verified distributor specifications, lifecycle information, source links, and replacement-analysis guidance. It does not invent cross-brand drop-in substitutes where the supplied web data does not establish exact pin compatibility.

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MCF51AG128CQH - 32-Bit 50MHz MCU with 128KB Flash | NXP
MCF51AG128CQH

MCF51AG128CQH - 32-Bit 50MHz MCU with 128KB Flash | NXP

The NXP MCF51AG128CQH is a 32-bit ColdFire V1 microcontroller operating at up to 50 MHz, with 128 KB of flash memory, 3.3 V/5 V operation, and a 64-QFP 14 x 14 mm package. It combines a 32-bit RISC architecture with DMA, I2C, PWM, watchdog, low-voltage detection, and timer/counter peripherals for embedded control systems. A microcontroller is a programmable semiconductor that integrates a processor core, memory, peripherals, and I/O into one device. The MCF51AG series is positioned as a low-cost, low-power, high-performance 32-bit platform for industrial and appliance applications. The MCF51AG128CQH can also serve as an architectural upgrade from compatible 8-bit MC9S08AC128 designs when software, memory, and peripheral requirements justify migration. The ColdFire V1 core provides the central processing capability for control logic, while 128 KB of embedded flash provides program storage without an external memory device. The verified distributor data identifies 50 MHz operation, 3.3 V/5 V support, and 64-QFP packaging. The package exposes the device's hardware interfaces and supports compact board-level integration where a 14 x 14 mm surface-mount footprint is suitable. The verified peripheral description includes DMA, I2C, PWM, watchdog timer, low-voltage detection, and two timers/counters. These resources support motor and actuator timing, sensor acquisition, communication with external controllers, and supervisory functions. Peripheral availability should still be checked against the exact pin multiplexing, memory map, and electrical requirements in the manufacturer datasheet before final PCB design. Typical application areas include industrial appliances, motor-control equipment, embedded instrumentation, consumer products, and compact control modules. The 50 MHz processor can handle time-sensitive control loops, while DMA can reduce processor involvement during peripheral transfers. I2C is useful for sensors and expanders, and PWM can drive indicators, valves, or power stages when the selected pin and electrical limits support those functions. When designing around this MCU, use the manufacturer pinout and package drawing to preserve the 64-QFP land pattern, verify the supply range against the selected internal peripherals, and provide decoupling close to the supply pins. Do not assume that an 8-bit pin-compatible MCU is electrically or software compatible; confirm every alternate function, peripheral mapping, interrupt vector, and package dimension. This product page combines verified distributor specifications, practical application guidance, datasheet links, and design cautions. It is intended to support initial component selection and sourcing, while final engineering decisions should be based on the manufacturer datasheet and PCB design rules.

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MCF51AG128VLF - ColdFire V1 32-bit MCU, 128KB Flash, 48-LQFP | NXP
MCF51AG128VLF

MCF51AG128VLF - ColdFire V1 32-bit MCU, 128KB Flash, 48-LQFP | NXP

The NXP MCF51AG128VLF is a 32-bit ColdFire V1 microcontroller from the MCF51AG family, delivering 50 MHz CPU performance with 128 KB of on-chip Flash memory in a 48-pin LQFP (7x7 mm) package. It is engineered for cost-sensitive, low-power embedded applications requiring deterministic operation and ample code space, integrating 128 KB Flash and 16 KB SRAM on a single chip with peripheral-rich connectivity. What is a ColdFire V1 microcontroller? ColdFire V1 is NXP's 32-bit microarchitectural successor to the legacy 68000/ColdFire legacy line, offering higher code density and lower power consumption than 8/16-bit alternatives while keeping the cost close to 16-bit MCU tier. Within the broader IC taxonomy, it falls under microcontrollers (MCUs) -> 32-bit MCUs -> ColdFire architecture -> embedded control processors, giving engineers a deterministic RISC-style execution model suitable for industrial control, metering, and human-machine interface (HMI) front-ends. Key features include 128 KB Flash program memory, 16 KB SRAM data memory, a 50 MHz core clock, multiple timers, ADC channels, communication peripherals (SCI, SPI, I2C), and a flexible external interrupt controller. Industrial-grade temperature range (typically -40C to +105C) supports harsh-environment deployment, and integrated low-power modes with fast wake-up time suit battery-powered or energy-harvesting endpoints. Technically, the MCF51AG128VLF uses a Harvard-style ColdFire V1 core with single-cycle multiply-accumulate and hardware debug support via BDM. The 128 KB Flash is organized for in-application reprogramming with built-in security, and peripheral DMA reduces CPU overhead for time-critical I/O. The BDM (Background Debug Mode) interface allows non-intrusive in-circuit debugging with an external probe. Typical applications include industrial automation controllers, smart metering (electricity/gas/water), HVAC control boards, low-end motor control, and consumer HMI panels. Three specific use-cases are utility meter data concentrators, PLC digital-input modules, and small kitchen-appliance control boards. When designing with this part, plan the power supply decoupling around the 3.3V or 5V tolerant I/O bank, and allocate Flash sectors carefully to leave a guard band for in-field firmware upgrades. The 48-LQFP footprint is widely supported by standard prototyping tools, but trace it on a 4-layer board for best EMI performance. This page synthesizes distributor pricing, drop-in alternative candidates, and practical design notes not found in the standalone NXP datasheet.

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MCF51AG96CLF - 32-bit ColdFire V1 MCU, 96KB Flash, 50MHz | NXP
MCF51AG96CLF

MCF51AG96CLF - 32-bit ColdFire V1 MCU, 96KB Flash, 50MHz | NXP

The NXP (formerly Freescale) MCF51AG96CLF is a 32-bit ColdFire V1 MCF51AG microcontroller IC running at up to 50 MHz (50.33 MHz max), integrating 96 KB of program Flash and housed in a 48-pin LQFP (7 mm x 7 mm) package. The device operates from a wide 3.3 V/5 V supply range and belongs to NXP's low-power, high-performance ColdFire family. A ColdFire microcontroller is a 32-bit variable-length reduced instruction set computing (RISC) processor core derived from the original Motorola 68000 architecture. ColdFire MCUs sit within the broader taxonomy of microcontrollers -> embedded processors -> 32-bit RISC cores -> ARM/ColdFire/RX families, and are typically deployed in motor control, industrial sensing, and consumer applications requiring deterministic performance at low power. Key features of the MCF51AG96CLF include 96 KB of on-chip Flash, up to 50 MHz ColdFire V1 core, an integrated ADC, timers/PWM for motor control, multiple serial communication interfaces (SCI/SPI/I2C), and an operating range suited for both 3.3 V and 5 V systems. The ColdFire V1 ISA combines 16-/32-bit variable-length instructions for code density that approaches ARM Cortex-M0/M0+ in compactness while preserving deterministic interrupt latency. The architecture pairs a 32-bit ColdFire V1 core with peripheral IP shared across the MCF51AG family, including analog blocks, timers, and communication modules. The 48-LQFP package exposes a generous I/O count and includes an exposed pad/thermal pad for dissipation, allowing operation at full 50 MHz across extended industrial temperature ranges. Typical applications include three-phase BLDC and PMSM motor control (small appliances, fans, e-bikes), industrial sensor conditioning, building automation control nodes, low-cost HMI panels, and smart-metering edge nodes that benefit from the ColdFire ecosystem (CodeWarrior IDE, Processor Expert). When designing with this part, plan oscillator and reset-network components around the ColdFire V1 startup timing; consult NXP application notes AN4418 (sensorless BLDC) and AN4571 (PWM alignment) for proven peripheral configurations. This page synthesizes distributor pricing, drop-in alternatives drawn from the MCF51AG family and 56F8xxx cross-references, and practical design notes not consolidated in any single manufacturer document.

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MCF51AG96CLK - ColdFire V1 32-bit MCU 96KB Flash 80-LQFP | NXP
MCF51AG96CLK

MCF51AG96CLK - ColdFire V1 32-bit MCU 96KB Flash 80-LQFP | NXP

The NXP (formerly Freescale) MCF51AG96CLK is a 32-bit ColdFire V1 microcontroller with 96KB flash, 50MHz core speed, and a 5V-tolerant mixed-signal feature set, housed in an 80-pin LQFP (14x14) package. Headline parameters: 96KB program flash, 50MHz core clock, and an integrated analog block including 16-bit ADC and 12-bit DAC. An MCU (microcontroller) is a single-chip computer that integrates a processor core, program memory, RAM, and peripherals (timers, ADC/DAC, communication interfaces) into one device. Within the broader hierarchy, the MCF51AG96CLK sits in the 32-bit RISC MCU category, which itself falls under embedded microcontrollers and ultimately semiconductors. ColdFire V1 is NXP's 32-bit variable-length RISC architecture optimized for low power and deterministic performance in appliance, industrial, and metering applications. The MCF51AG96CLK differentiates with on-chip op-amps, a 16-channel 16-bit ADC (differential mode available), a 12-bit DAC with voltage reference, and segment-LCD support up to 64 segments. It offers 16KB RAM, 96KB flash, 8KB FlexMemory EEPROM emulation, and a 32-channel timer/PWM system. Multi-function communication includes MSCAN (CAN 2.0B), I2C, SCI/UART, and SPI. Hardware cryptography support includes DES, 3DES, AES, and SHA accelerators for secure metering nodes. ColdFire V1 uses a pipelined variable-length RISC core delivering up to 50.33 MIPS at 50MHz, with code density comparable to legacy 8-bit architectures. The integrated analog block reduces BOM by combining ADC, DAC, op-amps, and Vref on-chip, enabling single-chip data acquisition for metering and motor control subsystems. Integrated LCD drivers and crypto accelerators further reduce external component count. Typical applications include smart electricity meters, industrial process controllers, HVAC controls, security systems, and point-of-sale terminals. The integrated op-amps and ADC simplify current-sensing and voltage-monitoring front ends; the LCD driver drives segmented displays directly. When designing with this device, ensure decoupling capacitors are placed within 5mm of each power pin and that the analog and digital ground planes are connected at a single point near the MCU. CodeWarrior/CodeWarrior for Microcontrollers remains the supported IDE, though community GCC toolchains now exist for ColdFire V1. This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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MCF51AG96CQH - 32-bit ColdFire V1 MCU 96KB Flash 64-QFP | NXP
MCF51AG96CQH

MCF51AG96CQH - 32-bit ColdFire V1 MCU 96KB Flash 64-QFP | NXP

The NXP MCF51AG96CQH is a 32-bit ColdFire V1 microcontroller delivering 50 MHz core performance with 96KB on-chip Flash memory and ColdFire RISC architecture, housed in a 64-pin PQFP (QFP-64, 14x14 mm) package. An MCU (microcontroller unit) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), peripherals, and I/O. The ColdFire V1 family belongs to the 32-bit microcontroller category within NXP's broader ColdFire line, which sits hierarchically between 8-bit legacy architectures and 32-bit ARM Cortex-M cores in NXP's product portfolio. ColdFire V1 parts are commonly used in industrial control, appliance motor control, and low-cost 32-bit embedded applications where deterministic interrupt response is required. Key features include 96KB program Flash, on-chip RAM, multiple timer/PWM modules, ADC, communication peripherals (SCI, SPI, I2C), and operation from a 2.7V to 5.5V supply with 3.3V/5V dual-voltage support. The 50 MHz core delivers up to 50 MIPS of throughput for real-time control loops. The ColdFire V1 core uses a variable-length RISC instruction set optimized for code density, paired with a ColdFire peripheral bus that allows DMA transfers between memory and peripherals without CPU intervention. The integrated analog and timing blocks allow designers to consolidate previously external ADC, PWM and capture functions onto the MCU. Typical applications include appliance and HVAC control, industrial sensor interfaces, low-end motor control, building automation, and consumer electronics requiring deterministic 32-bit processing. The wide 5V-tolerant I/O simplifies interfacing to legacy 5V logic. When designing with this MCU, ensure that the PQFP thermal and routing constraints are acceptable for the application. Migrating code from 8-bit HC(S)08 or HCS12 parts to ColdFire V1 requires recompilation but reuses existing peripheral driver concepts. This page synthesizes distributor pricing, parametric alternatives, and engineering design notes that complement the official NXP datasheet for engineers evaluating the MCF51AG96CQH.

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MCF51AG96VLF - Coldfire V1 32-Bit 50MHz 96KB Flash MCU | NXP
MCF51AG96VLF

MCF51AG96VLF - Coldfire V1 32-Bit 50MHz 96KB Flash MCU | NXP

The NXP MCF51AG96VLF is a 32-bit Coldfire V1 microcontroller built on the MCF51AG family, integrating 96KB of on-chip FLASH program memory and 16KB of SRAM in a 48-pin LQFP (7mm x 7mm) package. It operates at a core frequency up to 50MHz and includes 39 general-purpose I/O pins, an integrated DMA controller, low-voltage detect (LVD), pulse-width modulation (PWM) blocks, and a watchdog timer (WDT). Connectivity options include SCI (UART) and SPI peripherals, making it well suited for industrial control, motor drive, and sensor-interface applications. A microcontroller (MCU) is a single-chip computer containing a processor core, program memory, data memory, and integrated peripherals. The Coldfire V1 architecture used in the MCF51AG96VLF is a streamlined 32-bit derivative of the original Coldfire family, delivering 32-bit performance at 8-bit power and cost levels. Within the broader semiconductor taxonomy, an MCU like the MCF51AG96VLF belongs to: MCU -> microcontroller -> embedded processor -> semiconductor device. Its 50MHz 32-bit core, FLASH memory, and integrated peripherals place it in the mainline industrial/consumer MCU category rather than in low-power Cortex-M or high-end Cortex-A tiers. Key features include 96KB of in-application programmable FLASH for field updates, 16KB SRAM for data and stack, an internal DMA to offload data transfer from the CPU, and a configurable PWM module for motor control or power conversion loops. The 39 GPIOs provide ample headroom for mixed-signal interface designs that combine analog sensing with digital actuation. Architecturally, the Coldfire V1 core implements a von Neumann variant of the M68k instruction set with a streamlined pipeline, allowing deterministic interrupt latency critical for real-time control firmware. The 48-LQFP package keeps the device friendly for hand-solderable prototypes while providing enough pin count for parallel bus or multi-channel ADC needs. Typical applications include industrial sensor hubs, BLDC motor controllers, HVAC control boards, point-of-sale terminals, and low-cost human-machine interface (HMI) panels. Its combination of SCI/SPI connectivity and PWM channels makes it particularly attractive for variable-frequency drives and small appliances. When migrating firmware between Coldfire V1 parts, validate interrupt vector alignment and peripheral mux assignments; module-level registers differ across the MCF51AC, MCF51AG, and MCF51CN sub-families. This page synthesizes distributor inventory, lifecycle and parametric context, and pin-compatible drop-in alternatives that go beyond what is summarized in the manufacturer datasheet.

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MCF51AG96VLH - 50MHz 96KB Flash 32-bit MCU | NXP
MCF51AG96VLH

MCF51AG96VLH - 50MHz 96KB Flash 32-bit MCU | NXP

NXP Semiconductors MCF51AG96VLH is a 32-bit ColdFire V1 microcontroller with a processor core speed up to 50.33 MHz, 96 KB of Flash memory, and a 64-LQFP package measuring 10 mm by 10 mm. The device is designed for embedded control applications requiring a compact microcontroller, on-chip Flash memory, and a broad peripheral-oriented integration approach. A microcontroller is a semiconductor system containing a processor core, memory, peripherals, and interfaces that controls a larger electronic product. The MCF51AG96 belongs to the ColdFire family of 32-bit variable-length reduced instruction set computer, or RISC, microcontrollers. Within the embedded-processing hierarchy, it combines a low-power embedded MCU platform with 32-bit instruction execution and integrated Flash program memory. The verified product information identifies a 50 MHz core-speed positioning, 96 KB of Flash organized as 96K x 8, and a 64-LQFP package. The LQFP package is a surface-mount package family with leads on four sides and is suitable for automated PCB assembly. The available search results describe the device as a ColdFire V1 MCU from the MCF51AG family. The MCF51AG96VLH is suitable for industrial control, embedded instrumentation, appliance control, data acquisition, and connected embedded systems where a dedicated 32-bit controller is preferred over a simple 8-bit device. Its Flash memory can hold firmware and application code, while the MCU architecture supports integration of control logic and external interfaces in a single component. Designers should confirm the complete electrical, clock, memory-map, peripheral, and pin-level requirements against the manufacturer datasheet before release. Because the supplied data does not include individual pin assignments, supply-voltage limits, peripheral lists, timing limits, or environmental ratings, those values must not be inferred. This page combines verified distributor and manufacturer-linked data, source traceability, and cautious engineering guidance rather than inventing unavailable parameters. MCF51AG96VLH is best evaluated when the target design specifically requires the MCF51AG96 device, a 64-LQFP footprint, 96 KB Flash, and ColdFire V1 architecture. For a new design, confirm toolchain availability, memory-map compatibility, peripheral requirements, and sourcing status before committing the PCB layout.

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MCF51AG96VLK - 50MHz 96KB Flash MCU | NXP | Industrial
MCF51AG96VLK

MCF51AG96VLK - 50MHz 96KB Flash MCU | NXP | Industrial

The NXP MCF51AG96VLK is a 32-bit ColdFire variable-length RISC microcontroller operating at up to 50.33 MHz, with 96 KB of flash memory in an 80-pin LQFP package. It belongs to the MCF51AG family and is positioned for embedded control applications requiring deterministic processing, low-power operation, and a broad peripheral integration platform. The verified product listing identifies a ColdFire V1 core, 96 KB flash, 3.3 V or 5 V operation, and an 80-LQFP 14 x 14 mm package. A ColdFire microcontroller is an embedded processor that combines a 32-bit architecture with variable-length reduced instruction set computer characteristics. In the system hierarchy, this MCU belongs to the embedded processor family and sits below the broader semiconductor and electronic-control categories. Its core handles control logic and firmware execution, while integrated peripherals support communication, timing, analog control, and general-purpose I/O. The verified data specifically identifies a maximum processor core speed of 50.33 MHz, 96 KB of flash storage, and 32-bit ColdFire architecture. The flash memory provides a nonvolatile program-storage location for embedded firmware. The listed 3.3 V or 5 V operating options support both common industrial and embedded supply environments, while the 80-LQFP package provides a conventional surface-mount footprint with numerous external connections. Typical design uses include industrial automation, motor and motion-control systems, building controls, communications equipment, consumer appliances, and low-power embedded control nodes. The 50.33 MHz class of performance is useful for control loops, protocol handling, and supervisory logic, although actual response time depends on firmware, peripherals, memory architecture, and interrupt configuration. Designers should verify peripheral assignments, pin multiplexing, clock requirements, and voltage constraints against the manufacturer datasheet before layout release. The 80-LQFP package requires careful escape-routing and thermal-aware PCB design. Keep sensitive analog and communication routes away from noisy switching nodes, provide clean decoupling at supply pins, and follow the datasheet’s recommended external components and pin multiplexing rules. Because the supplied search results do not provide a complete verified alternative cross-reference or a complete pinout table, substitute parts and individual pin functions must be validated rather than assumed. This product page combines verified distributor and manufacturer-oriented source data with engineering-oriented selection guidance. It distinguishes confirmed facts from missing information, emphasizes that the device is not a power semiconductor, and avoids presenting unverified competitors as drop-in replacements.

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MCF51AG96VQH - 32-bit 50MHz 96KB Flash MCU | NXP
MCF51AG96VQH

MCF51AG96VQH - 32-bit 50MHz 96KB Flash MCU | NXP

The NXP Semiconductors MCF51AG96VQH is a 32-bit ColdFire microcontroller operating at up to 50 MHz, with 96 KB of flash program memory, 16 KB of SRAM, and a 64-QFP package. It belongs to the MCF51AG family of variable-length reduced instruction set microcontrollers and is positioned for embedded control, communications, and low-power industrial or consumer designs. A 32-bit microcontroller integrates a processor core, memory, communication peripherals, timers, and general-purpose I/O into one embedded control device. The ColdFire architecture uses a variable-length RISC instruction set, while the 50 MHz core provides the processing performance stated in the verified product data. This device is suited to systems that need more control capability than an 8-bit MCU without moving to a higher-complexity processor architecture. The verified specifications identify 96 KB of flash memory organized as 96K x 8, 16 KB of SRAM, 53 I/O pins, and connectivity including I2C, SCI, SPI, DMA, PWM, a watchdog timer, and low-voltage detection. Its operating supply is described as 3 V in distributor data, with another source identifying the device as a 3.3 V part. The exact manufacturer operating-temperature limits, pin-level multiplexing, memory map, and electrical limits are not present in the supplied verified data and are therefore not inferred here. Typical embedded uses include motor and actuator control, industrial interfaces, sensor acquisition, communications gateways, and compact control systems that benefit from flash-resident firmware and multiple serial interfaces. The 64-QFP package provides a conventional leaded surface-mount footprint for external memory, interface routing, signal conditioning, and power distribution. When designing around the MCF51AG96VQH, verify the exact pin multiplexing, clock configuration, reset behavior, supply limits, and peripheral electrical conditions against the manufacturer datasheet before layout release. Because the retrieved data identifies the part as obsolete in one datasheet listing, lifecycle planning should include confirmation of supply status and a qualified sourcing review.

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MCF51CN128CL - 32-Bit 50MHz 128KB Flash MCU | NXP
MCF51CN128CL

MCF51CN128CL - 32-Bit 50MHz 128KB Flash MCU | NXP

The NXP Semiconductors MCF51CN128CL is a 32-bit ColdFire V1 microcontroller operating at 50 MHz, with 128 KB of flash memory and a 64-LQFP package identified as 10 mm by 10 mm in the verified distributor data. It is designed for embedded applications requiring a compact 32-bit control platform, Ethernet connectivity, and external peripheral interfaces. The verified listing describes a 10/100 BASE-T/TX fast Ethernet controller with an MII interface for an external Ethernet PHY and a multi-function external bus interface. A microcontroller is an integrated circuit containing a processor core, nonvolatile program memory, data memory, peripherals, and input/output interfaces in one device. The MCF51CN128 belongs to the ColdFire microcontroller family and is positioned between a general-purpose MCU and more specialized network-control devices. Its Ethernet controller makes it relevant to industrial networking, embedded gateways, control panels, and communication equipment, provided the complete electrical and software requirements remain satisfied. The verified information identifies a 50 MHz ColdFire V1 core, 128 KB flash memory, 32-bit architecture, 10/100 BASE-T/TX fast Ethernet capability, MII connectivity, and a multi-function external bus interface. The package information is listed as 64-LQFP, 10 mm by 10 mm. Other electrical details, RAM size, pin-level assignments, operating voltage, temperature range, and peripheral inventory were not provided in the verified data and therefore require confirmation from the manufacturer datasheet before design release. The Ethernet block uses an MII interface to connect to an external physical-layer transceiver. Designers should account for the external PHY, magnetics, clocking, termination, isolation, and signal-integrity requirements of the Ethernet implementation. The multi-function external bus provides a route for additional peripherals, but the supported operating modes and electrical timing must be taken directly from the MCF51CN128 datasheet. Typical application areas include industrial Ethernet controllers, embedded network management equipment, data acquisition systems, and connected industrial products. For each use case, confirm the required memory map, I/O availability, bus timing, supply voltage, and software support. The MCF51CN128CL is specifically associated with an end-of-life overview in the verified NXP product result, so sourcing and lifecycle planning should account for the device's current availability. This product record consolidates the verified NXP datasheet link, distributor package and memory information, and the available product-page context into a practical procurement reference. For a new PCB, use the official datasheet as the controlling document rather than relying on abbreviated distributor descriptions.

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MCF51EM256CLL - 32-bit ColdFire V1 MCU 50MHz 256KB Flash | NXP
MCF51EM256CLL

MCF51EM256CLL - 32-bit ColdFire V1 MCU 50MHz 256KB Flash | NXP

The NXP Semiconductors MCF51EM256CLL is a 32-bit ColdFire V1 core microcontroller running at 50 MHz with 256KB of embedded Flash memory, housed in a 100-pin LQFP (14x14 mm) package. It is NXP's smart-meter-on-a-chip solution, integrating an embedded LCD controller, a 16-bit analog-to-digital converter (ADC), and metrology-specific peripherals optimized for energy metering applications. A 32-bit microcontroller (MCU) is an integrated circuit that combines a processor core, memory, and peripherals on a single chip, sitting within the broader hierarchy of embedded processors: MCU -> RISC microprocessor -> system-on-chip. The ColdFire V1 family derives from the Motorola 68000 architecture, delivering deterministic single-cycle execution for cost-sensitive embedded control. Key features of the MCF51EM256CLL include the 256KB (256K x 8) Flash program memory, the 50 MHz ColdFire V1 RISC core, an integrated segment LCD driver for meter displays, and dedicated metrology peripherals that reduce external component count in polyphase and single-phase energy meters. The metrology-focused architecture places ADC channels, reference circuitry, and timing resources close to the core, enabling accurate current and voltage sampling with low phase error. This allows a single chip to perform energy computation, display driving, and communication management simultaneously, which is the defining advantage of the smart-meter-on-a-chip concept originally introduced by Freescale Semiconductor, now NXP. Typical applications include polyphase (three-phase) and single-phase smart energy meters, prepaid electricity meters, industrial submetering, and power-quality monitoring equipment. NXP also published an MCF51EM256-based polyphase energy meter reference design for 220V systems to accelerate development. Designers should note this part carries NXP End-of-Life status; last-time-buy planning and second-source qualification are essential for new designs. Verify stock and replacement strategy before committing to new PCB layouts. This page synthesizes distributor availability data, lifecycle status, drop-in alternatives, and practical design guidance not found in the manufacturer datasheet.

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