Microcontroladores

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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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MCF51JE128CMB - 32-Bit 50MHz MCU, 128KB Flash | NXP
MCF51JE128CMB

MCF51JE128CMB - 32-Bit 50MHz MCU, 128KB Flash | NXP

NXP Semiconductors MCF51JE128CMB is a 32-bit ColdFire V1 microcontroller operating at up to 50MHz, with 128KB of flash memory in an 81-MAPBGA package measuring 10mm by 10mm. The device is designed for embedded control applications requiring low-power operation, USB connectivity, and high measurement accuracy. Its integrated feature set supports cost-conscious designs that need more capability than an 8-bit MCU without moving immediately to a larger general-purpose processor. A microcontroller is a semiconductor device that integrates a CPU, memory, peripherals, and input/output interfaces into one compact component. The MCF51JE128 belongs to the ColdFire V1 MCU family and combines a 32-bit processor with embedded flash and application peripherals. In the broader system hierarchy, it belongs to the embedded processor and controller category, connecting a microcontroller core with memory, communications, timing, and measurement resources. The supplied distributor information identifies the part as a ColdFire V1 device with 128KB flash, a 50MHz maximum clock, and an 81-MAPBGA package. The family description also identifies USB connectivity, ultra-low-power operation, and high measurement accuracy as important device attributes. These characteristics make the MCU suitable for USB-connected control products, compact instrumentation, industrial equipment, and low-power embedded systems where integration and measurement performance matter. The 32-bit ColdFire V1 CPU provides the computational basis for control logic, communications, and data acquisition. Flash memory supports resident firmware and application code, while the integrated peripherals can reduce the number of external components required in a compact design. The 50MHz operating specification provides a defined performance target for control-loop and communication workloads, although actual application performance depends on firmware, memory configuration, peripherals, and system conditions. Typical applications include USB peripheral controllers, sensor and measurement systems, compact industrial controllers, and embedded products that require a small package and low-power operation. The 81-MAPBGA package is suitable for space-constrained products but requires careful PCB layout, fine-pitch routing, and controlled assembly. Designers should confirm pin functions, power requirements, clocking, USB connectivity, and peripheral assignments against the manufacturer datasheet before releasing a production layout. For USB designs, budget for proper power distribution, signal routing, decoupling, and connector integration. For measurement systems, verify the required accuracy, reference sources, analog interfaces, and calibration strategy. Because the supplied data does not provide a complete electrical parameter table or package pin map, use the manufacturer datasheet as the authoritative source for final design decisions. This product data consolidates distributor listings, family-level technical information, and practical design considerations for engineers evaluating the MCF51JE128CMB. It is intended to support initial component selection while preserving clear separation between verified specifications and parameters that still require datasheet confirmation.

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MCF51JE128VLK - Coldfire V1 32-Bit MCU, 50MHz, 128KB Flash | NXP
MCF51JE128VLK

MCF51JE128VLK - Coldfire V1 32-Bit MCU, 50MHz, 128KB Flash | NXP

The NXP (formerly Freescale) MCF51JE128VLK is a Coldfire V1 MCF51JE series 32-bit microcontroller IC running at 50 MHz, with 128 KB of embedded Flash program memory (128K x 8) housed in an 80-pin LQFP (VLK) package measuring 12 x 12 mm. The part is built on a Coldfire V1 Harvard architecture core with integrated rich connectivity peripherals including CANbus, EBI/EMI, I2C, SCI, SPI and USB OTG. A microcontroller is a single-chip processor that integrates a CPU core, program memory (Flash), data memory (RAM), and a mix of on-chip peripherals (timers, communication controllers, ADCs, GPIO). Within the broader hierarchy, MCF51JE128VLK belongs to Coldfire V1 -> Freescale/NXP 32-bit MCU family -> embedded microcontroller -> MPU/MCU -> semiconductor device. Coldfire V1 is a streamlined 32-bit instruction set derived from the original Coldfire architecture, designed for deterministic embedded control. Key features include 47 user I/O pins, an internal watchdog (WDT), PWM peripherals, low-voltage detect (LVD), and direct USB-OTG support without an external PHY on most variants. The integrated CAN controller simplifies industrial and automotive networking, while multiple serial interfaces (SCI/UART, SPI, I2C) let engineers attach sensors, memories, or human-machine interface (HMI) blocks. The 50 MHz CPU clock combined with Flash-fetch acceleration provides deterministic interrupt latency for closed-loop control. Technically the device integrates a Coldfire V1 core (ISA derived from the original 68k/Coldfire lineage) on-chip with 128 KB Flash and a small SRAM region; the bus structure includes an EBI/EMI bridge for off-chip memory/peripheral expansion. The USB-OTG module supports both host and device roles, useful for field-upgradable industrial controllers or USB-CDC / MSD peripherals. Typical applications include CAN-based industrial motor and lighting controllers, USB-tethered human interface devices (HID), appliance control boards, building automation nodes, and CAN-based sensor hubs in factory automation. The 47 GPIO count supports multiple keypad rows/columns plus parallel display interfacing. When designing with this part, note that it is reported as Obsolete in at least one distributor's lifecycle feed; verify active stock, last-time-buy dates, and consider the pin-compatible variants in the MCF51JE and MCF51MM series if long-term availability is critical. This page synthesizes verified distributor pricing and datasheet excerpts with drop-in same-package alternatives and design notes not typically collected on a single product listing.

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MCF51JE128VMB - 32-bit ColdFire V1 MCU, 128KB Flash, 50MHz, USB | NXP
MCF51JE128VMB

MCF51JE128VMB - 32-bit ColdFire V1 MCU, 128KB Flash, 50MHz, USB | NXP

The NXP MCF51JE128VMB is a 32-bit ColdFire V1 microcontroller with 128 KB Flash, 32 KB SRAM, integrated USB On-The-Go (OTG), and a 50 MHz core, delivered in an 81-ball MAPBGA (10x10 mm) package. As the 128 KB Flash variant of the MCF51JE family, it pairs ultra-low-power operation with high-accuracy analog peripherals and full-speed USB, enabling cost-optimized designs that need measurement precision and connectivity in a single chip. What is a ColdFire microcontroller? ColdFire is NXP's (originally Freescale's) 32-bit microprocessor architecture derived from the original Motorola 68000 family. Devices in the MCF51JE series sit in the same hierarchy as: ColdFire V1 core -> 32-bit MCU -> embedded microcontroller -> integrated circuit. Compared with 8-bit MCUs (e.g., 8051, AVR), ColdFire V1 gives 32-bit processing in a low-power envelope suited for industrial and consumer embedded systems. Key features include up to 50 MHz core frequency, 128 KB program Flash, 32 KB SRAM, integrated USB 2.0 full-speed OTG with on-chip transceiver, multiple serial interfaces (CAN, I2C, SCI/UART, SPI), 12-bit ADC, and PWM/timer modules. Up to 48 GPIO pins give designers flexibility for sensor or user-interface I/O. The integrated USB OTG controller eliminates the need for an external transceiver, reducing BOM cost. The ColdFire V1 core uses a variable-length instruction set with a 32-bit register model, balancing code density with throughput. On-chip peripherals include a low-voltage detection (LVD) module, watchdog timer, and PWM units. The internal bus matrix and Flash controller enable deterministic interrupt response suitable for real-time control. Typical applications include USB smart metering, industrial sensor hubs, low-cost measurement equipment, and consumer devices needing embedded USB (e.g., data loggers, HID peripherals). It is well-suited for battery-powered designs because of the family's low-power modes. When designing with the MCF51JE128VMB, ensure PCB layout accommodates the MAPBGA's 0.8 mm ball pitch - careful fan-out and possibly 4-layer stack-up are recommended. For non-USB applications in the same family, consider the lower-cost MCF51AC series; for higher pin count, see the MCF51MM family. This page synthesizes distributor pricing, same-family alternative variants (MCF51JE256CMB, MCF51JE256VML), and practical BGA-layout design notes not found in a typical catalog summary.

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MCF51JE256CLK - ColdFire V1 32-bit MCU, 256KB Flash | NXP
MCF51JE256CLK

MCF51JE256CLK - ColdFire V1 32-bit MCU, 256KB Flash | NXP

The NXP MCF51JE256CLK is a 32-bit ColdFire V1 microcontroller featuring 256KB of Flash, 32KB of RAM, a 50MHz core, and an integrated USB 2.0 Full-Speed controller, housed in an 80-pin LQFP (12x12 mm) package. It belongs to NXP's MCF51JE family, combining ultra-low-power operation, USB connectivity, and high analog measurement accuracy in a single mixed-signal MCU. What is a ColdFire V1 microcontroller? ColdFire V1 is a 32-bit RISC processor architecture derived from the original Motorola 68000 family, optimized for embedded applications that need higher performance than 8/16-bit MCUs but with the deterministic interrupt response and low power consumption required by industrial and consumer systems. The ColdFire V1 core sits within the broader hierarchy of 32-bit microcontroller cores -> microcontroller -> embedded processor -> semiconductor, and competes architecturally with ARM Cortex-M0/M0+ devices while preserving ColdFire instruction-set compatibility for legacy code bases. The MCF51JE256CLK integrates a 12-bit SAR ADC with up to 20 channels, a 12-bit DAC, multiple timers (FTM, PWT, RTC), an I2C bus, two SCI/UART modules, and an SPI peripheral set. Its high-resolution analog front-end supports precision sensor conditioning in industrial metering and medical instrumentation. The integrated USB 2.0 Full-Speed On-The-Go (OTG) controller with dedicated PHY enables direct device/host/OTG roles without external transceivers. Typical applications include industrial metering and data loggers, USB HID peripherals, smart sensors, medical monitoring devices, and low-power portable instrumentation. The wide operating voltage range of 2.7V to 5.5V makes it compatible with both 3.3V and 5V system rails. Multiple low-power modes (Wait, Stop, Standby) allow deep power optimization for battery-powered designs. When designing with this MCU, allocate PCB area for a decoupling cap cluster near each power pin and ensure the USB D+/D- traces are 90-ohm differential-matched and as short as possible. For new designs, verify NXP's PCN notice for the MCF51JE family before committing, as several variants have entered End-of-Life status. The standard 80-LQFP footprint and JTAG/SWD debug path ease migration to alternate members of the JE family.

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MCF51JE256CMB - 32-Bit 50MHz 256KB MCU | NXP
MCF51JE256CMB

MCF51JE256CMB - 32-Bit 50MHz 256KB MCU | NXP

The NXP MCF51JE256CMB is a 32-bit ColdFire V1 microcontroller rated up to 50 MHz, with 256 KB of flash memory, 32 KB of RAM, and 48 I/O pins in an 81-ball MAPBGA package measuring 10 mm by 10 mm. It is designed for compact embedded systems that require broad connectivity, precision measurement, and low-power operation. A microcontroller is a programmable system-on-chip that integrates a processor core, nonvolatile program memory, working memory, peripherals, and input/output interfaces. The MCF51JE belongs to the ColdFire V1 MCU hierarchy and combines USB connectivity, high-resolution analog conversion, timing, communications, and measurement functions. This makes the device useful for industrial control, data acquisition, USB-enabled instruments, and embedded consumer equipment. Key verified characteristics include 256 KB of program flash, 32 KB of RAM, 48 I/O pins, a 50 MHz operating frequency, an external oscillator, and operation from 2.5 V or 3.3 V supplies. The 81-LBGA or 81-MAPBGA package supports dense PCB integration but requires careful escape routing and thermal design because of its fine ball pitch and central land pattern. The ColdFire V1 core provides a 32-bit RISC-oriented architecture for embedded control, while the integrated analog and peripheral resources reduce the need for external components. USB connectivity enables USB-connected peripherals or host-side control functions, depending on the device configuration and firmware requirements. The high-resolution ADC and DAC resources described by the manufacturer support precision measurement and signal-generation designs. Typical applications include USB data-acquisition equipment, industrial measurement modules, compact control systems, laboratory instruments, and embedded USB accessories. The external oscillator requirement means the system must provide an appropriate clock source and associated layout. Designers should also verify the complete pin multiplexing, power sequencing, decoupling, and exposed-pad requirements directly against the NXP MCF51JE256/128 datasheet before layout release. A key design consideration is package escape routing. Because the device uses an 81-ball MAPBGA rather than a leaded package, power, ground, USB, analog, and high-speed signals need short, controlled routes through the PCB stack-up. The NXP datasheet is the authoritative source for ball assignments, electrical limits, AC timing, power consumption, and reference circuit details.

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MCF51JE256VLK - 32-Bit 50MHz 256KB Flash MCU | NXP
MCF51JE256VLK

MCF51JE256VLK - 32-Bit 50MHz 256KB Flash MCU | NXP

The NXP Semiconductors MCF51JE256VLK is a 32-bit ColdFire V1 microcontroller operating up to 50 MHz, with 256 KB of Flash memory and 47 general-purpose I/O pins in an 80-pin LQFP package. It integrates USB connectivity, high-resolution ADC and DAC modules, CANbus, USB OTG, and serial peripherals for compact embedded-control systems. A microcontroller is a programmable embedded-processing IC that combines a CPU core, memory, analog and digital peripherals, and I/O in one device. The ColdFire V1 MCU belongs to the microcontroller and embedded-processor hierarchy, providing higher-word-width processing than an 8-bit or 16-bit design while retaining a cost-focused platform for industrial and control-oriented products. Unlike a general-purpose computer processor, the MCU integrates the resources needed for standalone control, sensing, communications, and actuator management. Key features include a 32-bit architecture, 50 MHz maximum operating frequency, 256 KB (256K x 8) Flash, 47 I/O, and operation from 2.5 V to 3.3 V as identified in the provided distributor and technical records. Integrated connectivity includes CANbus, USB OTG, I2C, SCI, and SPI. The analog feature set includes a high-resolution ADC and DAC, while timers, PWM, low-voltage detection, and a watchdog support dependable embedded-control designs. The device is positioned for low-cost, low-power, high-performance embedded systems where USB and measurement accuracy matter. Its integrated USB connectivity can simplify direct host-device communication, while CANbus and serial interfaces support industrial networking and external sensors. The 80-LQFP package provides 47 external I/O pins, allowing multiple digital interfaces and analog signals to be connected without an extremely dense fine-pitch package. Typical applications include industrial control panels, USB-connected data-acquisition equipment, CAN-based monitoring systems, low-cost embedded instrumentation, and compact consumer devices. The 50 MHz ColdFire V1 core provides a performance margin for protocol handling and control loops, while the Flash capacity supports firmware and application code. Designers should verify package-specific pin functions and peripheral availability against the NXP datasheet before final PCB release. A key design consideration is supply and decoupling. The MCU requires a stable 2.5 V or 3.3 V rail depending on the selected operating configuration, and its high-speed digital and USB paths demand careful power-plane and return-path planning. Use short, wide supply connections, place decoupling capacitors near the appropriate pins, and keep USB and high-speed signal traces away from noisy switching nodes. This page consolidates the verified distributor and manufacturer information for MCF51JE256VLK, including core identity, package, memory, interfaces, lifecycle status, sourcing context, and design guidance. Because NXP marks the part as End of Life, engineers should confirm availability, last-time-buy conditions, firmware support, and any approved migration path before committing it to a new production design.

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MCF51JE256VMB - 32-Bit 50MHz 256KB MCU | NXP
MCF51JE256VMB

MCF51JE256VMB - 32-Bit 50MHz 256KB MCU | NXP

The NXP Semiconductors MCF51JE256VMB is a 32-bit ColdFire V1 microcontroller operating at 50 MHz, with 256 KB of Flash program memory, 32 KB of RAM, and 48 I/O pins in an 81-MAPBGA package measuring 10 mm by 10 mm. It is designed for low-cost, low-power embedded systems requiring USB connectivity and high-resolution measurement capabilities. A microcontroller is a programmable system-on-chip that integrates a CPU, memory, and peripherals into one package. The MCF51JE256 belongs to the ColdFire V1 family and combines a 32-bit RISC-oriented processor core with embedded Flash, RAM, analog and digital peripherals, and connectivity functions. This integration reduces component count and simplifies firmware-focused product development. Key verified features include a 50 MHz operating speed, 256 KB of Flash memory, 32 KB of RAM, 48 I/O pins, and USB connectivity. The device is also identified as supporting high measurement accuracy, making it useful for products that combine control, data acquisition, and communications in a compact embedded platform. Its external oscillator listing indicates that clocking must be supplied or configured through the supported external clock arrangement. The MCF51JE256/128 family is described as an energy-efficient, low-power solution from Freescale, now represented by NXP. The ColdFire V1 architecture provides a 32-bit processing environment while retaining a cost-conscious microcontroller platform for embedded control. Exact peripheral availability and package-level details should be confirmed against the MCF51JE256/128 data sheet because not every feature is available in every device or package. Typical applications include USB-connected control systems, data-acquisition equipment, industrial monitoring, and compact consumer products. The 256 KB Flash capacity supports a larger embedded program than smaller MCUs, while the 48-pin I/O count provides more external interface options. Engineers should verify pin multiplexing, power requirements, clocking, and board-level USB implementation before finalizing a design. For a new layout, use the exact 81-MAPBGA footprint and confirm ball assignments, exposed-pad requirements, and recommended decoupling against the manufacturer data sheet. The part is listed in tray packaging in the retrieved distributor information, and distributors report it as an NXP USA Inc. or Freescale Semiconductor-origin device.

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MCF51JE256VML - 32-Bit 50MHz 256KB Flash MCU | NXP
MCF51JE256VML

MCF51JE256VML - 32-Bit 50MHz 256KB Flash MCU | NXP

The NXP Semiconductors MCF51JE256VML is a 32-bit ColdFire V1 microcontroller operating at 50 MHz, with 256 KB of flash program memory and a 104-MAPBGA package measuring 10 x 10 mm. It integrates USB OTG, CANbus, EBI/EMI, I2C, SCI, SPI, PWM, low-voltage detection, and a watchdog timer, providing a broad hardware interface for connected embedded products. A microcontroller is a programmable integrated circuit that combines a processor core, memory, communication peripherals, and input/output control. The MCF51JE256VML belongs to the 32-bit MCU hierarchy and is designed to consolidate control, measurement, communications, and USB functionality into one device. Its ColdFire V1 core provides a 32-bit processing architecture, while the integrated peripherals reduce the need for external interface components. Verified listings identify 256 KB of flash memory, a 50 MHz operating frequency, a 32-bit architecture, and a 104-MAPBGA package. Other listed characteristics include 32 KB RAM, 69 I/O, and connectivity including CANbus, USB OTG, I2C, SCI, SPI, and EBI/EMI. These features support embedded control systems that require both local processing and multiple external interfaces. The device is positioned for low-power operation, USB connectivity, and high measurement accuracy according to the retrieved product information. Its integrated communication peripherals can simplify system design when an application uses several serial buses or a USB connection. The 104-MAPBGA package also supports compact high-pin-count assemblies, although BGA layout and assembly require careful PCB design and inspection. Typical application areas include USB-connected embedded controllers, CANbus equipment, industrial measurement systems, motor and actuator control, and low-power consumer electronics. The combination of 256 KB flash, 32-bit processing, USB OTG, and multiple serial interfaces is useful when firmware, control logic, and communication tasks must coexist on one microcontroller. For new designs, engineers should confirm the complete pinout, electrical limits, memory map, clock requirements, USB implementation details, and package-specific layout recommendations from the manufacturer datasheet before layout release. This page summarizes the verified 50 MHz, 32-bit, 256 KB flash, USB OTG, CANbus, and 104-MAPBGA information without inferring unprovided electrical values. This data page consolidates distributor identification, datasheet references, application context, and verified interface details to help engineers evaluate the MCF51JE256VML efficiently. For purchasing, pricing, lifecycle status, and exact stock information, confirm the current distributor listing as of 2026-10-20.

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MCF51JF32VFM - ColdFire V1 MCU, 32KB Flash, 50MHz, 32-HVQFN | NXP
MCF51JF32VFM

MCF51JF32VFM - ColdFire V1 MCU, 32KB Flash, 50MHz, 32-HVQFN | NXP

The NXP MCF51JF32VFM is a ColdFire V1 MCF51Jx 32-bit microcontroller running at up to 50MHz with 32KB of embedded Flash and FlexMemory (configurable EEPROM), housed in a 32-pin HVQFN (5x5 mm) surface-mount package. It integrates I2C, I2S, SPI, UART, USART, and USB connectivity with DMA, low-voltage detect (LVD), power-on reset (POR), PWM, and a watchdog timer, targeting cost-sensitive industrial consumer applications that need true 32-bit performance with 8-bit price points. What is a 32-bit microcontroller? A 32-bit microcontroller is a single-chip computing engine that fetches and executes 32-bit-wide instructions, provides 32-bit ALU operations, and addresses memory through a 32-bit address/data bus. It sits in the part hierarchy of microcontrollers -> microcontrollers/microprocessors -> digital ICs -> semiconductors. Within NXP's portfolio, the MCF51Jx line bridges the gap between the 8-bit S08 family and higher-performance ColdFire V2/V4 devices, giving designers a familiar roadmap with software-compatible peripherals. Key features include a 32KB (32K x 8) program Flash array, CPU speeds up to 50MHz, integrated FlexMemory for configurable EEPROM emulation, USB On-The-Go/Full-Speed device support, and a rich analog/digital peripheral set. ColdFire V1 combines a streamlined instruction set with deterministic interrupt latency, making it well suited for real-time control tasks. The architecture is a Harvard-style ColdFire V1 RISC core with tightly-coupled memories and a peripheral bridge to the chip's peripheral IP blocks. FlexMemory allows designers to allocate part of the Flash array as EEPROM, removing the need for an external serial EEPROM in many parameter-storage applications. Typical applications include USB HID human-interface devices (mouse, keyboard, game controllers), industrial sensor hubs, home appliances, and low-cost point-of-sale peripherals. Its small HVQFN footprint suits dense PCB layouts, while integration of USB plus PWM simplifies bill-of-materials. A key design consideration is the power budget when USB is enabled: configure VBUS sensing and the on-chip regulator per the reference manual to keep suspend current within USB 2.0 limits. This page synthesizes cross-reference intel, distributor pricing, and practical design notes not found in the manufacturer datasheet alone.

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MCF51JM128EVLH - 32-bit ColdFire V1 MCU 128KB Flash | NXP
MCF51JM128EVLH

MCF51JM128EVLH - 32-bit ColdFire V1 MCU 128KB Flash | NXP

The NXP MCF51JM128EVLH is a 32-bit ColdFire V1 core microcontroller running at up to 50 MHz with 128 KB flash memory and 16 KB RAM, housed in a 64-pin LQFP (10x10 mm) surface-mount package. Operating from a single supply of 2.7 V to 5.5 V across an industrial temperature range of -40C to +105C, it belongs to the MCF51JM family within the NXP Flexis microcontroller series. A 32-bit RISC microcontroller combines a processor core, memory, and peripherals on a single IC, sitting above 8-bit MCUs such as the Freescale/NXP S08 family in processing throughput while retaining low power operation. The Flexis series is the connection point on the NXP Controller Continuum where 8-bit S08 and 32-bit V1 ColdFire devices share a common peripheral set and development tools, enabling migration between 8-bit and 32-bit designs without board redesign. Key features include up to 128 KB of flash that can be read, programmed, and erased over the full operating voltage and temperature range, up to 16 KB of RAM with security circuit, four low-power modes, and a highly integrated peripheral set covering USB, serial communication, timers, and analog functions. The 50.33 MHz V1 ColdFire core delivers substantially higher integer throughput than 8-bit peers at comparable power budgets. Architecturally, the ColdFire V1 core is a reduced instruction set computing (RISC) processor derived from the 68K/ColdFire lineage, providing efficient C-code execution and a mature tool ecosystem. The flash security circuit supports code protection for production designs. Typical applications include USB-connected consumer and industrial devices, human-machine interfaces, embedded control systems, and 8-bit-to-32-bit upgrade paths where Flexis pin and peripheral compatibility simplifies migration. Design consideration: note that NXP lists this part as End of Life, so new designs should plan a replacement strategy or secure lifetime-buy inventory. This page synthesizes distributor availability data, verified datasheet specifications, drop-in alternatives, and practical design guidance not found in any single source.

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MCF51JM128VLD - 32-bit ColdFire V1 MCU 128KB Flash | NXP
MCF51JM128VLD

MCF51JM128VLD - 32-bit ColdFire V1 MCU 128KB Flash | NXP

The NXP Semiconductors MCF51JM128VLD is a 32-bit ColdFire V1 RISC microcontroller running at 50 MHz, with 128 KB flash memory, 16 KB RAM, and a 2.7 V to 5.5 V operating supply, housed in a 44-pin LQFP (10x10 mm) package. A microcontroller unit (MCU) is a single integrated circuit that combines a processor core, memory, and peripherals into one chip, forming the lowest tier of the embedded processing hierarchy: MCU -> embedded processor -> microprocessor -> system-on-chip. The ColdFire V1 core used here is a 32-bit reduced instruction set computing (RISC) architecture derived from the Motorola 68000 lineage, and the MCF51JM family is part of NXP's Flexis series, where 8-bit S08 and 32-bit ColdFire V1 devices share common peripherals and development tools for seamless migration. Key features include flash read/program/erase across the full operating voltage and temperature range, a memory security circuit protecting the 16 KB RAM, four serial communication interfaces, and operation from -40C to +105C. The wide 2.7 V to 5.5 V supply range allows direct connection to 3.3 V or 5 V systems without level shifting, a significant advantage over 1.8 V to 3.6 V-only modern MCUs. Architecturally, the V1 core executes ColdFire instructions at up to 50.33 MHz and is supported by the Flexis Controller Continuum, meaning code and peripheral configurations port easily between MCF51 and MC9S08 family members. Integrated peripherals reduce external component count in cost-sensitive designs. Typical applications include industrial control panels, USB-enabled consumer devices, building automation nodes, and motor control front ends, where a 5 V-tolerant 32-bit MCU with ample flash simplifies the bill of materials. When designing in, note the part's End of Life status: new designs should evaluate Flexis-compatible migration paths, while existing designs should secure last-time-buy inventory. This page synthesizes distributor pricing data, drop-in same-family alternatives, and EOL replacement guidance not found in a single manufacturer document.

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