MCF51AC128AVFUE - 50MHz 128KB Flash 32-Bit MCU | NXP
Teilenummer: MCF51AC128AVFUE ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $6.2925 | $6,29 |
| 10 | $6.2925 | $62,93 |
| 100 | $6.2925 | $629,25 |
| 500 | $6.2925 | $3.146,25 |
| 1.000 | $6.2925 | $6.292,50 |
MCF51AC128AVFUE Übersicht
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.
Drop-in-Alternativen für MCF51AC128AVFUE – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit MCF51AC128AVFUE (gleiche Bauform und Footprint) – abweichend in Package, Operating Temperature, Series, Supply Voltage.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
MCF51AC128ACFUE
✅ Drop-In✓ Auf Lager
$12.18 / Stück
Datenblatt ansehen →MCF51AC256ACFUE
✅ Drop-In✓ Auf Lager
$8.12 / Stück
Datenblatt ansehen →MCF51AC256BVFUE
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
MCF51AC256AVFUE
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
MCF51AC256BCFUE
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
MCF51AC128AVFUE Grenzwerte & elektrische Eigenschaften
| Product Type | 32-bit microcontroller |
| Processor Core | ColdFire V1 |
| Maximum Operating Frequency | 50 MHz |
| Flash Memory | 128 KB |
| Flash Organization | 128K x 8 bits |
| Versorgungsspannung | 3.3 V / 5 V |
| Gehäuse | 64-QFP |
| Package Dimensions | 14 mm x 14 mm |
| Architecture | Variable-length RISC |
| Family | MCF51AC |
| Series | Flexis |
| RoHS | unknown |
| REACH | unknown |
| Montageart | Surface mount |
MCF51AC128AVFUE 14 mm x 14 mm Pinbelegungsleitfaden
Pinbelegung für MCF51AC128AVFUE (14 mm x 14 mm-Gehäuse). Dieser digitale IC umfasst GPIO, Kommunikationsschnittstellen (UART, SPI, I2C) und Versorgungspins. Alternative Pin-Funktionen und Konfigurationsoptionen entnehmen Sie dem Herstellerdatenblatt. Unverzichtbar für Embedded-System-Design und PCB-Layout.
Keine detaillierten Pinbelegungsdaten verfügbar für MCF51AC128AVFUE.
Siehe die Datenblatt für die vollständige Pin-Konfiguration.
Typische Anwendungen
MCF51AC128AVFUE ist geeignet für 7 Anwendungs: Industrial Control Board, Appliance Controller, Data Acquisition Front End, Building and HVAC Equipment, Motor and Power-System Supervisory Control, Communication Gateway Controller, Test and Measurement Instrument.
Industrial Control Board
The MCF51AC128AVFUE fits an industrial supervisory controller when the design needs 32-bit processing, a 50 MHz ColdFire V1 core, and 128 KB of Flash for control code. It can supervise sensors, execute state machines, manage digital interlocks, and coordinate actuators through the MCU’s documented peripheral resources. The 64-QFP package provides a larger external-pin footprint than a compact QFN, which can simplify routing to external interface components. Because the supplied data does not confirm RAM, ADC, timer, or serial specifications, the final controller selection requires checking the official datasheet against the industrial control loop and environmental requirements.
Empfohlen
Appliance Controller
The MCF51AC128AVFUE can serve as the central controller in an appliance or electromechanical system because its 50 MHz ColdFire V1 core provides processing headroom for user-interface logic, timing, and supervisory control. The verified 128 KB Flash capacity is suitable for firmware storage in many compact products, while the 64-QFP package makes external connections manageable on a conventional PCB. Designers must confirm the MCU’s verified I/O count, voltage tolerances, timers, communication peripherals, and operating temperature before assigning motors, relays, sensors, or display interfaces.
Empfohlen
Data Acquisition Front End
The MCF51AC128AVFUE is a candidate for data-acquisition equipment that requires deterministic embedded processing and local control rather than a high-end host processor. Its 50 MHz ColdFire V1 core can execute sampling sequencing, filtering, calibration logic, and data formatting, while the 128 KB Flash can hold application firmware. The verified material does not specify ADC resolution, sample rate, RAM, or serial protocols, so analog-front-end and communications decisions must remain conditional until those specifications are confirmed in the manufacturer documentation.
Empfohlen
Building and HVAC Equipment
The MCF51AC128AVFUE can be evaluated for building equipment and HVAC supervisory functions that combine digital inputs, control logic, communication, and configurable timing. The 32-bit ColdFire architecture and 50 MHz clock are useful for managing multiple control states and communicating with sensors or remote modules, while the 128 KB Flash supports firmware storage. Before using it in a deployed HVAC product, verify the exact peripheral set, supply limits, temperature range, watchdog behavior, and any regulatory or environmental requirements in the official NXP documentation.
Empfohlen
Motor and Power-System Supervisory Control
The MCF51AC128AVFUE can be used as a supervisory controller in motor or power-system equipment where a separate processor handles high-energy switching and the MCU manages sequencing, interlocks, diagnostics, and protection coordination. The 50 MHz core provides sufficient architectural headroom for complex control state machines, while the 128 KB Flash stores application logic. It should not be assumed to directly replace a power-semiconductor gate driver or safety controller; verify timer precision, ADC interfaces, fault pins, voltage domains, isolation requirements, and thermal limits in the manufacturer datasheet.
Empfohlen
Communication Gateway Controller
The MCF51AC128AVFUE may fit a small protocol-conversion gateway when the firmware fits within 128 KB Flash and the application needs a 32-bit control processor rather than a high-power host MCU. Its ColdFire V1 architecture can support packet handling, command routing, buffering, and device-management logic. The verified data does not identify Ethernet, USB, CAN, UART, or other communication peripherals, so gateway feasibility depends on the complete peripheral list. Use the exact NXP documentation to confirm transceiver interfaces, electrical levels, DMA behavior, and timing before selecting it.
Empfohlen
Test and Measurement Instrument
The MCF51AC128AVFUE is suitable for evaluation as a control processor in a compact test or measurement instrument when the product needs deterministic sequencing, local calibration logic, and firmware storage. The 32-bit core and 50 MHz operating point can support instrument control, status handling, and communication tasks, while the 64-QFP package permits routing to external converters and interface logic. The supplied sources do not confirm high-resolution ADC, DAC, precision references, timing resources, or operating-temperature limits, so those specifications must be verified before claiming metrology performance.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für MCF51AC128AVFUE – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | MCF51AC128ACFUE | MCF51AC256ACFUE | MCF51AC256BVFUE | MCF51AC256AVFUE | MCF51AC256BCFUE |
|---|---|---|---|---|---|---|
| Package | 64-QFP (14x14 mm) | 64-QFP (14x14 mm) | 64-QFP (14x14 mm) | 64-QFP (14x14 mm) | 64-QFP (14x14 mm) | 64-QFP (14x14 mm) |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
Wichtigste Unterscheidungsmerkmale
- Verified 128 KB Flash configuration (vs. MCF51AC256AVFUE)
- 50 MHz verified operating point (vs. MCF51AC128ACFUE)
- Documented 64-QFP 14 mm by 14 mm package (vs. MCF51AC256ACFUE)
- ColdFire V1 32-bit architecture (vs. MCF51AC256BVFUE)
Designhinweise
Estimated footprint validation is required before layout: the verified package is 64-QFP at 14 mm by 14 mm, but the exact lead pitch, exposed-pad configuration, courtyard, and pin numbering must be copied from the official package drawing. Do not infer a land pattern from the package name alone. Compare the PCB library against the NXP mechanical drawing and use a paste mask and assembly profile approved for the actual supplier.
The verified listing states 3.3 V and 5 V support, but it does not provide the complete operating voltage range or current budget. Before connecting external circuitry, confirm the device’s VDD limits, I/O pin thresholds, internal regulator behavior, startup sequence, and maximum current in the manufacturer datasheet. Add the specified decoupling capacitors at the power pins and keep return paths short to reduce supply noise.
Do not select a replacement solely because its MPN begins with MCF51AC or because a distributor lists the same 64-QFP family. Verify Flash, RAM, clock, package dimensions, pin names, peripheral mapping, voltage domains, interrupt behavior, and software compatibility. In particular, the listed MCF51AC256 variants indicate a different memory class from the 128 KB target and must not be treated as equivalent without NXP confirmation.
The supplied sources use both the historical Freescale Semiconductor name and NXP USA Inc. in distributor records. Treat that as a sourcing-history issue, not proof that every listing is identical. Confirm the manufacturer, authorized status, date code, package, and exact ordering code on the current NXP documentation before approving the component for production.
Compliance-Informationen
The supplied verified data does not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. Compliance must be confirmed from the current NXP product documentation or supplier declarations.
