MCF51AC128CCPUE - 32-Bit 50MHz 128KB MCU | NXP
MPN： MCF51AC128CCPUE ✗ 停產MCF51AC128CCPUE 概覽
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.
直接替換替代品，適用於 MCF51AC128CCPUE — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： MCF51AC128CCPUE （相同外形與佔位） — 差異在於 Package, Mounting Type, Core Architecture, Series.
MCF51AC128CCFUE
✅ 直接替換📋 參考替代品（不在目錄中）
MCF51AC128ACPUE
✅ 直接替換📋 參考替代品（不在目錄中）
MCF51AC256AVPUE
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →MCF51AG128CLF
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →MCF51JM128VLHR
✅ 直接替換📋 參考替代品（不在目錄中）
MCF51AC128CCPUE 最大額定值與電氣特性
| Product Type | 32-bit microcontroller |
| Processor Core | ColdFire V1 |
| Maximum Frequency | 50 MHz |
| Flash Memory | 128 KB |
| Flash Organization | 128K x 8 bits |
| Programmable I/O | 54 pins |
| Operating Voltage Range | 2.7 V to 5.5 V |
| Ambient Temperature Range | -40°C to 85°C |
| 封裝 | 64-LQFP, 10 x 10 mm |
| Terminal Count | 64 terminals |
| 安裝類型 | Surface mount gull-wing |
| Supply Packaging | Tray |
| Low-Voltage Detection | LVD peripheral |
| Pulse-Width Modulation | PWM peripheral |
| Watchdog Timer | WDT peripheral |
| Compatibility | Pin-, peripheral-, and tool-compatible with selected 8-bit S08AC128 devices |
| Core Architecture | 32-bit RISC microcontroller |
| RoHS | unknown |
| REACH | unknown |
| AEC-Q100 Qualification | unknown |
MCF51AC128CCPUE 64-lqfp, 10 x 10 mm 腳位配置指南
MCF51AC128CCPUE（64-lqfp, 10 x 10 mm 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： MCF51AC128CCPUE.
請參閱 資料表 以查看完整腳位配置。
典型應用
MCF51AC128CCPUE 適用於 6 應用s: Industrial Automation Controller, Motor and PWM Control, Consumer Electronics Control Board, Communication and Interface Hub, Sensor and Monitoring System, Embedded Power-Control System.
Industrial Automation Controller
MCF51AC128CCPUE fits an embedded industrial controller when the design needs a 32-bit ColdFire V1 core at 50 MHz, 54 programmable I/O pins, and a 2.7 V to 5.5 V supply range. Its verified PWM and watchdog functions help coordinate actuators, timing, and fault recovery in a deterministic control loop. The -40°C to 85°C ambient specification supports industrial-temperature equipment, although the complete pin assignment and peripheral mapping must come from the exact datasheet. A practical arrangement places the MCU beside the regulated 3.3 V or 5 V rail, uses local decoupling, routes critical timing signals away from switching nodes, and validates reset and watchdog behavior during power-up and fault injection.
推薦
Motor and PWM Control
The MCF51AC128CCPUE is suitable for PWM-based actuator and motor-control functions because the verified data identifies PWM hardware, a 50 MHz processor clock, and 54 programmable I/O pins. The 50 MHz operating point supports fast firmware execution and timing calculations, while the 64-LQFP package leaves dedicated external connections for control signals and sensing. The principal trade-off is that the MCU itself does not provide a complete power stage; designers must add suitable drivers, transistor or MOSFET stages, current sensing, protection, and thermal management. Validate PWM frequency, dead time if applicable, pin multiplexing, and overcurrent response against the exact MCF51AC data before connecting a motor to a production board.
推薦
Consumer Electronics Control Board
MCF51AC128CCPUE can be used in a consumer-electronics control board that requires more digital control capability than a simple 8-bit device. Its 32-bit ColdFire V1 core, 128 KB flash, 54 I/O pins, and 3.3 V or 5 V operating compatibility provide a practical platform for user-interface state machines, sensor handling, actuator sequencing, and communication management. The 64-LQFP package is useful when a design needs numerous discrete connections rather than a very small package. Designers should budget decoupling capacitors near the supply pins, keep sensitive analog and communication traces away from fast switching paths, and verify programming and test access before the PCB is released for volume manufacturing.
推薦
Communication and Interface Hub
The 54 programmable I/O pins and 50 MHz ColdFire V1 processing capability make MCF51AC128CCPUE a candidate for a small communication or interface hub that coordinates serial links, status signals, and local control functions. The MCU can centralize protocol handling and supervisory logic while the 2.7 V to 5.5 V range supports common embedded rails. The verified data does not specify the exact serial peripherals, pin multiplexing, or transceiver interface for this order code, so those details must be taken from the manufacturer datasheet. Use short, controlled routes for high-speed signals, provide proper termination where required, and keep switching-regulator and communication-ground paths arranged to minimize noise coupling into sensitive logic.
推薦
Sensor and Monitoring System
MCF51AC128CCPUE is appropriate for sensor aggregation and supervisory monitoring when the design benefits from a 32-bit processor, 128 KB program storage, and 54 programmable digital I/O pins. The MCU can sample switches and sensors, apply control logic, manage alarm outputs, and use the watchdog to recover from a stalled software task. The verified 2.7 V to 5.5 V operating range permits integration with 3.3 V or 5 V sensor interfaces, but sensor accuracy depends on the external analog front end, reference, and layout. Keep high-current or switching traces separated from measurement wiring, verify low-voltage detection behavior, and test the complete firmware under sensor disconnection and power-transient conditions.
推薦
Embedded Power-Control System
MCF51AC128CCPUE can serve as the supervisory controller in an embedded power system where firmware must monitor operating conditions and coordinate enable, reset, or fault signals. The verified LVD peripheral is relevant to power-condition monitoring, while the watchdog supports recovery from unexpected firmware or hardware lockups. Its 50 MHz core and 128 KB flash provide room for state machines, protection logic, and diagnostics. The MCU should not be assumed to replace a dedicated power converter or high-voltage driver; those functions require separate hardware with appropriate voltage, isolation, thermal, and protection ratings. Validate reset thresholds, brownout behavior, output sequencing, and watchdog timing using the exact datasheet and a representative power-supply prototype.
推薦
推薦產品摘要
工程參考資料，適用於 MCF51AC128CCPUE — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | MCF51AC128CCFUE | MCF51AC128ACPUE | MCF51AC256AVPUE | MCF51AG128CLF | MCF51JM128VLHR |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
主要差異化特點
- Confirmed 128 KB flash configuration (對比MCF51AC256AVPUE)
- Verified 50 MHz operating point (對比MCF51AC128CCPUE)
- 54 programmable I/O pins (對比MCF51AC128CCFUE)
設計說明
The verified operating range is 2.7 V to 5.5 V, so select the system rail and regulator with the exact MCF51AC128CCPUE supply limits from the manufacturer datasheet. Place required bypass capacitors close to the device supply pins, keep the high-current return path short, and avoid routing switching-node current through the MCU ground region. Check the design at both expected rail tolerance and transient conditions before production.
Preserve the manufacturer 64-LQFP land pattern and thermal-pad or exposed-area requirements, if applicable to the exact package drawing. Keep clock, reset, programming, and high-speed communication traces short where possible. Separate sensitive measurement or analog routing from PWM and switching-converter paths, and use a ground strategy that minimizes return-current loops across the 50 MHz digital system.
Do not rely on a distributor pinout image as a substitute for the exact datasheet. Confirm all 64 terminals, power pins, ground pins, programming signals, reset behavior, alternate functions, unused pins, and peripheral multiplexing before routing or writing device initialization code. Also verify the package suffix, tray packaging, temperature grade, and ordering code because MCF51AC variants can differ in suffix-specific behavior.
Although the processor operates at 50 MHz, the external interface requirements depend on the selected pins and peripherals. Maintain controlled return paths, avoid long unterminated routes, and validate clock, communication, and PWM edges on the final PCB. If the system combines the MCU with switching converters or long external cables, measure conducted and radiated noise rather than assuming the nominal clock rate alone guarantees signal integrity.
合規資訊
The verified snippets identify industrial-temperature operation and tray packaging, but do not provide explicit RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statements. Compliance must be confirmed from the current manufacturer product documentation or supplier declaration.