MCF51AG128CQH - 32-Bit 50MHz MCU with 128KB Flash | NXP
N.º da peça: MCF51AG128CQH ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $10.7069 | $10,71 |
| 10 | $10.7069 | $107,07 |
| 100 | $10.7069 | $1.070,69 |
| 500 | $10.7069 | $5.353,45 |
| 1.000 | $10.7069 | $10.706,90 |
MCF51AG128CQH Visão geral
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.
Alternativas drop-in para MCF51AG128CQH — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com MCF51AG128CQH (mesmo formato e footprint) — diferindo em Architecture, Package, Supply Voltage.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
MCF51AG128CLF
✅ Drop-In✓ Em estoque
Consulte o preço
Ver ficha técnica →MCF51AG128CQH Classificações máximas e características elétricas
| Architecture | 32-bit ColdFire V1 RISC |
| Frequência máxima de clock | 50 MHz |
| Flash Memory | 128 KB |
| Tensão de alimentação | 3.3 V/5 V |
| Encapsulamento | 64-QFP |
| Package Dimensions | 14 x 14 mm |
| Tipo de montagem | Surface Mount |
| DMA | Available |
| I2C | Available |
| PWM | Available |
| Watchdog Timer | Available |
| Low-Voltage Detection | Available |
| Timers/Counters | 2 |
| Product Description | ColdFire V1 microcontroller |
| Application Target | Industrial and appliance applications |
| Upgrade Context | Potential upgrade from MC9S08AC128 8-bit designs |
Guia de Configuração de Pinos do MCF51AG128CQH 14 x 14 mm
Configuração de pinos para MCF51AG128CQH (pacote 14 x 14 mm). Este CI digital inclui GPIO, interfaces de comunicação (UART, SPI, I2C) e pinos de alimentação. Consulte o datasheet do fabricante para funções alternativas dos pinos e opções de configuração. Essencial para projeto de sistemas embarcados e layout de PCB.
Nenhum dado detalhado de pinagem disponível para MCF51AG128CQH.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
MCF51AG128CQH é adequado para 6 aplicaçãos: Industrial Appliance Control, Motor and Actuator Control, Sensor and Instrumentation Hub, Consumer Product Interface, Embedded Communication Controller, Appliance Safety and Supervisory Control.
Industrial Appliance Control
The MCF51AG128CQH fits industrial appliance controllers that coordinate sensors, motors, indicators, and user interfaces. Its verified 50 MHz ColdFire V1 core provides processing headroom for control state machines, while 128 KB flash supports embedded firmware and product-specific logic. DMA can move peripheral data with less processor intervention, and PWM can support timing functions where the selected pin and external driver ratings permit. The 64-QFP package keeps the device practical for compact control boards. Designers should verify operating-temperature limits, supply current, pin multiplexing, and isolation requirements before using it in a safety- or production-critical appliance.
Recomendado
Motor and Actuator Control
The MCF51AG128CQH is suitable as the supervisory controller in a motor or actuator module because the verified data lists PWM and two timers/counters alongside a 50 MHz processor. Timers can establish deterministic intervals, PWM can generate command signals, and the ColdFire V1 core can execute motion or sequencing logic. The MCU should drive a suitable gate driver, transistor stage, or interface rather than load power devices directly unless all pin limits are verified. Review timer resolution, PWM frequency, pin muxing, watchdog behavior, and thermal conditions in the datasheet before selecting external power-stage values.
Recomendado
Sensor and Instrumentation Hub
For compact instrumentation, MCF51AG128CQH can coordinate sensor readings, control signals, diagnostics, and local communication. The verified 3.3 V/5 V description supports integration with systems designed around either supply, while I2C provides a path to compatible sensors or expanders. The 128 KB flash can retain application code, calibration tables, and communication logic, although RAM and converter details remain unverified in the supplied data. Before selecting it for measurement accuracy or safety instrumentation, confirm ADC availability, resolution, reference behavior, analog pin availability, and calibration requirements in the complete manufacturer datasheet.
Recomendado
Consumer Product Interface
The MCF51AG128CQH can serve in consumer equipment requiring a compact 32-bit control core, embedded firmware, and multiple timing or communication resources. The 64-QFP 14 x 14 mm package supports board integration where a larger fine-pitch MCU is unnecessary, while the verified 128 KB flash accommodates application code without external program memory. PWM can control indicators or actuator command signals, and I2C can connect to sensors or interface devices. The design must still confirm pin availability, supply sequencing, EMC requirements, and user-interface timing. Do not assume that the presence of a 50 MHz clock guarantees a specific user experience; software workload and peripheral latency determine real performance.
Recomendado
Embedded Communication Controller
The MCF51AG128CQH can act as a low-level controller for an embedded communication node when its verified I2C, DMA, timers, and watchdog functions cover the required protocol timing. The 50 MHz ColdFire V1 core can manage local buffering and state-machine tasks, while DMA can improve data movement for supported peripheral transactions. The verified data does not specify UART, CAN, Ethernet, USB, or USB-to-serial capabilities, so those interfaces should not be assumed. Engineers should identify the exact communication transceivers, connectors, protocol timing, package pins, and firmware requirements before selecting this MCU.
Recomendado
Appliance Safety and Supervisory Control
The watchdog timer and low-voltage detection listed for MCF51AG128CQH make it relevant to supervisory functions in appliance and compact industrial products. The watchdog can help recover from a stalled control loop, while low-voltage detection can provide a basis for monitoring supply conditions. These functions support system reliability but do not constitute a complete safety certification or safety-rated control solution. Designers should confirm watchdog timing, reset behavior, brownout thresholds, operating-temperature limits, external supervisors, and independent shutdown paths in the manufacturer documentation.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para MCF51AG128CQH — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | MCF51AG128CLF |
|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors |
| Package | 64-QFP | 64-QFP - compatibility not independently confirmed |
Principais diferenciais
- 32-bit ColdFire V1 processing at up to 50 MHz (vs MCF51AG128CLF)
- Verified embedded flash capacity (vs MCF51AG128CLF)
- Industrial and appliance-oriented positioning (vs MCF51JM64VQH)
- Listed control peripherals (vs MB9AF421KWQN-G-JNE2)
Notas de projeto
Use the manufacturer 64-QFP package drawing and land pattern rather than a generic QFP footprint. Confirm pin 1 orientation, lead pitch, body dimensions, and exposed thermal or thermal-relief requirements before routing. Keep the MCU footprint within the manufacturer’s assembly and solderability limits, and provide unobstructed access for inspection and rework.
The verified data confirms 3.3 V/5 V operation but does not provide the complete current and pin-level supply requirements. Determine the valid voltage range for the selected configuration, add local decoupling according to the manufacturer guidance, and route supply and ground connections to minimize loop area. Validate startup, reset, brownout, and low-voltage detection behavior in the final power tree.
Do not treat the stated upgrade relationship from MC9S08AC128 as proof of drop-in replacement. Verify pin-by-pin multiplexing, memory architecture, interrupt vectors, peripheral registers, startup code, voltage limits, and package dimensions before migrating software or hardware. Also confirm whether a chosen peripheral is available on the exact package and pin.
For I2C or other external interfaces, follow the manufacturer’s pin-muxing and routing guidance, provide appropriate pull-ups where required, and keep sensitive timing routes away from switching nodes. PWM outputs and communication signals should be checked for crosstalk, impedance, and output loading. The supplied data does not specify electrical timing values, so use the complete datasheet for final calculations.
Informações de conformidade
The supplied verified data does not provide explicit compliance statements for MCF51AG128CQH. Compliance must be confirmed using the current manufacturer product documentation or supplier declarations.
