MC9S12GC128CFUE - 16-Bit 50MHz 128KB MCU | NXP | Automotive
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MC9S12GC128CFUE Descripción general
A microcontroller is an embedded integrated circuit that executes firmware, reads sensor inputs, controls actuators, and coordinates communication and timing within a larger electronic system. The MC9S12GC128 belongs to the HCS12 family and combines a CPU core, program flash, data memory, clocking, and on-chip peripherals in one package. Its full 16-bit architecture distinguishes it from 8-bit MCUs in applications where wider arithmetic, control loops, and peripheral data paths are useful.
The headline features are the 50 MHz operating capability, 128 KB of 128 K x 8 flash, full 16-bit data paths, and integrated PLL. NXP describes the MC9S12GC128 as incorporating high-end on-chip peripherals for automotive designs. The PLL supports flexible clock generation, while the external 2.97 V to 5.5 V supply range accommodates regulated automotive and industrial rails. An internal bandgap-based regulator, identified as Vreg by NXP, produces the internal digital supply voltage.
The MC9S12GC128CFUE is available in an 80-QFP 14 x 14 mm package. Distributor records identify the device as an NRND part, so new designs should account for product-change notices and confirm availability before committing to a production schedule. Verify the ordering suffix, pin functions, electrical limits, memory map, and peripheral configuration against the current manufacturer documentation before schematic capture.
Typical applications include automotive body and vehicle-control modules, motor-control and actuator-control systems, sensor-conditioning equipment, gateway or communication modules, and compact embedded industrial controllers. Its 16-bit data paths and integrated peripherals allow control logic to be consolidated when board space and deterministic embedded processing are priorities.
Power and layout design should begin with the verified external supply range of 2.97 V to 5.5 V and place required decoupling close to the device. Because package, clock, flash, and peripheral details vary across source snippets, engineers should resolve conflicting distributor descriptions against the official manufacturer datasheet before release.
This page consolidates manufacturer and distributor information, package facts, application guidance, replacement caveats, and sourcing context. It distinguishes verified facts from unavailable parameters and avoids presenting unverified electrical, price, and lifecycle details as guaranteed production data.
Alternativas directas para MC9S12GC128CFUE — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
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Modelos de la misma serie compatibles directamente con MC9S12GC128CFUE (mismo factor de forma y huella) — difiere en Connectivity, Core Processor, Number of I/O, Package, Package / Case.
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MC9S12GC128CPBER
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Ver hoja de datos →MC9S12GC128MFUE
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Ver hoja de datos →MC9S12E128CFUE
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Ver hoja de datos →MC9S12GC128CFUER
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MC9S12GC128CFUE
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Ver hoja de datos →MC9S12GC128CFUE Valores máximos y características eléctricas
| Product Type | 16-bit HCS12 automotive microcontroller |
| Maximum Listed Clock Frequency | 50 MHz |
| Flash Memory | 128 KB (128K x 8) |
| CPU Data Path | 16-bit |
| External Supply Range | 2.97 V to 5.5 V |
| Clocking | On-chip phase-lock loop (PLL) |
| Internal Supply | Bandgap-based Vreg |
| Encapsulado | 80-QFP (14 x 14 mm) |
| Lead Count | 80 pins |
| Tipo de montaje | Surface mount |
| Series | HCS12 / S12GC |
| Target Application | Automotive designs |
| Estado del ciclo de vida | NRND |
Guía de configuración de pines de MC9S12GC128CFUE 80-qfp (14 x 14 mm)
Configuración de pines para MC9S12GC128CFUE (encapsulado 80-qfp (14 x 14 mm)). Este CI digital incluye GPIO, interfaces de comunicación (UART, SPI, I2C) y pines de alimentación. Consulte la hoja de datos del fabricante para conocer las funciones alternativas de los pines y las opciones de configuración. Esencial para el diseño de sistemas embebidos y el diseño de PCB.
No hay datos detallados de patillaje disponibles para MC9S12GC128CFUE.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
MC9S12GC128CFUE es adecuado para 6 aplicacións: Automotive Body Control Module, Automotive Sensor Interface, Actuator and Motor Control, Vehicle Communication Gateway, Industrial Embedded Controller, Diagnostic and Service Electronics.
Automotive Body Control Module
The MC9S12GC128CFUE fits body-control modules that coordinate switches, lamps, locks, sensors, and vehicle-level logic. Its 16-bit HCS12 architecture provides a wider processing path than an 8-bit controller, while 128 KB of flash supports embedded control software and diagnostic routines. The integrated PLL and verified 2.97 V to 5.5 V external supply range help simplify system-clock and power planning. Because the part is NRND, an existing module design should confirm longevity and software-support requirements before further production growth.
Recomendado
Automotive Sensor Interface
Use the MC9S12GC128CFUE in an embedded sensor interface that converts physical inputs into vehicle-network or actuator-control data. The full 16-bit data paths are useful for filtering and scaling sensor information, and the 128 KB flash capacity can hold calibration tables, diagnostics, and application firmware. The PLL can support a controlled clocking scheme, while the external supply range provides a defined starting point for automotive power regulation. Verify every peripheral, electrical limit, and qualification requirement against the manufacturer datasheet.
Recomendado
Actuator and Motor Control
The MC9S12GC128CFUE can serve as the supervisory controller for actuators, relays, valves, or small motor subsystems when the control task requires deterministic embedded firmware and local coordination. Its 16-bit architecture supports arithmetic and control calculations, while the integrated PLL assists with timing and peripheral synchronization. The controller should operate behind suitable automotive power regulation, signal conditioning, and protection stages. Exact PWM, timer, capture, and analog peripherals must be verified because the supplied snippets do not enumerate the complete peripheral set.
Recomendado
Vehicle Communication Gateway
MC9S12GC128CFUE is suitable for a compact gateway that handles vehicle messages, diagnostics, and coordination between embedded subsystems. Its 128 KB flash provides room for protocol handlers and diagnostic routines, while the 16-bit CPU supports the broader data movement associated with communication-oriented control. The 80-QFP 14 x 14 mm package supports conventional surface-mount assembly, but pin-level routing depends on the selected communication peripherals and multiplexing. Validate protocol timing, transceiver interface, and software compatibility with the official documentation.
Recomendado
Industrial Embedded Controller
Although the verified NXP positioning is automotive-oriented, the MC9S12GC128CFUE can be evaluated for compact embedded industrial controllers with fixed control functions. Its 16-bit data paths, 128 KB flash, and PLL support local logic, parameter storage, sequencing, and communications. The 2.97 V to 5.5 V external supply range can simplify integration with regulated industrial rails, subject to detailed electrical verification. The NRND status makes it more appropriate for maintaining an existing qualified platform than for an unrestricted new design.
Recomendado
Diagnostic and Service Electronics
The MC9S12GC128CFUE can support an embedded diagnostic or service module that records operating data, manages tests, and coordinates vehicle subsystems. The 128 KB flash capacity is relevant for diagnostic code, configuration data, and service routines, while the 16-bit architecture supports computation and protocol handling. Its automotive-design orientation makes it relevant to established vehicle electronics, but the supplied sources do not confirm a specific AEC-Q100 grade. Confirm environmental qualification and any customer-specific automotive validation requirements before deployment.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para MC9S12GC128CFUE — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | MC9S12GC128CPBE | MC9S12GC128CPBER | MC9S12GC128MFUE | MC9S12E128CFUE |
|---|---|---|---|---|---|
| Package | 80-QFP (14x14 mm) | 80-QFP (14x14 mm) | 80-QFP (14x14 mm) | 80-QFP (14x14 mm) | 80-QFP (14x14 mm) |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
Diferenciadores clave
- Verified 128 KB flash configuration (frente a MC9S12GC96CFUE)
- Verified 50 MHz maximum listed frequency (frente a MC9S12GC128CPBE)
- Established 80-QFP 14 x 14 mm package target (frente a MC9S12E128CFUE)
- NRND lifecycle visibility (frente a MC9S12GC128CFUER)
Notas de diseño
Design the supply network around the verified 2.97 V to 5.5 V external operating range. Confirm the absolute maximum and recommended operating limits from the NXP datasheet before selecting the regulator, protection devices, and fault tolerance. Place local decoupling at the MCU supply pins with the shortest possible return path, and account for internal Vreg behavior when planning power-up, reset, and brownout testing.
The verified device includes a phase-lock loop, but PLL setup ranges, lock time, jitter, and clock-source limitations are not included in the supplied snippets. Use the manufacturer clocking procedure to configure the PLL, verify lock limits across temperature and voltage, and provide a deterministic clock tree for peripherals. Do not infer that a nominal 50 MHz operating point is valid for every voltage, temperature, or peripheral configuration.
The MC9S12GC128CFUE uses an 80-QFP 14 x 14 mm package, so keep the footprint, pin-one orientation, thermal or exposed-pad requirements, and assembly clearances tied to the official package drawing. Route high-current and high-current-transition supply paths away from sensitive signal inputs, and provide continuous ground distribution beneath and around the device where supported by the package design.
Do not treat the 128 KB flash value as proof that any similarly named MC9S12 part is interchangeable. Compare the complete pin function table, memory map, RAM and EEPROM resources, peripherals, interrupt priorities, timing, electrical limits, temperature grade, and software tool support. The cross-reference data identifies related parts but does not verify true drop-in equivalence for all of them.
NXP lists MC9S12GC128CFUE as NRND. Maintain an approved-source strategy, record manufacturer and distributor traceability, and review the product-change notice before extending an existing automotive program. For new development, evaluate current lifecycle alternatives with a complete requirements review rather than assuming that an MC9S12-family substitute preserves software, pinout, qualification, or production continuity.
Información de cumplimiento
The verified sources identify the device as an automotive-oriented NXP Semiconductors HCS12 microcontroller but do not explicitly state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. Obtain current manufacturer compliance and quality documentation before making a compliance claim.
