MC9S12B256MPVE - 16-Bit 25MHz 256KB Flash MCU | NXP
N.º de pieza: MC9S12B256MPVE ✓ Activo| Cant. | Precio unitario | Total |
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| 1 | $0 | $0,00 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1.000 | $0 | $0,00 |
MC9S12B256MPVE Descripción general
A microcontroller is a programmable integrated circuit that executes firmware, reads sensor inputs, controls actuators, and coordinates communication with other electronics. In the broader semiconductor hierarchy, this device is a 16-bit MCU within the embedded-processing category. Its HCS12 architecture combines flash-backed program storage with integrated peripherals, making it suitable for control-oriented systems that need deterministic embedded logic rather than a general-purpose desktop processor.
The three most prominent verified specifications are the 16-bit CPU architecture, 25 MHz operating frequency, and 256 KB flash capacity. Additional details such as RAM capacity, supply voltage, peripheral inventory, temperature range, timers, communication interfaces, and electrical limits are not exposed in the supplied verified records. Those values must be taken from the manufacturer datasheet rather than inferred from the family name or distributor category text.
The MC9S12B family is associated with automotive multiplexing applications, where one electronic module may exchange data with several other modules while also performing local control. Its flash-based design allows firmware to be programmed and revised without removing the device from its circuit. The verified DigiKey record identifies the part specifically as a 16-bit, 25 MHz MCU with 256 KB flash in a 112-LQFP package.
Typical design contexts include body and vehicle multiplexing modules, distributed control units, sensor-interface controllers, actuator controllers, industrial communication equipment, and compact embedded platforms that need a 16-bit MCU. For automotive or industrial use, the complete datasheet must confirm electrical limits, automotive qualification, environmental ratings, transceiver behavior, and any timing constraints before the design is released.
The LQFP footprint requires careful escape routing and thermal-aware PCB layout. Because the complete verified dataset does not expose exact pin assignments, pin multiplexing rules, clock requirements, decoupling values, or absolute maximum ratings, engineers should use the official MC9S12B256 documentation and preserve its reference-layout recommendations. The supplied Octopart page offers a route to the latest available datasheet and aggregated technical information.
This page consolidates verified distributor specifications, sourcing links, application context, and explicit data gaps. It intentionally does not invent memory values, voltage ranges, pin names, timing limits, or lifecycle claims that are absent from the supplied records. Availability and pricing also require confirmation at order time because the provided results contain no numeric price or current stock figure.
Alternativas directas para MC9S12B256MPVE — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con MC9S12B256MPVE (mismo factor de forma y huella) — difiere en CPU Architecture, Family, Package.
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Solicitar alternativasMC9S12B256MPVE Valores máximos y características eléctricas
| Product Type | 16-bit microcontroller |
| CPU Architecture | HCS12 |
| Frecuencia de reloj máxima | 25 MHz |
| Flash Memory | 256 KB |
| Flash Organization | 256K x 8 bits |
| Program Memory Type | Flash |
| Encapsulado | 112-LQFP (20 mm x 20 mm) |
| Recuento de pines | 112 pins |
| Tipo de montaje | Surface mount |
| Application Category | Automotive multiplexing |
| Family | MC9S12B family |
Guía de configuración de pines de MC9S12B256MPVE 112-lqfp (20 mm x 20 mm)
Configuración de pines para MC9S12B256MPVE (encapsulado 112-lqfp (20 mm x 20 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 MC9S12B256MPVE.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
MC9S12B256MPVE es adecuado para 6 aplicacións: Automotive Multiplexing Modules, Distributed Vehicle Control Units, Sensor Interface Controllers, Actuator Control Modules, Industrial Communication Equipment, Embedded Data Acquisition Systems.
Automotive Multiplexing Modules
The MC9S12B256MPVE fits consideration for an automotive multiplexing module because the verified MC9S12B family is explicitly associated with automotive multiplexing applications. Its 16-bit HCS12 architecture and 25 MHz clock provide embedded processing for coordinating local control functions, while 256 KB of flash stores firmware for protocol handling and diagnostics. A 112-LQFP package offers 112 external leads for power, ground, communications, timing, and control signaling. The exact transceiver set and automotive qualification must be confirmed in the manufacturer datasheet before production release.
Recomendado
Distributed Vehicle Control Units
A distributed vehicle control unit can use the MC9S12B256MPVE when its architecture requires a dedicated 16-bit controller rather than a shared high-performance processor. The verified 25 MHz operating frequency supports responsive embedded tasks, and 256 KB of flash provides dedicated nonvolatile program storage. The MC9S12B family's automotive-multiplexing heritage makes the device relevant to nodes that receive commands, evaluate inputs, and drive outputs. Exact CAN, LIN, timer, input, output, diagnostic, and voltage specifications were not supplied and remain mandatory engineering checks.
Recomendado
Sensor Interface Controllers
The MC9S12B256MPVE is suitable for evaluating in a sensor-interface controller that acquires inputs, applies filtering or control logic, and coordinates downstream communication. Its 16-bit architecture and 25 MHz clock provide more processing headroom than a basic 8-bit controller, while 256 KB of flash can retain application firmware and nonvolatile parameters. The 112-LQFP package provides a large number of external pins for mixed-signal and digital connectivity. Verify analog resources, comparator availability, ADC characteristics, sensor interfaces, and pin multiplexing because those specifications are absent from the supplied data.
Recomendado
Actuator Control Modules
The MC9S12B256MPVE can serve as the basis for an actuator-control module when firmware must sequence outputs and respond to system commands. Its verified 25 MHz HCS12 processor supports deterministic embedded execution, and its 256 KB flash capacity separates program storage from the external nonvolatile requirements of smaller control devices. The family connection to automotive multiplexing supports distributed control use cases. Before selecting it, confirm PWM channels, timer resolution, output-drive limits, diagnostic coverage, supply voltage, and package-level thermal constraints in the exact datasheet.
Recomendado
Industrial Communication Equipment
The MC9S12B256MPVE is relevant to compact industrial communication equipment that needs local protocol processing, firmware storage, and real-time control. The 16-bit HCS12 MCU runs at up to 25 MHz and provides 256 KB of flash, allowing a dedicated node to manage messages and peripheral states without relying on an external processor. Its 112-LQFP package exposes more pins than a small-outline control device, which can simplify routing for multiple interfaces. Industrial suitability still requires verification of temperature range, emissions, communications, isolation strategy, and long-term availability.
Recomendado
Embedded Data Acquisition Systems
An embedded data-acquisition system can use the MC9S12B256MPVE when acquisition timing, local preprocessing, and protocol handling must be handled by one flash-based MCU. Its verified 25 MHz clock and 256 KB flash capacity provide resources for acquisition control code and buffering logic, while the 112-LQFP package supports numerous external signal connections. The verified records do not specify ADC resolution, conversion rate, memory interfaces, or communication blocks. Those capabilities, along with input voltage and timing margins, must be checked before assigning analog channels or designing the acquisition front end.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para MC9S12B256MPVE — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Notas de diseño
Treat the 112-LQFP footprint as a fine-pitch routing problem and use the exact NXP package drawing for lands, solder-mask clearance, and paste volume. Keep supply and ground connections close to their assigned pins, preserve the datasheet reference decoupling pattern, and route high-current or sensitive signals away from switching nodes. The verified data confirms a 20 mm by 20 mm 112-LQFP package but does not supply the pin map, so a generic footprint must not be used.
Do not substitute a microcontroller based only on its 16-bit word length or 25 MHz headline frequency. A drop-in replacement must also preserve the 112-LQFP pin functions, 256 KB flash organization, memory map, clocking, reset behavior, peripherals, electrical limits, and software compatibility. The supplied family description mentions pin-compatible MC9S12B members, but it does not identify an exact validated alternative MPN. Confirm every substitution against the manufacturer tables before layout release.
Power sequencing, decoupling, and voltage levels require validation from the exact manufacturer datasheet because no supply-voltage range or absolute maximum ratings are present in the verified records. Provide local bulk and high-frequency decoupling according to the reference design, keep return-current paths continuous, and analyze startup current before sharing a rail with other loads. Do not infer safe voltage levels from the MCU's automotive or industrial application context.
Assign communication, timing, debug, and control signals only after checking their multiplexing and electrical characteristics in the exact pin table. The verified dataset does not expose transceiver standards, pin directions, pull-up requirements, or signal-level thresholds. These omissions are particularly important in multiplexed networks where software configuration, termination, and wake-up behavior determine signal integrity. Capture the relevant pin names and alternate functions directly from the manufacturer documentation before schematic capture.
Información de cumplimiento
The supplied verified records associate the MC9S12B family with automotive multiplexing but do not explicitly state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. These fields remain unknown rather than being inferred from the application description.
