MC9S12DG128BVFU - 16-Bit 50MHz 128KB Flash Automotive MCU | NXP
N.º de pieza: MC9S12DG128BVFU ✗ Fin de vida| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $18.5 | $18,50 |
| 10 | $16.2 | $162,00 |
| 100 | $13.95 | $1.395,00 |
| 500 | $11.8 | $5.900,00 |
| 1.000 | $10.4 | $10.400,00 |
MC9S12DG128BVFU Descripción general
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (ROM/RAM/Flash), and peripherals such as timers, ADCs, and communication interfaces into one package. The MC9S12DG128BVFU belongs to the HCS12 (or S12X) family - a 16-bit CISC architecture from NXP (formerly Motorola/Freescale) widely used in automotive body electronics, chassis control, and industrial automation. Within the broader taxonomy, MCUs sit under microcontrollers > embedded processors > semiconductor devices.
Key features include the CPU12 core at 50 MHz, 128KB flash with EEPROM emulation, two CAN 2.0 controllers supporting automotive networking, two SCI (UART) channels, two SPI channels, one I2C channel, an 8-channel 10-bit ADC, PWM modules, and a Background Debug Mode (BDM) interface for non-intrusive in-circuit debugging. The device operates from 2.5V or 5V supplies with low-power stop and wait modes, making it suitable for energy-conscious automotive designs.
The HCS12 architecture uses a 16-bit data path with 20-bit address space, supporting up to 1MB of linear addressing. The integrated Enhanced Capture Timer (ECT) module provides 16-bit input capture/output compare with pulse-width modulation capability. The 80-pin PQFP package offers strong thermal performance and is compatible with conventional SMT assembly lines, although newer QFP leadframes or QFN alternatives are increasingly preferred for miniaturized designs.
Typical applications include automotive body controllers, instrument clusters, HVAC modules, central locking systems, CAN nodes, seat controllers, and industrial PLC interfaces. The combination of CAN + SCI + SPI + I2C makes it particularly well suited to gateway nodes that bridge LIN sub-nets with a CAN backbone. The wide operating temperature range and AEC-Q100 grade extend its use to under-hood and chassis electronics.
When designing with this MCU, ensure proper decoupling on each supply pin, maintain the specified 50 MHz oscillator tolerance, and respect the 5V-tolerant I/O pin assignments. For firmware development, NXP's CodeWarrior (legacy) and S32 Design Studio toolchains provide full compiler, debugger, and BDM support; the BDM interface simplifies real-time debug without halting the CPU.
Alternativas directas para MC9S12DG128BVFU — 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 MC9S12DG128BVFU (mismo factor de forma y huella) — difiere en Package, Supply Voltage, Core Architecture, Core Processor, Lifecycle Status.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
MC9S12DG128VFUE
✅ Sustitución directa✓ En stock
Consulte el precio
Ver hoja de datos →MC9S12DG128MPV
✅ Sustitución directa✓ En stock
Consulte el precio
Ver hoja de datos →MC9S12DT128MPVE
✅ Sustitución directa✓ En stock
$36.5 / unidad
Ver hoja de datos →MC9S12DJ128MFUE
✅ Sustitución directa✓ En stock
$10.75 / unidad
Ver hoja de datos →MC9S12DB128CFUE
✅ Sustitución directa✓ En stock
$14.85 / unidad
Ver hoja de datos →MC9S12C128VFAE
✅ Sustitución directa✓ En stock
$9.75 / unidad
Ver hoja de datos →MC9S12DG128BVFU Valores máximos y características eléctricas
| Core Architecture | HCS12 (CPU12) 16-bit CISC |
| Maximum CPU Frequency | 50 MHz |
| Flash Memory | 128 KB |
| RAM | 8 KB |
| EEPROM | 2 KB |
| Encapsulado | 80-pin PQFP (QFP-80) |
| Operating Voltage | 2.5 V or 5 V |
| CAN Controllers | 2 x CAN 2.0A/B |
| SCI (UART) Channels | 2 |
| SPI Channels | 2 |
| I2C Channels | 1 |
| ADC | 8-channel 10-bit |
| Timer Module | Enhanced Capture Timer (ECT), 16-bit |
| Debug Interface | Background Debug Mode (BDM) |
| Automotive Qualification | AEC-Q100 |
| Tipo de montaje | Surface Mount |
Guía de configuración de pines de MC9S12DG128BVFU 80-pin pqfp (qfp-80)
Configuración de pines para MC9S12DG128BVFU (encapsulado 80-pin pqfp (qfp-80)). 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 MC9S12DG128BVFU.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
MC9S12DG128BVFU es adecuado para 6 aplicacións: Automotive Body Control Module, Instrument Cluster Display Driver, HVAC Control Module, Industrial CAN Gateway / PLC Interface, Central Locking / Door Module, Automotive Seat Controller.
Automotive Body Control Module
The MC9S12DG128BVFU's combination of 128KB flash, 50 MHz CPU12 core, dual CAN 2.0 controllers, and AEC-Q100 qualification makes it an ideal candidate for automotive body control modules. Body controllers typically aggregate inputs from door switches, light sensors, and CAN messages, then drive relays, lamps, and stepper motors. The dual CAN controllers enable the part to act as a gateway between high-speed CAN powertrain buses and low-speed CAN body buses, bridging message traffic between sub-networks. AEC-Q100 qualification ensures reliable operation across the wide automotive temperature range, including cold-start conditions at -40C. The 128KB flash supports substantial firmware images for body-controller logic, while the 8KB RAM is sufficient for message buffering and CAN protocol stacks.
Recomendado
Instrument Cluster Display Driver
Instrument clusters need real-time responsiveness, reliable CAN communication, and sufficient code space for graphics and warning logic. The MC9S12DG128BVFU's 50 MHz CPU12 core handles gauge driving, odometer calculations, and CAN message parsing simultaneously. Its 16-bit Enhanced Capture Timer (ECT) generates accurate PWM for analog gauge pointer motors, while the 8-channel 10-bit ADC reads fuel level, temperature, and ambient light sensors. The SCI/SPI interfaces connect to companion display-driver ICs and stepper-motor controllers. AEC-Q100 qualification and extended operating temperature support ensure reliable operation across vehicle lifetime, including under-hood temperature transients.
Recomendado
HVAC Control Module
HVAC modules in modern vehicles use a microcontroller to manage blower speeds, temperature blending, mode doors, and CAN communication with the body controller. The MC9S12DG128BVFU fits this role with 128KB of flash for HVAC control algorithms, dual CAN for body-network integration, and PWM outputs from the ECT for driving blower motor FETs. Its 2.5V/5V dual-voltage capability simplifies integration with both 5V analog signal conditioning and 3.3V digital logic. The 8-channel ADC reads cabin temperature, humidity, and sun-load sensors. The 16-bit core handles PID control loops for temperature regulation without taxing the CPU budget.
Recomendado
Industrial CAN Gateway / PLC Interface
Industrial applications benefit from the MC9S12DG128BVFU's dual CAN controllers and rich serial connectivity for protocol-conversion gateway nodes. The MCU bridges CANopen or DeviceNet messages with RS-232/RS-485 SCI links and SPI-connected sensors, while the I2C channel drives EEPROM for configuration storage. The 128KB flash supports full CANopen stack implementations plus application logic. AEC-Q100 qualification, while primarily an automotive standard, indicates robust ESD and EMC performance that industrial designers also value. The 80-pin PQFP package supports through-hole-friendly prototypes and conventional SMT assembly for low-volume industrial products.
Recomendado
Central Locking / Door Module
Door modules in vehicles must communicate with the body controller over CAN while driving mirror adjusters, window lifts, lock actuators, and reading switch inputs. The MC9S12DG128BVFU's peripheral mix matches this task: CAN bus for body-network communication, PWM channels for window and mirror motor control, ADC channels for switch and current-sense inputs, and SPI for connecting external motor-driver ICs. The 128KB flash stores door-module firmware including diagnostic routines. AEC-Q100 and the extended operating range guarantee door-module reliability across all climate zones.
Recomendado
Automotive Seat Controller
Power seat modules integrate multiple motors (slide, recline, height, lumbar), position sensors, and CAN communication for memory-position recall. The MC9S12DG128BVFU fits this application with 16-bit PWM outputs for motor control, ADC channels for position-sensor feedback, CAN for body-network integration, and 128KB flash for storing seat-position memory profiles and motor-control algorithms. AEC-Q100 qualification and the dual-voltage supply simplify integration with 5V analog position sensors and 3.3V digital logic. The 80-pin PQFP package provides the pin count required for multiple motor-driver connections.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para MC9S12DG128BVFU — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | MC9S12DG128VFUE | MC9S12DG128MPV | MC9S12DT128MPVE | MC9S12DJ128MFUE | MC9S12DB128CFUE |
|---|---|---|---|---|---|---|
| Package | 80-pin PQFP (QFP-80) | 80-pin PQFP (QFP-80) - same | 80-pin PQFP (QFP-80) - same | 80-pin PQFP (QFP-80) - same | 80-pin PQFP (QFP-80) - same | 80-pin PQFP (QFP-80) - same |
| Brand | NXP Semiconductors | NXP Semiconductors - same | NXP Semiconductors - same | NXP Semiconductors - same | NXP Semiconductors - same | NXP Semiconductors - same |
| Core | HCS12 (CPU12) 16-bit | HCS12 (CPU12) 16-bit - same | HCS12 (CPU12) 16-bit - same | HCS12 (CPU12) 16-bit - same | HCS12 (CPU12) 16-bit - same | HCS12 (CPU12) 16-bit - same |
| Maximum CPU Frequency | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz |
| Flash Memory | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| CAN Controllers | 2 | 2 | 2 | 2 | 2 | 2 |
| Automotive Qualification | AEC-Q100 | AEC-Q100 | AEC-Q100 | AEC-Q100 | AEC-Q100 | AEC-Q100 |
Diferenciadores clave
- Comprehensive multi-protocol peripheral integration (frente a MC9S12DJ128MFUE)
- AEC-Q100 automotive qualification (frente a MC9S12C128VFAE)
- Mask-set flexibility within the HCS12 family (frente a MC9S12DT128MPVE)
Notas de diseño
The MC9S12DG128BVFU supports dual-voltage operation at 2.5V or 5V. Provide separate decoupling on each VDD pin (typically 100nF ceramic in parallel with 4.7uF bulk) placed as close to the IC as possible. The internal voltage regulator for the core requires a stable external supply - add a low-ESR bypass capacitor on the VDDR pin to handle the inrush during stop/wake transitions. Power sequencing should ensure VDD rises before VDDR or use the device's built-in POR (Power-On Reset) to manage the sequence automatically.
For the 80-pin PQFP package, route signals on inner PCB layers using the package's 0.5 mm or 0.65 mm lead pitch. Provide a continuous ground plane beneath the device for thermal dissipation and EMI suppression. Keep CANH/CANL traces short, matched-length, and routed differentially with characteristic impedance of approximately 120 ohms. Place the CAN transceiver IC close to the MCU's CAN pins to minimize stub lengths. The BDM (Background Debug Mode) connector should be accessible without disturbing in-circuit operation - route BKGD, GND, and RESET to a 2x3 or 1x6 pin header for field debugging.
Do not exceed the absolute maximum ratings on any I/O pin (typically 5.5V on 5V-tolerant pins). The MCU's PLL configuration requires careful oscillator and PLL filter design - refer to the MC9S12DT128B device user guide section on clocking for exact component values. When migrating between mask-set variants (DG, DT, DJ, DB), verify that any peripheral-mapping differences (especially CAN channel assignments and timer routing) do not affect existing firmware. Avoid leaving unused I/O pins floating; configure them as outputs or enable internal pull-ups to reduce EMI susceptibility.
Información de cumplimiento
AEC-Q100 qualification is stated in the verified part description (automotive grade). RoHS, REACH, lead-free, halogen-free, and conflict-minerals status are marked unknown because the verified web data did not contain explicit compliance claims for these certifications; consult NXP's product compliance documentation for definitive answers.
