MC9S12DG256MPVE - 16-bit HCS12 MCU 256KB Flash | NXP
N.º de pieza: MC9S12DG256MPVE ✗ Fin de vida| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $92.18 | $92,18 |
| 10 | $87.57 | $875,70 |
| 100 | $83.19 | $8.319,00 |
| 500 | $79.03 | $39.515,00 |
| 1.000 | $75.08 | $75.080,00 |
MC9S12DG256MPVE Descripción general
A 16-bit microcontroller is a single-chip computer that integrates a processor core, memory and peripherals on one die, sitting within the broader hierarchy of MCU -> embedded processor -> semiconductor. The HCS12 (S12) family, originally developed by Motorola and Freescale and now produced by NXP, is a CISC-architecture 16-bit family widely used in automotive and industrial control, where Flash-based program memory allows field updates and pin-compatible family members enable scalable designs across memory options.
Key features of the MC9S12DG256 include 256 KB of Flash program memory for large embedded applications, 12 KB of on-chip RAM, 4 KB of EEPROM for non-volatile parameter storage, an 8-channel 10-bit analog-to-digital converter for sensor interfaces, and 91 general-purpose I/O lines. The device is fully pin compatible with other MC9S12DG-family members, letting designers choose different memory sizes without PCB redesign.
Technically, the enhanced HCS12 core executes CISC instructions with a 25 MHz maximum bus clock. The integrated Flash, RAM and EEPROM arrays are clocked from the same bus, and the peripheral set - ADC, timer, serial interfaces - is memory-mapped for fast 16-bit access. The 112-LQFP package provides a 0.5 mm pin pitch suitable for standard SMD assembly.
Typical applications include automotive multiplexing and body-control modules, industrial control systems, motor management units, and instrumentation. The automotive-oriented heritage and 91 GPIO count make it particularly well suited to node controllers that need many I/O lines and moderate compute.
Design consideration: since this part is NRND (Not Recommended for New Designs) per NXP, new designs should evaluate pin-compatible S12 successors or the alternatives listed on this page.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Alternativas directas para MC9S12DG256MPVE — 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 MC9S12DG256MPVE (mismo factor de forma y huella) — difiere en Supply Voltage, Connectivity, Peripherals, Package, Core Processor.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
MC9S12DG256BVPV
✅ Sustitución directa✓ En stock
$15.6 / unidad
Ver hoja de datos →MC9S12DT128MPVE
✅ Sustitución directa✓ En stock
$36.5 / unidad
Ver hoja de datos →MC9S12DG128MPV
✅ Sustitución directa✓ En stock
Consulte el precio
Ver hoja de datos →MC9S12DG128VFUE
✅ Sustitución directa✓ En stock
Consulte el precio
Ver hoja de datos →MC9S12E256MPVE
✅ Sustitución directa✓ En stock
$18.2 / unidad
Ver hoja de datos →MC9S12A256CFUE
✅ Sustitución directa✓ En stock
$47.08 / unidad
Ver hoja de datos →MC9S12DG256MPVE Valores máximos y características eléctricas
| Core Processor | HCS12 |
| Core Architecture | 16-bit CISC |
| Frecuencia de reloj máxima | 25 MHz |
| Flash Memory | 256 KB (256K x 8) |
| RAM | 12 KB |
| EEPROM | 4 KB |
| ADC Resolution | 10-bit |
| ADC Channels | 8 |
| GPIO Count | 91 |
| Encapsulado | 112-LQFP (20 x 20 mm) |
| Tipo de montaje | Surface Mount |
| Estado del ciclo de vida | NRND (Not Recommended for New Designs) |
Guía de configuración de pines de MC9S12DG256MPVE 112-lqfp (20 x 20 mm)
Configuración de pines para MC9S12DG256MPVE (encapsulado 112-lqfp (20 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 MC9S12DG256MPVE.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
MC9S12DG256MPVE es adecuado para 6 aplicacións: Automotive Multiplexing and Body Control, Industrial Control and Automation, Motor Management and Control Nodes, Instrumentation and Test Equipment, Building and Access Control Systems, Agricultural and Off-Highway Vehicle Electronics.
Automotive Multiplexing and Body Control
The MC9S12DG256MPVE was explicitly designed for automotive multiplexing applications, per the original Motorola family introduction. Its 91 general-purpose I/O pins directly drive relays, lamp diagnostics and switch matrices in body-control modules, while the 8-channel 10-bit ADC reads potentiometer-style position sensors and battery sense lines. The 4 KB EEPROM retains calibration and configuration data across power cycles without external memory. In a typical node, the 25 MHz HCS12 core runs the multiplex protocol stack and diagnostic handlers from the 256 KB Flash, leaving headroom for field updates. Because S12D-family members are pin compatible, OEMs can populate the same PCB with the 256 KB part for feature-rich variants and 128 KB parts for base variants, amortizing qualification costs.
Recomendado
Industrial Control and Automation
In factory automation, the MC9S12DG256MPVE serves as a main controller for machine I/O, sequencing logic and operator-interface tasks. The 25 MHz HCS12 core executes CISC instruction code efficiently for control loops, while 91 GPIO lines interface limit switches, contactors and indicators directly, reducing external logic ICs. The 10-bit ADC with 8 channels digitizes analog setpoints and feedback signals such as pressure and position, and the 4 KB EEPROM stores machine parameters and production counters through power interruptions. The 256 KB Flash accommodates protocol firmware, state machines and diagnostics, and Flash programming over the serial interface enables field firmware updates. The wide-spread availability of HCS12 development tooling and long service history simplifies sustaining engineering for long-lifecycle industrial equipment.
Recomendado
Motor Management and Control Nodes
Motor management units benefit from the MC9S12DG256MPVE's combination of ADC channels for current and temperature sensing and abundant GPIO for gate-driver enable, direction and fault lines. The 10-bit, 8-channel ADC can monitor phase currents via shunt amplifiers and the heatsink temperature simultaneously, enabling protection thresholds executed in software on the 25 MHz core. The 4 KB EEPROM stores motor-specific calibration such as current limits and ramp profiles, surviving power cycles in the field. With 256 KB Flash, the controller can hold multiple motor profile tables and diagnostic logging. Designers should implement current-loop timing carefully on the HCS12, using the timer peripherals for PWM generation and the ADC in triggered-scan mode to synchronize sampling with PWM edges for accurate average-current measurement.
Recomendado
Instrumentation and Test Equipment
Bench and portable instruments use the MC9S12DG256MPVE as a system controller managing front-panel inputs, display updates and measurement sequencing. The 10-bit ADC handles auxiliary analog channels, while the deep GPIO count (91 pins) drives keypads, LED indicators and multiplexed segment displays without expansion logic. The 256 KB Flash stores menus, calibration tables and communication firmware; the 4 KB EEPROM keeps user calibration and settings through power-off, which is essential for instruments requiring traceable calibration. The 25 MHz bus supports responsive user interfaces, and serial peripherals communicate with host PCs. Because the device is 5 V-oriented HCS12 logic, it interfaces conveniently with legacy analog front ends common in instrumentation, though NRND status means new instrument designs should weigh the S12XE successor.
Recomendado
Building and Access Control Systems
Access-control panels and door controllers map naturally onto the MC9S12DG256MPVE: card-reader interfaces, lock relays, door-position switches and request-to-exit buttons all consume GPIO, and 91 I/O lines cover multi-door configurations without port expanders. The 10-bit ADC monitors power-supply health and battery backup voltage, while the 4 KB EEPROM retains user databases and event counters across outages. The 256 KB Flash hosts the access-rule engine, audit logging and supervisory communication firmware. The HCS12 core at 25 MHz provides adequate headroom for cryptographic or checksum processing on credential data at door-controller scale. Pin compatibility across the S12D family lets panel manufacturers field a product line from a single PCB platform, populating the 256 KB part in flagship panels and 128 KB variants in economy models.
Recomendado
Agricultural and Off-Highway Vehicle Electronics
Off-highway equipment - tractors, harvesters, construction machines - uses rugged 16-bit MCU nodes for hydraulic valve control, sensor aggregation and operator-console communication. The MC9S12DG256MPVE fits these roles: the 8-channel 10-bit ADC reads pressure transducers and potentiometer joysticks; 91 GPIO drive valve solenoids via external drivers and interpret diagnostic switches; and the 4 KB EEPROM preserves implement calibration per machine. The 256 KB Flash holds application plus diagnostic code, and the HCS12's automotive pedigree means familiarity with 12 V/24 V electrical environments and transient-aware board design. Firmware CAN/serial communication links implement under the standard S12 peripheral set. Given NRND status, new off-highway platforms should consider the S12XE or S12VR families, while legacy machines continue using the MC9S12DG256 for service replacements.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para MC9S12DG256MPVE — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | MC9S12DG256BVPV | MC9S12DT128MPVE | MC9S12DG128MPV | MC9S12E256MPVE |
|---|---|---|---|---|---|
| Package | 112-LQFP (20 x 20 mm) | 112-LQFP - same | 112-LQFP - same | 112-LQFP - same | 112-LQFP - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core / Architecture | HCS12 16-bit CISC | HCS12 16-bit CISC | HCS12 16-bit CISC | HCS12 16-bit CISC | S12E 16-bit CISC |
| Flash Memory | 256 KB | 256 KB | 128 KB | 128 KB | 256 KB |
Diferenciadores clave
- Largest Flash in the DG-family 112-LQFP lineup (frente a MC9S12DG128MPV)
- On-chip EEPROM retains calibration without external memory (frente a MC9S12A256CFUE)
- Trade-off: NRND lifecycle status (frente a MC9S12XEQ384CAG)
Notas de diseño
Treat this part as NRND before starting a new design: NXP classifies MC9S12DG256MPVE as Not Recommended for New Designs, so a program started today may face last-time-buy notices mid-development. For sustaining existing designs, secure sufficient stock or pre-qualify MC9S12DG256BVPV (same 256 KB memory, same 112-LQFP footprint) as a second source. Always verify the full ordering code - speed grade and temperature suffix - against the NXP S12D family ordering table before substituting any suffix variant.
The 112-LQFP (20 x 20 mm) package uses a 0.5 mm lead pitch. Use a standard LQFP-112 land pattern per the manufacturer package outline drawing, with solder-mask-defined or non-solder-mask-defined pads matched to your assembly process capability. Keep oscillator (EXTAL/XTAL) traces short and guard them with ground, and place the ADC reference decoupling close to the VDDA/VSSA pins. Because the family is pin compatible across memory options, lay out the board once and qualify it for both 256 KB and 128 KB variants to enable dual-sourcing within the family.
Estimated: budget supply current from the 25 MHz HCS12 core plus peripheral loading and I/O drive - the exact per-mode current figures should be taken from the manufacturer datasheet current-consumption tables, which were not included in the data sources for this page. Design the 5 V-class HCS12 supply rail with margin for all 91 GPIO pins driven simultaneously at high level, and decouple each VDDX/VSSR pin pair with 100 nF ceramics plus bulk capacitance near the regulator. Verify brown-out/reset supervisor settings so EEPROM writes do not occur during supply collapse.
Información de cumplimiento
Environmental and quality data are listed on the NXP product page but specific RoHS/REACH status values were not included in the retrieved data; consult the NXP product page Environmental section.
