MC9S12DG128VFUE - 16-bit HCS12 MCU, 128KB Flash | NXP
N.º da peça: MC9S12DG128VFUE ✗ Fim de vida| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $0 | $0,00 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1.000 | $0 | $0,00 |
MC9S12DG128VFUE Visão geral
A microcontroller unit (MCU) is a single integrated circuit that combines a processor core, memory, and programmable peripherals into one chip, forming the lowest layer of the embedded-system hierarchy (system-on-chip -> microcontroller -> processor family -> semiconductor device). The HCS12 (S12) family from Motorola/Freescale, now NXP, is a 16-bit CISC architecture widely used in automotive and industrial control, and MC9S12DG128VFUE belongs to the S12DG member of that family.
Key features include 128KB Flash program memory, 8KB RAM (8K x 8), 2KB EEPROM, CANbus, I2C, SCI, and SPI connectivity, an 8-channel pulse-width modulator (PWM), a watchdog timer (WDT), and two 8-channel 10-bit ADCs per the NXP product page. The device operates over an automotive temperature range and is AEC-Q100 capable per distributor listings (Arrow).
Architecturally, the S12 core integrates standard on-chip peripherals including two asynchronous serial communications interfaces, an 8-channel input capture/output capture enhanced timer, and an Inter-IC Bus, with interrupt control, clock generation, and system resource mapping on-chip. The Flash-based memory design supports in-system reprogramming for field updates.
Typical applications include automotive multiplexing, body electronics, industrial automation, and motor control, where the CAN interface and 5V-tolerant I/O are essential. It is also popular in hobby and educational automotive ECU projects.
Design consideration: the VFU suffix denotes the 80-pin QFP package and specific speed/temperature grade; verify the bus-clock divider configuration so the 25 MHz maximum bus frequency is not exceeded during oscillator setup.
This page synthesizes distributor pricing structure, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, as of 2026-10-18.
Alternativas drop-in para MC9S12DG128VFUE — 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 MC9S12DG128VFUE (mesmo formato e footprint) — diferindo em Package, Supply Voltage, ADC, Core, Core Architecture.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
MC9S12DG128CFUER
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MC9S12E128CFUE
✅ Drop-In✓ Em estoque
$10.65 / unidade
Ver ficha técnica →MC9S12A128BCFU
✅ Drop-In✓ Em estoque
$18.2 / unidade
Ver ficha técnica →MC9S12B128VFUE
✅ Drop-In✓ Em estoque
$12.1 / unidade
Ver ficha técnica →MC9S12DT128CFU
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
MC9S12DG128VFUE Classificações máximas e características elétricas
| Core Processor | HCS12 (16-bit CISC) |
| Core Size | 16-bit |
| Maximum Clock Speed | 25 MHz |
| Program Memory Size | 128KB (128K x 8) |
| Program Memory Type | FLASH |
| RAM Size | 8K x 8 |
| EEPROM Size | 2K x 8 |
| Connectivity | CANbus, I2C, SCI, SPI |
| Peripherals | PWM, WDT, LVD, POR |
| Number of I/O | 59 |
| ADC Resolution | 10-bit |
| Number of ADC Channels | 16 (two 8-channel ADCs) |
| Tensão de alimentação | 2.35 V to 2.75 V (core); 5 V I/O per distributor data |
| Largura do barramento de dados | 16 bit |
| Encapsulamento | 80-QFP (14x14 mm), LQFP-80 |
| Tipo de montagem | Surface Mount |
| Qualification | Automotive AEC-Q100 (per Arrow listing) |
| Status do ciclo de vida | NRND (Not Recommended for New Designs) per NXP |
Guia de Configuração de Pinos do MC9S12DG128VFUE 80-qfp (14x14 mm), lqfp-80
Configuração de pinos para MC9S12DG128VFUE (pacote 80-qfp (14x14 mm), lqfp-80). 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 MC9S12DG128VFUE.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
MC9S12DG128VFUE é adequado para 6 aplicaçãos: Automotive Body Electronics, Industrial Automation and Control, Motor Control and PWM Actuation, In-Vehicle Networking Gateway Nodes, Analog Data Acquisition Systems, Automotive ECU Prototyping and Education.
Automotive Body Electronics
The MC9S12DG128VFUE fits automotive body-control modules because it combines an AEC-Q100-capable 16-bit HCS12 core with an integrated CANbus controller, 59 I/O lines, and an 8-channel PWM, per NXP product data. The S12DG family was explicitly designed for automotive multiplexing, so tasks such as lamp control, window lift, and door-module logic map naturally onto its peripheral set. In a typical body ECU, the MCU polls switch inputs through the two 8-channel 10-bit ADCs, drives loads via the PWM channels and discrete I/O, and reports status over CAN at up to the 25 MHz core-clock-supported bus rates. Its 128KB Flash supports field reprogramming, a key benefit for late-stage calibration changes.
Recomendado
Industrial Automation and Control
In industrial control nodes, the MC9S12DG128VFUE provides the connectivity mix that factory equipment requires: SPI and I2C for sensors and displays, SCI for legacy serial links, and a watchdog timer for fail-safe supervision. The 25 MHz HCS12 core handles deterministic loop control, while the 16-channel 10-bit ADC inputs digitize analog sensor signals such as pressure and temperature transmitters. The 8KB RAM and 2KB EEPROM allow parameter storage across power cycles without external memory. Because the S12 family has decades of industrial deployment, toolchains and reference code are mature, reducing development risk for retrofit and service applications where the NRND status is acceptable.
Recomendado
Motor Control and PWM Actuation
The 8-channel pulse-width modulator and enhanced capture timer make the MC9S12DG128VFUE well suited to DC and stepper motor control. PWM outputs drive an H-bridge or gate-driver stage, while the timer's input-capture channels measure encoder feedback for closed-loop speed regulation. The 25 MHz bus provides enough throughput for PID update rates in the kilohertz range, and the 59 I/O lines accommodate limit switches and safety interlocks. The 10-bit ADC channels read current-sense shunt amplifiers for overcurrent protection. Designers should budget RAM (8KB) carefully when running control loops with logging, and use the watchdog timer to guarantee safe shutdown on software faults.
Recomendado
In-Vehicle Networking Gateway Nodes
With its on-chip CANbus controller plus SCI and SPI, the MC9S12DG128VFUE serves as a low-cost gateway or diagnostic node between CAN networks and service tooling. NXP's product description highlights the Inter-IC Bus and system resource mapping that simplify routing peripheral traffic across the chip. Typical deployments include gateway modules forwarding CAN frames to an SCI-connected diagnostics port, or sensor nodes using SPI-attached data converters. The 128KB Flash accommodates protocol stacks plus bootloaders, and 2KB EEPROM stores calibration IDs. Verify the exact CAN peripheral configuration of the DG128 grade against your frame-rate requirements, since bus loading above 500 kbps warrants protocol-level review.
Recomendado
Analog Data Acquisition Systems
The two on-chip 8-channel 10-bit ADCs give the MC9S12DG128VFUE 16 analog inputs, enabling multi-channel data loggers and sensor hubs without external converters for moderate accuracy targets. For channels demanding better than 10-bit resolution, the SPI bus interfaces external precision ADCs, while the MCU handles sequencing, averaging, and CAN/SCI telemetry. The 25 MHz core clock supports sustained sampling across multiple channels, and 8KB RAM buffers acquisition windows. This application suits agricultural telemetry, test fixtures, and monitoring nodes in legacy industrial fleets where the S12 tool ecosystem and 5V I/O compatibility with existing sensors remain decisive advantages over modern 3.3V-only MCUs.
Recomendado
Automotive ECU Prototyping and Education
Beyond production use, the MC9S12DG128VFUE is a mainstay of university embedded-systems courses and automotive ECU prototyping, thanks to low-cost development boards, the Background Debug Mode (BKGD) pin for on-chip debugging, and abundant community code for the S12 family. The 128KB Flash and 8KB RAM give students room for RTOS experiments and CAN labs, while the 80-QFP package is hand-solderable on adapter boards compared with BGA alternatives. Its NRND status is largely irrelevant in education, and second-source availability through legacy distributors keeps lab stock affordable. The BKGD/MODC mode pin also simplifies bring-up and bootloader development without additional debug probes.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para MC9S12DG128VFUE — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | MC9S12DG128CFUER | MC9S12E128CFUE | MC9S12A128BCFU | MC9S12B128VFUE | MC9S12DT128CFU |
|---|---|---|---|---|---|---|
| Package | 80-QFP (14x14 mm) | 80-QFP (14x14 mm) - same | 80-QFP (14x14 mm) - same | 80-QFP (14x14 mm) - same | 80-QFP (14x14 mm) - same | 80-QFP (14x14 mm) - same |
| Brand | NXP Semiconductors (Freescale/Motorola legacy) | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core / Speed | HCS12 16-bit, 25 MHz | HCS12 16-bit, 25 MHz | HCS12 16-bit, 25 MHz | HCS12 16-bit, 25 MHz | HCS12 16-bit, 25 MHz | HCS12 16-bit, 25 MHz |
| Program Flash | 128KB (128K x 8) | 128KB | 128KB | 128KB | 128KB | 128KB |
| CAN Controllers | Yes (on-chip CANbus) | Yes | Yes | Yes | Yes | Yes (x2) |
Principais diferenciais
- Full D-family peripheral complement including dual 8-channel 10-bit ADCs (vs MC9S12A128BCFU)
- Exact die-for-die replacement availability (vs MC9S12DG128CFUER)
- Integrated EEPROM for calibration storage (vs MC9S12E128CFUE)
Notas de projeto
The MC9S12DG128VFUE requires separate core (2.35-2.75 V nominal 2.5 V) and I/O (5 V) supply domains per distributor data. Decouple each VDD pair with 100 nF ceramic capacitors placed within 5 mm of the pins, and add a 10 uF bulk capacitor per supply domain. Ensure the 2.5 V rail is regulated, not resistor-divided, because the S12 core clock stability depends on supply integrity. Observe the datasheet power-up sequencing between VDDX and VDD to avoid latch-up during brown-out events.
The BKGD/TAGHI/MODC pin controls the operating mode at reset (per the MC9S12DG128 datasheet section 2.3.5). If this pin floats or picks up noise during power-up, the device can enter an unintended special mode instead of normal single-chip mode. Pull it to the correct level with a low-value resistor (typically 10 k-ohm) and keep the trace short. Also verify the PLL configuration before running the bus at the full 25 MHz; starting on the default oscillator and programming the PLL divider is the safe bring-up sequence.
For the 80-QFP (14x14 mm) footprint, use 0.5 mm pitch land patterns per IPC-7351 guidance and place the crystal within 15 mm of the EXTAL/XTAL pins with ground guard traces. Route CAN_TX/CAN_RX to the transceiver with series resistors (typically 10-22 ohm) to control ringing, and keep the analog ADC reference trace away from PWM switching lines. Given NRND status, design the footprint so newer S12G/S12XE successors in compatible packages can be evaluated on the same board where possible.
Informações de conformidade
Arrow.com lists the MC9S12DG128VFUE as Automotive AEC-Q100. The VFU package suffix typically denotes lead-free plating but this must be confirmed on the NXP product page (Environmental Quality section); RoHS/REACH statuses were not stated in the retrieved data.
