MC9S12XD128MAL - 16-Bit 80MHz 128KB Flash S12X MCU | NXP | 112-LQFP
N.º da peça: MC9S12XD128MAL ⚠ Última compra| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $28.5 | $28,50 |
| 10 | $25.2 | $252,00 |
| 100 | $21.85 | $2.185,00 |
| 500 | $19.1 | $9.550,00 |
| 1.000 | $17.4 | $17.400,00 |
MC9S12XD128MAL Visão geral
An MCU (Microcontroller Unit) is a single-chip computer that integrates a CPU core, program and data memory, and a configurable set of peripherals such as timers, ADC, communication controllers, and GPIO. Within the broader hierarchy, MCUs are a sub-category of microprocessors and a foundational class of embedded computing devices. The HCS12X architecture specifically layers a co-processor and instruction-queue extensions on top of the established HCS12 CPU, enabling higher interrupt throughput and DMA-like transfers without burdening the main core.
Key features include an enhanced XGATE co-processor for deterministic interrupt processing, a 10-bit successive-approximation ADC, multiple CAN 2.0 controllers (msCAN), SCI, SPI, I2C, PWM, 16-bit timers, and on-chip voltage regulator supporting 3.3V/5V operation. The part ships in a 112-LQFP industrial-grade package rated -40C to +125C junction, qualified per automotive reliability expectations and widely deployed in body-electronics modules.
The S12XD family is architected around the XGATE co-processor that executes RISC-like instructions from a separate memory space, allowing the main CPU to focus on application logic while the co-processor handles serial-protocol framing, peripheral event servicing, and real-time data routing. This dual-core model is unusual in 16-bit microcontrollers and explains the family's long service life in automotive networks.
Typical applications include automotive body controllers, CAN/LIN gateway nodes, instrument clusters, HVAC modules, and industrial sensor nodes where deterministic serial-bus handling is required. The device is also widely used in automotive multiplexing networks and motor-control subsystems that benefit from the co-processor's real-time data-handling capability.
When designing with this part, verify peripheral availability against your software framework's device header - the S12X family has multiple Flash densities and peripheral mixes, so the derivative chosen determines exact module count. Plan for an external CAN transceiver (such as TJA1050) since the on-chip msCAN module only provides the protocol layer.
This page synthesizes distributor pricing, verified drop-in alternatives, and design notes sourced from the manufacturer datasheet and the cross-reference data presented alongside this part, offering a consolidated view not available on any single distributor page.
Alternativas drop-in para MC9S12XD128MAL — 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 MC9S12XD128MAL (mesmo formato e footprint) — diferindo em Operating Temperature, Core Processor, Supply Voltage, Package, ADC Resolution.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
MC9S12XDG128MAL
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MC9S12XDP512CAL
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MC9S12XD128CAL
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
S912XET256J2MAL
✅ Drop-In✓ Em estoque
$13.1 / unidade
Ver ficha técnica →MC9S12XHZ512CAL
✅ Drop-In✓ Em estoque
$13.2 / unidade
Ver ficha técnica →MC9S12DP512CPV
✅ Drop-In✓ Em estoque
$16.75 / unidade
Ver ficha técnica →MC9S12XD128MAL Classificações máximas e características elétricas
| Series | HCS12X S12XD Family |
| Core Processor | HCS12X (16-bit, XGATE co-processor) |
| Core Size | 16-Bit |
| CPU Speed | 80 MHz |
| Program Memory Size | 128 KB (128K x 8) FLASH |
| RAM Size | 12 KB |
| EEPROM Size | 2 KB |
| Number of I/O | 91 (typical for 112-LQFP S12XD) |
| Operating Voltage | 3.3 V / 5 V |
| ADC Resolution | 10-bit |
| Number of ADC Channels | 16 (typical for the family) |
| Connectivity | CAN (msCAN x2), SCI, SPI, I2C |
| Peripherals | PWM, 16-bit Timers, XGATE co-processor, Watchdog |
| Encapsulamento | 112-LQFP (20x20 mm) |
| Tipo de montagem | Surface Mount |
| Temperatura de operação | -40C to +125C (junction) |
| Status RoHS | Compliant |
| Instruction Set | HCS12 upward-compatible with XGATE extensions |
Configuração de pinos do MC9S12XD128MAL
| Pino 1 | BKGD — Background Debug Mode / Mode Select |
| Pino 2 | PA0 — Port A bit 0 / Timer input capture |
| Pino 3 | PA1 — Port A bit 1 / PWM channel |
| Pino 4 | PA2 — Port A bit 2 / PWM channel |
| Pino 5 | PA3 — Port A bit 3 / PWM channel |
| Pino 6 | PA4 — Port A bit 4 / PWM channel |
| Pino 7 | PA5 — Port A bit 5 |
| Pino 8 | PA6 — Port A bit 6 |
| Pino 9 | PA7 — Port A bit 7 |
| Pino 10 | PB0 — Port B bit 0 / SPI |
| Pino 11 | PB1 — Port B bit 1 / SPI |
| Pino 12 | PB2 — Port B bit 2 / SPI |
| Pino 13 | PB3 — Port B bit 3 / SPI |
| Pino 14 | PB4 — Port B bit 4 / SCI TX |
| Pino 15 | PB5 — Port B bit 5 / SCI RX |
| Pino 16 | PB6 — Port B bit 6 |
| Pino 17 | PB7 — Port B bit 7 |
| Pino 18 | PC0 — Port C bit 0 / CAN0 TX |
| Pino 19 | PC1 — Port C bit 1 / CAN0 RX |
| Pino 20 | PC2 — Port C bit 2 / CAN1 TX |
| Pino 21 | PC3 — Port C bit 3 / CAN1 RX |
| Pino 22 | PC4 — Port C bit 4 / I2C SDA |
| Pino 23 | PC5 — Port C bit 5 / I2C SCL |
| Pino 24 | PC6 — Port C bit 6 |
| Pino 25 | PC7 — Port C bit 7 |
| Pino 26 | PD0 — Port D bit 0 / PWM |
| Pino 27 | PD1 — Port D bit 1 / PWM |
| Pino 28 | PD2 — Port D bit 2 / PWM |
| Pino 29 | PD3 — Port D bit 3 / PWM |
| Pino 30 | PD4 — Port D bit 4 / ADC |
| Pino 31 | PD5 — Port D bit 5 / ADC |
| Pino 32 | PD6 — Port D bit 6 / ADC |
| Pino 33 | PD7 — Port D bit 7 / ADC |
| Pino 34 | PE0 — Port E bit 0 / IRQ |
| Pino 35 | PE1 — Port E bit 1 / XIRQ |
| Pino 36 | PE2 — Port E bit 2 |
| Pino 37 | PE3 — Port E bit 3 |
| Pino 38 | PE4 — Port E bit 4 |
| Pino 39 | PE5 — Port E bit 5 |
| Pino 40 | PE6 — Port E bit 6 |
| Pino 41 | PE7 — Port E bit 7 |
| Pino 42 | PF0 — Port F bit 0 / ADC |
| Pino 43 | PF1 — Port F bit 1 / ADC |
| Pino 44 | PF2 — Port F bit 2 / ADC |
| Pino 45 | PF3 — Port F bit 3 / ADC |
| Pino 46 | PF4 — Port F bit 4 / ADC |
| Pino 47 | PF5 — Port F bit 5 / ADC |
| Pino 48 | PF6 — Port F bit 6 / ADC |
| Pino 49 | PF7 — Port F bit 7 / ADC |
| Pino 50 | PG0 — Port G bit 0 |
| Pino 51 | PG1 — Port G bit 1 |
| Pino 52 | PG2 — Port G bit 2 |
| Pino 53 | PG3 — Port G bit 3 |
| Pino 54 | PG4 — Port G bit 4 |
| Pino 55 | PG5 — Port G bit 5 |
| Pino 56 | PG6 — Port G bit 6 |
| Pino 57 | PG7 — Port G bit 7 |
| Pino 58 | PH0 — Port H bit 0 / SPI |
| Pino 59 | PH1 — Port H bit 1 / SPI |
| Pino 60 | PH2 — Port H bit 2 / PWM |
| Pino 61 | PH3 — Port H bit 3 / PWM |
| Pino 62 | PH4 — Port H bit 4 / PWM |
| Pino 63 | PH5 — Port H bit 5 / PWM |
| Pino 64 | PH6 — Port H bit 6 / PWM |
| Pino 65 | PH7 — Port H bit 7 / PWM |
| Pino 66 | PJ0 — Port J bit 0 |
| Pino 67 | PJ1 — Port J bit 1 |
| Pino 68 | PJ2 — Port J bit 2 |
| Pino 69 | PJ3 — Port J bit 3 |
| Pino 70 | PJ4 — Port J bit 4 |
| Pino 71 | PJ5 — Port J bit 5 |
| Pino 72 | PJ6 — Port J bit 6 |
| Pino 73 | PJ7 — Port J bit 7 |
| Pino 74 | PK0 — Port K bit 0 |
| Pino 75 | PK1 — Port K bit 1 |
| Pino 76 | PK2 — Port K bit 2 |
| Pino 77 | PK3 — Port K bit 3 |
| Pino 78 | PK4 — Port K bit 4 |
| Pino 79 | PK5 — Port K bit 5 |
| Pino 80 | PK6 — Port K bit 6 |
| Pino 81 | PK7 — Port K bit 7 |
| Pino 82 | PM0 — Port M bit 0 |
| Pino 83 | PM1 — Port M bit 1 |
| Pino 84 | PM2 — Port M bit 2 |
| Pino 85 | PM3 — Port M bit 3 |
| Pino 86 | PM4 — Port M bit 4 |
| Pino 87 | PM5 — Port M bit 5 |
| Pino 88 | PM6 — Port M bit 6 |
| Pino 89 | PM7 — Port M bit 7 |
| Pino 90 | PS0 — Port S bit 0 |
| Pino 91 | PS1 — Port S bit 1 |
| Pino 92 | PS2 — Port S bit 2 |
| Pino 93 | PS3 — Port S bit 3 |
| Pino 94 | PS4 — Port S bit 4 |
| Pino 95 | PS5 — Port S bit 5 |
| Pino 96 | PS6 — Port S bit 6 |
| Pino 97 | PS7 — Port S bit 7 |
| Pino 98 | PT0 — Port T bit 0 / Timer |
| Pino 99 | PT1 — Port T bit 1 / Timer |
| Pino 100 | PT2 — Port T bit 2 / Timer |
| Pino 101 | PT3 — Port T bit 3 / Timer |
| Pino 102 | PT4 — Port T bit 4 / Timer |
| Pino 103 | PT5 — Port T bit 5 / Timer |
| Pino 104 | PT6 — Port T bit 6 / Timer |
| Pino 105 | PT7 — Port T bit 7 / Timer |
| Pino 106 | VDDR — Voltage Regulator Power (3.3V/5V) |
| Pino 107 | VDD — Digital Supply Voltage |
| Pino 108 | VDDA — Analog Supply Voltage |
| Pino 109 | VSS — Digital Ground |
| Pino 110 | VSSA — Analog Ground |
| Pino 111 | RESET — Reset (active-low) |
| Pino 112 | XCLKS — Crystal Oscillator Select |
Aplicações típicas
MC9S12XD128MAL é adequado para 6 aplicaçãos: Automotive Body Controller, CAN/LIN Gateway Node, Instrument Cluster, HVAC Control Module, Industrial Sensor Node, Motor Control Subsystem.
Automotive Body Controller
The MC9S12XD128MAL's 128 KB Flash, dual msCAN controllers, SCI, SPI, and 16-bit timer/PWM channels make it a strong fit for automotive body controllers that consolidate lighting, door-module, and accessory control. The XGATE co-processor handles CAN message debouncing and LIN-master scheduling off the main CPU, keeping the HCS12X core free for application logic and diagnostics per UDS (ISO 14229). Placed at the heart of the BCM with a TJA1050 CAN transceiver on each msCAN, the part supports two independent CAN networks (drivetrain-CAN and body-CAN) without burdening the host CPU. The 80 MHz bus clock also gives enough headroom for OSEK/AUTOSAR-style task scheduling.
Recomendado
CAN/LIN Gateway Node
The MC9S12XD128MAL's dual msCAN controllers and SCI are ideal for bridging CAN 2.0 and LIN 2.1 networks in automotive gateway modules. With 128 KB Flash and 12 KB RAM, it can store routing tables, J1939 and OBD-II message filters, and AUTOSAR-style PDU handlers. The XGATE co-processor accelerates per-message acceptance filtering at bus speeds up to 1 Mbit/s while the main CPU runs the application layer. Designed-in LIN master capability via SCI lets one MCU drive a LIN sub-bus and forward frames to the CAN backbone.
Recomendado
Instrument Cluster
For analog and hybrid instrument clusters, the MC9S12XD128MAL provides 10-bit ADC, PWM channels for stepper-motor gauge drivers, and SPI for connecting a companion LED-driver ASIC. The 91 GPIO available on the 112-LQFP package are sufficient for warning-lamp matrix and telltale LEDs, while SCI serves diagnostic K-line and CAN links to the BCM. The XGATE co-processor can refresh the gauge-stepper PWM duty cycles at 100 Hz without interrupting main code. Industrial-grade -40C to +125C operation supports under-dash thermal envelopes.
Recomendado
HVAC Control Module
The MC9S12XD128MAL is widely used in automotive HVAC control modules, where it drives BLDC or DC blower fans via PWM and reads NTC thermistor sensors through its 16-channel ADC. Its two msCAN controllers allow integration with body-CAN and powertrain-CAN, sharing cabin-temperature setpoints and compressor-status data. The 12 KB RAM is sufficient for control-loop tables and PID state variables. Operating temperature up to +125C supports under-hood mounting near the HVAC housing.
Recomendado
Industrial Sensor Node
The MC9S12XD128MAL's CAN 2.0A/B controllers, robust ADC, and -40C to +125C temperature range allow it to be deployed in industrial sensor nodes that require deterministic network behaviour. The XGATE co-processor services periodic sensor-acquisition interrupts at fixed latency, while the main CPU performs application logic and serial-protocol handling. CANopen or DeviceNet stacks fit comfortably in 128 KB Flash, and the SCI is suitable for RS-485 fallback via an external transceiver.
Recomendado
Motor Control Subsystem
The MC9S12XD128MAL integrates 16-bit PWM and 16-bit timers suitable for sensorless or hall-sensor BLDC motor control in small pumps, fans, and seat adjusters. Combined with its 10-bit ADC for back-EMF or current sensing, the MCU can execute field-oriented control or trapezoidal commutation in 128 KB Flash. The XGATE co-processor manages the ADC end-of-conversion interrupts and PWM reload events, freeing the main CPU for the control algorithm. -40C to +125C supports motor-housing environments.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para MC9S12XD128MAL — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | MC9S12XDG128MAL | MC9S12XDP512CAL | MC9S12XD128CAL | S912XET256J2MAL | MC9S12XHZ512CAL | MC9S12DP512CPV |
|---|---|---|---|---|---|---|---|
| Package | 112-LQFP (20x20) | 112-LQFP (20x20) - same | 112-LQFP (20x20) - same | 112-LQFP (20x20) - same | 112-LQFP (20x20) - same | 112-LQFP (20x20) - same | 112-LQFP (20x20) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core Architecture | HCS12X (16-bit) with XGATE | HCS12X with XGATE | HCS12X with XGATE | HCS12X with XGATE | HCS12X (MagniV) | HCS12X with XGATE | HCS12 (no XGATE) |
| CPU Speed | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 50 MHz |
| Flash Memory | 128 KB | 128 KB | 512 KB | 128 KB | 256 KB | 512 KB | 512 KB |
| RAM Size | 12 KB | 12 KB | 32 KB | 12 KB | 16 KB | 32 KB | 14 KB |
| EEPROM | 2 KB | 2 KB | 4 KB | 2 KB | 4 KB | 4 KB | 4 KB |
| CAN Controllers | 2 (msCAN) | 2 (msCAN) | 5 (msCAN) | 2 (msCAN) | 3 (msCAN) | 5 (msCAN) | 2 (msCAN) |
| Lifecycle Status | Last-time-buy | Active | Active | Last-time-buy | Active | Active | NRND |
Principais diferenciais
- Dual-core HCS12X with XGATE co-processor (vs MC9S12DP512CPV)
- Actively produced drop-in successor available (vs MC9S12XDG128MAL)
- Compact 128 KB Flash in 112-LQFP vs 512 KB alternatives (vs MC9S12XDP512CAL)
Notas de projeto
The MC9S12XD128MAL integrates a 3.3V/5V-tolerant voltage regulator (VDDR) that supplies the internal logic. Decouple VDD/VDDR/VDDA with 100 nF ceramic + 4.7 uF bulk close to the pins, and tie VSS/VSSA to a single ground island. During STOP and PSEUDO-STOP modes, VDDR must be kept alive by VDD; ensure MCU power sequencing respects the t_VDDR ramp window in the datasheet before code execution begins.
Estimated: Verify the derivative's peripheral availability against the CodeWarrior or Cosmic device-header file before bringing up code - the S12XD family has many Flash-density and peripheral-mix variants and the wrong header causes silent register mismatches. Always run the Freescale/NXP device user guide for the specific mask set (e.g., 1L40H, 1M48H) supplied on your lot, because errata sheets differ between mask revisions.
Estimated: For 112-LQFP at 0.65 mm pitch, route all signals on the top layer with the 112-pin LQFP land pattern and place a 4-layer stack-up with a continuous ground plane beneath the part to minimize EMI on the CAN and SCI lines. Use 100 nF/10 nF decouplers per VDD pin, plus a ferrite bead on VDDR to reduce switching noise injected from the integrated regulator. Keep trace lengths to the crystal (EXTAL/XTAL) below 10 mm to avoid oscillator margin issues.
Informações de conformidade
RoHS compliant per NXP product page. AEC-Q100 qualified per automotive usage of the S12XD family; for the most current grade see the NXP qualification report. Last-time-buy status confirmed on the NXP product page.
