MC9S12XD128MAL - 16-Bit 80MHz 128KB Flash S12X MCU | NXP | 112-LQFP
Référence : MC9S12XD128MAL ⚠ Dernier achat| Qté | Prix unitaire | 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 Présentation
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.
Alternatives de remplacement direct pour MC9S12XD128MAL — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec MC9S12XD128MAL (même facteur de forme et même empreinte) — différant par Operating Temperature, Core Processor, Supply Voltage, Package, ADC Resolution.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
MC9S12XDG128MAL
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MC9S12XDP512CAL
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MC9S12XD128CAL
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
S912XET256J2MAL
✅ Remplacement direct✓ En stock
$13.1 / unité
Voir la fiche technique →MC9S12XHZ512CAL
✅ Remplacement direct✓ En stock
$13.2 / unité
Voir la fiche technique →MC9S12DP512CPV
✅ Remplacement direct✓ En stock
$16.75 / unité
Voir la fiche technique →MC9S12XD128MAL Valeurs maximales et caractéristiques électriques
| 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 |
| Boîtier | 112-LQFP (20x20 mm) |
| Type de montage | Surface Mount |
| Température de fonctionnement | -40C to +125C (junction) |
| Statut RoHS | Compliant |
| Instruction Set | HCS12 upward-compatible with XGATE extensions |
Configuration des broches de MC9S12XD128MAL
| Broche 1 | BKGD — Background Debug Mode / Mode Select |
| Broche 2 | PA0 — Port A bit 0 / Timer input capture |
| Broche 3 | PA1 — Port A bit 1 / PWM channel |
| Broche 4 | PA2 — Port A bit 2 / PWM channel |
| Broche 5 | PA3 — Port A bit 3 / PWM channel |
| Broche 6 | PA4 — Port A bit 4 / PWM channel |
| Broche 7 | PA5 — Port A bit 5 |
| Broche 8 | PA6 — Port A bit 6 |
| Broche 9 | PA7 — Port A bit 7 |
| Broche 10 | PB0 — Port B bit 0 / SPI |
| Broche 11 | PB1 — Port B bit 1 / SPI |
| Broche 12 | PB2 — Port B bit 2 / SPI |
| Broche 13 | PB3 — Port B bit 3 / SPI |
| Broche 14 | PB4 — Port B bit 4 / SCI TX |
| Broche 15 | PB5 — Port B bit 5 / SCI RX |
| Broche 16 | PB6 — Port B bit 6 |
| Broche 17 | PB7 — Port B bit 7 |
| Broche 18 | PC0 — Port C bit 0 / CAN0 TX |
| Broche 19 | PC1 — Port C bit 1 / CAN0 RX |
| Broche 20 | PC2 — Port C bit 2 / CAN1 TX |
| Broche 21 | PC3 — Port C bit 3 / CAN1 RX |
| Broche 22 | PC4 — Port C bit 4 / I2C SDA |
| Broche 23 | PC5 — Port C bit 5 / I2C SCL |
| Broche 24 | PC6 — Port C bit 6 |
| Broche 25 | PC7 — Port C bit 7 |
| Broche 26 | PD0 — Port D bit 0 / PWM |
| Broche 27 | PD1 — Port D bit 1 / PWM |
| Broche 28 | PD2 — Port D bit 2 / PWM |
| Broche 29 | PD3 — Port D bit 3 / PWM |
| Broche 30 | PD4 — Port D bit 4 / ADC |
| Broche 31 | PD5 — Port D bit 5 / ADC |
| Broche 32 | PD6 — Port D bit 6 / ADC |
| Broche 33 | PD7 — Port D bit 7 / ADC |
| Broche 34 | PE0 — Port E bit 0 / IRQ |
| Broche 35 | PE1 — Port E bit 1 / XIRQ |
| Broche 36 | PE2 — Port E bit 2 |
| Broche 37 | PE3 — Port E bit 3 |
| Broche 38 | PE4 — Port E bit 4 |
| Broche 39 | PE5 — Port E bit 5 |
| Broche 40 | PE6 — Port E bit 6 |
| Broche 41 | PE7 — Port E bit 7 |
| Broche 42 | PF0 — Port F bit 0 / ADC |
| Broche 43 | PF1 — Port F bit 1 / ADC |
| Broche 44 | PF2 — Port F bit 2 / ADC |
| Broche 45 | PF3 — Port F bit 3 / ADC |
| Broche 46 | PF4 — Port F bit 4 / ADC |
| Broche 47 | PF5 — Port F bit 5 / ADC |
| Broche 48 | PF6 — Port F bit 6 / ADC |
| Broche 49 | PF7 — Port F bit 7 / ADC |
| Broche 50 | PG0 — Port G bit 0 |
| Broche 51 | PG1 — Port G bit 1 |
| Broche 52 | PG2 — Port G bit 2 |
| Broche 53 | PG3 — Port G bit 3 |
| Broche 54 | PG4 — Port G bit 4 |
| Broche 55 | PG5 — Port G bit 5 |
| Broche 56 | PG6 — Port G bit 6 |
| Broche 57 | PG7 — Port G bit 7 |
| Broche 58 | PH0 — Port H bit 0 / SPI |
| Broche 59 | PH1 — Port H bit 1 / SPI |
| Broche 60 | PH2 — Port H bit 2 / PWM |
| Broche 61 | PH3 — Port H bit 3 / PWM |
| Broche 62 | PH4 — Port H bit 4 / PWM |
| Broche 63 | PH5 — Port H bit 5 / PWM |
| Broche 64 | PH6 — Port H bit 6 / PWM |
| Broche 65 | PH7 — Port H bit 7 / PWM |
| Broche 66 | PJ0 — Port J bit 0 |
| Broche 67 | PJ1 — Port J bit 1 |
| Broche 68 | PJ2 — Port J bit 2 |
| Broche 69 | PJ3 — Port J bit 3 |
| Broche 70 | PJ4 — Port J bit 4 |
| Broche 71 | PJ5 — Port J bit 5 |
| Broche 72 | PJ6 — Port J bit 6 |
| Broche 73 | PJ7 — Port J bit 7 |
| Broche 74 | PK0 — Port K bit 0 |
| Broche 75 | PK1 — Port K bit 1 |
| Broche 76 | PK2 — Port K bit 2 |
| Broche 77 | PK3 — Port K bit 3 |
| Broche 78 | PK4 — Port K bit 4 |
| Broche 79 | PK5 — Port K bit 5 |
| Broche 80 | PK6 — Port K bit 6 |
| Broche 81 | PK7 — Port K bit 7 |
| Broche 82 | PM0 — Port M bit 0 |
| Broche 83 | PM1 — Port M bit 1 |
| Broche 84 | PM2 — Port M bit 2 |
| Broche 85 | PM3 — Port M bit 3 |
| Broche 86 | PM4 — Port M bit 4 |
| Broche 87 | PM5 — Port M bit 5 |
| Broche 88 | PM6 — Port M bit 6 |
| Broche 89 | PM7 — Port M bit 7 |
| Broche 90 | PS0 — Port S bit 0 |
| Broche 91 | PS1 — Port S bit 1 |
| Broche 92 | PS2 — Port S bit 2 |
| Broche 93 | PS3 — Port S bit 3 |
| Broche 94 | PS4 — Port S bit 4 |
| Broche 95 | PS5 — Port S bit 5 |
| Broche 96 | PS6 — Port S bit 6 |
| Broche 97 | PS7 — Port S bit 7 |
| Broche 98 | PT0 — Port T bit 0 / Timer |
| Broche 99 | PT1 — Port T bit 1 / Timer |
| Broche 100 | PT2 — Port T bit 2 / Timer |
| Broche 101 | PT3 — Port T bit 3 / Timer |
| Broche 102 | PT4 — Port T bit 4 / Timer |
| Broche 103 | PT5 — Port T bit 5 / Timer |
| Broche 104 | PT6 — Port T bit 6 / Timer |
| Broche 105 | PT7 — Port T bit 7 / Timer |
| Broche 106 | VDDR — Voltage Regulator Power (3.3V/5V) |
| Broche 107 | VDD — Digital Supply Voltage |
| Broche 108 | VDDA — Analog Supply Voltage |
| Broche 109 | VSS — Digital Ground |
| Broche 110 | VSSA — Analog Ground |
| Broche 111 | RESET — Reset (active-low) |
| Broche 112 | XCLKS — Crystal Oscillator Select |
Applications typiques
MC9S12XD128MAL convient pour 6 applications: 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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour MC9S12XD128MAL — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | 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 |
Principaux différenciateurs
- 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)
Notes de conception
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.
Informations de conformité
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.
