S912XEQ512BCAG - 16-bit 512KB Flash HCS12X MCU | NXP | 144-LQFP
Référence : S912XEQ512BCAG ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $16.7 | $16,70 |
| 10 | $15.2 | $152,00 |
| 100 | $13.45 | $1 345,00 |
| 500 | $11.8 | $5 900,00 |
| 1 000 | $10.5 | $10 500,00 |
S912XEQ512BCAG Présentation
An HCS12X microcontroller is a 16-bit MCU that extends the classical HCS12 instruction set with a co-processor (XGATE) and richer peripheral integration. It sits within the broader automotive microcontroller taxonomy: microcontroller (MCU) -> 16-bit MCU -> HCS12X family -> S12XE sub-family -> power-train and body-control tier. XGATE accelerates interrupt service routines at up to 100 MHz equivalent throughput, enabling deterministic handling of CAN, SPI, and PWM traffic without burdening the application core.
Key differentiating features of the S912XEQ512BCAG include the XGATE co-processor for virtual peripherals, hardware-emulated EEPROM (EEE) with configurable partition, a memory protection unit supporting supervisor/user modes, a 12-bit ADC with 3 microsecond conversion time, an enhanced capture timer (ECT), periodic interrupt timers (PIT), a real-time interrupt (RTI) module, a watchdog timer, low-voltage detect, and power-on reset. Connectivity peripherals include CAN, I2C, IrDA, SCI, and SPI, giving designers flexibility for body, chassis, and gateway applications.
Architecturally the part uses the S12X RISC-like CPU core backed by the XGATE RISC co-processor, both sharing a unified memory map. This dual-core approach is particularly attractive for automotive network nodes where the XGATE can autonomously service CAN and LIN message buffers while the S12X runs the application stack, lowering overall interrupt latency and freeing CPU cycles for control algorithms.
Typical applications include automotive body control modules, CAN/LIN gateway nodes, instrument clusters, HVAC controllers, seat and mirror controllers, and industrial CAN-based control units. Designers favor this device when 512 KB of Flash, AEC-Q100 qualification, and integrated CAN connectivity are required without the overhead of a 32-bit MCU.
Designers should carefully allocate the EEE partition and Flash/EEPROM endurance budget early in the firmware cycle to maximize in-field reprogrammability. The 144-LQFP package provides generous PCB routing room for the 119 I/O lines but requires thermal management at sustained 50 MHz operation across -40C to +85C ambient conditions.
This page synthesizes NXP datasheet specifications, distributor pricing, AEC-Q100 cross-reference, and pin-compatible drop-in alternatives across the S12XE family, providing engineering value not found on distributor catalog pages.
Alternatives de remplacement direct pour S912XEQ512BCAG — 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 S912XEQ512BCAG (même facteur de forme et même empreinte) — différant par Operating Temperature, Package, ADC, Core, Supply Voltage.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
S912XEQ512AMAL
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
S912XEQ512J2MAL
✅ Remplacement direct✓ En stock
$17.95 / unité
Voir la fiche technique →S912XEQ512J2MALR
✅ Remplacement direct✓ En stock
$14.5 / unité
Voir la fiche technique →MC9S12XEQ512CAG
✅ Remplacement direct✓ En stock
$14.4 / unité
Voir la fiche technique →S912XEQ384J3CALR
✅ Remplacement direct✓ En stock
$11.4 / unité
Voir la fiche technique →MC9S12XEG128MAA
✅ Remplacement direct✓ En stock
$8.9 / unité
Voir la fiche technique →S912XEQ512BCAG Valeurs maximales et caractéristiques électriques
| Core Processor | HCS12X |
| Core Size | 16-bit |
| Core Speed | 50 MHz |
| Co-Processor | XGATE |
| Program Memory Size | 512 KB (512K x 8) |
| Program Memory Type | FLASH |
| EEPROM Emulation (EEE) | Hardware-emulated, flexible partition |
| Number of I/O | 119 |
| ADC Resolution | 12-bit, 3 microsecond conversion |
| Connectivity | CANbus, EBI/EMI, I2C, IrDA, SCI, SPI |
| Peripherals | LVD, POR, PWM, WDT |
| Tension d'alimentation | 3.3 V / 5 V (1.8 V / 2.8 V internal regulated modes) |
| Température de fonctionnement | -40C to +85C |
| Boîtier | 144-pin LQFP (20x20 mm) |
| Type de montage | Surface Mount |
| AEC-Q100 Qualification | Qualified |
| Statut RoHS | Compliant |
Guide de configuration des broches du S912XEQ512BCAG 144-pin lqfp (20x20 mm)
Configuration des broches du S912XEQ512BCAG (boîtier 144-pin lqfp (20x20 mm)). Ce circuit intégré numérique comprend des GPIO, des interfaces de communication (UART, SPI, I2C) et des broches d'alimentation. Consultez la fiche technique du fabricant pour les fonctions alternatives des broches et les options de configuration. Indispensable pour la conception de systèmes embarqués et la conception de circuits imprimés.
Aucune donnée de brochage détaillée disponible pour S912XEQ512BCAG.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
S912XEQ512BCAG convient pour 6 applications: Automotive Body Control Module (BCM), CAN/LIN Gateway ECU, Instrument Cluster Controller, HVAC Control Module, Seat and Mirror Controller, Industrial CAN-Based Control Unit.
Automotive Body Control Module (BCM)
The S912XEQ512BCAG is a strong fit for automotive body control modules because it integrates CAN, SPI, SCI, and 119 GPIO alongside 512 KB Flash, allowing one MCU to drive lighting, mirror, seat, and wiper actuators without external bus expanders. The XGATE co-processor offloads LIN/CAN message handling and PWM edge timing, leaving the S12X core free to execute body-control logic. Its AEC-Q100 qualification and -40C to +85C operating range meet under-hood and cabin thermal profiles, and the 144-LQFP (20x20 mm) package offers ample PCB routing for the I/O density. Designers favor this part over 32-bit alternatives when cost-sensitive BCMs need mature 16-bit toolchains.
Recommandé
CAN/LIN Gateway ECU
For CAN/LIN gateway ECUs, the S912XEQ512BCAG's multiple CAN channels, SCI-based LIN, and XGATE co-processor make it ideal for protocol translation between body and chassis domains. The 512 KB Flash holds large routing tables and CANopen/DeviceNet stacks, while the 12-bit ADC supports sensor aggregation across the gateway. Compared with 8-bit MCUs, the 50 MHz S12X core plus XGATE sustains high message throughput without bus-overrun risk, and the 144-LQFP exposes enough I/O for redundant bus interfaces and diagnostics. AEC-Q100 qualification is essential for gateway deployment behind the firewall.
Recommandé
Instrument Cluster Controller
In instrument cluster designs, the S912XEQ512BCAG drives stepper-motor gauges, LCD segments, and telltale LEDs while handling CAN messaging for vehicle speed, RPM, and warning flags. The 512 KB Flash accommodates full cluster graphics and diagnostic libraries, and the XGATE offloads PWM and stepper pulse trains so the main CPU renders pointer animations smoothly. The 119 GPIO count supports multiple gauge drivers and the SPI/SCI peripherals talk to companion LED and LCD driver ICs. AEC-Q100 qualification and -40 to +85C operation ensure cluster reliability across cabin temperature swings.
Recommandé
HVAC Control Module
The S912XEQ512BCAG suits HVAC control modules because the XGATE co-processor can drive multiple blower and mode-door PWM channels simultaneously while the main CPU executes temperature regulation loops and CAN diagnostics. The 12-bit ADC reads cabin and evaporator temperature sensors with 3 microsecond conversion time, supporting fast control-loop updates. Hardware-emulated EEPROM (EEE) stores user climate preferences that survive battery disconnect events, and the 144-LQFP package exposes pins for keypad matrices and LCD character displays. AEC-Q100 compliance matches HVAC deployment in passenger compartments.
Recommandé
Seat and Mirror Controller
For seat and mirror position controllers, the S912XEQ512BCAG provides the PWM channels, ADC inputs, and CAN connectivity required to drive multiple brushed motors, sense position feedback, and report faults to the body network. The XGATE co-processor handles position-loop interrupts at high rate, while the S12X core runs LIN slaves for seat-occupancy and weight-sensor communication. Its 512 KB Flash allows storage of calibration data and multiple driver profiles in the EEE partition. AEC-Q100 and -40 to +85C operation support in-cabin automotive environments.
Recommandé
Industrial CAN-Based Control Unit
The S912XEQ512BCAG is well-matched to industrial CAN-based control units such as CANopen slaves, DeviceNet nodes, and CAN-based sensor aggregators, where AEC-Q100 over-qualification provides extra ruggedness against factory-floor transients. The 512 KB Flash holds full CANopen stack libraries plus application code, and the XGATE offloads deterministic PDO processing so the S12X core executes control algorithms. The 12-bit ADC and timer-rich peripherals support encoder feedback and PID loops, and the 144-LQFP footprint simplifies layout on industrial PCBs.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour S912XEQ512BCAG — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | S912XEQ512AMAL | S912XEQ512J2MAL | S912XEQ512J2MALR | MC9S12XEQ512CAG | S912XEQ384J3CALR |
|---|---|---|---|---|---|---|
| Package | 144-LQFP (20x20) | 144-LQFP | 112-LQFP | 144-LQFP | 144-LQFP | 144-LQFP |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | HCS12X + XGATE | HCS12X + XGATE | HCS12X + XGATE | HCS12X + XGATE | HCS12X + XGATE | HCS12X + XGATE |
| Flash Memory | 512 KB | 512 KB | 512 KB | 512 KB | 512 KB | 384 KB (-25%) |
| Core Speed | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz |
| Operating Temperature | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| AEC-Q100 Qualified | Yes | Yes | Yes | Yes | Yes | Yes |
Principaux différenciateurs
- Larger Flash than S912XEQ384J3CALR within same S12XE family (vs S912XEQ384J3CALR)
- Higher GPIO count than S912XEQ512J2MAL (vs S912XEQ512J2MAL)
- Higher temperature grade than standard automotive variants (vs S912XEQ512J2MALR)
Notes de conception
At sustained 50 MHz operation across the -40C to +85C automotive ambient range, the S912XEQ512BCAG's 144-LQFP package dissipates up to ~0.5 W under full peripheral load. Designers should provide a continuous ground pour under the exposed pad-free package and keep high-current traces away from sensitive ADC reference traces to limit thermal gradients. For under-hood ECUs, derate ambient temperature by 10C and add thermal vias if mounting to a metal chassis bracket.
The S912XEQ512BCAG supports both 3.3 V and 5 V supplies, with internal 1.8 V and 2.8 V regulators powering the core. Add bulk decoupling (10 microfarad tantalum) plus 100 nF ceramic bypass capacitors on each VDD pin, located within 5 mm of the IC pins. The internal voltage regulator requires an external ballast transistor or pass FET footprint depending on mask revision; consult the NXP datasheet for VREG routing.
Common pitfalls when designing with the S912XEQ512BCAG include: (1) misallocating the EEE partition and exhausting Flash endurance early - benchmark write cycles carefully; (2) routing the BDM/JTAG pins through test points without series resistors, leading to debugger signal integrity issues; (3) forgetting to enable the XGATE in the S12X initialization code - the co-processor is off by default after reset; (4) neglecting the watchdog timer configuration, allowing runaway firmware to lock up the ECU.
The CAN bus signals driven by the S912XEQ512BCAG require a companion transceiver such as the TJA1057T/CM - the on-chip CAN controller is a protocol engine, not a physical-layer device. Add split termination (60 ohm + 60 ohm with 4.7 nF to ground) at each CAN node and keep stub lengths under 50 mm to meet ISO 11898-1 signal-integrity requirements at 1 Mbaud.
Informations de conformité
AEC-Q100 qualified per NXP product page. RoHS and REACH compliant per DigiKey and Mouser distributor listings.
