S912XEG384J3CAL - 16-bit MCU, S12X, 384KB Flash | NXP
Référence : S912XEG384J3CAL ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $9.8 | $9,80 |
| 10 | $9.1 | $91,00 |
| 100 | $8.2 | $820,00 |
| 500 | $7.4 | $3 700,00 |
| 1 000 | $6.65 | $6 650,00 |
S912XEG384J3CAL Présentation
This device belongs to the S12XE family of 16-bit microcontrollers, an evolution of the HCS12 architecture. An MCU (microcontroller unit) is an integrated circuit that combines a CPU, memory, and programmable peripherals on a single silicon die. The 16-bit S12X core sits within the broader hierarchy: MCU -> 16-bit microcontroller -> automotive microcontroller -> embedded processor -> semiconductor. The XGATE peripheral co-processor accelerates interrupt-driven tasks and emulates peripherals in hardware, offloading the main CPU and improving real-time response for vehicle networks and body controllers.
Key differentiating features include hardware-emulated EEPROM that eliminates external storage chips, a 12-bit ADC with 3 microsecond conversion time suitable for sensor signal acquisition, an Enhanced Capture Timer (ECT) for precise event timing, a Periodic Interrupt Timer (PIT) and Real-Time Interrupt (RTI) for OS scheduling, and a Memory Protection Unit (MPU) supporting supervisor/user modes for system integrity. The device targets industrial and automotive-grade environments.
Typical applications include automotive body controllers, CAN/J1850 gateway modules, industrial sensor hubs, HVAC control units, and instrument clusters. The 384KB Flash and rich peripheral mix also make it suitable for LIN/CAN nodes and motor-control slaves in distributed vehicle networks.
When designing with this MCU, place 0.1 uF decoupling capacitors as close as possible to each VDD/VSS pair, route the oscillator pins over a continuous ground plane, and configure the XGATE interrupt vector table before enabling XGATE requests. 5V-tolerant inputs simplify connection to legacy automotive sensors.
This page synthesizes XAIPART distributor pricing, drop-in pin-compatible alternatives, and practical PCB design notes not typically consolidated on a single manufacturer datasheet page.
Alternatives de remplacement direct pour S912XEG384J3CAL — 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 S912XEG384J3CAL (même facteur de forme et même empreinte) — différant par Package, CPU Core, Temperature Grade, ADC Conversion Time, Co-Processor.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
S912XEQ384J3CAL
✅ Remplacement direct✓ En stock
$11.4 / unité
Voir la fiche technique →S912XEQ384J3CALR
✅ Remplacement direct✓ En stock
$11.4 / unité
Voir la fiche technique →S912XEG384J3CALR
✅ Remplacement direct✓ En stock
Contactez-nous pour le prix
Voir la fiche technique →S9S12HZ64J3CAL
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
Contactez-nous pour le prix
Voir la fiche technique →S9S12HZ64J3VAL
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$10.95 / unité
Voir la fiche technique →S912XEG384J3CAL Valeurs maximales et caractéristiques électriques
| Core | HCS12X (CPU12X) |
| Largeur du bus de données | 16-bit |
| Bus Speed | 50 MHz |
| Program Memory Size | 384 KB Flash |
| EEPROM (Emulated) | Hardware-emulated via Flash |
| Co-Processor | XGATE peripheral coprocessor |
| ADC | 12-bit, 3 µs conversion time |
| Timers | ECT, PIT, RTI |
| Tension d'alimentation | 1.8 V (core, per Hotenda listing) |
| Température de fonctionnement | -40 °C to +85 °C |
| Temperature Grade | Automotive Qualified (per NXP) |
| Boîtier | LQFP-112 (20 x 20 mm) |
| Terminal Form | GULL WING |
| No. of Terminals | 112 |
| Type de montage | Surface Mount |
Guide de configuration des broches du S912XEG384J3CAL lqfp-112 (20 x 20 mm)
Configuration des broches du S912XEG384J3CAL (boîtier lqfp-112 (20 x 20 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 S912XEG384J3CAL.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
S912XEG384J3CAL convient pour 7 applications: Automotive Body Control Module, HVAC Climate Control Module, Instrument Cluster Display Driver, Industrial Sensor Hub, CAN Gateway / Network Bridge, Automotive Lighting Controller, Battery Management Slave Module.
Automotive Body Control Module
The S912XEG384J3CAL fits automotive body control modules by pairing a 16-bit S12X CPU12X core at 50 MHz with 384 KB of Flash and the XGATE co-processor for offloading CAN/LIN message servicing. With a -40 to +85 °C operating range and AEC-qualified silicon, it handles headlamp control, wiper logic, central locking, and mirror adjustment without an external EEPROM. The integrated 12-bit ADC with 3 µs conversion samples ambient-light and temperature sensors directly, while the Enhanced Capture Timer (ECT) measures pulse-width modulated (PWM) inputs from switch contacts. Designers can run a real-time OS on the main CPU while XGATE services interrupt bursts, reducing worst-case latency.
Recommandé
HVAC Climate Control Module
In HVAC climate control, the S912XEG384J3CAL drives brushless DC fan motors, stepper-driven blend/air doors, and PTC heater relays while reading NTC temperature sensors and cabin humidity probes. Its 384 KB Flash hosts lookup-based control algorithms, while the XGATE handles periodic ADC scans and PWM updates that would otherwise starve the main scheduler. The 50 MHz bus keeps control loops well under 10 ms, fast enough for cabin temperature regulation. The Memory Protection Unit (MPU) supervisor/user modes isolate diagnostic routines from safety-critical tasks, supporting ISO 26262 process compliance at the module level.
Recommandé
Instrument Cluster Display Driver
The S912XEG384J3CAL serves as the main processor in instrument clusters, driving stepper-motor gauge pointers and segment/stepper LCDs via SPI or parallel interfaces while reading vehicle CAN bus for speed, RPM, and fuel-level data. The 16-bit CPU and 384 KB Flash accommodate J1939 or CANopen stacks plus graphic rendering, and the XGATE coprocessor maintains real-time CAN message reception without jitter. The wide -40 to +85 °C range covers under-dash operating conditions, and the LQFP-112 package allows a compact PCB layout next to gauge stepper drivers and an LCD bias supply.
Recommandé
Industrial Sensor Hub
As an industrial sensor hub, the S912XEG384J3CAL aggregates analog inputs from 4-20 mA loop-powered transmitters, thermocouples, and digital flow meters, conditioning data before forwarding to a PLC over CANopen or Modbus. The 12-bit ADC with 3 µs conversion time captures fast transients, while 384 KB of Flash stores calibration coefficients and trending data. The Memory Protection Unit enforces privilege separation between configuration firmware and field logic, important for IEC 61508 safety functions. The hardware-emulated EEPROM replaces mechanical DIP-switch storage of calibration constants.
Recommandé
CAN Gateway / Network Bridge
For CAN-to-LIN or CAN-CAN gateway nodes, the S912XEG384J3CAL acts as a transparent message router between vehicle networks, filtering and forwarding frames while timestamping events for diagnostics. Its two CAN controllers (typical of S12X) plus the XGATE coprocessor minimize forwarding latency below 100 microseconds, which is acceptable for body and chassis networks. The 384 KB Flash allows simultaneous hosting of UDS diagnostic server plus a network management stack like OSEK/AUTOSAR. The LQFP-112 footprint gives access to all required bus pins with no multiplexing penalty.
Recommandé
Automotive Lighting Controller
The S912XEG384J3CAL drives LED headlamp matrices and adaptive daytime running lights via PWM and SPI-controlled LED drivers, while reading ambient-light sensors, steering-angle inputs, and CAN messages to modulate beam patterns. The 50 MHz CPU executes matrix algorithms in real time, and the XGATE co-processor manages high-frequency PWM refresh for individual LEDs without disturbing the main scheduler. The Flash-based EEPROM emulation retains trim and calibration across key cycles. The -40 to +85 °C rating supports under-hood and headlamp-cavity mounting scenarios where ambient swings are wide.
Recommandé
Battery Management Slave Module
The S912XEG384J3CAL functions as a slave cell-monitoring MCU in distributed battery management systems, reading individual cell voltages through external ADCs over SPI and reporting pack status to a master over CAN or isolated SPI. The 16-bit CPU executes cell-balancing logic at each scan interval while XGATE handles the periodic interrupt-driven ADC readout. The wide operating temperature handles proximity to traction packs during fast-charge cycles, and 384 KB of Flash allows stacking ISO 26262 diagnostic libraries. The LQFP-112 footprint exposes enough GPIO for cell-balancing FET drivers without a second MCU.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour S912XEG384J3CAL — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | S912XEQ384J3CAL | S912XEQ384J3CALR | S912XEG384J3CALR | S9S12HZ64J3CAL | S9S12HZ64J3VAL |
|---|---|---|---|---|---|---|
| Package | LQFP-112 (20x20 mm) | LQFP-112 - same | LQFP-112 - same | LQFP-112 - same | LQFP-112 - same | LQFP-112 - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | HCS12X (CPU12X), 16-bit | HCS12X, 16-bit | HCS12X, 16-bit | HCS12X, 16-bit | HCS12, 16-bit | HCS12, 16-bit |
| Bus Speed | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz |
| Flash Memory | 384 KB | 384 KB | 384 KB | 384 KB | 64 KB (-83%) | 64 KB (-83%) |
| Operating Temperature | -40 to +85 °C | -40 to +85 °C | -40 to +85 °C | -40 to +85 °C | -40 to +85 °C | -40 to +85 °C |
| ADC Resolution | 12-bit, 3 µs | 12-bit, 3 µs | 12-bit, 3 µs | 12-bit, 3 µs | 10-bit, 7 µs (-2 bits resolution, +133% conv. time) | 10-bit, 7 µs (-2 bits resolution, +133% conv. time) |
| Co-Processor | XGATE | XGATE | XGATE | XGATE | None (XGATE absent on HZ sub-family) | None (XGATE absent on HZ sub-family) |
Principaux différenciateurs
- Largest Flash in S12X LQFP-112 family (vs S9S12HZ64J3CAL)
- Includes XGATE peripheral co-processor (vs S9S12HZ64J3CAL)
- 12-bit ADC with 3 µs conversion (vs S9S12HZ64J3CAL)
- AEC-qualified silicon with -40/+85 °C rating (vs S9S12HZ64J3CAL)
Notes de conception
Decouple each VDDC and VDDX pair with a 100 nF X7R ceramic placed within 3 mm of the pin; add a bulk 4.7 µF tantalum or polymer cap per voltage rail. NXP recommends keeping the core regulator input (VDDR) supplied from a separate LC filter when the digital I/O switching noise is heavy, since the 1.8V internal regulator feeds sensitive analog blocks.
Route the EXTAL and XTAL pins over a continuous ground plane and place load capacitors within 5 mm; keep the crystal traces short and surround them with a ground pour tied to the MCU VSS. The PLL filter components (XFC pin) must use the recommended NXP filter values and be guarded from high-current traces to avoid jitter.
Configure the XGATE interrupt vector table and clear the XGATE-RAM ECC before enabling XGATE requests; otherwise the first XGATE interrupt will vector to an uninitialized location. The hardware-emulated EEPROM requires the user to enable Flash partition protection in FPROT and follow the NXP EEPROM emulation driver, not raw byte-writes, to avoid wear-out.
Place the BDM (background debug mode) header at the board edge in a 2x5 0.1-inch dual-row pattern so a P&E Multilink or USBDM can attach without desoldering. Route BKGD and RESET as a paired set with a 10 kΩ pull-up on RESET to VDDX; failure to do so prevents entry into debug mode and complicates field firmware recovery.
For CAN bus connections, keep the transceiver within 25 mm of the MCU TXCAN/RXCAN pins, route the bus as a 120-ohm differential pair with matched lengths, and place the termination at the cable ends, not at the MCU. The S12X CAN module is rated for 1 Mbit/s with proper bus topology.
Informations de conformité
AEC-qualified per NXP product page ('Automotive Qualified'). Lead-free assumed from LQFP-112 gull-wing terminal form. RoHS/REACH/halogen status not explicitly stated in the provided verified data.
