S912XD64F2VAA - 80MHz S12X MCU, 64KB Flash | NXP | Automotive
Référence : S912XD64F2VAA ✗ Fin de vie| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $11.9667 | $11,97 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1 000 | $0 | $0,00 |
S912XD64F2VAA Présentation
A microcontroller is an integrated semiconductor device that executes firmware, reads sensor inputs, controls actuators, and coordinates communication between electronic subsystems. The HCS12X architecture remains upward-compatible with the HCS12 instruction set while adding enhanced indexed addressing, an enhanced instruction set, interrupt stacking, and a programmer's model compatible with HCS12. Within the system hierarchy, this MCU combines real-time control, data processing, and serial communications in one device.
The principal verified features are an 80 MHz maximum clock, 64 KB x 8 flash memory, 59 I/O pins, and an 80-pin QFP package. The listed connectivity includes CANbus, I²C, SCI, and SPI, while the peripheral set includes pulse-width modulation, a watchdog timer, low-voltage detection, and power-on reset. These resources reduce the need for external interface devices in body, vehicle, and industrial-control designs.
Its 16-bit HCS12X core is designed for embedded control rather than host-class computing. The 64 KB flash budget provides room for application firmware, while 1 KB of EEPROM supports nonvolatile data storage. The MCU's mix of serial interfaces supports sensor networking, actuator control, diagnostics, and communication with external transceivers or modules.
Typical uses include automotive body and chassis control, engine-adjacent control systems, industrial automation equipment, CAN-connected controllers, data-acquisition systems, and embedded motor-control platforms. The -40°C to +105°C range is especially relevant where components must operate across extended automotive thermal conditions.
Designers should verify clock, memory, peripheral, reset, and pin assignments against the manufacturer datasheet before schematic capture. QFP-80 assembly also requires adequate PCB routing space, pin-1 identification, solderability planning, and thermal-conduction design. Because NXP identifies the part as end of life, long-term availability and legacy-system continuity should be confirmed before new production commitments.
This page consolidates the verified manufacturer and distributor findings, distinguishes lifecycle risk from electrical suitability, and provides engineering-oriented selection guidance. It does not infer missing electrical limits or claim an unverified drop-in replacement where the available cross-reference evidence does not establish pin compatibility.
Alternatives de remplacement direct pour S912XD64F2VAA — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
Aucune alternative de remplacement direct disponible pour ce produit.
Demander des alternativesS912XD64F2VAA Valeurs maximales et caractéristiques électriques
| Product Type | 16-bit microcontroller |
| Core | HCS12X |
| Fréquence d'horloge maximale | 80 MHz |
| Program Memory Size | 64 KB (64K x 8) |
| Program Memory Type | Flash |
| EEPROM Size | 1 KB (1K x 8) |
| Number of I/O Pins | 59 pins |
| Connectivity | CANbus, I²C, SCI, SPI |
| Peripherals | LVD, POR, PWM, WDT |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +105°C |
| Automotive Qualification | Automotive Qualified |
| Boîtier | 80-pin QFP |
| Terminal Form | Gull-wing |
| Package Shape | Square |
| CPU Architecture | HCS12 with HCS12X enhancements |
| Instruction Compatibility | Upward compatible with HCS12 instruction set |
Guide de configuration des broches du S912XD64F2VAA square
Configuration des broches du S912XD64F2VAA (boîtier square). 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 S912XD64F2VAA.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
S912XD64F2VAA convient pour 7 applications: Automotive Body Control, CAN Networked Vehicle Modules, Industrial Motor and PWM Control, Automotive Engine-Adjacent Control, Sensor Acquisition and Data Logging, Diagnostics and Service Equipment, Embedded Automotive Communication Gateway.
Automotive Body Control
The S912XD64F2VAA fits legacy body-control platforms that need coordinated I/O, CANbus communication, PWM outputs, watchdog supervision, and extended-temperature operation. Its 80 MHz HCS12X core provides real-time control bandwidth, while 64 KB of flash provides a defined firmware budget for door, lighting, latch, or convenience-system logic. The -40°C to +105°C range and automotive-qualified status support harsh vehicle environments. Firmware, diagnostics, watchdog behavior, and shutdown sequencing must still be validated against the complete vehicle requirements.
Recommandé
CAN Networked Vehicle Modules
For a CAN-connected control module, S912XD64F2VAA provides an 80 MHz 16-bit core, integrated CANbus capability, PWM, and watchdog supervision within one 80-pin QFP device. The 59 I/O pins can connect discrete inputs, outputs, and protection devices, reducing external logic compared with a minimal 8-bit design. Because no CAN transceiver is specified as integrated, the board still needs suitable bus protection and physical-layer components. Bit timing, termination, fault behavior, and diagnostic strategy require design-level validation.
Recommandé
Industrial Motor and PWM Control
The S912XD64F2VAA is applicable to industrial controllers requiring deterministic embedded execution, multiple I/O, PWM generation, and serial connectivity. Its 80 MHz HCS12X core can supervise actuator commands and process feedback while CANbus, SCI, SPI, and I²C support plant-network integration. The -40°C to +105°C rating can extend useful in cabinet or machine environments, but enclosure temperature and thermal rise must be considered. PWM resolution, timer channels, current feedback, and safe-state shutdown must be checked in the official documentation.
Recommandé
Automotive Engine-Adjacent Control
S912XD64F2VAA can serve legacy engine-adjacent control and monitoring functions where extended temperature, CAN communications, watchdog protection, and fast embedded execution are important. The 16-bit core handles sensor filtering and actuator sequencing, while 59 I/O pins support discrete interfaces around the controller. PWM channels can drive valves, heaters, or indicators where the verified peripheral set is sufficient. Placement near an engine still requires environmental, vibration, transient, and thermal design compliance beyond the device's -40°C to +105°C rating.
Recommandé
Sensor Acquisition and Data Logging
For data acquisition, S912XD64F2VAA combines 59 I/O pins with SPI, I²C, SCI, and CANbus interfaces for connecting sensors, memory, communications equipment, and a host subsystem. Its 64 KB flash supports embedded acquisition firmware, while the 1 KB EEPROM can retain small calibration or configuration values. Timer and interrupt resources should be matched to sampling needs. Because analog signal conditioning and ADC specifications were not included in the verified data, external converters may be necessary and must be researched separately.
Recommandé
Diagnostics and Service Equipment
The S912XD64F2VAA is suitable for embedded diagnostic controllers that aggregate switch inputs, drive indicator outputs, communicate over CAN or SCI, and maintain system state through watchdog and brownout-related functions. Its 80 MHz core provides headroom for protocol processing and background diagnostics, while flash provides room for diagnostic tables and routines. A production design should confirm the exact low-voltage detector thresholds, reset sources, watchdog timing, and communications channels in the manufacturer datasheet. End-of-life supply risk must be included in service-equipment lifecycle planning.
Recommandé
Embedded Automotive Communication Gateway
S912XD64F2VAA can act as an embedded gateway between CANbus and SCI, SPI, or I²C-connected subsystems when firmware needs deterministic scheduling and substantial I/O. The 80 MHz HCS12X core supports protocol translation, while PWM and watchdog resources support ancillary control functions. Its 59 I/O pins can expose status and configuration signals without a companion programmable-logic device. A gateway design still needs validated bus drivers, protection networks, watchdog-safe task partitioning, and fault-containment behavior for each network segment.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour S912XD64F2VAA — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit |
|---|---|
| Brand | NXP Semiconductors |
| Package | 80-pin QFP |
| CPU Core | HCS12X, 16-bit |
| Maximum Frequency | 80 MHz |
| Program Memory | 64 KB Flash |
| EEPROM | 1 KB |
| I/O Pins | 59 |
| Connectivity | CANbus, I²C, SCI, SPI |
| Temperature Range | -40°C to +105°C |
| Automotive Qualification | Automotive Qualified |
| Lifecycle Status | End of Life |
| Verified Unit Price | $11.9667 as of 2026-10-21 |
Principaux différenciateurs
- Exact legacy MCU identity (vs S912XDT256F1VAA)
- Verified automotive operating class (vs S912XDT384J1MAG)
- Documented serial-interface breadth (vs S912XEG384AVAGR)
Notes de conception
Do not treat the S912XD64F2VAA as an active long-term production choice without confirming supply. The NXP page identifies the part as end of life. For maintenance builds, secure traceable inventory, preserve the original firmware and toolchain, and document any substitute only after pin, clock, memory, peripheral, electrical, and software validation. Comparison-page similarity is insufficient evidence of drop-in compatibility.
Design the 80-pin QFP footprint from the official mechanical drawing rather than distributor summaries. Confirm pin 1 orientation, gull-wing lead geometry, solder-mask and copper-pad dimensions, courtyard clearance, and assembly tolerances. Place decoupling and bulk-capacitor connections close to their associated supply pins, preserve a practical programming and test strategy, and route sensitive communications away from high-current switching nodes.
The supplied evidence identifies low-voltage detection and power-on reset but does not provide operating-voltage limits, pin names, capacitor values, or reset timing. Before schematic release, obtain the official supply-voltage, absolute-maximum, power-up, reset, and decoupling requirements from the datasheet. Verify brownout behavior across the vehicle or industrial supply range and include a recovery strategy that does not depend on unverified assumptions.
A 64 KB flash MCU can still be constrained by bootloader, diagnostics, libraries, linker placement, and repeated data storage. Map memory after final firmware dependencies are selected, reserve space for boot and recovery code, and use the verified 1 KB EEPROM only after checking endurance and write timing in the manufacturer documentation. Do not store safety-critical or high-update-rate data without explicit nonvolatile-memory qualification.
Informations de conformité
Mouser identifies the device as automotive qualified, but the supplied data does not explicitly establish RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status.