S912XEG384J3VALR - 16-Bit 50MHz 384KB MCU | NXP
MPN: S912XEG384J3VALR ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $14.9874 | $14.99 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
S912XEG384J3VALR Overview
A microcontroller is a programmable integrated circuit that executes firmware, coordinates hardware peripherals, and provides the central control function for embedded equipment. The HCS12X family belongs to the broader hierarchy of embedded processors, microcontrollers, semiconductors, and electronic control systems. This part combines real-time control capability with substantial on-chip flash in a package designed for higher-pin-count automotive and industrial electronics.
Key verified features include a 16-bit CPU, the S12X core, 384 KB of flash, a 50 MHz operating frequency, and a -40°C to +105°C temperature range. The distributor records also identify the device as automotive qualified and list SPI connectivity. These characteristics suit applications requiring embedded control, serial communication, monitoring, diagnostics, and general-purpose peripheral coordination.
The S912XEG384J3VALR is identified as an HCS12X MCU and is listed in a 112-LQFP configuration. Its high pin count provides a substantial external interface for power, ground, communications, timers, interrupts, and other embedded-control functions. Exact peripheral allocation, memory organization, electrical limits, and pin-level signal names must be confirmed in the manufacturer datasheet before a board design is released.
Typical uses include automotive body and chassis control modules, industrial controllers, communication equipment, sensor hubs, and compact embedded control platforms. The -40°C to +105°C range and automotive qualification make the device relevant to temperature-variable environments, while 384 KB of flash provides room for a more substantial embedded program than many smaller 8-bit or low-memory MCUs.
Designers should verify supply voltage, clock requirements, multiplexing, unused-pin treatment, programming, watchdog behavior, and decoupling directly against the NXP datasheet. Do not infer pin functions or peripheral availability from distributor summaries alone, because the provided web data does not include a complete pinout or electrical characteristic table.
Drop-in alternatives for S912XEG384J3VALR — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with S912XEG384J3VALR (same form factor and footprint) — differing in Package, Mounting Type, Package Code, Automotive Qualification, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
S912XES384J3VAL
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$14.85 / Unit
View Datasheet →S912XEG384AVAGR
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
Contact for price
View Datasheet →S912XDT384J1MAG
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$7.45 / Unit
View Datasheet →S912XET256W1MAA
✅ Drop-In📋 Reference alternative (not in catalog)
S912XEG128W1MAAR
✅ Drop-In📋 Reference alternative (not in catalog)
S912XEG384J3VALR Maximum Ratings & Electrical Characteristics
| Product Type | 16-bit microcontroller |
| Processor Core | S12X core |
| CPU Architecture | 16-bit HCS12X |
| Maximum Clock Frequency | 50 MHz |
| Flash Memory | 384 KB |
| Flash Organization | 384K x 8 |
| Operating Temperature Range | -40°C to +105°C |
| Automotive Qualification | Automotive Qualified |
| Package | 112-LQFP |
| Package Dimensions | 20 mm x 20 mm |
| Package Type | Square LQFP |
| Mounting Type | Surface mount |
| Terminal Count | 112 terminals |
| Lead Form | Gull-wing |
| Interface | SPI |
S912XEG384J3VALR square lqfp Pin Configuration Guide
Pin configuration for S912XEG384J3VALR (square lqfp package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for S912XEG384J3VALR.
Refer to the datasheet for full pin configuration.
Typical Applications
S912XEG384J3VALR is suitable for 6 applications: Automotive Body Control Module, Industrial Sensor Hub, Automotive Communication Gateway, Embedded Measurement and Control Platform, Automotive Power and Motor Control, Portable Embedded Control Unit.
Automotive Body Control Module
The S912XEG384J3VALR fits an automotive body-control application because the verified data identifies a 16-bit HCS12X core, 384 KB of flash, a 50 MHz clock, and -40°C to +105°C operation. Its automotive-qualified designation makes it relevant for coordinating lighting, locks, climate controls, diagnostic inputs, and body electronics. The 112-LQFP package also provides many external connections for sensors, switches, actuators, communication lines, and power management. Before schematic release, verify the exact supply voltage, I/O ratings, pin multiplexing, transceiver requirements, and automotive qualification grade in the NXP datasheet.
Recommended
Industrial Sensor Hub
Use the S912XEG384J3VALR for an industrial sensor hub when the design needs embedded logic, SPI connectivity, and more program storage than a small 8-bit MCU. The 384 KB flash supports a larger application image, while the 50 MHz S12X core provides additional processing headroom for sensor acquisition, filtering, configuration, and local diagnostics. The -40°C to +105°C range is useful for equipment exposed to changing ambient conditions. A robust implementation should include suitable sensor transceivers, ESD protection, regulated supply design, and a watchdog strategy verified from the complete datasheet.
Recommended
Automotive Communication Gateway
The S912XEG384J3VALR is suitable for a gateway or distributed control node that coordinates serial communication and local real-time functions. Its verified SPI interface provides a defined starting point for connecting sensors, memory, transceivers, or peripheral controllers, while 384 KB flash accommodates protocol handling and configuration data. The 50 MHz 16-bit core can support protocol state machines and supervisory logic. Actual network performance depends on the selected transceiver, connector, termination, isolation, and timing budget; those details are not specified by the distributor snippets and must be designed from verified electrical characteristics.
Recommended
Embedded Measurement and Control Platform
The S912XEG384J3VALR can serve as the central controller in a measurement platform that must combine acquisition sequencing, calibration, data handling, and control output. Its 16-bit S12X architecture and 50 MHz clock provide a practical balance of processing capability and embedded integration, while 384 KB flash reduces the need for external program storage in moderate systems. The wide specified temperature range supports industrial and automotive-adjacent enclosures. Confirm analog interface components separately, because the supplied data does not identify ADC resolution, DAC capability, timer count, or external-memory interface.
Recommended
Automotive Power and Motor Control
The S912XEG384J3VALR can be evaluated for low-level power or motor-control subsystems where embedded control, serial communication, and diagnostic behavior are required. Its 50 MHz S12X core can execute control loops and supervisory logic, while the 112-LQFP package offers a broad pin count for gate-drive inputs, position signals, protection signals, and communications. This application requires careful verification of motor-drive topology, isolation, current sensing, switching-device selection, and thermal design. The supplied data does not confirm dedicated PWM, ADC, or motor-control peripherals, so those functions must be verified before committing the MCU to a safety-relevant power stage.
Recommended
Portable Embedded Control Unit
The S912XEG384J3VALR may be used in a portable embedded control unit when the design benefits from substantial flash and a wide operating-temperature specification. The 16-bit processor can manage user-interface state, sensor inputs, communication tasks, and configurable control behavior, while SPI can connect to compact sensors or storage devices. Its 112-LQFP footprint is relatively large for a miniaturized enclosure, so board-area and thermal considerations may make a smaller package preferable. Use the manufacturer documentation to confirm sleep modes, operating current, supply sequencing, and I/O voltage domains before selecting it for battery-powered equipment.
Recommended
Recommended Products Summary
Engineering reference data for S912XEG384J3VALR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | S912XES384J3VAL | S912XEG384AVAGR | S912XDT384J1MAG | S912XET256W1MAA | S912XEG128W1MAAR |
|---|---|---|---|---|---|---|
| Package | 112-LQFP, 20 mm x 20 mm | 112-LQFP; exact dimensions not verified | 112-LQFP; exact dimensions not verified | 112-LQFP; exact dimensions not verified | LQFP family; exact package details not verified | LQFP family; exact package details not verified |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| CPU Architecture | 16-bit HCS12X | Related S12X family; exact specification not verified | Related S12X family; exact specification not verified | Related S12X family; exact specification not verified | S12X family; exact specification not verified | S12X family; exact specification not verified |
| Flash Memory | 384 KB | 384 KB class indicated by site listing | 384 KB class indicated by site listing | 384 KB class indicated by site listing | 256 KB indicated by comparison listing | 128 KB indicated by comparison listing |
Key Differentiators
- High flash capacity within the verified HCS12X configuration (vs S912XET256W1MAA)
- Higher memory capacity than the 128 KB related candidate (vs S912XEG128W1MAAR)
- Verified 50 MHz S12X processing performance (vs S912XES384J3VAL)
Design Notes
The target uses a 112-LQFP package with a 20 mm x 20 mm footprint. Place the device according to the official package drawing, preserve solder-mask and copper-clearance recommendations, and route high-current or sensitive signals away from digital switching paths. Because the supplied data does not include a complete pinout, do not finalize land patterns or signal assignments from distributor summaries alone.
Confirm the device's exact supply voltage, I/O voltage domains, input tolerances, absolute maximum ratings, and power sequencing requirements from the manufacturer datasheet before applying power. The verified sources provide no supply-voltage value, so a regulator or protection circuit must not be selected from inference. Use local decoupling and protection appropriate to the final clock, interface, and environmental requirements documented by NXP.
For an automotive or industrial enclosure, estimate junction temperature from the actual switching loss, board copper, ambient temperature, and verified thermal-resistance data. Those values are not included in the supplied web results, so no numerical thermal claim is made here. Validate the final assembly with temperature rise and operating-life testing, especially because the specified ambient range extends to +105°C.
Do not treat related S12X order codes as drop-in replacements without checking the exact pinout, memory map, voltage, peripheral multiplexing, qualification, and package dimensions. In particular, the verified comparison search includes devices with 256 KB and 128 KB flash, which are not memory-equivalent to the 384 KB target. Use the NXP product page and datasheet for the final cross-reference decision.
Compliance Information
The verified distributor data identifies the device as automotive qualified but does not provide RoHS, REACH, AEC-Q100 grade, lead-free, halogen-free, or conflict-minerals declarations.
