S912XEG384J3CALR - 16-Bit 50MHz 384KB MCU | NXP
MPN: S912XEG384J3CALR ✗ End of Life| Qty | Unit Price | Extended |
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| 1 | $0 | $0.00 |
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S912XEG384J3CALR Overview
An S12X microcontroller is a 16-bit embedded-control processor within the HCS12 microcontroller family. It combines a 50 MHz CPU with integrated flash memory, analog conversion, timing peripherals, and communication interfaces for automotive and industrial control systems. The S12X architecture provides a platform suitable for motor control, body electronics, instrumentation, and other embedded applications.
Verified features include an XGATE co-processor for building virtual peripherals and improving overall performance, programmable hardware-emulated EEPROM, a memory protection unit, supervisor and user modes, a 12-bit ADC with 3 μs conversion time, an enhanced capture timer, a periodic interrupt timer, and a real-time interrupt timer. These peripherals support deterministic control, signal acquisition, timing, and system protection.
The S912XEG384J3CALR combines 384 KB of flash with a 50 MHz operating frequency and a 112-LQFP package. Its automotive-qualified designation makes it suitable for applications requiring a broad industrial temperature range, although the exact qualification scope and lifecycle status must be confirmed from current NXP documentation. The R suffix identifies the ordering variant supplied in the verified data.
Typical applications include electronic throttle and engine-control subsystems, body and powertrain control modules, actuator controllers, automotive instrumentation, motor-control electronics, and industrial embedded controllers. The combination of on-chip flash, conversion resources, timing peripherals, and security-oriented system integrity features reduces the need for external components in compact control designs.
When designing around this device, verify its complete pinout, power-supply requirements, clock configuration, peripheral multiplexing, memory map, and programming requirements against the current NXP datasheet before releasing a PCB or firmware. The supplied search data confirms the core identity, package, frequency, memory size, temperature range, and automotive qualification, but does not provide every electrical or pin-level parameter.
Drop-in alternatives for S912XEG384J3CALR — 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 S912XEG384J3CALR (same form factor and footprint) — differing in Package, Automotive Qualification, Operating Temperature, Supply Voltage, Temperature Grade.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
S912XEQ384F1VAL
✅ Drop-In📋 Reference alternative (not in catalog)
S912XDP512J1MAL
✅ Drop-In✓ In Stock
$18.5 / Unit
View Datasheet →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 →S912XEG384J3CALR Maximum Ratings & Electrical Characteristics
| Product Type | 16-bit microcontroller |
| CPU Core | S12X |
| Operating Frequency | 50 MHz |
| Flash Memory | 384 KB |
| Flash Organization | 384K x 8 |
| Package | 112-LQFP (20 x 20 mm) |
| Temperature Range | -40°C to +85°C |
| Automotive Qualification | Automotive qualified |
| ADC Resolution | 12-bit |
| ADC Conversion Time | 3 μs |
| Coprocessor | XGATE |
| EEPROM | Programmable hardware-emulated EEPROM |
| System Integrity | Memory protection unit with supervisor and user modes |
| Timers | Enhanced capture timer, periodic interrupt timer, and real-time interrupt timer |
| Terminal Count | 112 terminals |
| Mounting Form | Gull-wing |
| Supplier Classification | Peripheral IC |
| RoHS Status | unknown |
| REACH Status | unknown |
S912XEG384J3CALR 112-lqfp (20 x 20 mm) Pin Configuration Guide
Pin configuration for S912XEG384J3CALR (112-lqfp (20 x 20 mm) 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 S912XEG384J3CALR.
Refer to the datasheet for full pin configuration.
Typical Applications
S912XEG384J3CALR is suitable for 6 applications: Automotive Body Control, Powertrain and Actuator Control, Automotive Instrumentation, Industrial Motor Controller, Embedded Diagnostic System, Sensor and Signal Conditioning Module.
Automotive Body Control
The S912XEG384J3CALR fits an automotive body-control module that coordinates lighting, door functions, driver interfaces, and actuator supervision. Its verified 50 MHz S12X core provides processing headroom, while 384 KB of internal flash supports application code without assuming an external program-memory device. The 12-bit ADC with 3 μs conversion time can monitor analog inputs such as switches, sensors, and diagnostic circuits, and the timer peripherals support periodic control and real-time events. The -40°C to +85°C rating and automotive-qualified designation make it a candidate for vehicle environments, subject to EMC, environmental, and production validation.
Recommended
Powertrain and Actuator Control
The S912XEG384J3CALR is suitable for actuator-control and powertrain-adjacent modules that need deterministic embedded processing and local conversion resources. Its 50 MHz S12X CPU supports protocol handling, control logic, diagnostics, and supervisory functions, while the enhanced capture timer can measure edges and pulses from sensors or switching devices. The periodic interrupt timer and real-time interrupt timer help organize recurring control tasks and latency-sensitive events. The 384 KB flash capacity can hold substantial application and diagnostic code. Actual suitability depends on the actuator voltage, isolation requirements, thermal environment, safety architecture, and qualification evidence.
Recommended
Automotive Instrumentation
The S912XEG384J3CALR can serve as the control processor for an automotive instrument cluster or sensor-conditioning module when analog measurement, periodic sampling, and event handling are required. Its 12-bit ADC and stated 3 μs conversion time provide a basis for responsive input acquisition, while the 50 MHz processor can supervise filtering, diagnostics, display communication, and input debounce logic. The internal flash provides 384 KB for code and calibration-related storage where the project architecture permits. The design must confirm the actual ADC accuracy, calibration method, display interface, and electrical protection because those parameters were not included in the verified search data.
Recommended
Industrial Motor Controller
The S912XEG384J3CALR is a reasonable candidate for an embedded motor or valve controller when the application requires a compact 112-LQFP footprint, high-frequency control, and multiple timing functions. The 50 MHz S12X core can execute motor algorithms and supervisory logic, while the enhanced capture timer supports input capture and the periodic interrupt timer supports fixed-period tasks. The memory protection unit and supervisor/user modes can help separate privileged control functions from application code. The ADC can support current, position, or sensor feedback where its full accuracy and input-range characteristics are verified from the manufacturer datasheet.
Recommended
Embedded Diagnostic System
The S912XEG384J3CALR can support diagnostics and monitoring nodes that need local flash, protected code execution, and periodic sensing. Its 384 KB internal flash can hold diagnostic tables, event logs, and application routines, while the memory protection unit and supervisor/user modes can support controlled access to critical routines. The ADC and timing peripherals allow the node to acquire analog conditions and react to scheduled or asynchronous events. For production designs, confirm watchdog, communications, clock, reset, and pin-level functions in the current NXP documentation; those details were not present in the supplied distributor snippets.
Recommended
Sensor and Signal Conditioning Module
The S912XEG384J3CALR is suitable for a local signal-conditioning and sensor-interface module that must combine acquisition, timing, diagnostics, and communication in one controller. The verified 12-bit ADC with 3 μs conversion time supports measured sampling tasks, while the 50 MHz core can perform filtering, thresholding, calibration, and data formatting. The periodic interrupt timer provides a predictable service mechanism and the real-time interrupt timer can respond to external events. The integrated 384 KB flash can reduce external storage requirements, but the design must confirm input protection, reference voltage, analog range, bandwidth, and calibration limits from the full datasheet.
Recommended
Recommended Products Summary
Engineering reference data for S912XEG384J3CALR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | S912XEQ384F1VAL | S912XDP512J1MAL | S912XES384J3VAL | S912XEG384AVAGR | S912XDT384J1MAG |
|---|---|---|---|---|---|---|
| CPU Core | S12X | S12X family candidate | S12X family candidate | S12X family candidate | S12X family candidate | S12X family candidate |
| Flash Memory | 384 KB | 384 KB indicated in comparison candidate | 512 KB indicated in ordering candidate | 384 KB indicated in part number | 384 KB indicated in part number | 384 KB indicated in part number |
| Package | 112-LQFP (20 x 20 mm) | 112-LQFP compatibility candidate | 112-LQFP compatibility candidate | 112-LQFP compatibility candidate | 112-LQFP compatibility candidate | 112-LQFP compatibility candidate |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
Key Differentiators
- 384 KB internal flash (vs S912XDP512J1MAL)
- 50 MHz operating frequency (vs S912XEQ384F1VAL)
- Automotive-qualified positioning (vs S912XES384J3VAL)
- XGATE and system-integrity resources (vs S912XDT384J1MAG)
Design Notes
Do not treat a matching family name as proof of drop-in compatibility. Verify the candidate datasheet pin map, supply pins, clock configuration, memory organization, peripheral multiplexing, reset behavior, and package drawing. The supplied data identifies the target as 112-LQFP, but it does not provide a complete pinout, so a schematic cannot be approved from these search snippets alone.
Plan the power tree around the target's verified 50 MHz operating point only after obtaining the electrical limits from the current NXP datasheet. Check supply voltage, current consumption, analog and digital supply relationships, decoupling requirements, and power sequencing. The supplied sources do not specify current or voltage ratings, so regulator sizing and capacitor values remain application-specific.
Preserve the 112-LQFP land pattern and thermal implications during PCB layout. Keep analog inputs, ADC-related routing, clock lines, and high-current paths separated where practical, and follow NXP's recommended decoupling and grounding layout. Confirm exposed-pad or thermal requirements from the package drawing because the verified snippets identify only the LQFP form factor and terminal count.
The target includes a 50 MHz processor and an ADC with a stated 3 μs conversion time. Use controlled impedance routing for clock-sensitive nets, minimize long analog traces, and provide appropriate input conditioning and filtering. Validate timing, ADC accuracy, and electromagnetic behavior on production-intent hardware because the supplied data does not include complete electrical timing or analog specifications.
Compliance Information
The verified distributor results state automotive qualified and -40°C to +85°C operation, but do not provide formal RoHS, REACH, lead-free, halogen-free, or conflict-minerals evidence. AEC-Q100 is recorded as qualified only from the supplier's automotive-qualified designation; confirm the exact NXP qualification documentation.
