S912XES384J3VAA

Microcontrollers Overview

The S912XES384J3VAA is a 16-bit microcontroller from NXP Semiconductors, based on the HCS12X core. It features 384 kB of Flash program memory and 24 kB of SRAM data RAM. The device operates at a maximum clock frequency of 50 MHz and supports an operating temperature range of -40°C to +105°C. It is housed in an 80-pin QFP package with 59 I/O lines. Power supply ranges from 1.72 V to 5.5 V. Key peripherals include 16-channel ADCs (8x12-bit), 16-bit DAC, CAN, I2C, SCI, SPI interfaces, and 25 timers. It holds AEC-Q100 automotive qualification.

Microcontrollers Feature Summary

• Automotive qualified under AEC-Q100 standards for reliability in vehicle environments
• Integrated high-performance HCS12X 16-bit core with up to 50 MHz processing speed
• Comprehensive peripheral set including multiple communication interfaces and analog converters
• Extended industrial temperature operation capability for harsh conditions

Microcontrollers Applications

• Automotive body electronics control modules
• Powertrain management systems requiring robust real-time processing
• Industrial motor control applications with strict environmental tolerances
• Chassis safety systems utilizing CAN bus communication

Microcontrollers Procurement Notes

Verify the complete part number including suffixes against official NXP documentation to ensure correct package, temperature grade, and mass production status. Confirm RoHS compliance and REACH directive adherence through current manufacturer declarations. Check for any specific ordering suffixes that may affect availability or lead times. Ensure compatibility with existing PCB footprints for the 80-QFP package. Validate supply chain authenticity through authorized distributors.

Microcontrollers Selection Notes

Select this component when a 16-bit architecture with significant Flash capacity is required for complex automotive or industrial logic. The HCS12X core offers efficient code density compared to older S12 cores. Consider the 59 available I/O lines for system integration complexity. Evaluate the need for integrated analog peripherals like the 12-bit ADCs to reduce external component count. Ensure the 50 MHz speed meets real-time control loop requirements.

Microcontrollers Part Context

This MCU belongs to the S12XE family, which extends the standard S12X line with increased memory and I/O capabilities. It shares architectural similarities with other S12X devices but offers higher performance levels suitable for demanding applications. The series is designed for cost-sensitive yet high-reliability markets, particularly within the automotive sector where long-term availability and stability are critical.

Microcontrollers Replacement Considerations

Direct pin-to-pin replacements within the same package should be verified against NXP's cross-reference guides. Other members of the S12XE family with similar memory sizes may serve as alternatives if interface counts differ. Ensure software compatibility when migrating between variants within the HCS12X core family.