S912XET256J1MAA

Microcontrollers Overview

The S912XET256J1MAA is a 16-bit microcontroller from the NXP S12XE series, built on the HCS12X core. It features 256 kB of Flash memory and 16 kB of SRAM. The device operates at a maximum clock frequency of 50 MHz and supports an extended industrial temperature range of -40°C to +125°C. It is housed in an 80-pin QFP package and holds AEC-Q100 automotive qualification. Key peripherals include multiple communication interfaces such as CAN, I2C, SCI, and SPI, along with 16-channel ADCs.

Microcontrollers Feature Summary

• Automotive-grade reliability certified under AEC-Q100 standards for harsh environments
• Enhanced system integrity through Memory Protection Unit (MPU) and Error Correction Code (ECC)
• High-performance XGATE coprocessor for efficient data movement and logic operations
• Integrated enhanced EEPROM functionality for robust data storage

Microcontrollers Applications

• Automotive body electronics and gateway applications
• Industrial control systems requiring high reliability
• Multi-drop communication networks using CAN protocols
• Sensor interface modules with analog-to-digital conversion needs

Microcontrollers Procurement Notes

Verify the specific suffix 'J1' against official NXP documentation to confirm pinout compatibility and temperature grade, as variations exist within the S12XE family. Ensure the ordering part number matches the required package type and moisture sensitivity level. Cross-reference with the latest datasheet revision to confirm all electrical specifications and peripheral availability for this exact variant before finalizing procurement.

Microcontrollers Selection Notes

Select this component when designing for automotive or industrial applications requiring 16-bit processing with high system integrity features. The S12XE architecture offers backward compatibility with existing S12X codebases while providing enhanced performance. Consider the 80-pin QFP package constraints regarding available I/O lines and ensure the 50 MHz bus speed meets the real-time processing requirements of the target application.

Microcontrollers Part Context

This microcontroller belongs to the S12XE family, which extends the capabilities of the S12XD series. It combines the efficiency of 16-bit architecture with 32-bit performance levels. The series is designed for cost-sensitive yet high-reliability markets, offering extensive peripheral integration including timers, PWMs, and multiple serial communication channels within a compact footprint.

Microcontrollers Replacement Considerations

Check for direct substitutes within the S12XE family with identical memory sizes and pinouts. Verify if alternative suffixes indicate different temperature ranges or packaging options that meet the design requirements without hardware changes.