NXP MC9S12XEQ512CAA, 16bit HCS12X Microcontroller, S12XE, 50MHz, 512 Kb Flash, 80-Pin HQFP

The MC9S12XE-Family of micro controllers is a further development of the S12XD-Family including new features for enhanced system integrity and greater functionality. These new features include a Memory Protection Unit and Error Correction Code on the Flash memory together with enhanced EEPROM functionality , an enhanced XGATE, an Internally filtered, frequency modulated Phase Locked Loop and an enhanced ATD.

COP watchdog
Real time interrupt
Clock monitor
Low pass filter wake up function
Loop back for self test operation