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S12XE: 16-Bit Automotive Microcontroller

The MC9S12XE family of microcontrollers takes the innovation of today’s S12XD family a step further with features that deliver enhanced system integrity and greater functionality. These features include a memory protection unit (MPU) and error correction code (ECC) on the flash memory together with enhanced EEPROM functionality, an enhanced XGATE, a frequency modulated locked loop and a faster analog-to-digital converter (ADC). The MC9S12XE family extends the S12X product range up to 1 MB of flash memory with increased I/O capability in the 208-pin version of the flagship MC9S12XE100.

Targeted at automotive multiplexing and generic auto body applications, MC9S12XE family delivers 32-bit performance with all the advantages and efficiencies of a 16-bit MCU. It retains the cost-effective, power consumption, electromagnetic compatibility and code-size efficiency advantages of Freescale’s existing 16-Bit MC9S12 and S12X MCU families. There is a high level of compatibility between the S12XE and S12XD families. The S12XS family provides an economical, compatible extension to the S12XE family.

Features

XGATE co-processor capable for build virtual peripherials and boost the overall performance
Flexible programmable hardware emulated EEPROM
System integrity support with the memory protection unit & supervisor/user modes
S12X CPU @ 50Mhz bus speed
MPU
Loop control/full-swing Pierce oscillator
Enhanced interrupt module
Non-multiplexed external bus interface (EBI)
ADC 12-bit resolution and 3μs conversion time
Enhance capture timer (ECT)
Periodic interrupt timer (PIT)
Real Time Interrupt (RTI)
Asynchronous periodic interrupt (API)
Pulse width modulator (PWM)
MSCAN Module
Serial peripherial interface (SPI)
Serial communication interface (SCI)
Background debug module (BDM) debugger (xDBG)
On-chip voltage regulator
This product is included in Freescale’s product longevity program, with assured supply for a minimum of 15 years after launch