其他系列 40MHz 闪存：64K@x8bit RAM：4KB
Overview
The S12XS 16-bit MCU family is optimized for a broad range of cost-sensitive automotive body electronics applications.
Addressing customer needs for design flexibility and platform compatibility, the S12X products enable scalability, hardware and software reusability and compatibility across a broad array of automotive electronics platforms.
The S12XS automotive MCU family allows you to quickly react to market opportunities while reducing the cost of migration if application requirements change during your development cycle.
Compact packaging makes these devices suitable for space-constrained applications, such as small actuators, sensor modules and column-integrated modules.
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## Features
* Key Features
* DataFlash® for data storage or program memory extension
* Reduce peripheral set for typical body applications
* This product is included in ®.s product longevity program, with assured supply for a minimum of 15 years after launch
* Other Features
* S12X CPU @ 40 MHz bus speed
* 64 KB, 128 KB and 256 KB flash memory options, all with error correction code ECC
* 4 KB to 8 KB DataFlash with ECC used for data or program storage
* Choice of configurable 8-,10- or 12-bit analog-to-digital converter ADC, capable of 3 µs conversion time
* Support for control area network CAN, local interconnect network LIN and serial peripheral interface SPI protocols
* 8-channel timer with 16-bit counters
* Excellent EMC/run and stop current performance
## Features Comparison Table
### S12XS Family Members
| MC9S12XS256| MC9S12XS64| MC9S12XS128
Serial Interfaces| | |