s12xs芯片实用的呼吸灯程序，灯的亮度随着时间变化，默认PORTB接了led灯-chip s12xs practical procedures to breathe light, lamp brightness changes with time, the default then the led lights PORTB

nrf24l01与S12XS无线通讯程序。本人已调试成功-the communication between nrf24l01 and S12XS

这个是我在s12XS龙丘开发版上验证过的程序，绝对可以跑起来-The Developer Edition on s12XS Long Hill verify program can definitely run up

本技术手册为MC9S12X128芯片，适用于飞思卡尔 S12XS系列车载芯片的开发使用，资料较为详尽。-MC9S12XS128 Technical Information.This document contains information for the complete S12XS Family and thus includes a set of separate flash(FTMR)module sections to cover the whole family.