飞思卡尔16位单片机MC9S12XE系列的主CPU和协处理器X—GATE的信号量使用C语言参考代码，绝对能用，本人在MC9S12XEQ512上测试通过。-Freescale 16-bit single-chip series MC9S12XE the main CPU and the co-processor X-GATE signal volume using C language reference code, never use, I MC9S12XEQ512 on the test.

XGATE 协处理器应用于中断的程序举例-XGATE co-processor used in the Examples of the interrupted program