12为飞思卡尔单片机实验例程，包括SCI.IO.以及PIT中断定时等-12 for the Freescale MCU test routines, including SCI.IO. and PIT interrupt timing, etc.

DSP2812的源程序，包括dsp2812的各种功能实现，包括SPI,SCI,事件管理器，中断控制-DSP2812 source program, including the various functions of DSP2812, including SPI and SCI, event manager, interrupt control

飞思卡尔中断发送，用于单片机程序开发,SCI中断-Freescale transmit interrupt for microcontroller program development，SCI interrupt