【例3.1】——IO引脚输出高低脉冲电平
...................................\BACKUP
...................................\......\MCU._c
...................................\......\MCU.c.120212215348
...................................\......\MCU.c.120212215356
...................................\......\MCU.c.120212215616
...................................\......\MCU.c.120212220438
...................................\......\MCU.c.120212221010
...................................\IOPULSE.SRC
...................................\IOPULSE.cof
...................................\IOPULSE.dbg
...................................\IOPULSE.hex
...................................\IOPULSE.lk
...................................\IOPULSE.lst
...................................\IOPULSE.mak
...................................\IOPULSE.mp
...................................\IOpulse.prj
...................................\IO端口输出脉冲信号.DSN
...................................\IO端口输出脉冲信号.PWI
...................................\Last Loaded IO端口输出脉冲信号.DBK
...................................\MCU.c
...................................\MCU.lis
...................................\MCU.o