pwm_4.lst

mega8 四路PWM输出

__start:
__text_start:
    002B E5CF      LDI	R28,0x5F
    002C E0D4      LDI	R29,4
    002D BFCD      OUT	0x3D,R28
    002E BFDE      OUT	0x3E,R29
    002F 51C0      SUBI	R28,0x10
    0030 40D0      SBCI	R29,0
    0031 EA0A      LDI	R16,0xAA
    0032 8308      STD	Y+0,R16
    0033 2400      CLR	R0
    0034 E6E2      LDI	R30,0x62
    0035 E0F0      LDI	R31,0
    0036 E010      LDI	R17,0
    0037 36EA      CPI	R30,0x6A
    0038 07F1      CPC	R31,R17
    0039 F011      BEQ	0x003C
    003A 9201      ST	R0,Z+
    003B CFFB      RJMP	0x0037
    003C 8300      STD	Z+0,R16
    003D E5E4      LDI	R30,0x54
    003E E0F0      LDI	R31,0
    003F E6A0      LDI	R26,0x60
    0040 E0B0      LDI	R27,0
    0041 E010      LDI	R17,0
    0042 35E6      CPI	R30,0x56
    0043 07F1      CPC	R31,R17
    0044 F021      BEQ	0x0049
    0045 95C8      LPM
    0046 9631      ADIW	R30,1
    0047 920D      ST	R0,X+
    0048 CFF9      RJMP	0x0042
    0049 940E00AE  CALL	_main
_exit:
    004B CFFF      RJMP	_exit
FILE: F:\【Study】\AVR_study\PWM_4\PWM-4.c
(0001) /******************************************/
(0002) /*            	 PWM—4路输出   	      */
(0003) /*      频率：430HZ，占空比可调           */
(0004) /*      四路