demo_8_6.inc

基于比较匹配输出的脉冲宽度调制PWM,利用ATMEGA16的T/C0匹配输出脚OC0上的PWM波通过RC积分电路,滤掉高频进行平滑后,得到模拟的正弦波信号.

_auc_SinParam:
	.DB  0x80,0x86,0x8C,0x93,0x99,0x9F,0xA5,0xAB
	.DB  0xB1,0xB6,0xBC,0xC1,0xC6,0xCC,0xD0,0xD5
	.DB  0xDA,0xDE,0xE2,0xE6,0xE9,0xED,0xF0,0xF2
	.DB  0xF5,0xF7,0xF9,0xFB,0xFC,0xFD,0xFE,0xFE
	.DB  0xFE,0xFE,0xFD,0xFC,0xFB,0xFA,0xF8,0xF6
	.DB  0xF4,0xF1,0xEE,0xEB,0xE8,0xE4,0xE0,0xDC
	.DB  0xD7,0xD3,0xCE,0xC9,0xC4,0xBF,0xB9,0xB3
	.DB  0xAE,0xA8,0xA2,0x9C,0x96,0x90,0x89,0x83
	.DB  0x7D,0x77,0x70,0x6A,0x64,0x5E,0x58,0x52
	.DB  0x4D,0x47,0x41,0x3C,0x37,0x32,0x2D,0x29
	.DB  0x24,0x20,0x1C,0x18,0x15,0x12,0xF,0xC
	.DB  0xA,0x8,0x6,0x5,0x4,0x3,0x2,0x2
	.DB  0x2,0x2,0x3,0x4,0x5,0x7,0x9,0xB
	.DB  0xE,0x10,0x13,0x17,0x1A,0x1E,0x22,0x26
	.DB  0x2B,0x30,0x34,0x39,0x3F,0x44,0x4A,0x4F
	.DB  0x55,0x5B,0x61,0x67,0x6D,0x74,0x7A,0x80
	.DEF _x_SW=R5
_3:
	.DB  0x8
	.DEF _X_LUT=R4

__GLOBAL_INI_TBL:
	.DW  0x01
	.DW  0x05
	.DW  _3*2

	.DW  0
_0x09: