【单选题】Led 灯 从低位往高位移 点亮 P1.7 P1.6 P1.5 P1.4 P1.3 P1.2 P1.1 P1.0 P1 赋值 1 1 1 1 1 1 1 0 P1=? 1 1 1 1 1 1 0 1 P1=? 1 1 1 1 1 0 1 1 P1=? 1 1 1 1 0 1 1 1 P1=? 1 1 1 0 1 1 1 1 P1=? 1 1 0 1 1 1 1 1 P1=? 1 0 1 1 1 1...
A.
{0xfe,0xfc,0xf8,0xf0,0xe0,0xc0,0x80,0x00}
B.
{0x7f,0x3f,0x1f,0x0f,0x07,0x03,0x01,0x00}
C.
{0x00,0x80,0xc0,0xe0,0xf0,0xf8,0xfc,0xfe}
D.
{0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f}