郭天祥51单片机开发板原理图.pdf

L D_MODE VDD_P L L GND_P L L P L L _TEST OSC1 OSC2 U101 P L 2303 VDD VDD VDD VDD - D1 D2 + USB2 USB + CJ2 10U/16V C05 104 R05 18 R06 18 C07 104 R03 10K R04 10K R07 1.5K C08 104 Y3 12MHZ C03 20P C04 20P P 3.0 P 3.1 C01 104 VDD GND VDD R01 10K R02 10K VDD GND VDD 1 2 3 4 P 101 TTL VDD GND P 3.0 P 3.1 g 1 f 2 v 3 a 4 b 5 dp 6 c 7 v 8 d 9 e 10 a b c g f e d dp L ED1 a b c d e f g h f g 1 f 2 v 3 a 4 b 5 dp 6 c 7 v 8 d 9 e 10 a b c g f e d dp L ED2 a b c d e f g h f g 1 f 2 v 3 a 4 b 5 dp 6 c 7 v 8 d 9 e 10 a b c g f e d dp L ED3 a b c d e f g h f g 1 f 2 v 3 a 4 b 5 dp 6 c 7 v 8 d 9 e 10 a b c g f e d dp L ED4 a b c d e f g h f g 1 f 2 v 3 a 4 b 5 dp 6 c 7 v 8 d 9 e 10 a b c g f e d dp L ED5 a b c d e f g h f g 1 f 2 v 3 a 4 b 5 dp 6 c 7 v 8 d 9 e 10 a b c g f e d dp L ED6 a b c d e f g h f WR