AT89S52单片机系统PCB(跳线版完美版)(电气11012班专用)_基于at89s52单片机

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12345678DD单排插针VCC C4 JA 1 8B20 OUT 1 1 0u F R3 AVR SAVR CON3 1 0K 1 8b 20 1 8B20 OUT SPEAK 1K R6 4.7K LS1 JPZ 5V R5 2 00 JUSB 5V SPEAKER CON3 CON2 RFM QFM 9 01 2 2 1 D1 LED SPOWER RET AVR 1 2 3 R2 1K JAVR 3.3V VCC 1 8B20 OUT JJ SPEAK 1 SPEAK VCC VCC 3 2 1 3 2 1 CON3 D2 LED 3.3V 3.3V 3.3V J3.3 VCC J3.3 GND晶振电路 单片机X11 U1C1JP0AJP2AJP0BJP2B3 3p FY1 1 2MHz X22GND GND GNDP00 P01 P02 P03 P04 P05 P06 P07 P10 P11 P12 P13 P14 P15 P16 P17 P10 P11 P12 P13 P14 P15 P16 P17 INT1 INT0 AT8 9S52 T1 T0 EAVP P00 P01 P02 P03 P04 P05 P06 P07 P33 1 3 P32 1 2 1 2 3 4 5 6 7 8 39 38 37 36 35 34 33 32 P00 P01 P02 P03 P04 P05 P06 P071 2 3 4 5 6 7 8P20 P21 P22 P23 P24 P25 P26 P271 2 3 4 5 6 7 8P00 P01 P02 P03 P04 P05 P06 P071 2 3 4 5 6 7 8P20 P21 P22 P23 P24 P25 P26 P271 2 3 4 5 6 7 8C23 3p FCON8CON8CON8CON8AVR复位电路C51/STC/AVR下载口P35 1 5 P34 1 4 6 VCC3 1 VCC5 4 3 2 1 CON5 GNDVCC VCC VCC VCC VCCJP1AJP3AJP1BJP3BP151JSTC162 8 9 RESET 10 RD WR RET 9 X11 1 9 X22 1 8 X1 X27P20 P21 P22 P23 P24 P25 P26 P272 12ISP721 22 23 24 25 26 27 28P20 P21 P22 P23 P24 P25 P26 P274 3 2 1VCC P31 P30 GNDRET338R1 4 70P10 P11 P12 P13 P14 P15 P16 P171 2 3 4 5 6 7 8P30 P31 P32 P33 P34 P35 P36 P371 2 3 4 5 6 7 8P10 P11 P12 P13 P14 P15 P16 P171 2 3 4 5 6 7 8P30 P31 P32 P33 P34 P35 P36 P37P1741 2 3 4 5 6 7 8CON44WE9蜂鸣器电路 18B20测温电路VCC5 4 3 2 1 SC5 1 CON5 JDL3.3 2 1 VCC GNDGND GND GND GND GNDP165USB 下载口 AT8 9S52 R4 C51 1K VCC U6 1 A0 A1 2 4C02 SCL SDA 2 4C02 SDA U5 CON2 VCC 1 V1 DSI3 02 CLK PS2 3 X2 JPS2 A 5 2 1 CON2 1 1 30 2I 1 30 2CE PS2 1 30 2CE DATA+ DATGND DSI3 02 JD 1 30 2CE JE 1 30 2I/O 1 1 30 2CLK CE I/O 3 2.7 68 K GND 4 6 1 30 2I DATA+ 7 1 30 2CLK V2 8 PS2 BT 3.6V 2 1 PS2-DATA PS2 CLK 5 JPS2 B 6 1 2 4C02 SCL 2 4C02 SCL JC PS2 A2 VSS 2 4C02 NC 7 1 CON2 2 4C02 SDA VDD 2 3 8 JB 2 1 RET C51 JC5 1 C3RXD TXD ALE/P PSEN2 1CON8CON8CON8CON8510P37 1 7 P36 1 610 11 30 29P30 P31 ALE PSEN5V电源+2 2u FVCC VCCIN CON2C10 2 20 uF+C11 1 04AMS11 17-3.3 V 1 2 3C51/STC复位电路3.3V VCCINCON3P00 D4 70 R301302时钟电路 PS2母头GND VCC PS2 CLK 1 2 3 4 5 6 PS2-DATAP01 D4 70 R31 43.3V电源/备用5V电源CCP02 D4 70 R32P03 D4 70 R3324C02存储电路2 X1P04 D4 70 R34P05 D4 70 R35P06 D4 70 R36 Y2USB母头J2 80 3INU7J2 80 3RPJ2 80 3OUTP07 D4 70 R***4211053S2A S3A S4A S5A S6A S7A S8A S9AP10 P11 P12 P13 P14 P15 P16 P17独立键盘电路C5 3 3p F C6 3 3p FGND VCC DAT-1 2 3 4 5 68 7 6 5 4 3 2 1 CON8P20 Q P21 Q P22 Q P23 Q P24 Q P25 Q P26 Q P27 QP20 Q P21 Q P22 Q P23 Q P24 Q P25 Q P26 Q P27 Q1 2 3 4 5 6 7 8 CON8 ULN28 03 1 0Kfabcdeabcdg dpeg dpLED1fLED21 2 3 4 5 6 7 8 918 17 16 15 14 13 12 11 10BJ