PREC C RI max809 2 OSC 1/CLKIN OSC 2/CLKOUT CLK ⅤDD MCLR/VPP/HV RCO/TIOSO/TICKI RST VDD RAO/ANO UT VCON RCI/TIOSI/CCP2 RAl/ANI RC2/CCPI RA2/AN2/VREF RC3/SCK/SCL DA WT RA3/AN3/VREF+ RC4/SDISDA UB RA4/TOCKI RCS/SDO RAS/AN4/SS RC6/TX/CK WVS WB RBO/INT RCTRX/DT 456786 GND GND RBI RBS SM2001 RB2 RB6/PGC RB3/PGM RBZ/PGD RB4 PC16F8731 2 3 4 5 6 A B C D 1 2 3 4 5 6 D C B A Title Size Number Revision B Date: 30-Dec-2002 Sheet of File: E:\wyf\linear motor\论文电路图\论文电路.ddb Drawn By: Q 1 + C 1 R 5 3 2 1 4 11 U1A VCC 5 6 7 U1B 10 9 8 U1C 12 13 14 U1D R 2 R 3 VCC C 2 R 4 D 1 VCC VCC R 1 PREC VCON 1 2 3 4 5 6 A B C D 1 2 3 4 5 6 D C B A Title Size Number Revision B Date: 30-Dec-2002 Sheet of File: E:\wyf\linear motor\论文电路图\论文电路.ddb Drawn By: CLK RST C S C K D A O E INT WVS GND GND W B V B U B W T V T U T VDD VDD U 1 SM2001 RA0/AN0 2 RA1/AN1 3 RA2/AN2/VREF- 4 RA3/AN3/VREF+ 5 RA4/T0CKI 6 RA5/AN4/SS 7 RB0/INT 21 RB1 22 RB2 23 RB3/PGM 24 RB4 25 RB5 26 RB6/PGC 27 RB7/PGD 28 RC0/T1OSO/T1CKI 11 RC1/T1OSI/CCP2 12 RC2/CCP1 13 RC3/SCK/SCL 14 RC4/SDI/SDA 15 RC5/SDO 16 RC6/TX/CK 17 RC7/RX/DT 18 MCLR/VPP/THV 1 OSC1/CLKIN 9 OSC2/CLKOUT 10 U 2 PIC16F873 C10 Y 1 C11 1 2 3 max809 VCC VCON VCC VCC