基于PIC的直流电动机PWM调速控制系统设计论文(8)

GND95VCC4C1C1R3R2R1U3:D74HC14+5V+12V+12VPWM1PWM2GND11+5VGND10VCC1PIC18F458VCC2U3PC817U11:BCOMC2C2R2R2U1U1R1+5VR1VCCLONCIR2111VBVBVCCU336 INHOVSHONCLOIR2111GND7440VGND41098RE2/CS/C2OUT/AN7RE1/WR/C1OUT/AN6RE0/RD/AN5302928272221201926252423181716153kRD7/PSP7/P1DRD6/PSP6/P1CRD5/PSP5/P1BRD4/PSP4/ECCP1/P1ARD3/PSP3/C2IN-RD2/PSP2/C2IN+RD1/PSP1/C1IN-RD0/PSP0/C1IN+RB7/PGDRB6/PGCRB5/PGMRB4RB3/CANRXRB2/INT2/CANTXRB1/INT1RB0/INT04039383736353433RA6/OSC2/CLKORA5/AN4/SS/LVDINRA4/T0CKIRA3/AN3/VREF+RA2/AN2/VREF-RA1/AN1RA0/AN0/CVREFRC7/RX/DTRC6/TX/CKRC5/SDORC4/SDI/SDARC3/SCK/SCLRC2/CCP1RC1/T1OSIRC0/T1OSO/T1CKIMCLR/VPPOSC1/CLKI14765432113K1K2K3IR2111LONCIR2111NCLOGND81KGND6PC817GND5COMVSVCC5U3VCCITP507INHOVB16U1HOVBVSVSCOMVCCINU1COMINPC817PC817U3 +12V+5V4 R2D12+12V+5VR2D1R1C2U2VCC3R1390R4C2R7Q3R25Q2GND31C474HC14674HC142U11:AU11:CQ41312Q1374HC144+5VC1D1RV17891011121314456123C1D1LCD1D0D1D2D3D4D5D6D7RSRWEVSSVDDVEEGND2C210MHzC110pF10pFGND1X1C3R19D1U1