1122334455667788DDCCBBAATitleNumberRevisionSizeA2Date:2019/6/30Sheet ofFile:E:\文件\1.PCB\F28335最小系统原理图.SchDocDrawn By:GPIO76/XD3133GPIO77/XD2134GPIO78/XD1135GPIO79/XD0136GPIO38/XWE0137XCLOUT138VDD139VSS140GPIO28/SCIRXDA/XZCS6141GPIO34/ECAP1/XREADY142VDDIO143VSS144GPIO36/SCIRXDA/XZCS0145VDD146VSS147GPIO35/SCITXDA/XR/W148XRD149GPIO37/ECAP2/XZCS7150GPIO40/XA0/XWE1151GPIO41/XA1152GPIO42/XA2153VDD154VSS155GPIO43/XA3156GPIO44/XA4157GPIO45/XA5158VDDIO159VSS160GPIO46/XA6161GPIO47/XA7162GPIO80/XA8163GPIO81/XA9164GPIO82/XA10165VSS166VDD167GPIO83/XA11168GPIO84/XA12169VDDIO170VSS171GPIO85/XA13172GPIO86/XA14173GPIO87/XA15174GPIO39/XA16175GPIO31/CANTXA/XA17176GPIO30/CANRXA/XA181GPIO29/SCITXDA/XA192VSS3VDD4GPIO0/EPWM1A5GPIO1/EPWM1B/ECAP6/MFSRB6GPIO2/EPWM2A7VSS8VDDIO9GPIO3/EPWM2B/ECAP5/MCLKRB10GPIO4/EPWM3A11GPIO5/EPWM3B/MFSRA/ECAP112GPIO6/EPWM4A/EPWMSYNCI/EPWMSYNCO13VSS14VDD15GPIO7/EPWM4B/MCLKRA/ECAP216GPIO8/EPWM5A/CANTXB/ADDCSOCAO17GPIO9/EPWM5B/SCITXDB/ECAP318GPIO10/EPWM6A/CANRXB/ADCSOCBO19GPIO11/EPWM6B/SCIRXDB/ECAP420GPIO12/TZ1/CANTXB/MDXB21VSS22VDD23GPIO13/TZ2/CANRXB/MDRB24GPIO14/TZ3/XHOLD/SCITXDB/MCLKXB25GPIO15/TZ4/XHOLDA/SCIRXDB/MFSXB26GPIO16/SPISIMOA/CANTXB/TZ527GPIO17/SPISOMIA/CANRXB/TZ628VDD29VSS30VDD1A1831VSS1AGND32VSSA233VDDA234ADCINA735ADCINA636ADCINA537ADCINA438ADCINA339ADCINA240ADCINA141ADCINA042ADCLO43VSSAIO44VDDAIO45ADCINB046ADCINB147ADCINB248ADCINB349ADCINB450ADCINB551ADCINB652ADCINB753ADCREFIN54ADCREFM55ADCREP56ADCRESEXT57VSS2AGND58VSS2A1859VSS60VDD61GPIO18/SPICLKA/SCITXDB/CANRXA62GPIO19/SPISTEA/SCIRXDB/CANTXA63GPIO20/EQEP1A/MDXA/CANTXB64GPIO21/EQEP1B/MDRA/CANRXB65GPIO22/EQEP1S/MFSXA/SCIRXDB66GPIO23/EQEP1I/MFSXA/SCIRXDB67GPIO24/ECAP1/EQEP2A/MDXB68GPIO25/ECAP2/EQEP2B/MDRB69VSS70VDDIO71GPIO26/ECAP3/EQEP2I/MCLKXB72GPIIO27/ECAP4/EQEP2S/MFSXB73GPIO32/SDAA/EPWMSYNCI/ADCSOCAO74GPIO33/SCLA/EPWMSYNCO/ADCSOCBO75TDI76TDO77TRST78TMS79XRS80TEST181TEST282VSS83VSS3VFL84EMU085EMU186TCK87GPIO48/ECAP5/XD3188GPIO49/ECAP6/XD3089GPIO50/EQEP1A/XD2990GPIO51/EQEP1B/XD2891VSS92VDDIO93GPIO52/EQEP1S/XD2794GPIO53/EQEP1I/XD2695GPIO54/SPISIMOA/XD2596GPIO55/SPISOMIA/XD2497GPIO56/SPICLKA/XD2398GPIO57/SPISTEA/XD2299GPIO58/MCLKRA/XD21100VDD101X2102VSS103X1104XCLKIN105VSS106VDDIO107VSS108VDD109GPIO59/MFSRA/XD20110GPIO60/MCLKRB/XD19111GPIO61/MFSRB/XD18112GPIO62/SCIRXDC/XD17113GPIO63/SCITXDC/XD16114GPIO64/XD15115GPIO65/XD14116VDD117VSS118GPIO66/XD13119VSS120VDDIO121GIIO67/XD12122GPIO68/XD11123GPIO69/XD10124VSS125VDD126GPIO70/XD9127GPIO71/XD8128GPIO72/XD7129GPIO73/XD6130GPIO74/XD5131GPIO75/XD4132U2F28335NC1NC21GND31EN41IN51IN6NC7NC82GND92EN102IN112IN12NC13NC14NC15NC162OUT172OUT182SENSE19NC20NC212RESET221OUT231OUT241FB/SENSE25NC26NC271RESET28U1tps301DGNDD1.9VGPIO0D3.3VDGNDDGNDDGNDDGNDDGNDDGNDDGNDDGNDDGNDDGNDDGNDDGNDDGNDDGNDDGNDDGNDDGNDDGNDDGNDDGNDD1.9VD1.9VD1.9VD1.9VD1.9VD1.9VD1.9VD1.9VD1.9VD1.9VD1.9VD1.9VAGNDAGNDAGNDDGNDAGNDA1.9VA1.9VA3.3VA3.3VD3.3VD3.3VD3.3VD3.3VD3.3VD3.3VD3.3VCANTXBCANRXB/TRSTXRDA5VC2624pFC3124pFDGNDL3LD1.9VDGNDAGNDA1.9VL1LD3.3VDGNDA3.3VAGNDTMS/TRSTTDIDGNDDGNDDGNDDGNDEMU0EMU1TCKTDOD5VC90.1uFDGNDD3.3VDGNDD3DGNDD1.9VD3.3VDGNDA1.9VA3.3VDGND3DGND2D5V1J1POWER_5VTMS1TRST2TDI3DGND4DVCC5NC6TDO7DGND8TCK9DGND10TCK11DGND12EMU013EMU114J2JTAGTMS320F28335通信电路原理图18273645VP1VP230CANH1CANL1CANRXBCANTXBDGNDDGNDD3.3VC140.1uFDGND电源及电源指示灯CAN总线JTAG测试灯C460.1uFC20.1uFD2AVcc1AGND2OS 03OS 14OS 25PAR/SER/BYTE SEL6STBY7RANGE8CANVST A9CANVST B10RESET11RD/SCLK12CS13BUSY14FRSTDATA15DB016DB117DB218DB319DB420DB521DB622Vdrive23DB7/DoutA24DB8/DoutB25AGND26DB927DB1028DB1129DB1230DB1331DB14/HBEN32DB15/BYTE SEL33REF SELECT34AGND35REGCAP36AVcc37AVcc38REGCAP39AGND40AGND41REFIN/REFOUT42REFGND43REFCAPA44REFCAPB45RENGND46AGND47AVcc48V149V1GND50V251V2GND52V353V3GND54V455V4GND56V557V5GND58V659V6GND60V761V7GND62V863V8GND64AD7606AD7606AGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDV1V2V3V4V5V6V7V8A5VAGNDAGNDAGNDC251μfAGNDA5VAGNDAGNDD3.3VAGNDA5VC220.1μfAGNDDGNDVdriveVdriveVdriveGPIO34XZCS0XZCS0XRDGPIO52AD输入1X1TDITDOTMSTCKD3.3VDGNDXD0XD1XD2XD3XD4XD5XD6XD7XD8XD9XD10XD11XD12XD13XD14XD15XD0XD1XD2XD3XD4XD5XD6XD7XD8XD9XD10XD11XD12XD13XD14XD15D0D1D2D3D4D5D6D7D0D1D2D3D4D5D6D7触发信号GND12233CAN1GX12-3-WGND12233CAN2GX12-3-WGND12233CAN3GX12-3-WAGNDR110KR210KR3120R730K,1%R418.2K,1%R101KR152K10uFC1210uFC1510uFC23F1D11206保险丝1206TVSGPIO34GPIO52R121KR143KVdriveGPIO53GPIO53D4D5D6D7D8D9D10EMU0EMU1C470.1uFC480.1uFC490.1uFC500.1uFC510.1uFC520.1uFC530.1uFC540.1uFC550.1uFC560.1uFC570.1uFC390.1uFC400.1uFC410.1uFC420.1uFC430.1uFC440.1uFC450.1uFC580.1uFC590.1uFC370.1uFC380.1uFR162KR172KR182KR192KR212KR222KR232KC320.1μfC290.1μfC300.1μfC210.1μf10uFC24C281μfR510KR610KR910K10uFC310uFC410uFC13C10.1uFC100.1uFC110.1uFC160.1uFC60.1uF10uFC8R131KR201KL2LD5VC50.1uFC710uFDGNDDGNDAGNDR80AGNDAGNDA5VDGNDDGNDDGNDDGNDC1710uFC180.1uFC202.2uFC192.2uFR1124.9kL4100uHDGNDD3.3VAGNDSCIRXDCSCITXDC18273645VP2MAX485R25200SCIRXDCGPIO61GPIO61SCITXDCC340.1μfC3310μfC35330pfC36330pfDGNDR240D5VDGNDR26120R27100R28100GND122332GX12-3-WDGND12AD12P12AD22P12AD32PV1V2V3AGND12AN12PDGNDGPIO0132S1kwR2910kAGNDD3.3VD3.3VR3010kR3110kD3.3VDGNDC600.1uFC610.1uF485总线