( 3.3V )( 3.3V )( 1.8V )97193107121143159170415232961101109117126139146116715115215315615715816116216311651681691721731741750084VDDIO(3V3).1VDDIO(3V3).2VDDIO(3V3).3VDDIO(3V3).4VDDIO(3V3).5VDDIO(3V3).6VDDIO(3V3).7VDDIO(3V3).8VDD(1V8).1VDD(1V8).2VDD(1V8).3VDD(1V8).4VDD(1V8).5VDD(1V8).6VDD(1V8).7VDD(1V8).8VDD(1V8).9VDD(1V8).10VDD(1V8).11VDD(1V8).12VDD(1V8).12VDD3VFL.142414039383736374849505152535655574356710111213161718192021242728626365666768697273747580919495969799100110111112113114ADCINA0ADCINA1ADCINA2ADCINA3ADCINA4ADCINA5ADCINA6ADCINA7ADCINB0ADCINB1ADCINB2ADCINB3ADCINB4ADCINB5ADCINB6ADCINB7ADCREFPADCREFMADCRESEXTADCREFINADCLOGPIO40/XA0/XWE1nGPIO41/XA1GPIO42/XA2GPIO43/XA3GPIO44/XA4GPIO45/XA5GPIO46/XA6GPIO47/XA7GPIO80/XA8GPIO81/XA9GPIO82/XA10GPIO83/XA11GPIO84/XA12GPIO85/XA13GPIO86/XA14GPIO87/XA15GPIO39/XA16GPIO79/XD0GPIO78/XD1GPIO77/XD2GPIO76/XD3GPIO75/XD4GPIO74/XD5GPIO73/XD6GPIO72/XD7136135134133132131130129128127124123122119116115148149137145150142GPIO71/XD8GPIO70/XD9GPIO69/XD10GPIO68/XD11GPIO67/XD12GPIO66/XD13GPIO65/XD14GPIO/XD15GPIO35/SCITXDA/XRnWXRDnGPIO38/XWE0nGPIO36/SCIRXDA/XZCS0nGPIO37/ECAP2/XZCS7nGPIO34/ECAP1/XREADYGPIO0/EPWM1AGPIO1/EPWM1B/ECAP6/MFSRBGPIO2/EPWM2AGPIO3/EPWM2B/ECAP5/MCLKRBGPIO4/EPWM3AGPIO5/EPWM3B/MFSRA/ECAP1GPIO6/EPWM4A/EPWMSYNCI/EPWMSYNCOGPIO7/EPWM4B/MCLKRA/ECAP2GPIO8/EPWM5A/CANTXB/ADCSOCAOnGPIO9/EPWM5B/SCITXDB/ECAP3GPIO10/EPWM6A/CANRXB/ADCSOCBOnGPIO11/EPWM6B/SCIRXDB/ECAP4GPIO12/TZ1n/CANTXB/MDXBGPIO13/TZ2n/CANRXB/MDRBGPIO16/SPISIMOA/CANTXB/TZ5nGPIO17/SPISOMIA/CANRXB/TZ6nGPIO18/SPICLKA/SCITXDB/CANRXAGPIO19/SPISTEAn/SCIRXDB/CANTXAGPIO20/EQEP1A/MDXA/CANTXBGPIO21/EQEP1B/MDRA/CANRXBGPIO22/EQEP1S/MCLKXA/SCITXDBGPIO23/EQEP1I/MFSXA/SCIRXDBGPIO24/ECAP1/EQEP2A/MDXBGPIO25/ECAP2/EQEP2B/MDRBGPIO26/ECAP3/EQEP2I/MCLKXBGPIO27/ECAP4/EQEP2S/MFSXBGPIO32/SDAA/EPWMSYNCI/ADCSOCAOnGPIO33/SCLA/EPWMSYNCO/ADCSOCBOnGPIO48/ECAP5/XD31GPIO49/ECAP6/XD30GPIO50/EQEP1A/XD29GPIO51/EQEP1B/XD28GPIO52/EQEP1S/XD27GPIO53/EQEP1I/XD26GPIO/SPISIMOA/XD25GPIO55/SPISOMIA/XD24GPIO56/SPICLKA/XD23GPIO57/SPISTEAn/XD22GPIO58/MCLKRA/XD21GPIO59/MFSRA/XD20GPIO60/MCLKRB/XD19GPIO61/MFSRB/XD18GPIO62/SCIRXDC/XD17GPIO63/SCITXDC/XD16VDD1A18VDD2A18VSS1AGNDVSS2AGND31593258TMS320F28335 - 176 QFPGPIO28/SCIRXDA/XZCS6nGPIO29/SCITXDA/XA19GPIO31/CANTXA/XA17GPIO30/CANRXA/XA1814121761GPIO14/TZ3n/XHOLDn/SCITXDB/MCLKXBGPIO15/TZ4n/XHOLDAn/SCIRXDB/MFSXB2526XCLKOUTXRSn1388078877976778586VDDAIO(A3V3)VSSAIO(AGND)VDDA2(A3V3)VSSA2(AGND)(NC) TEST2(NC) TEST1X1X2XCLKINVSS.1VSS.2VSS.3VSS.4VSS.5VSS.6VSS.7VSS.8VSS.9VSS.10VSS.11VSS.12VSS.13VSS.14VSS.15VSS.16VSS.17VSS.18VSS.19VSS.19VSS.20VSS.21TRSTnTCKTMSTDITDOEMU0EMU134334438142230607083921031061081181201251401441471551601661718281( 1.8V )( 1.8V )105104102( 3.3V )( 3.3V )LOCATE NEAR DSP( 1.8V )( 3.3V )Tie in one point on the Ground plane 12012INGNDOUT3AB12AB121AB2Decoupling caps in this page are for the DSP supply rails. They should be placed as close as possible to the supply pins.12348765Boot-mode selection DIP switch. Refer to the device data-sheet for boot-mode options.12OEGNDVDDOUT4321External clock inputDiagnostic L.E.D1234A0A1NC1VSSVCCWPSCLSDA8763VDDECOVDAXCLRNCGNDSCLSDA2867517101112ESCLVLOGICAD0REGOUTFSYNCINT123456SDASCLCLKOUTRES6GPOUTRES7242322212019CLKINRES1VDD1RES2RES3ESDAGND1GND2RES4GND3RES5VDD2181716151413162413536911VDDS1VDDIONC1NC2NC3GND1GND2SCLSDANC4NC5DRDYSETPSETCC11161471581210VddioVsGND1GND2GND3452311SCL_SCLKSDA_SDI14131279810SDO_ADDRCSINT2RESERVED1INT1RESERVED2NC11108763219nCDWPDAT1DAT0GND1CLKVDDGND2CMDCD/DAT3DAT2PAD2PAD113121611315101112VDDVDD_IOGNDRESRES1RES2RES3RES4RES5CSSDOINTINT2PLLSDASCL761432Analog expansionASRAM2113579111313579111324681012142468101214121212JTAG211VPVNCH1321112345671AVCC1B4A1Y4B2A4Y2B3A2Y3BGNG3Y141312111098222Reset circuitryLocate all components of the reset circuitry close tothe DSP XRSn pin for best EMI/ESD noise immunity.11561INA1INB1EN1GND2INA2INB2EN2GNDTHERMAL_PADNC1NC2NC3NC4NC5NC61RESET1OUTA1OUTB1FB/SENSE282324232211122RESET2OUTA2OUTB2SENSE22171819109127813141NC12NC11NC10NC9NC8NC7151620212627CENTERSHUNTSLEEVE31INOUT1GNDOUT22429OLED 3.3V 10mA5883 3.3V 1mAADXL345 3.3V 2mABMP045 3.3V 1mAL3G4200D 3.3V 7mASDCar 3.3V mA74LCX245 3.3V 150mASN65HVD235 3.3V 20mA *2SN74AHC1G14 3.3V 50mA *324WC256 3.3V 2mA IS61LV25616 3.3V 300mA 28335 3.3V 100mA 28335 1.9V 350mA
