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tms320f2808,tms320f2806
tms320f2801,ucd9501
DigitalSignalProcessors
SPRS230F–OCTOBER2003–REVISEDSEPTEMBER2005
ListofFigures
2-1tms320f2808100-pinpzlqfp(topview).................................................................................13
2-2tms320f2806100-pinpzlqfp(topview).................................................................................14
2-3tms320f2801/ucd9501100-pinpzlqfp(topview)....................................................................15
2-4tms320f280x100-ballggmandzgmmicrostar™bga(bottomview)...............................................16
3-1functionalblockdiagram........................................................................................................22
3-2f2808memorymap..............................................................................................................23
3-3f2806memorymap..............................................................................................................24
3-4f2801/9501memorymap........................................................................................................25
3-5externalandpieinterruptsources.............................................................................................37
3-6multiplexingofinterruptsusingthepieblock................................................................................38
3-7clockandresetdomains.......................................................................................................40
3-8oscandpllblockdiagram...................................................................................................41
3-9usinga3.3-vexternaloscillator...............................................................................................42
3-10usinga1.8-vexternaloscillator...............................................................................................42
3-11usingtheinternaloscillator.....................................................................................................42
3-12watchdogmodule.................................................................................................................44
4-1cpu-计时器........................................................................................................................46
4-2cpu-timerinterruptsignalsandoutputsignal..............................................................................47
4-3multiplepwmmodulesina280xsystem.....................................................................................48
4-4epwmsub-modulesshowingcriticalinternalsignalinterconects........................................................50
4-5ecapfunctionalblockdiagram................................................................................................51
4-6eqepfunctionalblockdiagram................................................................................................53
4-7blockdiagramoftheadcmodule.............................................................................................56
4-8adcpinconnectionswithinternalreference...............................................................................57
4-9adcpinconnectionswithexternalreference..............................................................................58
4-10ecanblockdiagramandinterfacecircuit....................................................................................61
4-11ecan-amemorymap............................................................................................................62
4-12ecan-bmemorymap............................................................................................................63
4-13serialcommunicationsinterface(sci)moduleblockdiagram............................................................67
4-14spimoduleblockdiagram(slavemode).....................................................................................71
4-15i
2
CPeripheralModuleInterfaces...............................................................................................73
4-16gpiomuxblockdiagram.......................................................................................................74
4-17qualificationusingsamplingwindow..........................................................................................77
5-1exampleoftms320x280xdevicenomenclature............................................................................79
5-2exampleofucddevicenomenclature........................................................................................79
6-1typicaloperationalcurrentversusfrequency(f2808)....................................................................86
6-2typicaloperationalpowerversusfrequency(f2808)......................................................................87
6-33.3-vtestloadcircuit...........................................................................................................88
6-4clocktiming.......................................................................................................................90
4
ListofFigures