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tms320f2808,tms320f2806
tms320f2801,ucd9501
DigitalSignalProcessors
SPRS230F–OCTOBER2003–REVISEDSEPTEMBER2005
RevisionHistory
...........................................................................................................................
8
1Features
............................................................................................................................
11
2Introduction
.......................................................................................................................
12
2.1pinassignments............................................................................................................13
2.2signaldescriptions.........................................................................................................16
3FunctionalOverview
...........................................................................................................
22
3.1memorymap................................................................................................................23
3.2briefdescriptions...........................................................................................................27
3.2.1c28xcpu.......................................................................................................27
3.2.2memorybus(harvardbusarchitecture)....................................................................28
3.2.3peripheralbus..................................................................................................28
3.2.4real-timejtagandanalysis................................................................................28
3.2.5flash..............................................................................................................28
3.2.6m0,m1sarams...............................................................................................29
3.2.7l0,l1,h0sarams............................................................................................29
3.2.8bootrom........................................................................................................29
3.2.9security..........................................................................................................30
3.2.10peripheralinterruptexpansion(pie)块..................................................................31
3.2.11externalinterrupts(xint1,xint2,xnmi)...................................................................31
3.2.12oscillatorandpll..............................................................................................31
3.2.13watchdog........................................................................................................31
3.2.14peripheralclocking.............................................................................................31
3.2.15low-powermodes..............................................................................................31
3.2.16peripheralframes0,1,2(pfn)..............................................................................32
3.2.17general-purposeinput/输出(gpio)多路调制器.........................................................32
3.2.1832-bitcpu-计时器(0,1,2)...................................................................................32
3.2.19controlperipherals.............................................................................................32
3.2.20serialportperipherals.........................................................................................33
3.3registermap................................................................................................................33
3.4deviceemulationregisters...............................................................................................36
3.5interrupts....................................................................................................................37
3.5.1externalinterrupts..............................................................................................39
3.6systemcontrol.............................................................................................................40
3.6.1oscandpllblock............................................................................................41
3.6.2watchdogblock.................................................................................................44
3.7low-powermodesblock..................................................................................................45
4Peripherals
........................................................................................................................
46
4.132-bitcpu-timers0/1/2..................................................................................................46
4.2enhancedpwmmodules(epwm1/2/3/4/5/6)..........................................................................48
4.3hi-resolutionpwm(hrpwm)...........................................................................................50
4.4enhancedcapmodules(ecap1/2/3/4)................................................................................51
4.5enhancedqepmodules(eqep1/2).....................................................................................53
4.6enhancedanalog-至-digitalconverter(模数转换器)单元................................................................55
4.7enhancedcontrollerareanetwork(ecan)modules(ecan-aandecan-b).....................................60
4.8serialcommunicationsinterface(sci)modules(sci-一个,sci-b)....................................................65
4.9serialperipheralinterface(spi)modules(spi-一个,spi-b,spi-c,spi-d)...........................................68
4.10inter-integratedcircuit(i
2
c)...............................................................................................72
4.11gpiomux..................................................................................................................74
5DeviceSupport
..................................................................................................................
78
5.1deviceanddevelopmentsupporttoolnomenclature................................................................78
2
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