Texas Instruments TMS320DM646x Computer Hardware User Manual


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6.1Introduction
armclock
armmodulereset
armpower
AINTC
ARM
dspclock
dspmodulereset
dsplocalreset
DSP
dsppower
peripheralclock
peripheralmodulereset
MODx
peripheralpower
Alwayson
domain
Interrupt
PSC
PLLC
clks
VDD
RESET
Emulation
Introduction
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IntheTMS320DM646xDMSoCsystem,thePowerandSleepController(PSC)isresponsiblefor
managingtransitionsofclockon/offandreset.AblockdiagramofthePSCisshowninFigure6-1.Many
ofthePSCoperationsaretransparenttosoftware,suchashardresetoperations.However,thePSC
providesyouwithaninterfacetocontrolseveralimportantclockandresetoperations.Theclockandreset
operationsaredescribedinthischapter.
ThePSCincludesthefollowingfeatures:
•Manageschipresets
•Providesasoftwareinterfaceto:
–ControlmoduleclockON/OFF
–Controlmoduleresets
–ControlDSPlocalreset(CPUreset)
•SupportsIcePickemulationfeatures:power,clock,andreset
Figure6-1.TMS320DM646xDMSoCPowerandSleepController(PSC)
62PowerandSleepController(PSC)SPRUEP9A–May2008
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