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HCS
HAS
HR/W
HHWIL
HSTROBE
(A)
HD[15:0]
HRDY
(B)
2
3
1
37
9
10
14
2
38
12
11
12
11
12
11
13
7
6
1
3
13
37
9
10
36
HCNTL[1:0]
12
11
12
11
12
11
SM320C6455-EP
FIXED-POINTDIGITALSIGNALPROCESSOR
SPRS462B–SEPTEMBER2007–REVISEDJANUARY2008
A.HSTROBEreferstothefollowinglogicaloperationonHCS,HDS1,andHDS2:[NOT(HDS1XORHDS2)]ORHCS.
B.Dependingonthetypeofwriteorreadoperation(HPIDwithoutauto-incrementing;HPIA,HPIC,orHPIDwith
auto-incrementing)andthestateoftheFIFO,transitionsonHRDYmayormaynotoccur.Formoredetailed
informationontheHPIperipheral,seetheTMS320C645xDSPHostPortInterface(HPI)User'sGuide(literature
numberSPRU969).
Figure7-45.HPI16ReadTiming(HASUsed)
SubmitDocumentationFeedbackC64x+PeripheralInformationandElectricalSpecifications183