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PRODUCT PREVIEW
HCS
HAS
HCNTL[1:0]
HR/W
HHWIL
HSTROBE
(A)
HD[15:0]
HRDY
(B)
34
5
17
18
17
18
34
5
4
38
37
13
16
15
14
13
16
15
37
35
TMS320C6454
Fixed-PointDigitalSignalProcessor
SPRS311A–APRIL2006–REVISEDDECEMBER2006
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).
Figure7-46.HPI16WriteTiming(HASNotUsed,TiedHigh)
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