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PM7367 데이터시트(PDF) 305 Page - PMC-Sierra, Inc

부품명 PM7367
상세설명  FRAME ENGINE AND DATA LINK MANAGER
PDF  323 Pages
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제조업체  PMC [PMC-Sierra, Inc]
홈페이지  http://www.pmc-sierra.com
Logo PMC - PMC-Sierra, Inc

PM7367 데이터시트(HTML) 305 Page - PMC-Sierra, Inc

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PM7367 FREEDM-32P32
DATA SHEET
PMC-1991499
ISSUE 2
FRAME ENGINE AND DATA LINK MANAGER
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMER’S INTERNAL USE
291
Figure 30 – PCI Target Disconnect
PCICLK
FRAMEB
123
45
6
T
STOPB
DEVSELB
The PCI Target Abort Diagram (Figure 31) illustrates the case when the target
wants to abort the current cycle. Note, when the FREEDM-32P32 is the target, it
never aborts the current cycle. A target abort is an indication of a serious error
and no data is transferred.
A target can terminate the current cycle by asserting STOPB and negating
DEVSELB. If the FREEDM-32P32 is the initiator and the target aborts the
current access, the abort condition is reported to the PCI Host.
During clock 1, a cycle is in progress.
During clock 2, the target negates DEVSELB and TRDYB and asserts STOPB to
indicate an abort condition to the initiator.
During clock 3, the initiator negates FRAMEB in response to the abort request.
During clock 4, the target negates STOPB signal in response to the FRAMEB
signal being negated.
Figure 31 – PCI Target Abort
PCICLK
FRAMEB
123
45
6
T
TRDYB
DEVSELB
STOPB



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