PM7367 datasheet(4/323 Pages) PMC

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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

iii

8.4.5

FREE QUEUE CACHE ..................................................46

8.5

PCI CONTROLLER......................................................................47

8.5.1

MASTER MACHINE ......................................................48

8.5.2

MASTER LOCAL BUS INTERFACE..............................50

8.5.3

TARGET MACHINE .......................................................51

8.5.4

CBI BUS INTERFACE ...................................................53

8.5.5

ERROR / BUS CONTROL .............................................53

8.6

TRANSMIT DMA CONTROLLER.................................................53

8.6.1

DATA STRUCTURES ....................................................54

8.6.2

TASK PRIORITIES ........................................................66

8.6.3

DMA TRANSACTION CONTROLLER...........................66

8.6.4

READ DATA PIPELINE..................................................66

8.6.5

DESCRIPTOR INFORMATION CACHE ........................66

8.6.6

FREE QUEUE CACHE ..................................................66

8.7

TRANSMIT HDLC CONTROLLER / PARTIAL PACKET BUFFER67

8.7.1

TRANSMIT HDLC PROCESSOR..................................67

8.7.2

TRANSMIT PARTIAL PACKET BUFFER PROCESSOR68

8.8

TRANSMIT CHANNEL ASSIGNER .............................................70

8.8.1

LINE INTERFACE..........................................................71

8.8.2

PRIORITY ENCODER ...................................................71

8.8.3

CHANNEL ASSIGNER ..................................................72

8.9

PERFORMANCE MONITOR .......................................................72

8.10 JTAG TEST ACCESS PORT INTERFACE...................................72

8.11 PCI HOST INTERFACE ...............................................................72

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