PM7367 datasheet(56/323 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

Figure 6 – RPDRF and RPDRR Queues

RPDR

Status + RPDR

RQB[31:2] = Rx Queue Base register

RPDRRQS[15:0]

= RPDR Ready Queue Start register

RPDRRQW[15:0] = RPDR Ready Queue Write register

RPDRRQR[15:0] = RPDR Ready Queue Read register

RPDRRQE[15:0]

= RPDR Ready Queue End register

Receive Packet Descriptor (RPD) Reference Queues

Base Address:

Index Registers:

Ready Queue:

RPDRSFQS[15:0] = RPDR Small Free Queue Start register

RPDRSFQW[15:0] = RPDR Small Free Queue Write register

RPDRSFQR[15:0] = RPDR Small Free Queue Read register

RPDRSFQE[15:0] = RPDR Small Free Queue End register

Large Buffer Free Queue:

Small Buffer Free Queue:

RPDRLFQS[15:0] = RPDR Large Free Queue Start register

RPDRLFQW[15:0] = RPDR Large Free Queue Write register

RPDRLFQR[15:0] = RPDR Large Free Queue Read register

RPDRLFQE[15:0] = RPDR Large Free Queue End register

Base Address

+ Index Register

-------------------------

Host Address

RQB[31:2]

Index[15:0]

AD[31:0]

Rx Packet Descriptor Reference Queue Memory

RQB

Bit 0

Bit 31

Valid RPDR

256KB

RPD Reference Queues

Host Memory

RPDRRQS

RPDRRQW

RPDRRQR

RPDRRQE

RPDRLFQS

RPDRLFQW

RPDRLFQR

RPDRLFQE

RPDRSFQS

RPDRSFQW

RPDRSFQR

RPDRSFQE

PM7367 数据表(PDF) 56 Page - PMC-Sierra, Inc

PM7367 数据表(HTML) 56 Page - PMC-Sierra, Inc

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