PM7375-SC datasheet(98/430 Pages) PMC

98 / 430 page

PM7375 LASAR-155

DATA SHEET

PMC-931127

ISSUE 6

LOCAL ATM SAR & PHYSICAL LAYER

PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE

Status [10:0]

The Status field is used by the LASAR-155 to indicate

the status of the received packet. Below are the Status

field bit definitions. When the bit is logic 1, the packet

has experienced the indicated condition.

Status[0] -

cell of packet experienced congestion.

One or more cells of received packet

contained a cell with PTI value 010 or

011.

Status[1] -

cell of packet has, CLP=1.

Status[2] -

CPAAL5_PDU Oversize error. Packet

received exceeds maximum size

programmed in the RALP Max Rx PDU

Length register (0x83).

Status[3] -

Unused.

Status[4] -

CPAAL5_PDU UU field non zero.

Status[5] -

CPAAL5_PDU CPI field non zero.

Status[6] -

CPAAL5_PDU LENGTH field zero.

Status[7] -

CPAAL5_PDU CRC-32 error.

Status[8] -

CPAAL5_SDU length error. Packet

received contains a length field that does

not equal the received length.

Status[9] -

Reserved

Status[10] - Unused.

Note: for multiple RPD packets, only the first RPD's

Status field is valid. All other RPD Status fields of the

linked list are invalid and should be ignored.

RVC[6:0]

The Receive Virtual Connection Code (RVC[6:0]) bits

are used by the LASAR-155 to indicate which VC a RPD

is associated with. The RVC bits are constructed from N

(where N=0,1,2) bits of the Virtual Path Identifier (VPI)

and M (where M=7,6,5) bits of the Virtual Channel

Identifier. Selection of M and N are made using a COPS

Note: for multiple RPD packets, only the first RPD's RVC

field is valid. All other RPD RVC fields of the linked list

are invalid and should be ignored.

PM7375-SC Datasheet(PDF) 98 Page - PMC-Sierra, Inc

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