PM7367 datasheet(117/323 Pages) PMC

117 / 323 page

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

103

RSPE1EN:

The receive small packet error accumulate enable bit (RSPE1EN) enables

counting of minimum packet size violation events. When RSPE1EN is set

high, receipt of a packet that is shorter than 32 bits (CRC-CCITT, Unspecified

CRC or no CRC) or 48 bits (CRC-32) will cause the PMON Configurable

Accumulator #1 register to increment. Small packet errors are ignored when

RSPE1EN is set low.

RFCSE1EN:

The receive frame check sequence error accumulate enable bit (RFCSE1EN)

enables counting of receive FCS error events. When RFCSE1EN is set high,

a mismatch between the received FCS code and the computed CRC residue

will cause the PMON Configurable Accumulator #1 register to increment.

Receive frame check sequence errors are ignored when RFCSE1EN is set

low.

RABRT1EN:

The receive abort accumulate enable bit (RABRT1EN) enables counting of

receive HDLC abort events. When RABRT1EN is set high, receipt of an

abort code (at least 7 contiguous 1's) will cause the PMON Configurable

Accumulator #1 register to increment. Receive aborts are ignored when

RABRT1EN is set low.

RLENE1EN:

The receive packet length error accumulate enable bit (RLENE1EN) enables

counting of receive packet length error events. When RLENE1EN is set high,

receipt of a packet that is longer than the programmable maximum or of a

packet that in not octet aligned will cause the PMON Configurable

Accumulator #1 register to increment. Receive packet length errors are

ignored when RLENE1EN is set low.

RP1EN:

The receive packet enable bit (RP1EN) enables counting of receive error-free

packets. When RP1EN is set high, receipt of an error-free packet will cause

the PMON Configurable Accumulator #1 register to increment. Receive error-

free packets are ignored when RP1EN is set low.

TABRT1EN:

The transmit abort accumulate enable bit (TABRT1EN) enables counting of

transmit HDLC abort events. When TABRT1EN is set high, insertion of an

abort in the outgoing stream will cause the PMON Configurable Accumulator

#1 register to increment. Transmit aborts are ignored when TABRT1EN is set

low.

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