PM7367 datasheet(118/323 Pages) PMC

118 / 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

104

TP1EN:

The transmit packet enable bit (TP1EN) enables counting of transmit

error-free packets. When TP1EN is set high, transmission of an error-free

packet will cause the PMON Configurable Accumulator #1 register to

increment. Transmit error-free packets are ignored when TP1EN is set low.

RSPE2EN:

The receive small packet error accumulate enable bit (RSPE2EN) enables

counting of minimum packet size violation events. When RSPE2EN 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 #2 register to increment. Small packet errors are ignored when

RSPE2EN is set low.

RFCSE2EN:

The receive frame check sequence error accumulate enable bit (RFCSE2EN)

enables counting of receive FCS error events. When RFCSE2EN is set high,

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

will cause the PMON Configurable Accumulator #2 register to increment.

Receive frame check sequence errors are ignored when RFCSE2EN is set

low.

RABRT2EN:

The receive abort accumulate enable bit (RABRT2EN) enables counting of

receive HDLC abort events. When RABRT2EN is set high, receipt of an

abort code (at least 7 contiguous 2's) will cause the PMON Configurable

Accumulator #2 register to increment. Receive aborts are ignored when

RABRT2EN is set low.

RLENE2EN:

The receive packet length error accumulate enable bit (RLENE2EN) enables

counting of receive packet length error events. When RLENE2EN 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 #2 register to increment. Receive packet length errors are

ignored when RLENE2EN is set low.

RP2EN:

The receive packet enable bit (RP2EN) enables counting of receive error-free

packets. When RP2EN is set high, receipt of an error-free packet will cause

the PMON Configurable Accumulator #2 register to increment. Receive error-

free packets are ignored when RP2EN is set low.

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