PM7366-PI datasheet(110/286 Pages) PMC

110 / 286 page

RELEASED

PM7366 FREEDM-8

DATA SHEET

PMC-1970930

ISSUE 4

FRAME ENGINE AND DATA LINK MANAGER

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

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.

TABRT2EN:

The transmit abort accumulate enable bit (TABRT2EN) enables counting of transmit HDLC

abort events. When TABRT2EN is set high, insertion of an abort in the outgoing stream will

cause the PMON Configurable Accumulator #2 register to increment. Transmit aborts are

ignored when TABRT2EN is set low.

TP2EN:

The transmit packet enable bit (TP2EN) enables counting of transmit error-free packets.

When TP2EN is set high, transmission of an error-free packet will cause the PMON

Configurable Accumulator #2 register to increment. Transmit error-free packets are ignored

when TP2EN is set low.

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