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PMC-Sierra, Inc.
PM5349 S/UNI-QUAD
DATASHEET
PMC-971239 ISSUE 6 SATURN USER NETWORK INTERFACE (155-QUAD)
Proprietary and Confidential to PMC-Sierra, Inc., and for its Customers’ Internal Use
86
Register 0x15: TSOP Diagnostic
Bit Type Function Default
Bit 7 Unused X
Bit 6 Unused X
Bit 5 Unused X
Bit 4 Unused X
Bit 3 Unused X
Bit 2 R/W DLOS 0
Bit 1 R/W DBIP8 0
Bit 0 R/W DFP 0
DFP:
The DFP bit controls the insertion of a single bit error continuously in the most
significant bit (bit 1) of the A1 section overhead framing byte. When DFP is
set to logic one, the A1 bytes are set to 0x76 instead of 0xF6.
DBIP8:
The DBIP8 bit controls the insertion of bit errors continuously in the section
BIP-8 byte (B1). When DBIP8 is set to logic one, the B1 byte is inverted.
DLOS:
The DLOS bit controls the insertion of all zeros in the transmit stream. When
DLOS is set to logic one, the transmit stream is forced to 0x00.