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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
142
Register 0x65: RXCP LCD Count Threshold (MSB)
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 LCDC[10] 0
Bit 1 R/W LCDC[9] 0
Bit 0 R/W LCDC[8] 1
Register 0x66: RXCP LCD Count Threshold (LSB)
Bit Type Function Default
Bit 7 R/W LCDC[7] 0
Bit 6 R/W LCDC[6] 1
Bit 5 R/W LCDC[5] 1
Bit 4 R/W LCDC[4] 0
Bit 3 R/W LCDC[3] 1
Bit 2 R/W LCDC[2] 0
Bit 1 R/W LCDC[1] 0
Bit 0 R/W LCDC[0] 0
LCDC[10:0]:
The LCDC[10:0] bits represent the number of consecutive cell periods the
receive cell processor must be out of cell delineation before loss of cell
delineation (LCD) is declared. Likewise, LCD is not de-asserted until receive
cell processor is in cell delineation for the number of cell periods specified by
LCDC[10:0].
The default value of LCD[10:0] is 360, which translates to an average cell
period of 2.83 µs and a default LCD integration period of 1.02 ms.