PM5380-BI PMC-Sierra, Inc., PM5380-BI Datasheet - Page 221
PM5380-BI
Manufacturer Part Number
PM5380-BI
Description
Network Interface, SATURN User Network Interface (8x155) Telecom Standard Product
Manufacturer
PMC-Sierra, Inc.
Datasheet
1.PM5380-BI.pdf
(440 pages)
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Proprietary and Confidential to PMC-Sierra, Inc., and for its customers’ internal use.
Document No.: PMC- 2010299, Issue 2
Register 0x062, 0x162, 0x262, 0x362, 0x462, 0x562, 0x662, 0x762:
FIFORST:
Reserved:
RXCP FIFO/UTOPIA Control and Configuration
The FIFORST bit is used to reset the channel four-cell receive buffer. When FIFORST is
set low, the channel buffer operates normally. When FIFORST is set high, the buffer is
immediately emptied and ignores writes. The buffer remains empty and continues to ignore
writes until a logic zero is written to FIFORST.
FIFORST must be set high before the per-channel FIFO reset in the RUL3 is asserted.
FIFORST must be set low after the per-channel FIFO reset in the RUL3 asserted.
All reserved bits must be programmed to ‘0’ to ensure correct operation of the device.
Bit
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Type
R/W
R/W
R/W
R/W
Function
Reserved
Unused
Reserved
Reserved
Unused
Unused
Unused
FIFORST
S/UNI®-8x155 ASSP Telecom Standard Product Data Sheet
Default
0
X
0
1
X
X
X
0
Released
221
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