參數(shù)資料
型號: PM5372-BI
英文描述: Telecommunication IC
中文描述: 通信集成電路
文件頁數(shù): 115/169頁
文件大?。?/td> 989K
代理商: PM5372-BI
TSE Transmission Switch Element Datasheet
Released
Proprietary and Confidential to PMC-Sierra, Inc., and for its Customers’ Internal Use
Document ID: PMC-1991258, Issue 7
115
Register 0NB0H, 0NB8H, 0NC0H, 0NC8H: Port Set #1 - #16, T8DE #1 - #4 Control and Status
Bit
Type
Function
Default
Bit 15
Unused
X
Bit 14
Unused
X
Bit 13
Unused
X
Bit 12
Unused
X
Bit 11
Unused
X
Bit 10
Unused
X
Bit 9
Unused
X
Bit 8
Unused
X
Bit 7
Unused
X
Bit 6
Unused
X
Bit 5
R/W
J0INS
0
Bit 4
R/W
FIFOERRE
0
Bit 3
R/W
TPINS
0
Bit 2
R/W
Reserved
0
Bit 1
W
CENTER
1
Bit 0
R/W
DLCV
0
These registers provide control and report the status of T8DE blocks #1 through #64.
DLCV
The diagnose line code violation bit (DLCV) controls the insertion of line code violations in
the outgoing data stream. When DLCV is logic 1, the encoded data is continuously inverted
and will result in a varying number of line code violations at the receiver depending on its
configuration. An immediate line code violation is generated since an incorrect disparity
character is transmitted. As long as DLCV is set, further line code violations will be
transmitted following the transmission of an TelecomBus control character. Note that
TelecomBus control characters are not affected by the DLCV bit but are passed unaltered.
This results in a continuous stream of disparity errors in a receiving R8FA while DLCV is
high. Note that this stream of disparity errors will eventually saturate the LCV[15:0] counters
in the receiving device. When DLCV is logic 0, no code inversion is performed.
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