参数资料
型号: PM7351-BI
厂商: PMC-SIERRA INC
元件分类: 数字传输电路
英文描述: OCTAL SERIAL LINK MULTIPLEXER
中文描述: ATM/SONET/SDH SUPPORT CIRCUIT, PBGA304
封装: 31 X 31 MM, 1.51 MM HEIGHT, 1.27 MM PITCH, SBGA-304
文件页数: 98/174页
文件大小: 1790K
代理商: PM7351-BI
RELEASED
PM7351 S/UNI-VORTEX
DATA SHEET
PMC-1980582
ISSUE 5
OCTAL SERIAL LINK MULTIPLEXER
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
88
Registers 0x081, 0x0A1, 0x0C1, 0x0E1, 0x101, 0x121, 0x141, 0x161:
Receive High-Speed Serial Cell Filtering Configuration/Status
Bit
Type
Function
Default
Bit 7
R/W
Unused
X
Bit 6
R/W
HCSPASS
0
Bit 5
R/W
Reserved
0
Bit 4
R
OCDV
X
Bit 3
Unused
X
Bit 2
R
ACTV
X
Bit 1
R
LCDV
X
Bit 0
R
LOSV
X
These registers provide the status of each individual RXDn+/- serial link.
LOSV:
The LOSV gives the Loss of Signal state. LOSV becomes logic 1 upon 2048
bit periods (13.2
μ
s at 155.52 Mb/s) without a signal transition in the
scrambled data. LOSV becomes logic 0 when a signal transition has
occurred in each of 16 consecutive intervals of 16 bit periods each.
LCDV:
The LCDV bit gives the Loss of Cell Delineation state. When LCDV is logic 1,
an out of cell delineation (OCD) defect has persisted for 1318 cells. LCDV
becomes logic 0 when cell delineation has been maintained for 1318 cells.
ACTV:
The ACTV bit provides the debounced state of the ACTIVE bit in the cell
prepend. ACTV reflects the state of the ACTIVE bit when it has been the
same for three consecutive valid cells.
OCDV:
The OCDV bit indicates the cell delineation state. When OCDV is logic 1, the
cell delineation state machine is in the 'HUNT' or 'PRESYNC' states and is
hunting for the cell boundaries. When OCDV is logic 0, the cell delineation
state machine is in the 'SYNC' state and cells are passed through the receive
FIFO.
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