参数资料
型号: ORSO42G5-2BMN484I
厂商: Lattice Semiconductor Corporation
文件页数: 141/153页
文件大小: 0K
描述: IC TRANCEIVERS FPSC 680FPGAM
产品变化通告: Product Discontinuation 01/Aug/2011
标准包装: 60
系列: *
Lattice Semiconductor
ORCA ORSO42G5 and ORSO82G5 Data Sheet
88
Table 28. Common Control Register Descriptions – ORSO42G5
(0x)
Absolute
Address
Bit
Name
Reset
Value
(0x)
Description
Mode
30A00
[0:1]
RCKSELB
00
“10” - Channel BC source for clock RCK78B
“11” - Channel BD source for clock RCK78B
Both
[2:3]
TCKSELB
“10” - Channel BC source for clock TCK78B
“11” - Channel BD source for clock TCK78B
Both
[4:5]
RCKSELA
“10” - Channel AC source for clock RCK78A
“11” - Channel AD source for clock RCK78A
Both
[6:7]
TCKSELA
“10” - Channel AC source for clock TCK78A
“11” - Channel AD source for clock TCK78A
Both
30A01
[0:2]
CELL_SIZE
00
Cell Size, Three bits to set cell size.
“000” - Cell size is 75 bytes,
“001” - Cell size is 79 bytes,
“010” - Cell size is 83 bytes,
“011” - Cell size is 91 bytes
These are the only supported cell sizes.
Cell
[3:7]
RX_FIFO_MIN
Set Minimum threshold value for alignment
FIFO in SONET mode. When the read address
for the FIFO is below this value at the time when
write address is zero, it indicates that the FIFO
is near overow. This event will go high only
once during a frame when a framing byte has
been detected by the aligner. The default
threshold value is “00000”.
SONET
30A02
0
TX_DISABLE_ON_RDI
00
Transmitter Disable on RDI (Detection), If
TX_DISABLE_ON_RDI = 1 - No cell data is
transmitted on a link in which a RDI has been
detected by the corresponding link’s receiver. If
this bit is set to 0, cell data will be transmitted on
a link irrespective of detection of a RDI.
Cell
[1:7]
RSVD
Reserved
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