参数资料
型号: M-ORSO82G51BM680-DB
厂商: LATTICE SEMICONDUCTOR CORP
元件分类: FPGA
英文描述: FPGA, 1296 CLBS, 333000 GATES, PBGA680
封装: PLASTIC, FBGA-680
文件页数: 64/123页
文件大小: 2207K
代理商: M-ORSO82G51BM680-DB
Lattice Semiconductor
ORCA ORSO82G5 Data Sheet
45
Alignment Mode Setup Procedures
The control register bits for alignment FIFO in ORSO82G5 are described below.
Table 6. Multichannel Alignment Modes
Note: Where xx is one of A[A:D] and B[A:D].
To align all eight channels:
FMPU_SYNMODE_A[A:D] = 11
FMPU_SYNMODE_B[A:D] = 11
To align twin channels in SERDES A:
FMPU_SYNMODE_A[A:D] = 01
To align four channels in SERDES A:
FMPU_SYNMODE_AB = 10
FMPU_SYNMODE_AD = 10
Similar alignment can be dened for SERDES B. To enable/disable synchronization signal of individual channel
within a multi-channel alignment group:
FMPU_STR_EN_xx = 1 enabled
FMPU_STR_EN_xx = 0 disabled
where xx is one of A[A:D] and B[A:D].
To re-synchronize a multi-channel alignment group
Set the following bit to zero, and then set it to 1 since it is a rising edge sensitive bit.
FMPU_RESYNC8 for eight channel A[A:D] and B[A:D]
FMPU_RESYNC4A for quad channel A[A:D]
FMPU_RESYNC2A1 for twin channel A[A:B]
FMPU_RESYNC2A2 for twin channel A[C:D]
FMPU_RESYNC4B for quad channel B[A:D]
Re-synchronization will cause the multi-channel alignment group to perform a new synchronization procedure. This
would need to occur if a link is removed from an alignment group and then paced back into service as part of the
alignment group. This is not required at power up if the alignment mode is set before the channels receive the rst
frame pulse.
Register Bits
FMPU_SYNMODE_xx
Mode
00
No multichannel alignment. (default)
01
Twin channel alignment.
10
Quad channel alignment.
11
Eight channel alignment.
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