参数资料
型号: ORSO42G5-EV
厂商: Lattice Semiconductor Corporation
文件页数: 95/153页
文件大小: 0K
描述: BOARD EVAL DEV PLATFORM ORSO42G5
标准包装: 1
系列: ORCA® 4 系列
类型: FPGA
适用于相关产品: ORSO42G5
所含物品: 板,线缆,电源
其它名称: ORSO42G5EV
Lattice Semiconductor
ORCA ORSO42G5 and ORSO82G5 Data Sheet
46
Figure 33 shows the SONET quad alignment mode in the ORSO82G5.
Figure 33. Receive Clocking Diagram for SONET Mode Quad Alignment – ORSO82G5
Only frame pulse (DOUTxx_FP) and clocks are shown for understanding of block alignment.
Timing of data and SPE indicators are the same as shown for twin alignment.
Block groups are Group A - AA,AB,AC,AD and Group B - BA,BB,BC,BD
Figure 34 shows the octal alignment mode in the ORSO82G5.
Figure 34. Receive SONET Mode—Octal Alignment Mode – ORSO82G5
RSYSCLK[A1,A2]
DOUTAA_FP
...
1 cycle
36 cycles TOH
1044 cycles SPE
36 cycles TOH
Start of Frame
125 μs
Clocks
RSYSCLKA1 and RSYSCLKA2 are sourced by RCK78A
36 cycles TOH
Start of Frame
DOUTAB_FP
DOUTAC_FP
DOUTAD_FP
RSYSCLK[A1,A2]
DOUTAA_FP
...
1 cycle
36 cycles TOH
1044 cycles SPE
36 cycles TOH
Start of Frame
125 μs
Clocks
RSYSCLKA1, RSYSCLKA2, RSYSCLKB1, and RSYSYSCLKB2
are sourced by RCK78A
36 cycles TOH
Start of Frame
DOUTAB_FP
DOUTAC_FP
DOUTAD_FP
RSYSCLK[B1,B2]
DOUTBA_FP
DOUTBB_FP
DOUTBC_FP
DOUTBD_FP
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