参数资料
型号: ORLI10G1BM680-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: 32/78页
文件大小: 1689K
代理商: ORLI10G1BM680-DB
Lattice Semiconductor
ORCA ORLI10G Data Sheet
38
Recommended Board Level Routing For ORLI10G XSBI 10G Interface
The Transmit XSBI port sends clock and data simultaneously as shown in Figure 21.
Figure 21. Clock and Data signals from the TX
The correct clock and data relation required for the XSBI receiver is to have the clock centered in the data eye (as
shown in Figure 22).
Figure 22. Clock and Data Signals at the Receiver
In order to achieve the needed clock and data relationship at the receiver as shown in Figure 21, it is necessary to
swap the P and N clock terminals on the board. This is illustrated in Figure 23. The board level signal swap on the
receiver clock pins effectively inverts the clock phase at the receiving chip creating the correct clock data relation-
ship shown in Figure 22.
N
P
CLOCK
N
P
DATA
t
period
1500pS
=
t
prop
300pS
±
=
N
P
CLOCK
N
DATA
P
t
setup
300pS
=t
hold
300pS
=
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