62
assign SI5340B_RST_n = CPU_RESET_n;
If the outp
ut frequency doesn’t need to be modified, users can just add their own User
Logic and compile it, and then, Si5340 can output desired frequencies. At the same
time, System Builder will set Clock constrain according user’s preset frequency in a
SDC file (as shown in
Figure 5-4
).
Figure 5-4 SDC file created by System Builder
Using Si5340 control IP
Table 5-1
lists the instruction ports of Si5340 Controller IP.
Table 5-1 Si5340 Controller Instruction Ports
Port
Direction
Description
iCLK
input
System Clock (50Mhz)
iRST_n
input
Synchronous Reset (0: Module
Reset, 1: Normal)
iStart
input
Start to Configure
(
positive edge
trigger
)
iPLL_OUTX_FREQ_SEL
input
Setting Si5340 Output Channel
Frequency Value
oPLL_REG_CONFIG_DONE
output
Si5340 Configuration status ( 0:
Содержание TR10a-HL
Страница 1: ...1...
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Страница 71: ...71 Figure 5 14 Si5340A Demo Figure 5 15 Si5340B Demo...
Страница 82: ...82 Figure 6 3 Progress and Result Information for the QDRII Demonstration...
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Страница 111: ...111 Figure 8 5QSFP Transceiver Loopback Test in Progress Figure 8 6QSFP Transceiver Loopback Done...