26
SP605 Hardware User Guide
UG526 (v1.9) February 14, 2019
Chapter 1:
SP605 Evaluation Board
as shown in
. When the VITA 57.1 FMC LPC expansion connector is populated
with an expansion module that has a JTAG chain, jumper J19 must be set to connect pins
2-3 in order to include the FMC expansion module's JTAG chain in the main SP605 JTAG
chain.
The JTAG chain can be used to program the FPGA and access the FPGA for hardware and
software debug.
The JTAG connector (USB Mini-B J4) allows a host computer to download bitstreams to the
FPGA using the Xilinx iMPACT software tool. In addition, the JTAG connector allows
debug tools such as the ChipScope® Pro Analyzer tool or a software debugger to access the
FPGA. The iMPACT software tool can also program the BPI flash via the USB J4
connection. iMPACT can download a temporary design to the FPGA through the JTAG.
This provides a connection within the FPGA from the FPGAs JTAG port to the FPGAs BPI
interface. Through the connection made by the temporary design in the FPGA, iMPACT
can indirectly program the BPI flash from the JTAG USB J4 connector. For an overview on
configuring the FPGA, see
.
7. Clock Generation
There are three clock sources available on the SP605.
Oscillator (Differential)
The SP605 has one 2.5V LVDS differential 200 MHz oscillator (U6) soldered onto the board
and wired to an FPGA global clock input.
•
Crystal oscillator: SiTime SiT9102AI-243N25E200.00000
•
Frequency stability: 50 ppm
See the SiTime
SiT9102 Data Sheet
for more information. Search SiT9102 at
X-Ref Target - Figure 1-7
Figure 1-7:
VITA 57.1 FMC LPC (J2) JTAG Bypass Jumper J19
UG526_07_092409
J19
1
FMC_TDI_BUF
Byp
ass
FMC LPC J2 = J
u
mper 1-2
Incl
u
de FMC LPC J2 = J
u
mper 2-3
H - 1x3
2
S
Y
S
ACE_TDI
3
FMC_TD0
Содержание SP605
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Страница 66: ...66 www xilinx com SP605 Hardware User Guide UG526 v1 9 February 14 2019 Appendix C Xilinx Design Constraints...
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