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DS083 Datasheet, PDF (109/430 Pages) Xilinx, Inc – Summary of Features
R
Virtex-II Pro and Virtex-II Pro X Platform FPGAs: DC and Switching Characteristics
Master/Slave Serial Mode Parameters
Clock timing for Slave Serial configuration programming is shown in Figure 8, with Master Serial clock timing shown in
Figure 9. Programming parameters for both Slave and Master modes are given in Table 47.
Serial DIN
CCLK
Serial DOUT
1 TDCC
2 TCCD
4 TCCH
5 TCCL
3 TCCO
Figure 8: Slave Serial Mode Timing Sequence
ds083-3_08_111104
CCLK
(Output)
Serial DIN
1 TDSCK
2
TCKDS
Serial DOUT
Figure 9: Master Serial Mode Timing Sequence
ds083-3_09_111104
.
Table 47: Master/Slave Serial Mode Timing Characteristics
Description
Figure
References
Symbol
Value
Units
DIN setup/hold, slave mode (Figure 8)
1/2
DIN setup/hold, master mode (Figure 9)
1/2
DOUT
3
High time
4
CCLK Low time
5
Maximum start-up frequency
Maximum frequency
Frequency tolerance, master mode with
respect to nominal
TDCC/TCCD
TDSCK/TCKDS
TCCO
TCCH
TCCL
FCC_STARTUP
FCC_SERIAL
5.0/0.0
5.0/0.0
12.0
5.0
5.0
50
66 (1)
+45%
–30%
ns, min
ns, min
ns, max
ns, min
ns, min
MHz, max
MHz, max
Notes:
1. If no provision is made in the design to adjust the frequency of CCLK, FCC_SERIAL should not exceed FCC_STARTUP.
DS083 (v4.7) November 5, 2007
Product Specification
www.xilinx.com
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