R
DC and Switching Characteristics
Configuration Clock (CCLK) Characteristics
Table 112: Master Mode CCLK Output Period by ConfigRate Option Setting
ConfigRate
Setting
Temperature
Range
Symbol
Description
Minimum
Maximum
Units
CCLK clock period by
ConfigRate setting
1
Commercial
570
485
ns
ns
T
(power-on value
and default value)
1,250
CCLK1
Industrial
Commercial
Industrial
285
242
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
T
T
T
T
T
3
625
313
157
78.2
39.1
CCLK3
Commercial
Industrial
142
6
CCLK6
121
Commercial
Industrial
71.2
60.6
35.5
30.3
17.8
15.1
12
25
50
CCLK12
CCLK25
CCLK50
Commercial
Industrial
Commercial
Industrial
Notes:
1. Set the ConfigRate option value when generating a configuration bitstream. See Bitstream Generator (BitGen) Options in Module 2.
Table 113: Master Mode CCLK Output Frequency by ConfigRate Option Setting
ConfigRate
Setting
Temperature
Range
Symbol
Description
Minimum
Maximum
Units
Equivalent CCLK clock
frequency by ConfigRate
setting
1
Commercial
1.8
2.1
MHz
MHz
F
(power-on value
and default value)
0.8
CCLK1
Industrial
Commercial
Industrial
3.6
4.2
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
F
F
F
F
F
3
1.6
3.2
CCLK3
Commercial
Industrial
7.1
6
CCLK6
8.3
Commercial
Industrial
14.1
16.5
28.1
33.0
56.2
66.0
12
25
50
6.4
CCLK12
CCLK25
CCLK50
Commercial
Industrial
12.8
25.6
Commercial
Industrial
Table 114: Master Mode CCLK Output Minimum Low and High Time
ConfigRate Setting
Symbol
Description
Units
1
3
6
12
25
50
T
T
MastermodeCCLKminimum Commercial
276
235
138
117
69
58
34.5
29.3
17.1
14.5
8.5
7.3
ns
ns
MCCL,
MCCH
Low and High time
Industrial
DS312-3 (v3.8) August 26, 2009
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Product Specification
XILINX [ XILINX, INC ]
