Altera Parallel Flash Loader IP User Manual
Page 50
Flash Access Mode
Configura‐
tion Data
Option
Flash Data
Width (bits)
DCLK Ratio = 1, 2, 4, or 8
(9)
FPP Mode
PS Mode
Burst Mode
Normal
4
C
flash
= 4
C
cfg
= DCLK Ratio
C
overhead
= 48
C
flash
= 4
C
cfg
= 8*DCLK Ratio
C
overhead
= 48
8
C
flash
= 2
C
cfg
= DCLK Ratio
C
overhead
= 22*C
access
+8
C
flash
= 2
C
cfg
= 8*DCLK Ratio
C
overhead
= 22*C
access
+8
16
C
flash
= 1
C
cfg
= DCLK Ratio
C
overhead
= 20*C
access
+8
C
flash
= 1
C
cfg
= 8*DCLK Ratio
C
overhead
= 20*C
access
+8
Compressed
and/or
encrypted
4
C
flash
= 4
C
cfg
= 4*DCLK Ratio
C
overhead
= 48
C
flash
= 4
C
cfg
= 8*DCLK Ratio
C
overhead
= 48
8
C
flash
= 2
C
cfg
= 4*DCLK Ratio
C
overhead
= 22*C
access
+8
C
flash
= 2
C
cfg
= 8*DCLK Ratio
C
overhead
= 22*C
access
+8
16
C
flash
= 1
C
cfg
= 4*DCLK Ratio
C
overhead
= 20*C
access
+8
C
flash
= 1
C
cfg
= 8*DCLK Ratio
C
overhead
= 20*C
access
+8
(9)
Ratio between input clock and DCLK output clock. For more information, see related information
50
Specifications
UG-01082
2015.01.23
Altera Corporation
Parallel Flash Loader IP Core User Guide
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