Altera Parallel Flash Loader IP Manuel d'utilisateur Page 49

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Table 15: FPP and PS Mode Equations for the PFL
Flash Access Mode
Configura‐
tion Data
Option
Flash Data
Width (bits)
DCLK Ratio = 1, 2, 4, or 8
(9)
FPP Mode PS Mode
Normal Mode/Page
Mode
(10)
Normal
8
C
flash
= C
access
C
cfg
= DCLK Ratio
C
overhead
= 5*C
access
C
flash
= C
access
C
cfg
= 8*DCLK Ratio
C
overhead
= 5*C
access
16
C
flash
= C
access
/2
C
cfg
= DCLK Ratio
C
overhead
= 3*C
access
C
flash
= C
access
/2
C
cfg
= 8*DCLK Ratio
C
overhead
= 3*C
access
Compressed
and/or
encrypted
8
C
flash
= C
access
C
cfg
= 4*DCLK Ratio
C
overhead
= 5*C
access
C
flash
= C
access
C
cfg
= 8*DCLK Ratio
C
overhead
= 5*C
access
16
C
flash
= C
access
/2
C
cfg
= 4*DCLK Ratio
C
overhead
= 3*C
access
C
flash
= C
access
/2
C
cfg
= 8*DCLK Ratio
C
overhead
= 3*C
access
(9)
Ratio between input clock and DCLK output clock. For more information, see related information
UG-01082
2015.01.23
Specifications
49
Parallel Flash Loader IP Core User Guide
Altera Corporation
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