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Table 3-19: IO_FIFO Attributes
Attribute
ARRAY_MODE (IN_FIFO)
ARRAY_MODE (OUT_FIFO) String:
ALMOST_EMPTY_VALUE
ALMOST_FULL_VALUE
OUTPUT_DISABLE
7 Series FPGAs SelectIO Resources User Guide
UG471 (v1.10) May 8, 2018
Value
String:
ARRAY_MODE_4_X_8
ARRAY_MODE_4_X_8
ARRAY_MODE_4_X_4
ARRAY_MODE_8_X_4
ARRAY_MODE_8_X_4
ARRAY_MODE_4_X_4
Integer: 1 or 2
Integer: 1 or 2
Boolean: TRUE or
FALSE
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Default Value
Defines 4 input bits and 4 or 8 output
bits per port.
Defines 4 or 8 input bits, and 4 output
bits per port.
1
See
ALMOST EMPTY and ALMOST
FULL Flags, page
1
See
ALMOST EMPTY and ALMOST
FULL Flags, page
FALSE
OUT_FIFO: Output disable drives the
Qx outputs High when RD_EN is low.
IO_FIFO Overview
Description
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180.
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