
© May 2011 Altera Corporation FIR Compiler User Guide
A. FIR Compiler Supported Device
Structures
Supported Device Structures
Table A–1 lists the device structures supported by the FIR Compiler.
The data storage depends on the specified user settings. Cyclone
®
devices do not
support M512 or MRAM memory. MLAB, M9K and M144K are supported by
Stratix
®
III and Stratix IV devices only.
Table A–1. Device Structures Supported by FIR Compiler (Part 1 of 2)
Structure
Sub
Structure
Input Bit
Width
Flow
Control
Data
Storage
Coefficient
Storage
Multiple
Coefficient
Sets
Symmetric
Coefficient
Serial Fixed
Coefficient
4 to 32 Avalon-ST
interface and
optional global
clock enable
Logic cell, M512,
M4K, M-RAM
MLAB, M9K,
M144K, Auto
Logic cell,
M512, M4K,
MLAB, M9K,
Auto
Yes Yes
Reloadable
Coefficient
4 to 32 Avalon-ST
interface and
optional global
clock enable
Logic cell, M512,
M4K, M-RAM
MLAB, M9K,
M144K, Auto
M512, M4K,
M512, M4K,
MLAB, M9K,
Auto
Yes Yes
Interpolation
(Reloadable
Coefficient must
be in memory)
4 to 32 Avalon-ST
interface and
optional global
clock enable
Logic cell, M512,
M4K, M-RAM
MLAB, M9K,
M144K, Auto
Logic cell,
M512, M4K,
MLAB, M9K,
Auto
Yes N/A
Decimation
(Reloadable
Coefficient must
be in memory)
4 to 32 Avalon-ST
interface and
optional global
clock enable
Logic cell, M512,
M4K, M-RAM
MLAB, M9K,
M144K, Auto
Logic cell,
M512, M4K,
MLAB, M9K,
Auto
Yes N/A
Multibit
Serial
Fixed
Coefficient
≥
4
(number
of serial
units)
Avalon-ST
interface and
optional global
clock enable
Logic cell, M512,
M4K, M-RAM
MLAB, M9K,
M144K, Auto
Logic cell,
M512, M4K,
MLAB, M9K,
Auto
Yes Yes
Reloadable
Coefficient
≥
4
(number
of serial
units)
Avalon-ST
interface and
optional global
clock enable
Logic cell, M512,
M4K, M-RAM
MLAB, M9K,
M144K, Auto
M512, M4K,
M512, M4K,
MLAB, M9K,
Auto
Yes Yes
Interpolation
(Reloadable
Coefficient must
be in memory)
≥
4
(number
of serial
units)
Avalon-ST
interface and
optional global
clock enable
Logic cell, M512,
M4K, M-RAM
MLAB, M9K,
M144K, Auto
Logic cell,
M512, M4K,
MLAB, M9K,
Auto
Yes N/A
Decimation
(Reloadable
Coefficient must
be in memory)
≥
4
(number
of serial
units)
Avalon-ST
interface and
optional global
clock enable
Logic cell, M512,
M4K, M-RAM
MLAB, M9K,
M144K, Auto
Logic cell,
M512, M4K,
MLAB, M9K,
Auto
Yes N/A
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