Altera Internal Memory (RAM and ROM) IP Core Bedienungsanleitung Seite 34

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RAM: 2-Port IP Core Parameters
This table lists the parameters for the RAM: 2-Port IP Core
Table 4-3: RAM: 2-Port Parameter Settings
Parameter Legal Values Description
Parameter Settings: General
How will you be using the dual port RAM?
With one read
port and one
write port
With two read /
write ports
Specifies how you use the
dual port RAM.
How do you want to specify the memory size?
As a number of
words
As a number of
bits
Determines whether to
specify the memory size in
words or bits.
Parameter Settings: Widths/ Blk Type
How many <X>-bit words of memory? Specifies the number of <X>-
bit words.
Use different data widths on different ports On/Off Specifies whether to use
different data widths on
different ports.
When you select With one read port and one write
port, the following options are available:
How wide should the ‘q_a’ output bus be?
How wide should the ‘data_a’ input bus be?
How wide should the ‘q’ output bus be?
Specifies the width of the
input and output ports.
When you select With two read/write ports, the
following options are available:
How wide should the ‘q_a’ output bus be?
How wide should the ‘q_b’ output bus be?
What should the memory block type be? Auto, M-RAM,
M4K, M512, M9K,
M10K, M144K,
MLAB, M20K, LCs
Specifies the memory block
type. The types of memory
block that are available for
selection depends on your
target device.
How should the memory be implemented?
Use default logic
cell style
Use Stratix M512
emulation logic
cell style
Specifies the logic cell
implementation options.
This option is enabled only
when you choose LCs
memory type.
UG-01068
2014.12.17
RAM: 2-Port IP Core Parameters
4-9
Embedded Memory Signals and Parameters
Altera Corporation
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