Altera Internal Memory (RAM and ROM) IP Core Bedienungsanleitung Seite 33

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Parameter Legal Values Description
More Options ‘q’ port On/Off Turn on this option for the ‘q’
port to be affected by the
asynchronous clear signal. The
disabled ports are not affected
by the asynchronous clear
signal.
Create a ‘rden’ read enable signal On/Off Specifies whether to create a
read enable signal.
Parameter Settings: Read During Write Option
What should the q output be when reading
from a memory location being written to?
New data, Don’t Care Specifies the output behavior
when read-during-write occurs.
New Data—New data is
available on the rising edge of
the same clock cycle on which it
was written.
Don’t Care—The RAM outputs
“don't care” or “unknown”
values for read-during-write
operation.
Get x’s for write masked bytes instead of
old data when byte enable is used
On/Off Turn on this option to obtain
‘X’ on the masked byte.
For M10K and M20K memory
block, this option is not
available if you specify New
Data as the output behavior
when RDW occurs.
Parameter Settings: Mem Init
Do you want to specify the initial content
of the memory?
No, leave it blank
Yes, use this file for the
memory content data
Specifies the initial content of
the memory.
To initialize the memory to
zero, select No, leave it blank.
To use a memory initialization
file (.mif) or a hexadecimal
(Intel-format) file (.hex), select
Yes, use this file for the
memory content data.
Allow In-System Memory Content Editor
to capture and update content independ‐
ently of the system clock
On/Off Specifies whether to allow In-
System Memory Content Editor
to capture and update content
independently of the system
clock.
The ‘Instance ID’ of this RAM is None Specifies the RAM ID.
4-8
RAM:1-Port IP Core Parameters
UG-01068
2014.12.17
Altera Corporation
Embedded Memory Signals and Parameters
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