path: root/manual
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authorClifford Wolf <>2014-02-03 13:01:45 +0100
committerClifford Wolf <>2014-02-03 13:01:45 +0100
commita6750b375301f2c2ebb51a2496cdf2c820b2546b (patch)
treee3a91710abab3a7a89858426b0d17601946d8fec /manual
parentde9226a64f96a3731008218727d6b3897c58f593 (diff)
Added TRANSPARENT parameter to $memrd (and RD_TRANSPARENT to $mem)
Diffstat (limited to 'manual')
1 files changed, 7 insertions, 0 deletions
diff --git a/manual/CHAPTER_CellLib.tex b/manual/CHAPTER_CellLib.tex
index b848a2b6..c8c2b6c6 100644
--- a/manual/CHAPTER_CellLib.tex
+++ b/manual/CHAPTER_CellLib.tex
@@ -250,6 +250,10 @@ the \B{CLK} input is not used.
\item \B{CLK\_POLARITY} \\
Clock is active on the positive edge if this parameter has the value {\tt 1'b1} and on the negative
edge if this parameter is {\tt 1'b0}.
+\item \B{TRANSPARENT} \\
+If this parameter is set to {\tt 1'b1}, a read and write to the same address in the same cycle will
+return the new value. Otherwise the old value is returned.
The {\tt \$memwr} cells have a clock input \B{CLK}, an enable input \B{EN}, an address input \B{ADDR}
@@ -308,6 +312,9 @@ This parameter is \B{RD\_PORTS} bits wide, containing a clock enable bit for eac
\item \B{RD\_CLK\_POLARITY} \\
This parameter is \B{RD\_PORTS} bits wide, containing a clock polarity bit for each read port.
+\item \B{RD\_TRANSPARENT} \\
+This parameter is \B{RD\_PORTS} bits wide, containing a transparent bit for each read port.
\item \B{WR\_PORTS} \\
The number of write ports on this memory cell.