1 files changed, 107 insertions, 0 deletions
diff --git a/fpga/usrp1/megacells/fifo_1kx16.bsf b/fpga/usrp1/megacells/fifo_1kx16.bsf
new file mode 100755
index 000000000..2de80816f
--- /dev/null
+++ b/fpga/usrp1/megacells/fifo_1kx16.bsf
@@ -0,0 +1,107 @@
+/*
+WARNING: Do NOT edit the input and output ports in this file in a text
+editor if you plan to continue editing the block that represents it in
+the Block Editor! File corruption is VERY likely to occur.
+*/
+/*
+Copyright (C) 1991-2006 Altera Corporation
+Your use of Altera Corporation's design tools, logic functions 
+and other software and tools, and its AMPP partner logic 
+functions, and any output files any of the foregoing 
+(including device programming or simulation files), and any 
+associated documentation or information are expressly subject 
+to the terms and conditions of the Altera Program License 
+Subscription Agreement, Altera MegaCore Function License 
+Agreement, or other applicable license agreement, including, 
+without limitation, that your use is for the sole purpose of 
+programming logic devices manufactured by Altera and sold by 
+Altera or its authorized distributors.  Please refer to the 
+applicable agreement for further details.
+*/
+(header "symbol" (version "1.1"))
+(symbol
+	(rect 0 0 160 160)
+	(text "fifo_1kx16" (rect 51 1 119 17)(font "Arial" (font_size 10)))
+	(text "inst" (rect 8 144 25 156)(font "Arial" ))
+	(port
+		(pt 0 32)
+		(input)
+		(text "data[15..0]" (rect 0 0 60 14)(font "Arial" (font_size 8)))
+		(text "data[15..0]" (rect 20 26 71 39)(font "Arial" (font_size 8)))
+		(line (pt 0 32)(pt 16 32)(line_width 3))
+	)
+	(port
+		(pt 0 56)
+		(input)
+		(text "wrreq" (rect 0 0 35 14)(font "Arial" (font_size 8)))
+		(text "wrreq" (rect 20 50 45 63)(font "Arial" (font_size 8)))
+		(line (pt 0 56)(pt 16 56)(line_width 1))
+	)
+	(port
+		(pt 0 72)
+		(input)
+		(text "rdreq" (rect 0 0 30 14)(font "Arial" (font_size 8)))
+		(text "rdreq" (rect 20 66 44 79)(font "Arial" (font_size 8)))
+		(line (pt 0 72)(pt 16 72)(line_width 1))
+	)
+	(port
+		(pt 0 96)
+		(input)
+		(text "clock" (rect 0 0 29 14)(font "Arial" (font_size 8)))
+		(text "clock" (rect 26 90 49 103)(font "Arial" (font_size 8)))
+		(line (pt 0 96)(pt 16 96)(line_width 1))
+	)
+	(port
+		(pt 0 128)
+		(input)
+		(text "aclr" (rect 0 0 21 14)(font "Arial" (font_size 8)))
+		(text "aclr" (rect 20 122 37 135)(font "Arial" (font_size 8)))
+		(line (pt 0 128)(pt 16 128)(line_width 1))
+	)
+	(port
+		(pt 160 32)
+		(output)
+		(text "q[15..0]" (rect 0 0 42 14)(font "Arial" (font_size 8)))
+		(text "q[15..0]" (rect 105 26 141 39)(font "Arial" (font_size 8)))
+		(line (pt 160 32)(pt 144 32)(line_width 3))
+	)
+	(port
+		(pt 160 56)
+		(output)
+		(text "full" (rect 0 0 16 14)(font "Arial" (font_size 8)))
+		(text "full" (rect 127 50 142 63)(font "Arial" (font_size 8)))
+		(line (pt 160 56)(pt 144 56)(line_width 1))
+	)
+	(port
+		(pt 160 72)
+		(output)
+		(text "empty" (rect 0 0 34 14)(font "Arial" (font_size 8)))
+		(text "empty" (rect 112 66 141 79)(font "Arial" (font_size 8)))
+		(line (pt 160 72)(pt 144 72)(line_width 1))
+	)
+	(port
+		(pt 160 88)
+		(output)
+		(text "almost_empty" (rect 0 0 77 14)(font "Arial" (font_size 8)))
+		(text "almost_empty" (rect 75 82 141 95)(font "Arial" (font_size 8)))
+		(line (pt 160 88)(pt 144 88)(line_width 1))
+	)
+	(port
+		(pt 160 104)
+		(output)
+		(text "usedw[9..0]" (rect 0 0 68 14)(font "Arial" (font_size 8)))
+		(text "usedw[9..0]" (rect 83 98 136 111)(font "Arial" (font_size 8)))
+		(line (pt 160 104)(pt 144 104)(line_width 3))
+	)
+	(drawing
+		(text "16 bits x 1024 words" (rect 58 132 144 144)(font "Arial" ))
+		(text "almost_empty < 504" (rect 58 122 144 134)(font "Arial" ))
+		(line (pt 16 16)(pt 144 16)(line_width 1))
+		(line (pt 144 16)(pt 144 144)(line_width 1))
+		(line (pt 144 144)(pt 16 144)(line_width 1))
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+		(line (pt 16 90)(pt 22 96)(line_width 1))
+		(line (pt 22 96)(pt 16 102)(line_width 1))
+	)
+)