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diff --git a/content/zettel/5a2c.md b/content/zettel/5a2c.md new file mode 100644 index 0000000..33942ac --- /dev/null +++ b/content/zettel/5a2c.md @@ -0,0 +1,16 @@ ++++ +title = "Handshaking signals" +author = "Yann Herklotz" +tags = [] +categories = [] +backlinks = ["5a2b"] +forwardlinks = ["5a2d"] +zettelid = "5a2c" ++++ + +The problem with travelling CE, is that it is only useful when one +single input signal is enough to implement the pipelining. In addition +to that, the travelling CE does not allow for the next pipeline stage to +communicate that it is busy with an operation. The idea, therefore, is +to have a `STB` signal, and a `BUSY` signal, the former saying that the +data is ready, and the latter saying that the module is busy. |