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IntroToXPS

-                      v11
+                      v12
  === Inputs ===
+ * User I/O Pushbutton Port: This port is connected directly to the User I/O "up" pushbutton port. When the user presses the button on the board, the latch inside the prng_useriosrc core will stop updating the outputs. This will effectively "pause" the core and allow the user to read the current set of outputs from the LEDs and other display elements.
+ * Capture Period Register: This register attaches to the bus and allows C-code executing inside the MicroBlaze to control how often the latch on the LFSR triggers. In effect, this is a way for C-code to control how fast the output updates occur. Note: even though we have listed this as an input to the core, this register can also be read by the C-code in order to check and see what it had been set to.
  === Outputs ===
+* Left/Right Hex Display Port: The left and right
 == Instructions ==