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Programming the Ethernet controller (view source)
Revision as of 15:22, 19 July 2007
, 15:22, 19 July 2007no edit summary
** inouts
** inouts
*** ''AD'': 8-bit address and data bus
*** ''AD'': 8-bit address and data bus
* '''state register'''
** A three-bit register to store the current state.
** inputs
*** ''Clk'': clock
*** ''/Rst'': asynchronous, active-low reset to zero the register (puts system into reset state)
*** ''En'': write enable
*** ''D'': three-bit data-in bus
** outputs
*** ''Q'': three-bit data-out bus
=== (000) Reset Cycle ===
=== (000) Reset Cycle ===