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Programming the Ethernet controller (view source)
Revision as of 15:19, 19 July 2007
, 15:19, 19 July 2007→(000) Reset Cycle
*** ''Flag'' <= (''D_Done'' or not ''D_En'') and (''A_Done'' or not ''A_En'') and (''E_Done'' or not ''E_En'')
*** ''Flag'' <= (''D_Done'' or not ''D_En'') and (''A_Done'' or not ''A_En'') and (''E_Done'' or not ''E_En'')
** outputs
** outputs
*** ''Done'': when ''Flag'' goes high, ''Done'' pulses for one cycle; connects to state counter as an enable (thereby incrementing the ''State'' to 001)
*** ''Done'': when ''Flag'' goes high, ''Done'' pulses for one cycle; connects to state register as an enable
*** ''New_St'': new state to be written to the state register; goes to 001 while ''Done'' is high
=== (001) Transmit "I" ===
=== (001) Transmit "I" ===