Zilog EZ80190 Manual do Utilizador descarregar pdf (Página 84)

eZ80190 Development Kit

User Manual

UM014108-0810 General Array Logic Equations

parameter latch=8'h02;

wire [7:0] address={A7,A6,A5,A4,A3,A2,A1,A0};

assign nEM_WR =

~((nDIS_EM==1)&(nWR==0)&(nEM_EN==0)&(address==latch)

);

assign nEM_RD =

~((nDIS_EM==1)&(nRD==0)&(nEM_EN==0)&(address==latch)

);

assign nAN_WR =

~((nDIS_EM==1)&(nWR==0)&(nEM_EN==0)&(address==anode)

);

assign nCT_WR =

~((nDIS_EM==1)&(nWR==0)&(nEM_EN==0)&(address==cathod

e));

assign nDIS_ETH = ~(nCS);

endmodul

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Zilog EZ80190 Manual do Utilizador Página 84