Anyone using OCIDEC ?

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originally posted by samlittle@May 5 2006, 11:24 PM

hi hippo,

thanks for your answer. i use ocidec because altera only guarantees altcf core that support pio mode 0. so, i want to make my design more flexible. in your reply, you say only need to modify ptf how can i do it? moreover, i ever monitored altcf timing in signaltap ii at 50mhz of nios2 system clk, its result only meet pio mode 0 timing(600nsec). so, it maybe don't reach more higher mode unless i maybe increase system clk.

regards,

sam

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SLAVE ide

{

SYSTEM_BUILDER_INFO

{

Bus_Type = "avalon";

Address_Alignment = "native";

Address_Width = "4";

Data_Width = "16";

Has_IRQ = "1";

Read_Wait_States = "530ns";

Write_Wait_States = "500ns";

Setup_Time = "70ns";

Hold_Time = "30ns";

Edit these wait timing in your ptf, then regenerate in sopc builder.