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Re: How to change Read Only Constraint to Read-Write

 
 
Isaac
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      07-10-2003
Sorry , I changes my code to Input .......
So please read SR_DATA_IO_int (13 downto 0) as Input (13 downto 0)

Cheers

Isaac


Allan Herriman <(E-Mail Removed)> wrote in message news:<(E-Mail Removed)>. ..
> On 9 Jul 2003 11:00:32 -0700, http://www.velocityreviews.com/forums/(E-Mail Removed) (Isaac) wrote:
>
> >Yes ALLAN I am Sure I am using different bits
> >
> >
> >E.g
> >
> >This VHDL code I tried but in PAR file no pin assignment for signal 13 to 7
> >
> > process(CLK_2X,SR_ADDR_IO_int,SR_DATA_IO_int,SR_IR D_int,SR_IWR_int,SR_IVCS_V3_int)
> >begin
> > if RISING_EDGE(CLK_2X) then
> > if SR_IVCS_V3_int = '0' then
> > if SR_IWR_int = '0' then
> > if SR_ADDR_IO_int = "001100" then
> > LED_V3_int <= SR_DATA_IO_int(13 downto 7);
> > end if;
> > end if;
> > end if;
> > end if;
> >end process P_SRAM2LED;

>
>
> It's hard to say exactly what's going on, because you didn't include
> the right bits of VHDL (i.e. the signal declarations).
> Which signal is related to the "INPUT" signal in your first post?
>
> The only signal is likely to be of type std_logic_vector is
> SR_ADDR_IO_int, and that is only six bits long. Hmmm, the error
> messages indicated that the six least signficant bits of INPUT were
> used.
> Do you have an assignment like:
> SR_ADDR_IO_int <= INPUT(5 downto 0);
> anywhere in your code?
>
> You also might want to fix the sensitivity list.
>
> Regards,
> Allan.

 
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