Thanks Glen - I can see that will work.

On Wed, Nov 13, 2013 at 2:41 PM, G Jones <[email protected]> wrote:
> Usually people just slice the bit you want off a counter. To select
> the bit using a software register, just use the software register as
> the select for a mux. Or use the software register as a bit mask and
> AND it with the counter, then use the output of a relational == 0 as
> your divided counter.
>
> On Wed, Nov 13, 2013 at 5:38 PM, Ross Williamson
> <[email protected]> wrote:
>> Hi All,
>>
>> I suspect this is really simple but I just cannot get this to work in
>> simulink.  I would like to divide the sys_clk by a factor set by a
>> software register.  To do this in VHDL is very simple - You setup a
>> counter and invert the output when it reaches half of the required clk
>> divide - the counter is then reset.
>>
>> The problem is trying to draw the simulink equivalent. The counter and
>> relational are fairly simple but you need to be able to assign an
>> initial value to the not gate but I cannot seem to be able to do this.
>>
>> What is the obvious thing that I'm missing here?
>>
>> Ross
>>
>> --
>> Ross Williamson
>> Research Scientist - Sub-mm Group
>> California Institute of Technology
>> 626-395-2647 (office)
>> 312-504-3051 (Cell)
>>



-- 
Ross Williamson
Research Scientist - Sub-mm Group
California Institute of Technology
626-395-2647 (office)
312-504-3051 (Cell)

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