Lpc2000

--- In lpc2000@yahoogroups.com, rseku <rseku@p...> wrote:
>
> I'm playing now with CS8900A control timing.
> there are some examples on the net, but they don't care about 
> MAM,PLL configuration.
> My question is how fast the instruction executes:
> while(1){
> I0SET =1
> asm ("nop")
> I0CLR =1
> }
> when CPU CLOCK is 60MHZ, and MAM = FULL
> The data sheet says about rise time = 30ns.
> How many "nop" should be added between to get a continous square 
> wave? I haven't found so far manual which says about instruction
> timings?

See the assembly output from the compiler, and
http://groups.yahoo.com/group/lpc2000/message/7808 for the timing of 
the individual instructions.

Karl Olsen