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VHDL - serial out

 
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Old 04-05-2007, 09:31 PM   #1
Default serial out


Hi,

I am using clk of frequency 10Mhz to read 4 bytes of data from a
SRAM. I am moving the data into buffer byte by byte and then, I need
to serial out the data at clock rate of 2Mhz. I want to synchronize
the whole operation.
I am using state machine to read the SRAM, then after clock the 3
bytes into the buffer, I am generating a strobe signal form the state
machine to turn on the counter running at the 2Mhz frequncy. I got
2Mhz clock by dividing the 10Mhz clock. But I am getting the correct
data. Can anybody advice me the correct algorithm

Thanks
John



john
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Old 04-05-2007, 10:11 PM   #2
Mike Treseler
 
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Default Re: serial out
john wrote:

> I am using clk of frequency 10Mhz to read 4 bytes of data from a
> SRAM. I am moving the data into buffer byte by byte and then, I need
> to serial out the data at clock rate of 2Mhz. I want to synchronize
> the whole operation.
> I am using state machine to read the SRAM, then after clock the 3
> bytes into the buffer, I am generating a strobe signal form the state
> machine to turn on the counter running at the 2Mhz frequncy. I got
> 2Mhz clock by dividing the 10Mhz clock.


Read up on clock enables to start with:
http://groups.google.com/groups/sear...able&scoring=d
See some related examples here:
http://home.comcast.net/~mike_treseler/

-- Mike Treseler


Mike Treseler
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