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| 07:49 | Bertl_oO | morning folks!
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| 07:57 | Francky | hi
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| 08:17 | Bertl_oO | hey Francky!
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| 08:32 | Francky | hi Bertl
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| 08:32 | Francky | i have a question for you :=)
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| 08:33 | Bertl_oO | let's hear
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| 08:35 | Francky | i'm trying to make a "8bitserdes" IP, which integrate an OSERDES2
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| 08:36 | Francky | it takes a 8bit signal input, clk, data enable, reset and have a data_out
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| 08:37 | Francky | do i need to make a procerss to manage the OCE signal of the OSERDES or can i say that it is the dataenable ?
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| 08:38 | Jin|away | changed nick to: Jin^eLD
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| 08:39 | Bertl_oO | as long as the timing is correct, you can use it
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| 08:41 | Francky | and in the oserdes, the CLK signal is the global signal (for example 100MHz) and the CLKDIV is the IO signal on the output (= CLK * number of bit, for the exemple : 800MHz) right ?
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| 08:41 | Bertl_oO | the other way round
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| 08:43 | Francky | ok, but how to perform LVDS transfer with high frequency ?
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| 08:46 | Bertl_oO | clkdiv is the word clock, while the serdes clk is the high frequency clock
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| 08:49 | Francky | so the oserdes will start a new translation at each rising edge of the word clock, and outputs the serial bits at each clk rising edge right ?
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| 08:56 | Bertl_oO | yep
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| 08:56 | Bertl_oO | the clkdiv loads the shift register
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| 08:56 | Bertl_oO | and the clk shifts out the data
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| 13:19 | Francky | Bertl, if you are here, i've got another question
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| 13:19 | Francky | i have a 32bits + clk signal sender (32bit -> 4 serial lines)
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| 13:19 | Francky | i create a clock by sending the pattern 10101010 on a serial line
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| 13:20 | Francky | so the serial clock is half the main clock (for my exemple, the main clock is 100MHz, the serial clock is 50MHz)
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| 13:20 | Francky | for the receiver, if I want to use the serail clock to deserialize the data,, do i need to use a PLL or can i use a delay on the serial clock + using both rising and falling edge ?
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| 14:15 | Bertl_oO | yes, with this approach, you need to use a PLL on the receiver to regenerate the serial clock
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| 17:29 | lab-bot | FrancoisGandon created T346: Flying Camera. http://lab.apertus.org/T346
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| 20:55 | Bertl_oO | off to bed now ... have a good one everyone!
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