implementing a serial communication interface

Question

Hi Everybody,

I and my friend is working on a project in which we are trying to interface a cyclone III FPGA with a MC9S12NE64 freescale microcontroller.The problem here is that we have to send the data serially through the SCI port of the microcontroller which has only two pins and the data has to be received and another set of data has to be sent.... . We have tried several logics but couldn't find an effective method to do so. So, i please request any of the developers out there to just help us with some sample codes or with some algorithm which would help us implement the protocol.

altera_forum · Answer

Looks like a standard UART protocol.You can find a core e.g. at OpenCores : http://opencores.org/project,mmuart (http://opencores.org/project,mmuart)

altera_forum · Answer

SIR,    can you post a code a code in vhdl please...................

altera_forum · Answer

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SIR,

can you post a code a code in vhdl please...................

--- Quote End ---

No need to call me (or anyone else for that matter ...) sir.

If you looked around on OpenCores.org you could have found this link (http://opencores.org/project,a_vhd_16550_uart). If you exercise Google Search a bit you probably will find plenty more. Furthermore it is not that difficult, or at least a good exercise, writing one yourself.

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implementing a serial communication interface

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