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No. 1289 Re: Re: [140917-0001FE] Re: CSE-M53N 2014-10-22

Hi, this is exactly what I needed to know.

Thank you

> Sollae Systems wrote:
> ------------------------------------
> Hello,
>
> This is Sollae systems support team.
>
> I misunderstood your second question.
>
> As I mentioned in the previous answer, Serial Rx buffer size of CSE-M53N is 2048byte.
>
> The RTS Signal is Active(="0") until the buffer is filled 3/4 of 2048byte.
>
> In other words, when buffer remains below 512byte, RTS signal is inactive(="1")
>
> If you have any other question, please do not hesitate to contact us again.
>
> Thank you.
>
>
>
>
> > Sollae Systems wrote:
> > ------------------------------------
> > Hello,
> >
> > This is Sollae systems support team.
> >
> >
> > 1. Serial Rx buffer size : 2048
> > Serial Tx buffer size : 4096
> >
> >
> > 2. When you use UART RTS, RTS is LOW("0") Active signal.
> > It means that if CSE-M53N doesn'st use RTS/CTS, RTS signal should keep HIGH("1"), on the other hands when CSE-M53N use RTS/CTS, it might be LOW("0") Please refer to attached file.
> >
> >
> > 3. CTS is Input pin. "RTS" stands for Request to Send and "CTS" stand for Clear to Send.
> > Before receiving data from user device, CSE-M53N sends LOW signal to user device(CTS).
> > This process is to let the user device know that the module is ready to receive data.
> >
> > [cse-m53n] <----------------DATA-------------[user device]
> > RTS(pin#8) ----------------LOW--------------> CTS
> >
> >
> >
> > In this case, Before sending data to user device, User device sends signal to CSE-M53N
> > [cse-m53n] -----------------DATA------------> [user device]
> > CTS(pin#7) <---------------serial----------- RTS
> >
> >
> > If you have any other question, please do not hesitate to contact us again.
> >
> > Thank you.
> >
> >
> >
> >
> > > PM wrote:
> > > ------------------------------------
> > > Hi, i have some question about CSE-M53N, respect to CST/RTS
> > >
> > > 1-What is the size of the buffers TX and RX?
> > > 2-The RTS signal, when is "1" and when is "0"? At determined amount of data on buffer?
> > > 3-When i put CTS to "1", the module complete the transmission of the byte in progress and stop? Or how works it?
> > >
> > > Thanks
Writer Pao Company