Mi to prijde, ze maji pro tech 14 bitu cteni zpreva doleva, to by odpovidalo tomu prikladu ale uz ne tabulce IV.<br><br>PK.<br><br><div class="gmail_quote">On Dec 7, 2007 2:57 PM, Jiri Bezstarosti <<a href="mailto:jiri@bezstarosti.cz">
jiri@bezstarosti.cz</a>> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Ja tam vidim, ze se zapisuje po 16ti bitech. Nejprve zapisu ridici slovo
<br>a pak nizsich 14 bitu a nad ne 01 a pak vyssich 14b a nad ne 01.<br><br>Zapisuji 0xFC00, coz je binarne na 28 bit: 0000 0000 0000 1111 1100 0000<br>0000<br>a kdyz to rozseknu na 2x14b, tedy napul:<br>vyssi: 0000 0000 0000 11 = 0x3
<br>nizsi: 11 1100 0000 0000 = 0x3C00<br><br>Oni zapisuji 0x3F do vyssiho a 0 do nizsiho, coz je trochu divne, bitove<br>jaksi posunute ... zapisuji 0xFC000, vloudila se tam nejak nula navic.<br><br>Takze bud jsme nechapavi 2 (u sebe to nevylucuju) a nebo soudruzi z NDR
<br>nekde udelali chybu ;).<br><br>--<br>Jiri Bezstarosti<br><br>Šula Miloš napsal(a):<br><div><div></div><div class="Wj3C7c"><br>> Zdravim,<br>> muzete mi nekdo poradit, jak soudruzi v analogu pocitaji 14bit LSB a<br>
> 14bit MSB z 28bitove hodnoty ?<br>><br>> <a href="http://www.analog.com/UploadedFiles/Data_Sheets/AD9833.pdf" target="_blank">http://www.analog.com/UploadedFiles/Data_Sheets/AD9833.pdf</a><br>> strana 12 tabulka 5.
<br>><br>> 28bit hodnotu 0x000FC00 tam prevadi na 14bit LSB 0x0000 a 14bit MSB<br>> 0x003F ???<br>><br>> Milos<br>><br></div></div>>------------------------------------------------------------------------
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