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7<TITLE>MI_GetNDmaIntervalPrescaler</TITLE>
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11<H1 align="left">MI_GetNDmaIntervalPrescaler <IMG src="../../image/TWL.gif" width="24" height="12" border="0" align=middle></H1>
12<H2>Syntax</H2>
13<DL>
14  <DD><CODE>#include &lt;twl/mi.h&gt;</CODE><BR>
15  <BR>
16  <CODE>u32 MI_GetNDmaIntervalPrescaler( u32 ndmaNo );</CODE>
17  </DL>
18<H2>Arguments</H2>
19<TABLE border="1" width="100%">
20  <TBODY>
21    <TR>
22      <TD><EM><STRONG>ndmaNo</STRONG></EM></TD>
23      <TD>DMA number to get settings for (0-3).</TD>
24    </TR>
25  </TBODY>
26</TABLE>
27<H2>Return Values</H2>
28<P>Prescaler value of the block transfer interval timer.</P>
29<H2>Description</H2>
30<P>Gets the prescaler setting of the block transfer interval timer.</P>
31<P>It gets the prescaler setting of the block transfer interval timer for the new TWL DMA specified in <B><I>ndmaNo</I></B>.</P>
32<P>The function can obtain the following values:</P>
33<TABLE border="1">
34  <TBODY>
35    <TR>
36      <TH>Value</TH>
37      <TH>Description</TH>
38    </TR>
39    <TR>
40      <TD><CODE>MI_NDMA_INTERVAL_PS_1</CODE></TD>
41      <TD>System clock (33.514 MHz)</TD>
42    </TR>
43    <TR>
44      <TD><CODE>MI_NDMA_INTERVAL_PS_4</CODE></TD>
45      <TD>1/4th of the system clock</TD>
46    </TR>
47    <TR>
48      <TD><CODE>MI_NDMA_INTERVAL_PS_16</CODE></TD>
49      <TD>1/16th of the system clock</TD>
50    </TR>
51    <TR>
52      <TD><CODE>MI_NDMA_INTERVAL_PS_64</CODE></TD>
53      <TD>1/64th of the system clock</TD>
54    </TR>
55  </TBODY>
56</TABLE>
57<H2>See Also</H2>
58<P><CODE><A href="MI_SetNDmaInterval.html">MI_SetNDmaInterval</A><BR></CODE></P>
59<H2>Revision History</H2>
60<P>2007/09/07 Initial version.</P>
61<hr><p>CONFIDENTIAL</p></body>
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