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14<h1 align="left">CTRDG_SetPhiClock <IMG src="../image/NTR.gif" align="middle"></H1>
15<H2>Syntax</H2>
16
17<dl>
18  <dd>
19<CODE>#include &lt;nitro/ctrdg.h&gt;</CODE><BR>
20  <BR>
21  <CODE>void CTRDG_SetPhiClock( CTRDGPhiClock clock )</CODE></dd>
22</dl>
23<h2>Arguments</h2>
24<TABLE border="1" width="100%">
25  <TBODY>
26    <TR>
27      <TD width="13%"><EM><STRONG>clock</STRONG></EM></TD>
28      <TD width="87%">PHI terminal output control setting</TD>
29    </TR>
30  </TBODY>
31</TABLE>
32
33<h2>Return Values</h2>
34<p>None.</p>
35
36<H2>Description</H2>
37<P>This function performs PHI terminal output control setting.</P>
38<P>The clock argument is in <CODE>CTRDGPhiClock</CODE> enum format and has the following meanings:</P>
39<TABLE>
40  <TBODY>
41    <TR>
42      <TD bgcolor="#eeeeee"><CODE>CTRDG_PHI_CLOCK_LOW</CODE></TD>
43      <TD bgcolor="#eeeeee">Low-level output</TD>
44    </TR>
45    <TR>
46      <TD bgcolor="#eeeeee"><CODE>CTRDG_PHI_CLOCK_4MHZ</CODE></TD>
47      <TD bgcolor="#eeeeee">4.19MHz clock output</TD>
48    </TR>
49    <TR>
50      <TD bgcolor="#eeeeee"><CODE>CTRDG_PHI_CLOCK_8MHZ</CODE></TD>
51      <TD bgcolor="#eeeeee">8.38MHz clock output</TD>
52    </TR>
53    <TR>
54      <TD bgcolor="#eeeeee"><CODE>CTRDG_PHI_CLOCK_16MHZ</CODE></TD>
55      <TD bgcolor="#eeeeee">16.76MHz clock output</TD>
56    </TR>
57  </TBODY>
58</TABLE>
59<P><BR> This function sets both the ARM9 and ARM7.</P>
60<P>This function is not thread-safe.</P>
61<h2>Internal Operation</h2>
62<P>Accesses the EXMEMCNT I/O register (0x4000204) of both the ARM9 and ARM7. To do this, it also sends an instruction to the ARM7 via PXI.</P>
63<h2>See Also</h2>
64<p><CODE><A href="CTRDG_GetPhiClock.html">CTRDG_GetPhiClock</A><br></CODE></p>
65
66<H2>Revision History</H2>
67<P>2006/04/28 Changed from MI_ to CTRDG. Revised functionality so that both the ARM7 and ARM9 are set.<BR>2003/12/18 Initial version</P>
68<hr><p>CONFIDENTIAL</p></body>
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