at91sam7s128_adc.html

atmel at91sam7s和7x下

<tr><td align="CENTER" bgcolor="#FFFFCC">20..16</td><td align="CENTER"><a name="ADC_STARTUP"></a><b>ADC_STARTUP</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_STARTUP">AT91C_ADC_STARTUP</a></font></td><td><b>Startup Time</b><br>This field defines the necessary startup time in function of the ADC Clock.<br>Startup Time = (STARTUP+1)* 8 / ADCClock.</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">27..24</td><td align="CENTER"><a name="ADC_SHTIM"></a><b>ADC_SHTIM</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_SHTIM">AT91C_ADC_SHTIM</a></font></td><td><b>Sample &amp; Hold Time</b><br>This field defines the necessary time between 2 channels selection to guarantee the converted value in function of the ADC Clock.<br>Sample &amp; Hold Time = (SHTIM+1) / ADCClock.</td></tr>
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<a name="ADC_CHER"></a><h4><a href="#ADC">ADC</a>: <i><a href="AT91SAM7S128_h.html#AT91_REG">AT91_REG</a></i> ADC_CHER  <i>ADC Channel Enable Register</i></h4><ul><null><font size="-2"><li><b>ADC</b> <i><a href="AT91SAM7S128_h.html#AT91C_ADC_CHER">AT91C_ADC_CHER</a></i> 0xFFFD8010</font></null></ul><br>0 = No effect.<br> 1 = Enable the corresponding channel<table border=1 cellpadding=0 cellspacing=0 width="100%"><null><th bgcolor="#FFFFCC"><b>Offset</b></th><th bgcolor="#FFFFCC"><b>Name</b></th><th bgcolor="#FFFFCC"><b>Description</b></th><tr><td align="CENTER" bgcolor="#FFFFCC">0</td><td align="CENTER"><a name="ADC_CH0"></a><b>ADC_CH0</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_CH0">AT91C_ADC_CH0</a></font></td><td><b>Channel 0</b></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">1</td><td align="CENTER"><a name="ADC_CH1"></a><b>ADC_CH1</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_CH1">AT91C_ADC_CH1</a></font></td><td><b>Channel 1</b></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">2</td><td align="CENTER"><a name="ADC_CH2"></a><b>ADC_CH2</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_CH2">AT91C_ADC_CH2</a></font></td><td><b>Channel 2</b></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">3</td><td align="CENTER"><a name="ADC_CH3"></a><b>ADC_CH3</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_CH3">AT91C_ADC_CH3</a></font></td><td><b>Channel 3</b></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">4</td><td align="CENTER"><a name="ADC_CH4"></a><b>ADC_CH4</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_CH4">AT91C_ADC_CH4</a></font></td><td><b>Channel 4</b></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">5</td><td align="CENTER"><a name="ADC_CH5"></a><b>ADC_CH5</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_CH5">AT91C_ADC_CH5</a></font></td><td><b>Channel 5</b></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">6</td><td align="CENTER"><a name="ADC_CH6"></a><b>ADC_CH6</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_CH6">AT91C_ADC_CH6</a></font></td><td><b>Channel 6</b></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">7</td><td align="CENTER"><a name="ADC_CH7"></a><b>ADC_CH7</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_CH7">AT91C_ADC_CH7</a></font></td><td><b>Channel 7</b></td></tr>
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<a name="ADC_CHDR"></a><h4><a href="#ADC">ADC</a>: <i><a href="AT91SAM7S128_h.html#AT91_REG">AT91_REG</a></i> ADC_CHDR  <i>ADC Channel Disable Register</i></h4><ul><null><font size="-2"><li><b>ADC</b> <i><a href="AT91SAM7S128_h.html#AT91C_ADC_CHDR">AT91C_ADC_CHDR</a></i> 0xFFFD8014</font></null></ul><br>0 = No effect.<br> 1 = Disable the corresponding channel<table border=1 cellpadding=0 cellspacing=0 width="100%"><null><th bgcolor="#FFFFCC"><b>Offset</b></th><th bgcolor="#FFFFCC"><b>Name</b></th><th bgcolor="#FFFFCC"><b>Description</b></th><tr><td align="CENTER" bgcolor="#FFFFCC">0</td><td align="CENTER"><a name="ADC_CH0"></a><b>ADC_CH0</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_CH0">AT91C_ADC_CH0</a></font></td><td><b>Channel 0</b></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">1</td><td align="CENTER"><a name="ADC_CH1"></a><b>ADC_CH1</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_CH1">AT91C_ADC_CH1</a></font></td><td><b>Channel 1</b></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">2</td><td align="CENTER"><a name="ADC_CH2"></a><b>ADC_CH2</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_CH2">AT91C_ADC_CH2</a></font></td><td><b>Channel 2</b></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">3</td><td align="CENTER"><a name="ADC_CH3"></a><b>ADC_CH3</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_CH3">AT91C_ADC_CH3</a></font></td><td><b>Channel 3</b></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">4</td><td align="CENTER"><a name="ADC_CH4"></a><b>ADC_CH4</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_CH4">AT91C_ADC_CH4</a></font></td><td><b>Channel 4</b></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">5</td><td align="CENTER"><a name="ADC_CH5"></a><b>ADC_CH5</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_CH5">AT91C_ADC_CH5</a></font></td><td><b>Channel 5</b></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">6</td><td align="CENTER"><a name="ADC_CH6"></a><b>ADC_CH6</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_CH6">AT91C_ADC_CH6</a></font></td><td><b>Channel 6</b></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">7</td><td align="CENTER"><a name="ADC_CH7"></a><b>ADC_CH7</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_CH7">AT91C_ADC_CH7</a></font></td><td><b>Channel 7</b></td></tr>
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<a name="ADC_CHSR"></a><h4><a href="#ADC">ADC</a>: <i><a href="AT91SAM7S128_h.html#AT91_REG">AT91_REG</a></i> ADC_CHSR  <i>ADC Channel Status Register</i></h4><ul><null><font size="-2"><li><b>ADC</b> <i><a href="AT91SAM7S128_h.html#AT91C_ADC_CHSR">AT91C_ADC_CHSR</a></i> 0xFFFD8018</font></null></ul><br>0 = Corresponding channel is disabled.<br> 1 = Corresponding channel is enabled<table border=1 cellpadding=0 cellspacing=0 width="100%"><null><th bgcolor="#FFFFCC"><b>Offset</b></th><th bgcolor="#FFFFCC"><b>Name</b></th><th bgcolor="#FFFFCC"><b>Description</b></th><tr><td align="CENTER" bgcolor="#FFFFCC">0</td><td align="CENTER"><a name="ADC_CH0"></a><b>ADC_CH0</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_CH0">AT91C_ADC_CH0</a></font></td><td><b>Channel 0</b></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">1</td><td align="CENTER"><a name="ADC_CH1"></a><b>ADC_CH1</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_CH1">AT91C_ADC_CH1</a></font></td><td><b>Channel 1</b></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">2</td><td align="CENTER"><a name="ADC_CH2"></a><b>ADC_CH2</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_CH2">AT91C_ADC_CH2</a></font></td><td><b>Channel 2</b></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">3</td><td align="CENTER"><a name="ADC_CH3"></a><b>ADC_CH3</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_CH3">AT91C_ADC_CH3</a></font></td><td><b>Channel 3</b></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">4</td><td align="CENTER"><a name="ADC_CH4"></a><b>ADC_CH4</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_CH4">AT91C_ADC_CH4</a></font></td><td><b>Channel 4</b></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">5</td><td align="CENTER"><a name="ADC_CH5"></a><b>ADC_CH5</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_CH5">AT91C_ADC_CH5</a></font></td><td><b>Channel 5</b></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">6</td><td align="CENTER"><a name="ADC_CH6"></a><b>ADC_CH6</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_CH6">AT91C_ADC_CH6</a></font></td><td><b>Channel 6</b></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">7</td><td align="CENTER"><a name="ADC_CH7"></a><b>ADC_CH7</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_CH7">AT91C_ADC_CH7</a></font></td><td><b>Channel 7</b></td></tr>
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<a name="ADC_SR"></a><h4><a href="#ADC">ADC</a>: <i><a href="AT91SAM7S128_h.html#AT91_REG">AT91_REG</a></i> ADC_SR  <i>ADC Status Register</i></h4><ul><null><font size="-2"><li><b>ADC</b> <i><a href="AT91SAM7S128_h.html#AT91C_ADC_SR">AT91C_ADC_SR</a></i> 0xFFFD801C</font></null></ul><br>EOCx:<br>0 = Channel x is disabled, or the conversion is not finished.<br>1 = Channel x is enabled and conversion is complete.<br>OVREx:<br>0 = No overrun on the channel x since the last read of ADC_SR.<br> 1 = There has been an overrun on the channel x since the last read of ADC_SR.<br>DRDY:<br>0 = No data has been converted since the last read of ADC_LCDR.<br> 1 = At least one data has been converted since the last read of ADC_LCDR.<br>GOVRE:<br>0 = No Overrun Error occured since the last read of ADC_LCDR.<br> 1 = At least one Overrun Error has occured since the last read of ADC_LCDR.<br>ENDBUF:<br>0 = The PDC does not report an end of buffer.<br> 1 = The PDC reports an end of buffer.<br>BUFFULL:<br>0 = The PDC does not report a buffer full.<br> 1 = The PDC reports a buffer full.<table border=1 cellpadding=0 cellspacing=0 width="100%"><null><th bgcolor="#FFFFCC"><b>Offset</b></th><th bgcolor="#FFFFCC"><b>Name</b></th><th bgcolor="#FFFFCC"><b>Description</b></th><tr><td align="CENTER" bgcolor="#FFFFCC">0</td><td align="CENTER"><a name="ADC_EOC0"></a><b>ADC_EOC0</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_EOC0">AT91C_ADC_EOC0</a></font></td><td><b>End of Conversion</b></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">1</td><td align="CENTER"><a name="ADC_EOC1"></a><b>ADC_EOC1</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_EOC1">AT91C_ADC_EOC1</a></font></td><td><b>End of Conversion</b></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">2</td><td align="CENTER"><a name="ADC_EOC2"></a><b>ADC_EOC2</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_EOC2">AT91C_ADC_EOC2</a></font></td><td><b>End of Conversion</b></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">3</td><td align="CENTER"><a name="ADC_EOC3"></a><b>ADC_EOC3</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_EOC3">AT91C_ADC_EOC3</a></font></td><td><b>End of Conversion</b></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">4</td><td align="CENTER"><a name="ADC_EOC4"></a><b>ADC_EOC4</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_EOC4">AT91C_ADC_EOC4</a></font></td><td><b>End of Conversion</b></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">5</td><td align="CENTER"><a name="ADC_EOC5"></a><b>ADC_EOC5</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_EOC5">AT91C_ADC_EOC5</a></font></td><td><b>End of Conversion</b></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">6</td><td align="CENTER"><a name="ADC_EOC6"></a><b>ADC_EOC6</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_EOC6">AT91C_ADC_EOC6</a></font></td><td><b>End of Conversion</b></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">7</td><td align="CENTER"><a name="ADC_EOC7"></a><b>ADC_EOC7</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_EOC7">AT91C_ADC_EOC7</a></font></td><td><b>End of Conversion</b></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">8</td><td align="CENTER"><a name="ADC_OVRE0"></a><b>ADC_OVRE0</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_OVRE0">AT91C_ADC_OVRE0</a></font></td><td><b>Overrun Error</b></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">9</td><td align="CENTER"><a name="ADC_OVRE1"></a><b>ADC_OVRE1</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_OVRE1">AT91C_ADC_OVRE1</a></font></td><td><b>Overrun Error</b></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">10</td><td align="CENTER"><a name="ADC_OVRE2"></a><b>ADC_OVRE2</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_OVRE2">AT91C_ADC_OVRE2</a></font></td><td><b>Overrun Error</b></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">11</td><td align="CENTER"><a name="ADC_OVRE3"></a><b>ADC_OVRE3</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_OVRE3">AT91C_ADC_OVRE3</a></font></td><td><b>Overrun Error</b></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">12</td><td align="CENTER"><a name="ADC_OVRE4"></a><b>ADC_OVRE4</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_OVRE4">AT91C_ADC_OVRE4</a></font></td><td><b>Overrun Error</b></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">13</td><td align="CENTER"><a name="ADC_OVRE5"></a><b>ADC_OVRE5</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_OVRE5">AT91C_ADC_OVRE5</a></font></td><td><b>Overrun Error</b></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">14</td><td align="CENTER"><a name="ADC_OVRE6"></a><b>ADC_OVRE6</b><font size="-2"><br><a href="AT91SAM7S128_h.html#AT91C_ADC_OVRE6">AT91C_ADC_OVRE6</a></font></td><td><b>Overrun Error</b></td></tr>