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ATMEL AT91SAM9260的中段控制程序！

<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xA30</b></font></td><td><font size="-1">PIOA_SODR (<a href="#PIO_SODR">PIO_SODR</a>)</font></td><td><font size="-1">Set Output Data Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xA34</b></font></td><td><font size="-1">PIOA_CODR (<a href="#PIO_CODR">PIO_CODR</a>)</font></td><td><font size="-1">Clear Output Data Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xA38</b></font></td><td><font size="-1">PIOA_ODSR (<a href="#PIO_ODSR">PIO_ODSR</a>)</font></td><td><font size="-1">Output Data Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xA3C</b></font></td><td><font size="-1">PIOA_PDSR (<a href="#PIO_PDSR">PIO_PDSR</a>)</font></td><td><font size="-1">Pin Data Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xA40</b></font></td><td><font size="-1">PIOA_IER (<a href="#PIO_IER">PIO_IER</a>)</font></td><td><font size="-1">Interrupt Enable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xA44</b></font></td><td><font size="-1">PIOA_IDR (<a href="#PIO_IDR">PIO_IDR</a>)</font></td><td><font size="-1">Interrupt Disable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xA48</b></font></td><td><font size="-1">PIOA_IMR (<a href="#PIO_IMR">PIO_IMR</a>)</font></td><td><font size="-1">Interrupt Mask Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xA4C</b></font></td><td><font size="-1">PIOA_ISR (<a href="#PIO_ISR">PIO_ISR</a>)</font></td><td><font size="-1">Interrupt Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xA50</b></font></td><td><font size="-1">PIOA_MDER (<a href="#PIO_MDER">PIO_MDER</a>)</font></td><td><font size="-1">Multi-driver Enable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xA54</b></font></td><td><font size="-1">PIOA_MDDR (<a href="#PIO_MDDR">PIO_MDDR</a>)</font></td><td><font size="-1">Multi-driver Disable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xA58</b></font></td><td><font size="-1">PIOA_MDSR (<a href="#PIO_MDSR">PIO_MDSR</a>)</font></td><td><font size="-1">Multi-driver Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xA60</b></font></td><td><font size="-1">PIOA_PPUDR (<a href="#PIO_PPUDR">PIO_PPUDR</a>)</font></td><td><font size="-1">Pull-up Disable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xA64</b></font></td><td><font size="-1">PIOA_PPUER (<a href="#PIO_PPUER">PIO_PPUER</a>)</font></td><td><font size="-1">Pull-up Enable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xA68</b></font></td><td><font size="-1">PIOA_PPUSR (<a href="#PIO_PPUSR">PIO_PPUSR</a>)</font></td><td><font size="-1">Pull-up Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xA70</b></font></td><td><font size="-1">PIOA_ASR (<a href="#PIO_ASR">PIO_ASR</a>)</font></td><td><font size="-1">Select A Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xA74</b></font></td><td><font size="-1">PIOA_BSR (<a href="#PIO_BSR">PIO_BSR</a>)</font></td><td><font size="-1">Select B Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xA78</b></font></td><td><font size="-1">PIOA_ABSR (<a href="#PIO_ABSR">PIO_ABSR</a>)</font></td><td><font size="-1">AB Select Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xAA0</b></font></td><td><font size="-1">PIOA_OWER (<a href="#PIO_OWER">PIO_OWER</a>)</font></td><td><font size="-1">Output Write Enable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xAA4</b></font></td><td><font size="-1">PIOA_OWDR (<a href="#PIO_OWDR">PIO_OWDR</a>)</font></td><td><font size="-1">Output Write Disable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xAA8</b></font></td><td><font size="-1">PIOA_OWSR (<a href="#PIO_OWSR">PIO_OWSR</a>)</font></td><td><font size="-1">Output Write Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xC00</b></font></td><td><font size="-1">PIOB_PER (<a href="#PIO_PER">PIO_PER</a>)</font></td><td><font size="-1">PIO Enable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xC04</b></font></td><td><font size="-1">PIOB_PDR (<a href="#PIO_PDR">PIO_PDR</a>)</font></td><td><font size="-1">PIO Disable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xC08</b></font></td><td><font size="-1">PIOB_PSR (<a href="#PIO_PSR">PIO_PSR</a>)</font></td><td><font size="-1">PIO Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xC10</b></font></td><td><font size="-1">PIOB_OER (<a href="#PIO_OER">PIO_OER</a>)</font></td><td><font size="-1">Output Enable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xC14</b></font></td><td><font size="-1">PIOB_ODR (<a href="#PIO_ODR">PIO_ODR</a>)</font></td><td><font size="-1">Output Disable Registerr</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xC18</b></font></td><td><font size="-1">PIOB_OSR (<a href="#PIO_OSR">PIO_OSR</a>)</font></td><td><font size="-1">Output Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xC20</b></font></td><td><font size="-1">PIOB_IFER (<a href="#PIO_IFER">PIO_IFER</a>)</font></td><td><font size="-1">Input Filter Enable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xC24</b></font></td><td><font size="-1">PIOB_IFDR (<a href="#PIO_IFDR">PIO_IFDR</a>)</font></td><td><font size="-1">Input Filter Disable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xC28</b></font></td><td><font size="-1">PIOB_IFSR (<a href="#PIO_IFSR">PIO_IFSR</a>)</font></td><td><font size="-1">Input Filter Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xC30</b></font></td><td><font size="-1">PIOB_SODR (<a href="#PIO_SODR">PIO_SODR</a>)</font></td><td><font size="-1">Set Output Data Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xC34</b></font></td><td><font size="-1">PIOB_CODR (<a href="#PIO_CODR">PIO_CODR</a>)</font></td><td><font size="-1">Clear Output Data Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xC38</b></font></td><td><font size="-1">PIOB_ODSR (<a href="#PIO_ODSR">PIO_ODSR</a>)</font></td><td><font size="-1">Output Data Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xC3C</b></font></td><td><font size="-1">PIOB_PDSR (<a href="#PIO_PDSR">PIO_PDSR</a>)</font></td><td><font size="-1">Pin Data Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xC40</b></font></td><td><font size="-1">PIOB_IER (<a href="#PIO_IER">PIO_IER</a>)</font></td><td><font size="-1">Interrupt Enable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xC44</b></font></td><td><font size="-1">PIOB_IDR (<a href="#PIO_IDR">PIO_IDR</a>)</font></td><td><font size="-1">Interrupt Disable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xC48</b></font></td><td><font size="-1">PIOB_IMR (<a href="#PIO_IMR">PIO_IMR</a>)</font></td><td><font size="-1">Interrupt Mask Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xC4C</b></font></td><td><font size="-1">PIOB_ISR (<a href="#PIO_ISR">PIO_ISR</a>)</font></td><td><font size="-1">Interrupt Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xC50</b></font></td><td><font size="-1">PIOB_MDER (<a href="#PIO_MDER">PIO_MDER</a>)</font></td><td><font size="-1">Multi-driver Enable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xC54</b></font></td><td><font size="-1">PIOB_MDDR (<a href="#PIO_MDDR">PIO_MDDR</a>)</font></td><td><font size="-1">Multi-driver Disable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xC58</b></font></td><td><font size="-1">PIOB_MDSR (<a href="#PIO_MDSR">PIO_MDSR</a>)</font></td><td><font size="-1">Multi-driver Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xC60</b></font></td><td><font size="-1">PIOB_PPUDR (<a href="#PIO_PPUDR">PIO_PPUDR</a>)</font></td><td><font size="-1">Pull-up Disable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xC64</b></font></td><td><font size="-1">PIOB_PPUER (<a href="#PIO_PPUER">PIO_PPUER</a>)</font></td><td><font size="-1">Pull-up Enable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xC68</b></font></td><td><font size="-1">PIOB_PPUSR (<a href="#PIO_PPUSR">PIO_PPUSR</a>)</font></td><td><font size="-1">Pull-up Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xC70</b></font></td><td><font size="-1">PIOB_ASR (<a href="#PIO_ASR">PIO_ASR</a>)</font></td><td><font size="-1">Select A Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xC74</b></font></td><td><font size="-1">PIOB_BSR (<a href="#PIO_BSR">PIO_BSR</a>)</font></td><td><font size="-1">Select B Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xC78</b></font></td><td><font size="-1">PIOB_ABSR (<a href="#PIO_ABSR">PIO_ABSR</a>)</font></td><td><font size="-1">AB Select Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xCA0</b></font></td><td><font size="-1">PIOB_OWER (<a href="#PIO_OWER">PIO_OWER</a>)</font></td><td><font size="-1">Output Write Enable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xCA4</b></font></td><td><font size="-1">PIOB_OWDR (<a href="#PIO_OWDR">PIO_OWDR</a>)</font></td><td><font size="-1">Output Write Disable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xCA8</b></font></td><td><font size="-1">PIOB_OWSR (<a href="#PIO_OWSR">PIO_OWSR</a>)</font></td><td><font size="-1">Output Write Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xE00</b></font></td><td><font size="-1">PIOC_PER (<a href="#PIO_PER">PIO_PER</a>)</font></td><td><font size="-1">PIO Enable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xE04</b></font></td><td><font size="-1">PIOC_PDR (<a href="#PIO_PDR">PIO_PDR</a>)</font></td><td><font size="-1">PIO Disable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xE08</b></font></td><td><font size="-1">PIOC_PSR (<a href="#PIO_PSR">PIO_PSR</a>)</font></td><td><font size="-1">PIO Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xE10</b></font></td><td><font size="-1">PIOC_OER (<a href="#PIO_OER">PIO_OER</a>)</font></td><td><font size="-1">Output Enable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xE14</b></font></td><td><font size="-1">PIOC_ODR (<a href="#PIO_ODR">PIO_ODR</a>)</font></td><td><font size="-1">Output Disable Registerr</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xE18</b></font></td><td><font size="-1">PIOC_OSR (<a href="#PIO_OSR">PIO_OSR</a>)</font></td><td><font size="-1">Output Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xE20</b></font></td><td><font size="-1">PIOC_IFER (<a href="#PIO_IFER">PIO_IFER</a>)</font></td><td><font size="-1">Input Filter Enable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xE24</b></font></td><td><font size="-1">PIOC_IFDR (<a href="#PIO_IFDR">PIO_IFDR</a>)</font></td><td><font size="-1">Input Filter Disable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xE28</b></font></td><td><font size="-1">PIOC_IFSR (<a href="#PIO_IFSR">PIO_IFSR</a>)</font></td><td><font size="-1">Input Filter Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xE30</b></font></td><td><font size="-1">PIOC_SODR (<a href="#PIO_SODR">PIO_SODR</a>)</font></td><td><font size="-1">Set Output Data Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xE34</b></font></td><td><font size="-1">PIOC_CODR (<a href="#PIO_CODR">PIO_CODR</a>)</font></td><td><font size="-1">Clear Output Data Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xE38</b></font></td><td><font size="-1">PIOC_ODSR (<a href="#PIO_ODSR">PIO_ODSR</a>)</font></td><td><font size="-1">Output Data Status Register</font></td></tr>