at91sam9261_pmc.html

AT91SAM 系列微控制器的NAND Flash支持代码 描述怎样将NAND Flash和AT91SAM 系列微控制器连接起来。

<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM9261_h.html#AT91F_PMC_EnableIt">AT91F_PMC_EnableIt</a></b></font></td><td><font size="-1">Enable PMC interrupt</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM9261_h.html#AT91F_PMC_GetPeriphClock">AT91F_PMC_GetPeriphClock</a></b></font></td><td><font size="-1">Get peripheral clock status</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM9261_h.html#AT91F_CKGR_CfgPLLA_TransientTime">AT91F_CKGR_CfgPLLA_TransientTime</a></b></font></td><td><font size="-1">Cfg PLL oscount field according to the PLL transient time</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM9261_h.html#AT91F_PMC_EnablePCK">AT91F_PMC_EnablePCK</a></b></font></td><td><font size="-1">Enable peripheral clock</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM9261_h.html#AT91F_PMC_GetMCKReg">AT91F_PMC_GetMCKReg</a></b></font></td><td><font size="-1">Return Master Clock Register</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM9261_h.html#AT91F_CKGR_EnableMainOscillator">AT91F_CKGR_EnableMainOscillator</a></b></font></td><td><font size="-1">Enable the main oscillator</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM9261_h.html#AT91F_CKGR_GetMainClockFreqReg">AT91F_CKGR_GetMainClockFreqReg</a></b></font></td><td><font size="-1">Cfg the main oscillator</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM9261_h.html#AT91F_PMC_DisableHCK">AT91F_PMC_DisableHCK</a></b></font></td><td><font size="-1">Disable AHB peripheral clock</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM9261_h.html#AT91F_CKGR_CfgPLLAReg">AT91F_CKGR_CfgPLLAReg</a></b></font></td><td><font size="-1">Cfg the PLLA Register</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM9261_h.html#AT91F_PMC_GetMasterClock">AT91F_PMC_GetMasterClock</a></b></font></td><td><font size="-1">Return master clock in Hz</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM9261_h.html#AT91F_CKGR_CfgPLLBReg">AT91F_CKGR_CfgPLLBReg</a></b></font></td><td><font size="-1">Cfg the PLLB Register</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM9261_h.html#AT91F_PMC_GetStatus">AT91F_PMC_GetStatus</a></b></font></td><td><font size="-1">Return PMC Interrupt Status</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM9261_h.html#AT91F_CKGR_CfgMainOscillatorReg">AT91F_CKGR_CfgMainOscillatorReg</a></b></font></td><td><font size="-1">Cfg the main oscillator</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM9261_h.html#AT91F_CKGR_GetPLLAReg">AT91F_CKGR_GetPLLAReg</a></b></font></td><td><font size="-1">Get the PLLA Register</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM9261_h.html#AT91F_CKGR_GetPLLBReg">AT91F_CKGR_GetPLLBReg</a></b></font></td><td><font size="-1">Get the PLLB Register</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM9261_h.html#AT91F_PMC_GetProcessorClock">AT91F_PMC_GetProcessorClock</a></b></font></td><td><font size="-1">Return processor clock in Hz</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM9261_h.html#AT91F_CKGR_DisablePLLBOutput">AT91F_CKGR_DisablePLLBOutput</a></b></font></td><td><font size="-1">Disable the PLLB output</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM9261_h.html#AT91F_CKGR_DisablePLLAInput">AT91F_CKGR_DisablePLLAInput</a></b></font></td><td><font size="-1">Disable the PLLA Input</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM9261_h.html#AT91F_PMC_CfgSysClkEnableReg">AT91F_PMC_CfgSysClkEnableReg</a></b></font></td><td><font size="-1">Configure the System Clock Enable Register of the PMC controller</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM9261_h.html#AT91F_PMC_EnablePeriphClock">AT91F_PMC_EnablePeriphClock</a></b></font></td><td><font size="-1">Enable peripheral clock</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM9261_h.html#AT91F_PMC_DisablePeriphClock">AT91F_PMC_DisablePeriphClock</a></b></font></td><td><font size="-1">Disable peripheral clock</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM9261_h.html#AT91F_PMC_DisablePCK">AT91F_PMC_DisablePCK</a></b></font></td><td><font size="-1">Enable peripheral clock</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM9261_h.html#AT91F_PMC_GetSysClkStatusReg">AT91F_PMC_GetSysClkStatusReg</a></b></font></td><td><font size="-1">Return the System Clock Status Register of the PMC controller</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM9261_h.html#AT91F_PMC_IsStatusSet">AT91F_PMC_IsStatusSet</a></b></font></td><td><font size="-1">Test if PMC Status is Set</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM9261_h.html#AT91F_PMC_DisableIt">AT91F_PMC_DisableIt</a></b></font></td><td><font size="-1">Disable PMC interrupt</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM9261_h.html#AT91F_CKGR_CfgMainOscStartUpTime">AT91F_CKGR_CfgMainOscStartUpTime</a></b></font></td><td><font size="-1">Cfg MOR Register according to the main osc startup time</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM9261_h.html#AT91F_PMC_EnableHCK">AT91F_PMC_EnableHCK</a></b></font></td><td><font size="-1">Enable AHB peripheral clock</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM9261_h.html#AT91F_CKGR_DisablePLLAOutput">AT91F_CKGR_DisablePLLAOutput</a></b></font></td><td><font size="-1">Disable the PLLA output</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM9261_h.html#AT91F_CKGR_DisablePLLA">AT91F_CKGR_DisablePLLA</a></b></font></td><td><font size="-1">Disable the PLLA input and output for conso reduction</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM9261_h.html#AT91F_PMC_CfgMCKReg">AT91F_PMC_CfgMCKReg</a></b></font></td><td><font size="-1">Cfg Master Clock Register</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM9261_h.html#AT91F_CKGR_DisablePLLB">AT91F_CKGR_DisablePLLB</a></b></font></td><td><font size="-1">Disable the PLLB input and output for conso reduction</font></td></tr>
</null></table></null><h2>PMC Register Description</h2>
<null><a name="PMC_SCER"></a><h4><a href="#PMC">PMC</a>: <i><a href="AT91SAM9261_h.html#AT91_REG">AT91_REG</a></i> PMC_SCER  <i>System Clock Enable Register</i></h4><ul><null><font size="-2"><li><b>PMC</b> <i><a href="AT91SAM9261_h.html#AT91C_PMC_SCER">AT91C_PMC_SCER</a></i> 0xFFFFFC00</font></null></ul><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="PMC_PCK"></a><b>PMC_PCK</b><font size="-2"><br><a href="AT91SAM9261_h.html#AT91C_PMC_PCK">AT91C_PMC_PCK</a></font></td><td><b>Processor Clock</b><br>0 = The processor clock is disabled<br>1 = The processor clock is enabled</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">6</td><td align="CENTER"><a name="PMC_UHP"></a><b>PMC_UHP</b><font size="-2"><br><a href="AT91SAM9261_h.html#AT91C_PMC_UHP">AT91C_PMC_UHP</a></font></td><td><b>USB Host Port Clock</b><br>0 = The 12/48 MHz clock of the USB Host Port is disabled.<br>1 = The 12/48 MHz clock of the USB Host Port is enabled.</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">7</td><td align="CENTER"><a name="PMC_UDP"></a><b>PMC_UDP</b><font size="-2"><br><a href="AT91SAM9261_h.html#AT91C_PMC_UDP">AT91C_PMC_UDP</a></font></td><td><b>USB Device Port Clock</b><br>0 = The 48 MHz clock of the USB Device Port is disabled<br>1 = The 48 MHz clock of the USB Device Port is enabled</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">8</td><td align="CENTER"><a name="PMC_PCK0"></a><b>PMC_PCK0</b><font size="-2"><br><a href="AT91SAM9261_h.html#AT91C_PMC_PCK0">AT91C_PMC_PCK0</a></font></td><td><b>Programmable Clock Output</b><br>0 = The corresponding programmable clock output is disabled.<br>1 = The corresponding programmable clock output is enabled.</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">9</td><td align="CENTER"><a name="PMC_PCK1"></a><b>PMC_PCK1</b><font size="-2"><br><a href="AT91SAM9261_h.html#AT91C_PMC_PCK1">AT91C_PMC_PCK1</a></font></td><td><b>Programmable Clock Output</b><br>0 = The corresponding programmable clock output is disabled.<br>1 = The corresponding programmable clock output is enabled.</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">10</td><td align="CENTER"><a name="PMC_PCK2"></a><b>PMC_PCK2</b><font size="-2"><br><a href="AT91SAM9261_h.html#AT91C_PMC_PCK2">AT91C_PMC_PCK2</a></font></td><td><b>Programmable Clock Output</b><br>0 = The corresponding programmable clock output is disabled.<br>1 = The corresponding programmable clock output is enabled.</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">11</td><td align="CENTER"><a name="PMC_PCK3"></a><b>PMC_PCK3</b><font size="-2"><br><a href="AT91SAM9261_h.html#AT91C_PMC_PCK3">AT91C_PMC_PCK3</a></font></td><td><b>Programmable Clock Output</b><br>0 = The corresponding programmable clock output is disabled.<br>1 = The corresponding programmable clock output is enabled.</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">16</td><td align="CENTER"><a name="PMC_HCK0"></a><b>PMC_HCK0</b><font size="-2"><br><a href="AT91SAM9261_h.html#AT91C_PMC_HCK0">AT91C_PMC_HCK0</a></font></td><td><b>AHB UHP Clock Output</b><br>0 = The corresponding AHB UHP clock output is disabled.<br>1 = The corresponding AHB UHP clock output is enabled.</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">17</td><td align="CENTER"><a name="PMC_HCK1"></a><b>PMC_HCK1</b><font size="-2"><br><a href="AT91SAM9261_h.html#AT91C_PMC_HCK1">AT91C_PMC_HCK1</a></font></td><td><b>AHB LCDC Clock Output</b><br>0 = The corresponding AHB LCDC clock output is disabled.<br>1 = The corresponding AHB LCDC clock output is enabled.</td></tr>
</null></table>
<a name="PMC_SCDR"></a><h4><a href="#PMC">PMC</a>: <i><a href="AT91SAM9261_h.html#AT91_REG">AT91_REG</a></i> PMC_SCDR  <i>System Clock Disable Register</i></h4><ul><null><font size="-2"><li><b>PMC</b> <i><a href="AT91SAM9261_h.html#AT91C_PMC_SCDR">AT91C_PMC_SCDR</a></i> 0xFFFFFC04</font></null></ul><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="PMC_PCK"></a><b>PMC_PCK</b><font size="-2"><br><a href="AT91SAM9261_h.html#AT91C_PMC_PCK">AT91C_PMC_PCK</a></font></td><td><b>Processor Clock</b><br>0 = The processor clock is disabled<br>1 = The processor clock is enabled</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">6</td><td align="CENTER"><a name="PMC_UHP"></a><b>PMC_UHP</b><font size="-2"><br><a href="AT91SAM9261_h.html#AT91C_PMC_UHP">AT91C_PMC_UHP</a></font></td><td><b>USB Host Port Clock</b><br>0 = The 12/48 MHz clock of the USB Host Port is disabled.<br>1 = The 12/48 MHz clock of the USB Host Port is enabled.</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">7</td><td align="CENTER"><a name="PMC_UDP"></a><b>PMC_UDP</b><font size="-2"><br><a href="AT91SAM9261_h.html#AT91C_PMC_UDP">AT91C_PMC_UDP</a></font></td><td><b>USB Device Port Clock</b><br>0 = The 48 MHz clock of the USB Device Port is disabled<br>1 = The 48 MHz clock of the USB Device Port is enabled</td></tr>