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<h1>Power Management Controler Peripheral</h1>
<null><a name="PMC"></a><b>PMC</b> <i><font size="-1">(<a href="AT91SAM7S256_h.html#AT91S_PMC">AT91S_PMC</a>)</font></i><b> 0xFFFFFC00 </b><i><font size="-1">(<a href="AT91SAM7S256_h.html#AT91C_BASE_PMC">AT91C_BASE_PMC</a>)</font></i>
<table border=1 cellpadding=3 cellspacing=0><null><th bgcolor="#FFFFCC"><font size="-1">Periph ID <a href="#AIC">AIC</a></font></th><th bgcolor="#FFFFCC"><font size="-1">Symbol</font></th><th bgcolor="#FFFFCC"><font size="-1">Description</font></th><tr><td bgcolor="#FFFFCC"><font size="-1"><b>1</b> </font></td><td><font size="-1"><i><font size="-1">(<a href="AT91SAM7S256_h.html#AT91C_ID_SYS">AT91C_ID_SYS</a>)</font></i></font></td><td><font size="-1">System Peripheral</font></td></tr>
</null></table><br><table border=1 cellpadding=3 cellspacing=0><null><th bgcolor="#FFFFCC"><font size="-1"><b>Signal</b></font></th><th bgcolor="#FFFFCC"><font size="-1"><b>Symbol</b></font></th><th bgcolor="#FFFFCC"><font size="-1"><b>PIO controller</b></font></th><th bgcolor="#FFFFCC"><font size="-1"><b>Description</b>
</font></th><tr><td bgcolor="#FFFFCC"><font size="-1"><b>PCK1</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PA17_PCK1 ">AT91C_PA17_PCK1 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: B Bit: 17</font></td><td><font size="-1">PMC Programmable Clock Output 1</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>PCK1</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PA21_PCK1 ">AT91C_PA21_PCK1 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: B Bit: 21</font></td><td><font size="-1">PMC Programmable Clock Output 1</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>PCK2</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PA31_PCK2 ">AT91C_PA31_PCK2 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: B Bit: 31</font></td><td><font size="-1">PMC Programmable Clock Output 2</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>PCK2</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PA18_PCK2 ">AT91C_PA18_PCK2 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: B Bit: 18</font></td><td><font size="-1">PMC Programmable Clock Output 2</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>PCK0</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PA6_PCK0 ">AT91C_PA6_PCK0 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: B Bit: 6</font></td><td><font size="-1">PMC Programmable Clock Output 0</font></td></tr>
</null></table><br><table border=1 cellpadding=0 cellspacing=0 width="100%"><null><th bgcolor="#FFFFCC"><font size="-1"><b>Function</b></font></th><th bgcolor="#FFFFCC"><font size="-1"><b>Description</b></font></th><tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM7S256_h.html#AT91F_PMC_CfgPMC">AT91F_PMC_CfgPMC</a></b></font></td><td><font size="-1">Enable Peripheral clock in PMC for PMC</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM7S256_h.html#AT91F_PMC_CfgPIO">AT91F_PMC_CfgPIO</a></b></font></td><td><font size="-1">Configure PIO controllers to drive PMC signals</font></td></tr>
</null></table><br><br></null><a name="PMC"></a><h2>PMC Software API <i><font size="-1">(<a href="AT91SAM7S256_h.html#AT91S_PMC">AT91S_PMC</a>)</font></i></h2>
<a name="PMC"></a><null><table border=1 cellpadding=0 cellspacing=0 width="100%"><null><th bgcolor="#FFFFCC"><font size="-1"><b>Offset</b></font></th><th bgcolor="#FFFFCC"><font size="-1"><b>Field</b></font></th><th bgcolor="#FFFFCC"><font size="-1"><b>Description</b></font></th>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x0</b></font></td><td><font size="-1"><a href="AT91SAM7S256_PMC.html#PMC_SCER">PMC_SCER</a></font></td><td><font size="-1">System Clock Enable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x4</b></font></td><td><font size="-1"><a href="AT91SAM7S256_PMC.html#PMC_SCDR">PMC_SCDR</a></font></td><td><font size="-1">System Clock Disable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x8</b></font></td><td><font size="-1"><a href="AT91SAM7S256_PMC.html#PMC_SCSR">PMC_SCSR</a></font></td><td><font size="-1">System Clock Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x10</b></font></td><td><font size="-1"><a href="AT91SAM7S256_PMC.html#PMC_PCER">PMC_PCER</a></font></td><td><font size="-1">Peripheral Clock Enable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x14</b></font></td><td><font size="-1"><a href="AT91SAM7S256_PMC.html#PMC_PCDR">PMC_PCDR</a></font></td><td><font size="-1">Peripheral Clock Disable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x18</b></font></td><td><font size="-1"><a href="AT91SAM7S256_PMC.html#PMC_PCSR">PMC_PCSR</a></font></td><td><font size="-1">Peripheral Clock Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x20</b></font></td><td><font size="-1">PMC_MOR (<a href="AT91SAM7S256_PMC.html#CKGR_MOR">CKGR_MOR</a>)</font></td><td><font size="-1">Main Oscillator Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x24</b></font></td><td><font size="-1">PMC_MCFR (<a href="AT91SAM7S256_PMC.html#CKGR_MCFR">CKGR_MCFR</a>)</font></td><td><font size="-1">Main Clock Frequency Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x2C</b></font></td><td><font size="-1">PMC_PLLR (<a href="AT91SAM7S256_PMC.html#CKGR_PLLR">CKGR_PLLR</a>)</font></td><td><font size="-1">PLL Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x30</b></font></td><td><font size="-1"><a href="AT91SAM7S256_PMC.html#PMC_MCKR">PMC_MCKR</a></font></td><td><font size="-1">Master Clock Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x40</b></font></td><td><font size="-1">PMC_PCKR[3] (<a href="AT91SAM7S256_PMC.html#PMC_PCKR">PMC_PCKR</a>)</font></td><td><font size="-1">Programmable Clock Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x60</b></font></td><td><font size="-1"><a href="AT91SAM7S256_PMC.html#PMC_IER">PMC_IER</a></font></td><td><font size="-1">Interrupt Enable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x64</b></font></td><td><font size="-1"><a href="AT91SAM7S256_PMC.html#PMC_IDR">PMC_IDR</a></font></td><td><font size="-1">Interrupt Disable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x68</b></font></td><td><font size="-1"><a href="AT91SAM7S256_PMC.html#PMC_SR">PMC_SR</a></font></td><td><font size="-1">Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x6C</b></font></td><td><font size="-1"><a href="AT91SAM7S256_PMC.html#PMC_IMR">PMC_IMR</a></font></td><td><font size="-1">Interrupt Mask Register</font></td></tr>
</null></table><br><table border=1 cellpadding=0 cellspacing=0 width="100%"><null><th bgcolor="#FFFFCC"><font size="-1"><b>Function</b></font></th><th bgcolor="#FFFFCC"><font size="-1"><b>Description</b></font></th><tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM7S256_h.html#AT91F_PMC_GetInterruptMaskStatus">AT91F_PMC_GetInterruptMaskStatus</a></b></font></td><td><font size="-1">Return PMC Interrupt Mask Status</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM7S256_h.html#AT91F_CKGR_GetPLLReg">AT91F_CKGR_GetPLLReg</a></b></font></td><td><font size="-1">Get the PLL Register</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM7S256_h.html#AT91F_CKGR_DisableMainOscillator">AT91F_CKGR_DisableMainOscillator</a></b></font></td><td><font size="-1">Disable the main oscillator</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM7S256_h.html#AT91F_CKGR_GetMainOscillatorReg">AT91F_CKGR_GetMainOscillatorReg</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_AT91SAM7S256_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_AT91SAM7S256_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_AT91SAM7S256_h.html#AT91F_CKGR_GetMainClock">AT91F_CKGR_GetMainClock</a></b></font></td><td><font size="-1">Return Main clock in Hz</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM7S256_h.html#AT91F_PMC_CfgSysClkDisableReg">AT91F_PMC_CfgSysClkDisableReg</a></b></font></td><td><font size="-1">Configure the System Clock Disable Register of the PMC controller</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM7S256_h.html#AT91F_PMC_DisablePeriphClock">AT91F_PMC_DisablePeriphClock</a></b></font></td><td><font size="-1">Disable peripheral clock</font></td></tr>
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