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<title>Hardware API Selector: AT91SAM7X256 Definitions</title>
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<h1>Control Area Network MailBox Interface Peripheral</h1>
<null><a name="CAN_MB0"></a><b>CAN_MB0</b> <i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91S_CAN_MB">AT91S_CAN_MB</a>)</font></i><b> 0xFFFD0200 </b><i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91C_BASE_CAN_MB0">AT91C_BASE_CAN_MB0</a>)</font></i>
<br><a name="CAN_MB1"></a><b>CAN_MB1</b> <i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91S_CAN_MB">AT91S_CAN_MB</a>)</font></i><b> 0xFFFD0220 </b><i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91C_BASE_CAN_MB1">AT91C_BASE_CAN_MB1</a>)</font></i>
<br><a name="CAN_MB2"></a><b>CAN_MB2</b> <i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91S_CAN_MB">AT91S_CAN_MB</a>)</font></i><b> 0xFFFD0240 </b><i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91C_BASE_CAN_MB2">AT91C_BASE_CAN_MB2</a>)</font></i>
<br><a name="CAN_MB3"></a><b>CAN_MB3</b> <i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91S_CAN_MB">AT91S_CAN_MB</a>)</font></i><b> 0xFFFD0260 </b><i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91C_BASE_CAN_MB3">AT91C_BASE_CAN_MB3</a>)</font></i>
<br><a name="CAN_MB4"></a><b>CAN_MB4</b> <i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91S_CAN_MB">AT91S_CAN_MB</a>)</font></i><b> 0xFFFD0280 </b><i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91C_BASE_CAN_MB4">AT91C_BASE_CAN_MB4</a>)</font></i>
<br><a name="CAN_MB5"></a><b>CAN_MB5</b> <i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91S_CAN_MB">AT91S_CAN_MB</a>)</font></i><b> 0xFFFD02A0 </b><i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91C_BASE_CAN_MB5">AT91C_BASE_CAN_MB5</a>)</font></i>
<br><a name="CAN_MB6"></a><b>CAN_MB6</b> <i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91S_CAN_MB">AT91S_CAN_MB</a>)</font></i><b> 0xFFFD02C0 </b><i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91C_BASE_CAN_MB6">AT91C_BASE_CAN_MB6</a>)</font></i>
<br><a name="CAN_MB7"></a><b>CAN_MB7</b> <i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91S_CAN_MB">AT91S_CAN_MB</a>)</font></i><b> 0xFFFD02E0 </b><i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91C_BASE_CAN_MB7">AT91C_BASE_CAN_MB7</a>)</font></i>
<br></null><a name="CAN_MB"></a><h2>CAN_MB Software API <i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91S_CAN_MB">AT91S_CAN_MB</a>)</font></i></h2>
<a name="CAN_MB"></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">CAN_MB_MMR (<a href="AT91SAM7X256_CAN_MB.html#CAN_MMR">CAN_MMR</a>)</font></td><td><font size="-1">MailBox Mode Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x4</b></font></td><td><font size="-1">CAN_MB_MAM (<a href="AT91SAM7X256_CAN_MB.html#CAN_MAM">CAN_MAM</a>)</font></td><td><font size="-1">MailBox Acceptance Mask Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x8</b></font></td><td><font size="-1">CAN_MB_MID (<a href="AT91SAM7X256_CAN_MB.html#CAN_MID">CAN_MID</a>)</font></td><td><font size="-1">MailBox ID Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xC</b></font></td><td><font size="-1">CAN_MB_MFID (<a href="AT91SAM7X256_CAN_MB.html#CAN_MFID">CAN_MFID</a>)</font></td><td><font size="-1">MailBox Family ID Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x10</b></font></td><td><font size="-1">CAN_MB_MSR (<a href="AT91SAM7X256_CAN_MB.html#CAN_MSR">CAN_MSR</a>)</font></td><td><font size="-1">MailBox Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x14</b></font></td><td><font size="-1">CAN_MB_MDL (<a href="AT91SAM7X256_CAN_MB.html#CAN_MDL">CAN_MDL</a>)</font></td><td><font size="-1">MailBox Data Low Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x18</b></font></td><td><font size="-1">CAN_MB_MDH (<a href="AT91SAM7X256_CAN_MB.html#CAN_MDH">CAN_MDH</a>)</font></td><td><font size="-1">MailBox Data High Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x1C</b></font></td><td><font size="-1">CAN_MB_MCR (<a href="AT91SAM7X256_CAN_MB.html#CAN_MCR">CAN_MCR</a>)</font></td><td><font size="-1">MailBox Control Register</font></td></tr>
</null></table><br></null><h2>CAN_MB Register Description</h2>
<null><a name="CAN_MMR"></a><h4><a href="#CAN_MB">CAN_MB</a>: <i><a href="AT91SAM7X256_h.html#AT91_REG">AT91_REG</a></i> CAN_MMR <i>MailBox Mode Register</i></h4><ul><null><font size="-2"><li><b>CAN_MB0</b> <i><a href="AT91SAM7X256_h.html#AT91C_CAN_MB0_MMR">AT91C_CAN_MB0_MMR</a></i> 0xFFFD0200</font><font size="-2"><li><b>CAN_MB1</b> <i><a href="AT91SAM7X256_h.html#AT91C_CAN_MB1_MMR">AT91C_CAN_MB1_MMR</a></i> 0xFFFD0220</font><font size="-2"><li><b>CAN_MB2</b> <i><a href="AT91SAM7X256_h.html#AT91C_CAN_MB2_MMR">AT91C_CAN_MB2_MMR</a></i> 0xFFFD0240</font><font size="-2"><li><b>CAN_MB3</b> <i><a href="AT91SAM7X256_h.html#AT91C_CAN_MB3_MMR">AT91C_CAN_MB3_MMR</a></i> 0xFFFD0260</font><font size="-2"><li><b>CAN_MB4</b> <i><a href="AT91SAM7X256_h.html#AT91C_CAN_MB4_MMR">AT91C_CAN_MB4_MMR</a></i> 0xFFFD0280</font><font size="-2"><li><b>CAN_MB5</b> <i><a href="AT91SAM7X256_h.html#AT91C_CAN_MB5_MMR">AT91C_CAN_MB5_MMR</a></i> 0xFFFD02A0</font><font size="-2"><li><b>CAN_MB6</b> <i><a href="AT91SAM7X256_h.html#AT91C_CAN_MB6_MMR">AT91C_CAN_MB6_MMR</a></i> 0xFFFD02C0</font><font size="-2"><li><b>CAN_MB7</b> <i><a href="AT91SAM7X256_h.html#AT91C_CAN_MB7_MMR">AT91C_CAN_MB7_MMR</a></i> 0xFFFD02E0</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">15..0</td><td align="CENTER"><a name="CAN_MTIMEMARK"></a><b>CAN_MTIMEMARK</b><font size="-2"><br><a href="AT91SAM7X256_h.html#AT91C_CAN_MTIMEMARK">AT91C_CAN_MTIMEMARK</a></font></td><td><b>Mailbox Timemark</b></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">19..16</td><td align="CENTER"><a name="CAN_PRIOR"></a><b>CAN_PRIOR</b><font size="-2"><br><a href="AT91SAM7X256_h.html#AT91C_CAN_PRIOR">AT91C_CAN_PRIOR</a></font></td><td><b>Mailbox Priority</b></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">26..24</td><td align="CENTER"><a name="CAN_MOT"></a><b>CAN_MOT</b><font size="-2"><br><a href="AT91SAM7X256_h.html#AT91C_CAN_MOT">AT91C_CAN_MOT</a></font></td><td><b>Mailbox Object Type</b><font size="-1"><table bgcolor="#E3F2FF" border=1 cellpadding=0 cellspacing=0 width="100%"><null><th><b>Value</b></th><th><b>Label</b></th><th><b>Description</b></th><tr><td align="CENTER">0</td><td align="CENTER"><a name="CAN_MOT_DIS"></a><b>CAN_MOT_DIS</b><font size="-1"><br><a href="AT91SAM7X256_h.html#AT91C_CAN_MOT_DIS">AT91C_CAN_MOT_DIS</a></font></td><td></td></tr>
<tr><td align="CENTER">1</td><td align="CENTER"><a name="CAN_MOT_RX"></a><b>CAN_MOT_RX</b><font size="-1"><br><a href="AT91SAM7X256_h.html#AT91C_CAN_MOT_RX">AT91C_CAN_MOT_RX</a></font></td><td></td></tr>
<tr><td align="CENTER">2</td><td align="CENTER"><a name="CAN_MOT_RXOVERWRITE"></a><b>CAN_MOT_RXOVERWRITE</b><font size="-1"><br><a href="AT91SAM7X256_h.html#AT91C_CAN_MOT_RXOVERWRITE">AT91C_CAN_MOT_RXOVERWRITE</a></font></td><td></td></tr>
<tr><td align="CENTER">3</td><td align="CENTER"><a name="CAN_MOT_TX"></a><b>CAN_MOT_TX</b><font size="-1"><br><a href="AT91SAM7X256_h.html#AT91C_CAN_MOT_TX">AT91C_CAN_MOT_TX</a></font></td><td></td></tr>
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