at91sam9260_isi.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 align="CENTER" bgcolor="#FFFFCC">1</td><td align="CENTER"><a name="ISI_DIS"></a><b>ISI_DIS</b><font size="-2"><br><a href="AT91SAM9260_h.html#AT91C_ISI_DIS">AT91C_ISI_DIS</a></font></td><td><b>Image Sensor Interface disable</b><br>0 = The Image Sensor Interface is enabled; 1:The Image sensor interface is disabled and stops capturing data.</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">2</td><td align="CENTER"><a name="ISI_SOFTRST"></a><b>ISI_SOFTRST</b><font size="-2"><br><a href="AT91SAM9260_h.html#AT91C_ISI_SOFTRST">AT91C_ISI_SOFTRST</a></font></td><td><b>Software Reset</b><br>0 : Software reset not asserted or not completed, 1 : Software reset has completed successfully</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">4</td><td align="CENTER"><a name="ISI_CRC_ERR"></a><b>ISI_CRC_ERR</b><font size="-2"><br><a href="AT91SAM9260_h.html#AT91C_ISI_CRC_ERR">AT91C_ISI_CRC_ERR</a></font></td><td><b>CRC synchronisation error</b><br>1: CRC_SYNC is enabled in the control register and an error has been detected and not corrected. The frame is discarded and the ISI waits for a new one.</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">5</td><td align="CENTER"><a name="ISI_FO_C_OVF"></a><b>ISI_FO_C_OVF</b><font size="-2"><br><a href="AT91SAM9260_h.html#AT91C_ISI_FO_C_OVF">AT91C_ISI_FO_C_OVF</a></font></td><td><b>Fifo Codec Overflow </b><br>1: An overrun condition has occurred in input FIFO on the codec path.</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">6</td><td align="CENTER"><a name="ISI_FO_P_OVF"></a><b>ISI_FO_P_OVF</b><font size="-2"><br><a href="AT91SAM9260_h.html#AT91C_ISI_FO_P_OVF">AT91C_ISI_FO_P_OVF</a></font></td><td><b>Fifo Preview Overflow </b><br>1: An overrun condition has occurred in input FIFO on the preview path.</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">7</td><td align="CENTER"><a name="ISI_FO_P_EMP"></a><b>ISI_FO_P_EMP</b><font size="-2"><br><a href="AT91SAM9260_h.html#AT91C_ISI_FO_P_EMP">AT91C_ISI_FO_P_EMP</a></font></td><td><b>Fifo Preview Empty</b><br>1: 1:The DMA has finished transferring all the contents of the preview FIFO.</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">8</td><td align="CENTER"><a name="ISI_FO_C_EMP"></a><b>ISI_FO_C_EMP</b><font size="-2"><br><a href="AT91SAM9260_h.html#AT91C_ISI_FO_C_EMP">AT91C_ISI_FO_C_EMP</a></font></td><td><b>Fifo Codec Empty</b><br>1: 1:The DMA has finished transferring all the contents of the Codec FIFO.</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">9</td><td align="CENTER"><a name="ISI_FR_OVR"></a><b>ISI_FR_OVR</b><font size="-2"><br><a href="AT91SAM9260_h.html#AT91C_ISI_FR_OVR">AT91C_ISI_FR_OVR</a></font></td><td><b>Frame rate overun</b><br>0: No Frame overrun, 1: Frame overrun, the current frame is being skipped because a vsync signal has been detected while flushing FIFOs.</td></tr>
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<a name="ISI_PSIZE"></a><h4><a href="#ISI">ISI</a>: <i><a href="AT91SAM9260_h.html#AT91_REG">AT91_REG</a></i> ISI_PSIZE  <i>Preview Size Register</i></h4><ul><null><font size="-2"><li><b>HISI</b> <i><a href="AT91SAM9260_h.html#AT91C_HISI_PSIZE">AT91C_HISI_PSIZE</a></i> 0xFFFC0020</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">9..0</td><td align="CENTER"><a name="ISI_PREV_VSIZE"></a><b>ISI_PREV_VSIZE</b><font size="-2"><br><a href="AT91SAM9260_h.html#AT91C_ISI_PREV_VSIZE">AT91C_ISI_PREV_VSIZE</a></font></td><td><b>Vertical size for the preview path</b><br>Vertical Preview size = PREV_VSIZE + 1 (480 max)</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">25..16</td><td align="CENTER"><a name="ISI_PREV_HSIZE"></a><b>ISI_PREV_HSIZE</b><font size="-2"><br><a href="AT91SAM9260_h.html#AT91C_ISI_PREV_HSIZE">AT91C_ISI_PREV_HSIZE</a></font></td><td><b>Horizontal size for the preview path</b><br>Horizontal Preview size = PREV_HSIZE + 1 (640 max)</td></tr>
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<a name="ISI_PDECF"></a><h4><a href="#ISI">ISI</a>: <i><a href="AT91SAM9260_h.html#AT91_REG">AT91_REG</a></i> ISI_PDECF  <i>Preview Decimation Factor Register</i></h4><ul><null><font size="-2"><li><b>HISI</b> <i><a href="AT91SAM9260_h.html#AT91C_HISI_PDECF">AT91C_HISI_PDECF</a></i> 0xFFFC0024</font></null></ul><br>DEC_FACTOR is 8-bit width, range is from 16 to 255. Values from 0 to 16 do not perform any decimation.<a name="ISI_PFBD"></a><h4><a href="#ISI">ISI</a>: <i><a href="AT91SAM9260_h.html#AT91_REG">AT91_REG</a></i> ISI_PFBD  <i>Preview Frame Buffer Address Register</i></h4><ul><null><font size="-2"><li><b>HISI</b> <i><a href="AT91SAM9260_h.html#AT91C_HISI_PFBD">AT91C_HISI_PFBD</a></i> 0xFFFC0028</font></null></ul><br>Written with the address of the start of the preview frame buffer queue, reads as a pointer to the current buffer being used.<a name="ISI_CDBA"></a><h4><a href="#ISI">ISI</a>: <i><a href="AT91SAM9260_h.html#AT91_REG">AT91_REG</a></i> ISI_CDBA  <i>Codec Dma Address Register</i></h4><ul><null><font size="-2"><li><b>HISI</b> <i><a href="AT91SAM9260_h.html#AT91C_HISI_CDBA">AT91C_HISI_CDBA</a></i> 0xFFFC002C</font></null></ul><br>This register contains codec datapath start address of buffer location.<a name="ISI_Y2RSET0"></a><h4><a href="#ISI">ISI</a>: <i><a href="AT91SAM9260_h.html#AT91_REG">AT91_REG</a></i> ISI_Y2RSET0  <i>Color Space Conversion Register</i></h4><ul><null><font size="-2"><li><b>HISI</b> <i><a href="AT91SAM9260_h.html#AT91C_HISI_Y2RSET0">AT91C_HISI_Y2RSET0</a></i> 0xFFFC0030</font></null></ul><br>Color Space Conversion YCrCb to RGB set 0 register<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">7..0</td><td align="CENTER"><a name="ISI_Y2R_C0"></a><b>ISI_Y2R_C0</b><font size="-2"><br><a href="AT91SAM9260_h.html#AT91C_ISI_Y2R_C0">AT91C_ISI_Y2R_C0</a></font></td><td><b>Color Space Conversion Matrix Coefficient C0</b><br>C0 element, default step is 1/128, range from 0 to 1.9921875</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">15..8</td><td align="CENTER"><a name="ISI_Y2R_C1"></a><b>ISI_Y2R_C1</b><font size="-2"><br><a href="AT91SAM9260_h.html#AT91C_ISI_Y2R_C1">AT91C_ISI_Y2R_C1</a></font></td><td><b>Color Space Conversion Matrix Coefficient C1</b><br>C1 element, default step is 1/128, range from 0 to 1.9921875</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">23..16</td><td align="CENTER"><a name="ISI_Y2R_C2"></a><b>ISI_Y2R_C2</b><font size="-2"><br><a href="AT91SAM9260_h.html#AT91C_ISI_Y2R_C2">AT91C_ISI_Y2R_C2</a></font></td><td><b>Color Space Conversion Matrix Coefficient C2</b><br>C2 element, default step is 1/128, range from 0 to 1.9921875</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">31..24</td><td align="CENTER"><a name="ISI_Y2R_C3"></a><b>ISI_Y2R_C3</b><font size="-2"><br><a href="AT91SAM9260_h.html#AT91C_ISI_Y2R_C3">AT91C_ISI_Y2R_C3</a></font></td><td><b>Color Space Conversion Matrix Coefficient C3</b><br>C3 element, default step is 1/128, range from 0 to 1.9921875</td></tr>
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<a name="ISI_Y2RSET1"></a><h4><a href="#ISI">ISI</a>: <i><a href="AT91SAM9260_h.html#AT91_REG">AT91_REG</a></i> ISI_Y2RSET1  <i>Color Space Conversion Register</i></h4><ul><null><font size="-2"><li><b>HISI</b> <i><a href="AT91SAM9260_h.html#AT91C_HISI_Y2RSET1">AT91C_HISI_Y2RSET1</a></i> 0xFFFC0034</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">8..0</td><td align="CENTER"><a name="ISI_Y2R_C4"></a><b>ISI_Y2R_C4</b><font size="-2"><br><a href="AT91SAM9260_h.html#AT91C_ISI_Y2R_C4">AT91C_ISI_Y2R_C4</a></font></td><td><b>Color Space Conversion Matrix Coefficient C4</b><br>C4 element default step is 1/128, range from 0 to 3.9921875</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">19..12</td><td align="CENTER"><a name="ISI_Y2R_YOFF"></a><b>ISI_Y2R_YOFF</b><font size="-2"><br><a href="AT91SAM9260_h.html#AT91C_ISI_Y2R_YOFF">AT91C_ISI_Y2R_YOFF</a></font></td><td><b>Color Space Conversion Luninance default offset</b><br>Yoff is set to 1 implies 128, Yoff is set to 0 implies 0</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">20..13</td><td align="CENTER"><a name="ISI_Y2R_CROFF"></a><b>ISI_Y2R_CROFF</b><font size="-2"><br><a href="AT91SAM9260_h.html#AT91C_ISI_Y2R_CROFF">AT91C_ISI_Y2R_CROFF</a></font></td><td><b>Color Space Conversion Red Chrominance default offset</b><br>Croff is set to 1 implies 16, Croff is set to 0 implies 0</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">21..14</td><td align="CENTER"><a name="ISI_Y2R_CBFF"></a><b>ISI_Y2R_CBFF</b><font size="-2"><br><a href="AT91SAM9260_h.html#AT91C_ISI_Y2R_CBFF">AT91C_ISI_Y2R_CBFF</a></font></td><td><b>Color Space Conversion Luninance default offset</b><br>Cboff is set to 1 implies 16, Croff is set to 0 implies 0</td></tr>
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<a name="ISI_R2YSET0"></a><h4><a href="#ISI">ISI</a>: <i><a href="AT91SAM9260_h.html#AT91_REG">AT91_REG</a></i> ISI_R2YSET0  <i>Color Space Conversion Register</i></h4><ul><null><font size="-2"><li><b>HISI</b> <i><a href="AT91SAM9260_h.html#AT91C_HISI_R2YSET0">AT91C_HISI_R2YSET0</a></i> 0xFFFC0038</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">6..0</td><td align="CENTER"><a name="ISI_R2Y_C0"></a><b>ISI_R2Y_C0</b><font size="-2"><br><a href="AT91SAM9260_h.html#AT91C_ISI_R2Y_C0">AT91C_ISI_R2Y_C0</a></font></td><td><b>Color Space Conversion RGB to YCrCb Matrix coefficient C0</b><br>C0 element default step is 1/256, from 0 to 0.49609375</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">7..1</td><td align="CENTER"><a name="ISI_R2Y_C1"></a><b>ISI_R2Y_C1</b><font size="-2"><br><a href="AT91SAM9260_h.html#AT91C_ISI_R2Y_C1">AT91C_ISI_R2Y_C1</a></font></td><td><b>Color Space Conversion RGB to YCrCb Matrix coefficient C1</b><br>C1 element default step is 1/128, from 0 to 0.9921875</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">9..3</td><td align="CENTER"><a name="ISI_R2Y_C2"></a><b>ISI_R2Y_C2</b><font size="-2"><br><a href="AT91SAM9260_h.html#AT91C_ISI_R2Y_C2">AT91C_ISI_R2Y_C2</a></font></td><td><b>Color Space Conversion RGB to YCrCb Matrix coefficient C2</b><br>C2 element default step is 1/512, from 0 to 0.2480468875</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">4</td><td align="CENTER"><a name="ISI_R2Y_ROFF"></a><b>ISI_R2Y_ROFF</b><font size="-2"><br><a href="AT91SAM9260_h.html#AT91C_ISI_R2Y_ROFF">AT91C_ISI_R2Y_ROFF</a></font></td><td><b>Color Space Conversion Red component offset</b><br>Roff is set to 1 implies 16, Roff is set to 0 implies 0</td></tr>
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<a name="ISI_R2YSET1"></a><h4><a href="#ISI">ISI</a>: <i><a href="AT91SAM9260_h.html#AT91_REG">AT91_REG</a></i> ISI_R2YSET1  <i>Color Space Conversion Register</i></h4><ul><null><font size="-2"><li><b>HISI</b> <i><a href="AT91SAM9260_h.html#AT91C_HISI_R2YSET1">AT91C_HISI_R2YSET1</a></i> 0xFFFC003C</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">6..0</td><td align="CENTER"><a name="ISI_R2Y_C3"></a><b>ISI_R2Y_C3</b><font size="-2"><br><a href="AT91SAM9260_h.html#AT91C_ISI_R2Y_C3">AT91C_ISI_R2Y_C3</a></font></td><td><b>Color Space Conversion RGB to YCrCb Matrix coefficient C3</b><br>C3 element default step is 1/128, range from 0 to 0.9921875</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">7..1</td><td align="CENTER"><a name="ISI_R2Y_C4"></a><b>ISI_R2Y_C4</b><font size="-2"><br><a href="AT91SAM9260_h.html#AT91C_ISI_R2Y_C4">AT91C_ISI_R2Y_C4</a></font></td><td><b>Color Space Conversion RGB to YCrCb Matrix coefficient C4</b><br>C1 element default step is 1/256, range from 0 to 0.49609375</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">9..3</td><td align="CENTER"><a name="ISI_R2Y_C5"></a><b>ISI_R2Y_C5</b><font size="-2"><br><a href="AT91SAM9260_h.html#AT91C_ISI_R2Y_C5">AT91C_ISI_R2Y_C5</a></font></td><td><b>Color Space Conversion RGB to YCrCb Matrix coefficient C5</b><br>C1 element default step is 1/512, range from 0 to 0.2480468875</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">4</td><td align="CENTER"><a name="ISI_R2Y_GOFF"></a><b>ISI_R2Y_GOFF</b><font size="-2"><br><a href="AT91SAM9260_h.html#AT91C_ISI_R2Y_GOFF">AT91C_ISI_R2Y_GOFF</a></font></td><td><b>Color Space Conversion Green component offset</b><br>GOFF is set to 1 implies 128, GOFF is set to 0 implies 0</td></tr>
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<a name="ISI_R2YSET2"></a><h4><a href="#ISI">ISI</a>: <i><a href="AT91SAM9260_h.html#AT91_REG">AT91_REG</a></i> ISI_R2YSET2  <i>Color Space Conversion Register</i></h4><ul><null><font size="-2"><li><b>HISI</b> <i><a href="AT91SAM9260_h.html#AT91C_HISI_R2YSET2">AT91C_HISI_R2YSET2</a></i> 0xFFFC0040</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">6..0</td><td align="CENTER"><a name="ISI_R2Y_C6"></a><b>ISI_R2Y_C6</b><font size="-2"><br><a href="AT91SAM9260_h.html#AT91C_ISI_R2Y_C6">AT91C_ISI_R2Y_C6</a></font></td><td><b>Color Space Conversion RGB to YCrCb Matrix coefficient C6</b><br>C6 element default step is 1/512, range from 0 to 0.2480468875</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">7..1</td><td align="CENTER"><a name="ISI_R2Y_C7"></a><b>ISI_R2Y_C7</b><font size="-2"><br><a href="AT91SAM9260_h.html#AT91C_ISI_R2Y_C7">AT91C_ISI_R2Y_C7</a></font></td><td><b>Color Space Conversion RGB to YCrCb Matrix coefficient C7</b><br>C7 element default step is 1/256, range from 0 to 0.49609375</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">9..3</td><td align="CENTER"><a name="ISI_R2Y_C8"></a><b>ISI_R2Y_C8</b><font size="-2"><br><a href="AT91SAM9260_h.html#AT91C_ISI_R2Y_C8">AT91C_ISI_R2Y_C8</a></font></td><td><b>Color Space Conversion RGB to YCrCb Matrix coefficient C8</b><br>C8 element default step is 1/128, range from 0 to 0.9921875</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">4</td><td align="CENTER"><a name="ISI_R2Y_BOFF"></a><b>ISI_R2Y_BOFF</b><font size="-2"><br><a href="AT91SAM9260_h.html#AT91C_ISI_R2Y_BOFF">AT91C_ISI_R2Y_BOFF</a></font></td><td><b>Color Space Conversion Blue component offset</b><br>BOFF is set to 1 implies 128, BOFF is set to 0 implies 0</td></tr>
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