📄 at91rm9200_spi.html
字号:
<html><head>
<meta charset="iso-8859-1" content="Arm / ATMEL/ AT91 library / AT91RM9200" http-equiv="Content-Type">
<title>Hardware API Selector: AT91RM9200 Definitions</title>
</head>
<h1>Serial Parallel Interface Peripheral</h1>
<null><a name="SPI"></a><b>SPI</b> <i><font size="-1">(<a href="AT91RM9200_h.html#AT91S_SPI">AT91S_SPI</a>)</font></i><b> 0xFFFE0000 </b><i><font size="-1">(<a href="AT91RM9200_h.html#AT91C_BASE_SPI">AT91C_BASE_SPI</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>13</b> </font></td><td><font size="-1"><i><font size="-1">(<a href="AT91RM9200_h.html#AT91C_ID_SPI">AT91C_ID_SPI</a>)</font></i></font></td><td><font size="-1">Serial Peripheral Interface</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>NPCS0</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PA3_NPCS0 ">AT91C_PA3_NPCS0 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: A Bit: 3</font></td><td><font size="-1">SPI Peripheral Chip Select 0</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>NPCS1</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PA4_NPCS1 ">AT91C_PA4_NPCS1 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: A Bit: 4</font></td><td><font size="-1">SPI Peripheral Chip Select 1</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>MOSI</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PA1_MOSI ">AT91C_PA1_MOSI </a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: A Bit: 1</font></td><td><font size="-1">SPI Master Out Slave</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>NPCS2</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PA5_NPCS2 ">AT91C_PA5_NPCS2 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: A Bit: 5</font></td><td><font size="-1">SPI Peripheral Chip Select 2</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>NPCS3</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PA6_NPCS3 ">AT91C_PA6_NPCS3 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: A Bit: 6</font></td><td><font size="-1">SPI Peripheral Chip Select 3</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>MISO</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PA0_MISO ">AT91C_PA0_MISO </a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: A Bit: 0</font></td><td><font size="-1">SPI Master In Slave</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>SPCK</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PA2_SPCK ">AT91C_PA2_SPCK </a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: A Bit: 2</font></td><td><font size="-1">SPI Serial Clock</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_AT91RM9200_h.html#AT91F_SPI_CfgPMC">AT91F_SPI_CfgPMC</a></b></font></td><td><font size="-1">Enable Peripheral clock in PMC for SPI</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91RM9200_h.html#AT91F_SPI_CfgPIO">AT91F_SPI_CfgPIO</a></b></font></td><td><font size="-1">Configure PIO controllers to drive SPI signals</font></td></tr>
</null></table><br><br></null><a name="SPI"></a><h2>SPI Software API <i><font size="-1">(<a href="AT91RM9200_h.html#AT91S_SPI">AT91S_SPI</a>)</font></i></h2>
<a name="SPI"></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="AT91RM9200_SPI.html#SPI_CR">SPI_CR</a></font></td><td><font size="-1">Control Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x4</b></font></td><td><font size="-1"><a href="AT91RM9200_SPI.html#SPI_MR">SPI_MR</a></font></td><td><font size="-1">Mode Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x8</b></font></td><td><font size="-1"><a href="AT91RM9200_SPI.html#SPI_RDR">SPI_RDR</a></font></td><td><font size="-1">Receive Data Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xC</b></font></td><td><font size="-1"><a href="AT91RM9200_SPI.html#SPI_TDR">SPI_TDR</a></font></td><td><font size="-1">Transmit Data Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x10</b></font></td><td><font size="-1"><a href="AT91RM9200_SPI.html#SPI_SR">SPI_SR</a></font></td><td><font size="-1">Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x14</b></font></td><td><font size="-1"><a href="AT91RM9200_SPI.html#SPI_IER">SPI_IER</a></font></td><td><font size="-1">Interrupt Enable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x18</b></font></td><td><font size="-1"><a href="AT91RM9200_SPI.html#SPI_IDR">SPI_IDR</a></font></td><td><font size="-1">Interrupt Disable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x1C</b></font></td><td><font size="-1"><a href="AT91RM9200_SPI.html#SPI_IMR">SPI_IMR</a></font></td><td><font size="-1">Interrupt Mask Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x30</b></font></td><td><font size="-1">SPI_CSR[4] (<a href="AT91RM9200_SPI.html#SPI_CSR">SPI_CSR</a>)</font></td><td><font size="-1">Chip Select Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x100</b></font></td><td><font size="-1">SPI_RPR (<a href="AT91RM9200_PDC.html#PDC_RPR">PDC_RPR</a>)</font></td><td><font size="-1">Receive Pointer Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x104</b></font></td><td><font size="-1">SPI_RCR (<a href="AT91RM9200_PDC.html#PDC_RCR">PDC_RCR</a>)</font></td><td><font size="-1">Receive Counter Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x108</b></font></td><td><font size="-1">SPI_TPR (<a href="AT91RM9200_PDC.html#PDC_TPR">PDC_TPR</a>)</font></td><td><font size="-1">Transmit Pointer Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x10C</b></font></td><td><font size="-1">SPI_TCR (<a href="AT91RM9200_PDC.html#PDC_TCR">PDC_TCR</a>)</font></td><td><font size="-1">Transmit Counter Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x110</b></font></td><td><font size="-1">SPI_RNPR (<a href="AT91RM9200_PDC.html#PDC_RNPR">PDC_RNPR</a>)</font></td><td><font size="-1">Receive Next Pointer Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x114</b></font></td><td><font size="-1">SPI_RNCR (<a href="AT91RM9200_PDC.html#PDC_RNCR">PDC_RNCR</a>)</font></td><td><font size="-1">Receive Next Counter Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x118</b></font></td><td><font size="-1">SPI_TNPR (<a href="AT91RM9200_PDC.html#PDC_TNPR">PDC_TNPR</a>)</font></td><td><font size="-1">Transmit Next Pointer Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x11C</b></font></td><td><font size="-1">SPI_TNCR (<a href="AT91RM9200_PDC.html#PDC_TNCR">PDC_TNCR</a>)</font></td><td><font size="-1">Transmit Next Counter Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x120</b></font></td><td><font size="-1">SPI_PTCR (<a href="AT91RM9200_PDC.html#PDC_PTCR">PDC_PTCR</a>)</font></td><td><font size="-1">PDC Transfer Control Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x124</b></font></td><td><font size="-1">SPI_PTSR (<a href="AT91RM9200_PDC.html#PDC_PTSR">PDC_PTSR</a>)</font></td><td><font size="-1">PDC Transfer Status 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_AT91RM9200_h.html#AT91F_SPI_Reset">AT91F_SPI_Reset</a></b></font></td><td><font size="-1">Reset the SPI controller</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91RM9200_h.html#AT91F_SPI_Close">AT91F_SPI_Close</a></b></font></td><td><font size="-1">Close SPI: disable IT disable transfert, close PDC</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91RM9200_h.html#AT91F_SPI_Disable">AT91F_SPI_Disable</a></b></font></td><td><font size="-1">Disable the SPI controller</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91RM9200_h.html#AT91F_SPI_Enable">AT91F_SPI_Enable</a></b></font></td><td><font size="-1">Enable the SPI controller</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91RM9200_h.html#AT91F_SPI_SendFrame">AT91F_SPI_SendFrame</a></b></font></td><td><font size="-1">Return 2 if PDC has been initialized with Buffer and Next Buffer, 1 if PDC has been initializaed with Next Buffer, 0 if PDC is bSPIy</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91RM9200_h.html#AT91F_SPI_CfgMode">AT91F_SPI_CfgMode</a></b></font></td><td><font size="-1">Enable the SPI controller</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91RM9200_h.html#AT91F_SPI_GetChar">AT91F_SPI_GetChar</a></b></font></td><td><font size="-1">Receive a character,does not check if a character is available</font></td></tr>
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -