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<HTML xmlns:exsl="http://exslt.org/common" xmlns:xlink="http://www.w3.org/1999/xlink"><HEAD><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><TITLE>Block Diagram</TITLE></HEAD><BODY class="main_body"><EMBED src="system.svg" width="1112" height="1499" type="image/svg+xml"></EMBED><BR><BR><TABLE BGCOLOR="#000000" WIDTH="850" COLS="8" cellspacing="1" cellpadding="1" border="0"><TD COLSPAN="8" ALIGN="middle" BGCOLOR="#810017"><SPAN style="color:#FFFFFF; font: bold 9px Verdana,Arial,Helvetica,sans-serif">EXTERNAL PORTS</SPAN></TD><TR></TR><TD COLSPAN="8" ALIGN="middle" bgcolor="#FFFFFF"><SPAN style="color:#2233FF; font: bold 9px Verdana,Arial,Helvetica,sans-serif"> These are the external ports defined in the MHS file. </SPAN></TD><TR></TR><TD COLSPAN="8" ALIGN="left" bgcolor="#FFFFFF"><SPAN style="color:#2233FF; font: bold 9px Verdana,Arial,Helvetica,sans-serif">Attributes Key</SPAN><BR><SPAN style="color:#000000; font: italic 9px Verdana,Arial,Helvetica,sans-serif">The attributes are obtained from the SIGIS and IOB_STATE parameters set on the PORT in the MHS file </SPAN><BR><SPAN style="color:#55FF55; font: bold 12px Verdana,Arial,Helvetica,sans-serif">CLK</SPAN><SPAN style="color:#2233FF; font: bold 9px Verdana,Arial,Helvetica,sans-serif">聽聽indicates Clock ports, (SIGIS = CLK)聽</SPAN><BR><SPAN style="color:#5555FF; font: bold 12px Verdana,Arial,Helvetica,sans-serif">INTR</SPAN><SPAN style="color:#2233FF; font: bold 9px Verdana,Arial,Helvetica,sans-serif">聽聽indicates Interrupt ports,(SIGIS = INTR)聽</SPAN><BR><SPAN style="color:#FFCC00; font: bold 12px Verdana,Arial,Helvetica,sans-serif">RESET</SPAN><SPAN style="color:#2233FF; font: bold 9px Verdana,Arial,Helvetica,sans-serif">聽聽indicates Reset ports, (SIGIS = RST)聽</SPAN><BR><SPAN style="color:#FF5555; font: bold 12px Verdana,Arial,Helvetica,sans-serif">BUF or REG</SPAN><SPAN style="color:#2233FF; font: bold 9px Verdana,Arial,Helvetica,sans-serif">聽聽Indicates ports that instantiate or infer IOB primitives, (IOB_STATE = BUF or REG)聽</SPAN></TD><TR></TR><TD COLSPAN="7" ALIGN="left" bgcolor="#FFFFFF"><TABLE BGCOLOR="#000000" WIDTH="100%" COLS="9" cellspacing="1" cellpadding="0" border="0"><TD COLSPAN="1" width="5%" align="left" bgcolor="#BBBBBB"><SPAN style="color:#810017; font: bold 10px Verdana,Arial,Helvetica,sans-serif">#</SPAN></TD><TD COLSPAN="2" width="30%" align="left" bgcolor="#BBBBBB"><SPAN style="color:#810017; font: bold 10px Verdana,Arial,Helvetica,sans-serif">NAME</SPAN></TD><TD COLSPAN="1" width="5%" align="left" bgcolor="#BBBBBB"><SPAN style="color:#810017; font: bold 10px Verdana,Arial,Helvetica,sans-serif">DIR</SPAN></TD><TD COLSPAN="1" width="5%" align="left" bgcolor="#BBBBBB"><SPAN style="color:#810017; font: bold 10px Verdana,Arial,Helvetica,sans-serif">[LSB:MSB]</SPAN></TD><TD COLSPAN="2" width="30%" align="left" bgcolor="#BBBBBB"><SPAN style="color:#810017; font: bold 10px Verdana,Arial,Helvetica,sans-serif">SIG</SPAN></TD><TD COLSPAN="2" width="25%" align="left" bgcolor="#BBBBBB"><SPAN style="color:#810017; font: bold 10px Verdana,Arial,Helvetica,sans-serif">ATTRIBUTES</SPAN></TD><TR></TR><TD COLSPAN="1" width="5%" align="left" bgcolor="#FFFFFF"><SPAN style="color:#000000; font: bold 14px Verdana,Arial,Helvetica,sans-serif">0</SPAN><SPAN style="color:#000000; vertical-align: super; font: bold 10px Arial,Helvetica,sans-serif">GLB</SPAN></TD><TD COLSPAN="2" width="30%" align="left" bgcolor="#FFFFFF"><SPAN style="color:#000000; font: normal 12px Verdana,Arial,Helvetica,sans-serif">fpga_0_SRAM_CLOCK</SPAN></TD><TD COLSPAN="1" width="5%" align="middle" bgcolor="#FFFFFF"><SPAN style="color:#000000; font: bold 10px Verdana,Arial,Helvetica,sans-serif">O</SPAN></TD><TD COLSPAN="1" width="5%" align="middle" bgcolor="#FFFFFF"><SPAN style="color:#000000; font: bold 10px Verdana,Arial,Helvetica,sans-serif">1</SPAN></TD><TD COLSPAN="2" width="30%" align="left" bgcolor="#FFFFFF"><SPAN style="color:#000000; font: normal 12px Verdana,Arial,Helvetica,sans-serif">sys_clk_s</SPAN></TD><TD COLSPAN="2" width="25%" align="left" bgcolor="#FFFFFF"></TD><TR></TR><TD COLSPAN="1" width="5%" align="left" bgcolor="#DEDEDE"><SPAN style="color:#000000; font: bold 14px Verdana,Arial,Helvetica,sans-serif">1</SPAN><SPAN style="color:#000000; vertical-align: super; font: bold 10px Arial,Helvetica,sans-serif">A</SPAN></TD><TD COLSPAN="2" width="30%" align="left" bgcolor="#DEDEDE"><SPAN style="color:#000000; font: normal 12px Verdana,Arial,Helvetica,sans-serif">fpga_0_LEDs_4Bit_GPIO_IO_pin</SPAN></TD><TD COLSPAN="1" width="5%" align="middle" bgcolor="#DEDEDE"><SPAN style="color:#000000; font: bold 10px Verdana,Arial,Helvetica,sans-serif">IO</SPAN></TD><TD COLSPAN="1" width="5%" align="middle" bgcolor="#DEDEDE"><SPAN style="color:#000000; font: bold 10px Verdana,Arial,Helvetica,sans-serif">0:3</SPAN></TD><TD COLSPAN="2" width="30%" align="left" bgcolor="#DEDEDE"><SPAN style="color:#000000; font: normal 12px Verdana,Arial,Helvetica,sans-serif">fpga_0_LEDs_4Bit_GPIO_IO</SPAN></TD><TD COLSPAN="2" width="25%" align="left" bgcolor="#DEDEDE"></TD><TR></TR><TD COLSPAN="1" width="5%" align="left" bgcolor="#FFFFFF"><SPAN style="color:#000000; font: bold 14px Verdana,Arial,Helvetica,sans-serif">2</SPAN><SPAN style="color:#000000; vertical-align: super; font: bold 10px Arial,Helvetica,sans-serif">B</SPAN></TD><TD COLSPAN="2" width="30%" align="left" bgcolor="#FFFFFF"><SPAN style="color:#000000; font: normal 12px Verdana,Arial,Helvetica,sans-serif">fpga_0_LEDs_Positions_GPIO_IO_pin</SPAN></TD><TD COLSPAN="1" width="5%" align="middle" bgcolor="#FFFFFF"><SPAN style="color:#000000; font: bold 10px Verdana,Arial,Helvetica,sans-serif">IO</SPAN></TD><TD COLSPAN="1" width="5%" align="middle" bgcolor="#FFFFFF"><SPAN style="color:#000000; font: bold 10px Verdana,Arial,Helvetica,sans-serif">0:4</SPAN></TD><TD COLSPAN="2" width="30%" align="left" bgcolor="#FFFFFF"><SPAN style="color:#000000; font: normal 12px Verdana,Arial,Helvetica,sans-serif">fpga_0_LEDs_Positions_GPIO_IO</SPAN></TD><TD COLSPAN="2" width="25%" align="left" bgcolor="#FFFFFF"></TD><TR></TR><TD COLSPAN="1" width="5%" align="left" bgcolor="#DEDEDE"><SPAN style="color:#000000; font: bold 14px Verdana,Arial,Helvetica,sans-serif">3</SPAN><SPAN style="color:#000000; vertical-align: super; font: bold 10px Arial,Helvetica,sans-serif">C</SPAN></TD><TD COLSPAN="2" width="30%" align="left" bgcolor="#DEDEDE"><SPAN style="color:#000000; font: normal 12px Verdana,Arial,Helvetica,sans-serif">fpga_0_RS232_Uart_RX_pin</SPAN></TD><TD COLSPAN="1" width="5%" align="middle" bgcolor="#DEDEDE"><SPAN style="color:#000000; font: bold 10px Verdana,Arial,Helvetica,sans-serif">I</SPAN></TD><TD COLSPAN="1" width="5%" align="middle" bgcolor="#DEDEDE"><SPAN style="color:#000000; 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