nandflash k9f1208u0a- k9f1208u0b的读取操作 - guojian2011的个人空间 - eda中国门户网站 edacn - powered by x-space.htm

NandFlash K9F1208U0A- K9F1208U0B的读取操作(包括文档分析和源代码)

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face=宋体>对齐的，所以它的低</FONT></SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 10pt; FONT-FAMILY: Verdana; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">9</SPAN><SPAN 
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face=宋体>位总是</FONT></SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 10pt; FONT-FAMILY: Verdana; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">0</SPAN><SPAN 
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face=宋体>。确定读写操作是在</FONT></SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 10pt; FONT-FAMILY: Verdana; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">Flash</SPAN><SPAN 
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face=宋体>上的哪个页进行的。</FONT></SPAN><SPAN lang=EN-US 
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style="DISPLAY: none">EDA中国门户网站 [8T4ms[
D</SPAN><BR></SPAN><B><SPAN lang=EN-US 
style="FONT-SIZE: 10pt; FONT-FAMILY: Verdana; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">Read1</SPAN></B><B><SPAN 
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face=宋体>命令</FONT></SPAN></B><SPAN lang=EN-US 
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style="DISPLAY: none">j1wZ n|~L$u0</SPAN></SPAN><SPAN 
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face=宋体>当我们得到一个</FONT></SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 10pt; FONT-FAMILY: Verdana; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">Nand 
Flash</SPAN><SPAN 
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face=宋体>地址</FONT></SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 10pt; FONT-FAMILY: Verdana; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">src_addr</SPAN><SPAN 
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face=宋体>时我们可以这样分解出</FONT></SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 10pt; FONT-FAMILY: Verdana; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">Column 
Address</SPAN><SPAN 
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face=宋体>和</FONT></SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 10pt; FONT-FAMILY: Verdana; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">Page 
Address</SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 9pt; FONT-FAMILY: Verdana; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt"><SPAN 
style="DISPLAY: none">EDA中国门户网站N4ud OF</SPAN><BR></SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 10pt; COLOR: red; FONT-FAMILY: Verdana; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">column_addr=src_addr%512;&nbsp; 
&nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; 
&nbsp;&nbsp; &nbsp; // column address</SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 9pt; FONT-FAMILY: Verdana; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt"><BR><SPAN 
style="DISPLAY: none">4X6qQ$eS_ pPH0</SPAN></SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 10pt; COLOR: red; FONT-FAMILY: Verdana; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">page_address=(src_addr&gt;&gt;9);&nbsp; 
&nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; 
&nbsp;&nbsp;&nbsp;// page address</SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 9pt; FONT-FAMILY: Verdana; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt"><BR><SPAN 
style="DISPLAY: none">O.xSE5e*D0</SPAN></SPAN><SPAN 
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face=宋体>也可以这么认为，一个</FONT></SPAN><SPAN lang=EN-US 
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Flash</SPAN><SPAN 
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face=宋体>地址的</FONT></SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 10pt; FONT-FAMILY: Verdana; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">A0~A7</SPAN><SPAN 
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face=宋体>是它的</FONT></SPAN><SPAN lang=EN-US 
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face=宋体>，</FONT></SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 10pt; FONT-FAMILY: Verdana; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">A9~A25</SPAN><SPAN 
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face=宋体>是它的</FONT></SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 10pt; FONT-FAMILY: Verdana; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">Page 
Address</SPAN><SPAN 
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face=宋体>。</FONT></SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 10pt; FONT-FAMILY: Verdana; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">(</SPAN><SPAN 
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face=宋体>注意地址位</FONT></SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 10pt; FONT-FAMILY: Verdana; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">A8</SPAN><SPAN 
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face=宋体>并没有出现，也就是</FONT></SPAN><SPAN lang=EN-US 
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face=宋体>被忽略，在下面你将了解到这是什么原因</FONT></SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 10pt; FONT-FAMILY: Verdana; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">)</SPAN><SPAN 
lang=EN-US 
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style="DISPLAY: none">EDA中国门户网站3MY`P/Y7F/q/Qr</SPAN><BR></SPAN><SPAN 
lang=EN-US 
style="FONT-SIZE: 10pt; FONT-FAMILY: Verdana; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">Read1</SPAN><SPAN 
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face=宋体>命令的操作分为</FONT></SPAN><SPAN lang=EN-US 
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face=宋体>个</FONT></SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 10pt; FONT-FAMILY: Verdana; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">Cycle</SPAN><SPAN 
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face=宋体>，发送完读命令</FONT></SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 10pt; FONT-FAMILY: Verdana; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">00h</SPAN><SPAN 
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face=宋体>或</FONT></SPAN><SPAN lang=EN-US 
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face=宋体>（</FONT></SPAN><SPAN lang=EN-US 
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style="FONT-SIZE: 10pt; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt"><FONT 
face=宋体>与</FONT></SPAN><SPAN lang=EN-US 
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face=宋体>的区别请见下文描述）之后将分</FONT></SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 10pt; FONT-FAMILY: Verdana; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">4</SPAN><SPAN 
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face=宋体>个</FONT></SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 10pt; FONT-FAMILY: Verdana; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">Cycle</SPAN><SPAN 
style="FONT-SIZE: 10pt; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt"><FONT 
face=宋体>发送参数，</FONT></SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 10pt; FONT-FAMILY: Verdana; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">1st.Cycle</SPAN><SPAN 
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face=宋体>是发送</FONT></SPAN><SPAN lang=EN-US 
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