目录
摘 要................................................................................................................................................I
ABSTRACT...................................................................................................................................II
第一章 绪论 ...................................................................................................................................1
1.1 国内外研究概况 ................................................................................................................1
1.2 本课题的主要目标和工作 ................................................................................................1
1.3 全文结构 ............................................................................................................................2
第二章 多功能单片学习机 ...........................................................................................................7
2.1 多功能单片学习机的硬件设计 ........................................................................................7
2.1.1 单片机 AT89S52 电路............................................................................................8
2.1.2 数码显示电路 .......................................................................................................11
2.1.3 外部存储器电路 ...................................................................................................14
2.1.4 外部存储器的保护电路 .......................................................................................17
2.1.5 键盘输入电路 .......................................................................................................17
2.1.6 自动程序切换电路 ................................................................................................18
2.1.7 RS232 通信电路 ....................................................................................................19
2.1.8 电源电路 ...............................................................................................................19
2.2 多功能单片学习机的软件设计 .....................................................................................20
2.3 本章小结 ..........................................................................................................................20
第三章 NAND FLASH 扩展板的设计 .......................................................................................22
3.1 NAND FLASH 扩展板硬件电路设计 ...........................................................................22
3.1.1 NAND FLASH 接口电路 ...................................................................................22
3.1.2 控制器的工作原理 ...............................................................................................24
3.2 NAND FLASH 驱动 ........................................................................................................25
3.2.1 NAND FLASH 的工作原理 ..................................................................................26
3.2.2 NAND FLASH 的读操作 ......................................................................................26
3.2.3 NAND FLASH 的编程 ..........................................................................................27
3.2.4 NAND FLASH 的擦除 ..........................................................................................29
3.3 本章小结 ..........................................................................................................................30
第四章 NAND 扩展板的调试...................................................................................................31
4.1 硬件仿真注意事项 ..........................................................................................................31
4.2 编程中遇到的问题 ..........................................................................................................31
4.2 本章小结 ..........................................................................................................................32
第五章 全文总结 .........................................................................................................................33
参考文献 .......................................................................................................................................34
致谢 ...............................................................................................................................................35
