CN101303884B - 与非型闪存控制器和读写控制系统及方法 - Google Patents
与非型闪存控制器和读写控制系统及方法 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims description 36
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- 101150098958 CMD1 gene Proteins 0.000 description 1
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控制标志位编号 | 控制标志位意义 |
2 | 访问方向标志位,指示对NAND型闪存进行读或写操作。比如,1为读,0为写。 |
105 | 访问区域及数据量标记,标记操作区域为主区或冗余 |
区,以及传输数据量的大小。访问区域及数据量标记包含操作区域标记位和计数寄存标记位。比如,当操作区域标记为0/1时,表示访问主区,当操作区域标记为1/0时,表示访问冗余区;计数寄存标记位用于设定待传输数据的长度,单位可以为字节,例如设定为512,则代表传输数据的长度为512字节。 | |
104 | CMD1使能标志位,标记是否需要发送CMD1。 |
103 | ECC同步使能标志位,标记是否进行ECC同步 |
102 | 地址使能标志位,标记是否发送地址以及发送地址的长度。可能值为0、1、2、3、4、5、6或者更多(具体值与数据总线宽度或者地址容量有关)。比如:当该值为0时,不发送地址;当该值非零时,表示地址的长度为该非零值。 |
101 | CMD0使能标志位,标记是否需要发送CMD0 |
100 | R/B状态判断使能标志位,标记R/B状态 |
1 | FSM执行状态标志位,标记FSM的使能状态 |
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Families Citing this family (12)
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CN101882119B (zh) * | 2009-05-08 | 2014-05-14 | 上海炬力集成电路设计有限公司 | 与非型闪存控制器及其数据传输方法 |
CN102541459A (zh) * | 2010-12-17 | 2012-07-04 | 西安奇维测控科技有限公司 | 一种电子硬盘的页数据管理办法 |
CN102411555B (zh) * | 2011-08-17 | 2014-01-01 | 清华大学 | 一种可伸缩式动态可重构阵列配置信息方法 |
CN102707919A (zh) * | 2012-05-28 | 2012-10-03 | 上海海事大学 | 一种使用有限状态机控制fifo之间读写的装置及方法 |
CN105389134B (zh) * | 2015-12-11 | 2019-01-04 | 华中科技大学 | 一种闪存接口控制方法及装置 |
CN107403641B (zh) * | 2016-05-20 | 2020-12-18 | 中芯国际集成电路制造(上海)有限公司 | 基于有限状态机控制的存储器读写方法和存储器装置 |
CN107168899A (zh) * | 2017-04-19 | 2017-09-15 | 山东超越数控电子有限公司 | 一种基于FPGA的NandFlash控制器 |
CN110109618B (zh) * | 2019-04-24 | 2022-09-27 | 珠海妙存科技有限公司 | 一种维护闪存操作时序的方法 |
CN112148203B (zh) * | 2019-06-27 | 2023-12-05 | 龙芯中科技术股份有限公司 | 存储器管理方法、装置、电子设备及存储介质 |
CN111158607B (zh) * | 2019-12-31 | 2023-11-17 | 潍柴动力股份有限公司 | 数据擦写操作的处理方法、系统、电子设备及存储介质 |
CN113343319B (zh) * | 2021-06-29 | 2024-04-02 | 珠海一微半导体股份有限公司 | 一种flash的类型识别方法及类型识别系统 |
CN115220789B (zh) * | 2022-06-24 | 2023-02-07 | 北京联盛德微电子有限责任公司 | 一种用于多寄存器的操作命令触发调度方法及单元 |
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