一种数据读取方法、存储控制器及电子设备

文档序号:474721 发布日期:2021-12-31 浏览:5次 >En<

阅读说明:本技术 一种数据读取方法、存储控制器及电子设备 (Data reading method, storage controller and electronic equipment ) 是由 夏天 贾学超 陈一帆 于 2019-05-31 设计创作,主要内容包括:本申请公开了一种固态硬盘数据读取方法,包括:控制器接收主机发送的包括请求数据的位置指示信息的读请求;根据位置指示信息所指示的目标物理位置,确定目标物理位置所在的目标存储区域对应的目标读电压模型,非易失存储介质中每个存储区域包括多个按照目标划分粒度划分得到的目标存储单元,读电压模型为关于目标存储单元的标识的函数;从存储区域与读电压模型的参数值的对应关系中,获取目标读电压模型的参数值;根据目标物理位置所在的目标存储单元的标识、目标读电压模型以及目标读电压模型的参数值,确定目标物理位置对应的读电压;根据目标物理位置对应的读电压,获取请求数据并发送给主机。(The application discloses a solid state disk data reading method, which comprises the following steps: the method comprises the steps that a controller receives a read request which is sent by a host and comprises position indication information of requested data; according to the target physical position indicated by the position indication information, determining a target read voltage model corresponding to a target storage area where the target physical position is located, wherein each storage area in the nonvolatile storage medium comprises a plurality of target storage units which are obtained by dividing according to target division granularity, and the read voltage model is a function of the identification of the target storage unit; acquiring a parameter value of a target reading voltage model from a corresponding relation between the storage area and the parameter value of the reading voltage model; determining a reading voltage corresponding to the target physical position according to the identification of the target storage unit where the target physical position is located, the target reading voltage model and the parameter value of the target reading voltage model; and acquiring request data according to the reading voltage corresponding to the target physical position and sending the request data to the host.)

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