Web所以,DDR页,可以讲为一个rank里每个chip的行地址 (ps:在一个rank里,每个chip的地址是相同的。因为多个chip组成一个总数据位宽。DDR接口的cs信号,虽然叫chip select,其实是rank(一组chip)的 select)。 DDR页的概念,后续会讲到页命中、页miss等,跟cache page原理 ... WebUsually chip select is an active low signal; hence, the main must send a logic 0 on this signal to select the subnode. SPI is a full-duplex interface; both main and subnode can send data at the same time via the MOSI and MISO lines respectively. During SPI communication, the data is simultaneously transmitted (shifted out serially onto the MOSI ...
select中文_select是什么意思 - 爱查查
Web挑选,选择。. 1.挑选出来的;精选的;极好的。. 2.〔口语〕爱挑三拣四的;挑剔的。. 3.苛择的;入会条件苛刻的。. a select crew 一批精选的水手。. be select in choosing one's … WebMay 31, 2014 · 而 RAM 在電腦裡又可大致上分為 2 種:SRAM 和 DRAM,兩者的基礎原理差不多,都是將電荷儲存至內部,藉由改變不同的電荷儲存 0 或是 1。. SRAM(Static Random Access Memory)靜態隨機存取記憶體和 DRAM(Dynamic Random Access Memory)有著幾點不同,SRAM 的結構較複雜、單位面積 ... green lodging certification
内存系列一:快速读懂内存条标签 - 知乎 - 知乎专栏
WebJun 22, 2010 · CE=chip enable(芯片使能). CS=Chip select(芯片选中). 作为芯片输入的片选信号没什么差别,但是对于CPU等主芯片输出的用于选中其他外围设备的片选,则一般命名为CS较为普遍。. CE=chip enable(芯片使能). CS=Chip select(芯片选中). 先片选再使能芯片才工作,片选 ... http://www.ichacha.net/chip%20select.html WebMar 29, 2024 · Ok, thanks Arjan. I see your schematic and source code example, understand that always must select one of the two official chip select pins CE0 or CE1, and then you mix it with 2 more GPIO pins in a demultiplexer 74HC138/9 with 3 inputs and 8 ouputs, so understand will may get up to 16 CS lines to control 16 SPI devices (CE0 + 2 … green loctite for bearings