> To add to all the discussion going on, > I am using a qspi controller with a spansion flash device. > I tried using quad read mode bit, and what is required to change in > my case is the following: > > 1. enable quad mode in flash configuration register. > 2. change my read opcode to QUAD READ opcode according to flash datasheet. > 3. Configure my qspi controller cmd reg to use 6 PIN whenever quad mode is > used. >
Sorry, to the third point I am still not very clear. The first time, spi controller should send QUAD READ opcode to your spansion flash with 1 line, then receive datas from flash with 4 lines. So how does your controller master this process automatically. Please give me some details. Thanks ------------------------------------------------------------------------------ This SF.net email is sponsored by Windows: Build for Windows Store. http://p.sf.net/sfu/windows-dev2dev _______________________________________________ spi-devel-general mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/spi-devel-general
