CCharles_LiAssociate IIForum|Forum|2 years agoAugust 28, 2023QuestionNor Flash memory mapping works unexpected on P-NUCLEO-WB55Forum|Forum|2 years agoAugust 28, 20232 replies1683 viewsI'm using MX25V1635F on WB55Below, read/write functions work fine#define SECTOR_ERASE_CMD 0x20#define QUAD_IN_FAST_PROG_CMD 0x38But in memory mapping mode, only few bytes correctly or even nothing right,CS, SCLK work as expected but D0 seems like out of control, is there any idea?QSPI