PP: Chip Select (S) must be driven High after the eighth bit of the last data byte has been latched in, otherwise the Page Program (PP) instruction is not executed. CE,BE 也一样。
读不知有没有影响。
另: CLK<20M。
fC fC Clock Frequency for the following instructions: FAST_READ, PP, SE, BE, RES, WREN, WRDI, RDID, RDSR, WRSR D.C. 50 MHz
fR Clock Frequency for READ instructions D.C. 20 MHz