Module RW

Constants

• FLEXSPI_CLK_SEL_0
  derive clock from PLL2
• FLEXSPI_CLK_SEL_1
  derive clock from pll3_sw_clk
• FLEXSPI_CLK_SEL_2
  derive clock from PLL2 PFD2
• FLEXSPI_CLK_SEL_3
  derive clock from PLL3 PFD0