Module RW

Constants

• TRACE_CLK_SEL_0
  derive clock from PLL2
• TRACE_CLK_SEL_1
  derive clock from PLL2 PFD2
• TRACE_CLK_SEL_2
  derive clock from PLL2 PFD0
• TRACE_CLK_SEL_3
  derive clock from PLL2 PFD1