USB2_PLL_REG1
u2o_clear(base, USB2_PLL_REG1, USB2_PLL_PU_PLL_MASK
u2o_set(base, USB2_PLL_REG1, 1 << USB2_PLL_PU_PLL_SHIFT_MMP3
u2o_set(base, USB2_PLL_REG1, 1 << USB2_PLL_VCOCAL_START_SHIFT_MMP3);
while ((u2o_get(base, USB2_PLL_REG1) & USB2_PLL_READY_MASK_MMP3) == 0) {