OTG1_DM_PULLDOWN
(0 | OTG1_DM_PULLDOWN | OTG1_DP_PULLDOWN));
(OTG1_DM_PULLDOWN | OTG1_DP_PULLDOWN));
isp1301_write(isp, ISP1301_I2C_OTG_CONTROL_1, (OTG1_DM_PULLDOWN