RC_BUS_STATUS_BUSY_0 I2C stop sequence did not complete within timeout after switching SBE to PLL speed ROOT_CTRL_REGISTERS TARGET_CHIP TARGET_TYPE_PROC_CHIP PERV_CTRL_REGISTERS TARGET_CHIP TARGET_TYPE_PROC_CHIP I2C_REGISTERS TARGET_CHIP TARGET_TYPE_PROC_CHIP TARGET_CHIP STATUS_REGISTER_B LOOP_COUNT BACKUP_SEEPROM_ATTR CODE HIGH SBE_SEEPROM_PART TARGET_CHIP MEDIUM