SLLSEZ0E April 2017 – April 2018 TUSB544
PRODUCTION DATA.
The TUSB544 supports up to two lanes (or 4 channels) of custom Alternate Mode at datarates up to 8.1Gbps. TUSB544 can be enabled for custom Alternate Mode through GPIO control or through I2C register control. in GPIO mode, custom Alternate Mode is controlled based on Table 2. When not in GPIO mode, enable of custom Alternate Mode functionality is controlled through I2C registers. In I2C mode, the operation of this mode requires setting AUX_SNOOP_DISABLE register 13h bit 7 to 0.