SPRUIU1C July 2020 – February 2024 DRA821U , DRA821U-Q1
The slave interfaces on the bridge is the source VBUSM port to receive commands and return data and status. These ports have the defined prefix, smX (SoC Master, input to bridge), to identify them, where the X is the number to idenfity each port starting from zero. The number of these interfaces and bridges is shown in Table 10-666 and Table 10-667.