SPRUJB3C March 2024 – November 2025 AM67 , AM67A , TDA4AEN-Q1 , TDA4VEN-Q1
Table describes the external signals of the USB3SS module.
| Device Pin | Module Signal | I/O | Description | Value at Reset |
|---|---|---|---|---|
| USB1_DP | DP | I/O | DP to USB connector | HiZ |
| USB1_DM | DM | I/O | DM to USB connector | HiZ |
| USB1_ID | ID | A/I | ID to USB connector | HiZ |
| USB1_VBUS | VBUS | A/I | VBUS to USB connector | HiZ |
| USB1_RTRIM | USB2 PHYreference resistor | |||
| USB1_DRVVBUS | DRVVBUS | O | 3.3 Volt LVCMOS Output. Controls VBUS power switch | 0 |
| The following pins are implemented through SERDES | ||||
| USB1_SSRXN | I | N of differential receive data | HiZ | |
| USB1_SSRXP | I | P of differential receive data | HiZ | |
| USB1_SSTXN | O | N of differential transmit data | HiZ | |
| USB1_SSTXP | O | P of differential transmit data | HiZ | |
| USB1_REFCLKN | I | N of differential reference clock | HiZ | |
| USB1_REFCLKP | I | P of differential reference clock | HiZ | |
| USB1_REXT | SERDES reference resistor | |||