SPRUIL1D May 2019 – December 2024 DRA829J , DRA829J-Q1 , DRA829V , DRA829V-Q1 , TDA4VM , TDA4VM-Q1
Figure 5-23 shows the I/O interface signals of the USB3SS0 subsystem.
Figure 12-200 shows the I/O interface signals of the USB3SS1 subsystem.
Table 12-251 describes the external signals of the USB3SS0 subsystem.
Device Pin | Module or PHY Signal | I/O(1) | Description | Value at Reset |
---|---|---|---|---|
USB0_DP | DP | I/O | USB2.0 data pins. These are HS/FS/LS bidirectional differential data lane (D+/D-) | HiZ |
USB0_DM | DM | I/O | HiZ | |
SERDES0_RX1_P (SERDES0_RX0_P) or(2) SERDES3_RX1_P (SERDES3_RX0_P) |
RX_P_LN1(3) (RX_P_LN0)(4) |
I | USB3.0 differential data receive lane (RX+ pin) | HiZ |
SERDES0_RX1_N (SERDES0_RX0_N) or(2) SERDES3_RX1_N (SERDES3_RX0_N) |
RX_N_LN1(3) (RX_N_LN0)(4) |
I | USB3.0 differential data receive lane (RX- pin) | HiZ |
SERDES0_TX1_P (SERDES0_TX0_P) or(2) SERDES3_TX1_P (SERDES3_TX0_P) |
TX_P_LN1(3) (TX_P_LN0)(4) |
O | USB3.0 differential data transmit lane (TX+ pin) | HiZ |
SERDES0_TX1_N (SERDES0_TX0_N) or(2) SERDES3_TX1_N (SERDES3_TX0_N) |
TX_N_LN1(3) (TX_N_LN0)(4) |
O | USB3.0 differential data transmit lane (TX- pin) | HiZ |
SERDES0_REXT or(2) SERDES3_REXT |
CMN_REXT | A/I | USB3.0 SerDes external calibration resistor. Requires a 3.01 kOhm ±1% accurate off-chip resistor connected from this pin to ground. | HiZ |
USB0_ID | ID | A/I | USB cable identifier (A/B-device). Analog ID pin sense with internal pull-up | HiZ |
USB0_VBUS | VBUS | A/I | An 3.3-V analog input for monitoring the voltage on VBUS (VBUS sense). 5-V VBUS must be applied via an external resistive divider /3. For example, R1 = 20 kOhm and R2 = 10 kOhm | HiZ |
USB0_DRVVBUS | DRVVBUS | O | A digital output signal for VBUS Power Supply Enabling. Used to enable an external charge pump or power switch to supply +5V power to the VBUS port, when appropriate | 0 |
USB0_RCALIB | RTRIM | A/I | External resistor for USB2.0 PHY calibration. Requires a 500 Ohm ±1% off-chip resistor connected from this pin to ground | HiZ |
Table 12-252 describes the external signals of the USB3SS1 subsystem.
Device Pin | Module or PHY Signal | I/O(1) | Description | Value at Reset |
---|---|---|---|---|
USB1_DP | DP | I/O | USB2.0 data pins. These are HS/FS/LS bidirectional differential data lane (D+/D-) | HiZ |
USB1_DM | DM | I/O | HiZ | |
SERDES1_RX1_P (SERDES1_RX0_P) or(2) SERDES2_RX1_P (SERDES2_RX0_P) |
RX_P_LN1(3) (RX_P_LN0)(4) |
I | USB3.0 differential data receive lane (RX+ pin) | HiZ |
SERDES1_RX1_N (SERDES1_RX0_N) or(2) SERDES2_RX1_N (SERDES2_RX0_N) |
RX_N_LN1(3) (RX_N_LN0)(4) |
I | USB3.0 differential data receive lane (RX- pin) | HiZ |
SERDES1_TX1_P (SERDES1_TX0_P) or(2) SERDES2_TX1_P (SERDES2_TX0_P) |
TX_P_LN1(3) (TX_P_LN0)(4) |
O | USB3.0 differential data transmit lane (TX+ pin) | HiZ |
SERDES1_TX1_N (SERDES1_TX0_N) or(2) SERDES2_TX1_N (SERDES2_TX0_N) |
TX_N_LN1(3) (TX_N_LN0)(4) |
O | USB3.0 differential data transmit lane (TX- pin) | HiZ |
SERDES1_REXT or(2) SERDES2_REXT |
CMN_REXT | A/I | USB3.0 SerDes external calibration resistor. Requires a 3.01 kOhm ±1% accurate off-chip resistor connected from this pin to ground. | HiZ |
USB1_ID | ID | A/I | USB cable identifier (host/device). Analog ID pin sense with internal pull-up | HiZ |
USB1_VBUS | VBUS | A/I | An 3.3-V analog input for monitoring the voltage on VBUS (VBUS sense). 5-V VBUS must be applied via an external resistive divider /3. For example, R1 = 20 kOhm and R2 = 10 kOhm | HiZ |
USB1_DRVVBUS | DRVVBUS | O | A digital output signal for VBUS Power Supply Enabling. Used to enable an external charge pump or power switch to supply +5V power to the VBUS port, when appropriate | 0 |
USB1_RCALIB | RTRIM | A/I | External resistor for USB2.0 PHY calibration. Requires a 500 Ohm ±1% off-chip resistor connected from this pin to ground | HiZ |