SPRUJ52E June 2022 – September 2025 AM69 , AM69A , TDA4AH-Q1 , TDA4AP-Q1 , TDA4APE-Q1 , TDA4VH-Q1 , TDA4VP-Q1 , TDA4VPE-Q1
This section describes USB module ports related to clocks, resets, and hardware requests.
| Clocks | |
| Module Clock Input | Description |
| ACLK | VBUSM interface clock |
| PCLK | VBUSP interface clock |
| BUFCLK | VBUSM bridge clock |
| CLK_LPM | Low power clock (24 MHz). This clock has to be free running when USB is enabled. |
| USB2_REFCLOCK | USB2PHY reference clock. HFOSC selected via CTRLMMR_USB0_CLKSEL. Frequency value must be indicated to PHY via USB3P0SS_STATIC_CONFIG. |
| USB2_APB_PCLK | USB2PHY VBUSP interface clock |
| Resets | |
| Module Reset Input | Description |
| USB_RST | USB3SS0 hardware reset |
| Interrupt Requests | ||
| Module Interrupt | Description | Type |
| IRQ_[0:7] | 8 event ring interrupts in host mode. In device mode, IRQ[6] is device USB interrupt and IRQ[7] is device wakeup request. | Level |
| HOST_SYSTEM_ERROR | USB host system error | Level |
| OTGIRQ | USB OTG events | Level |
| ASF_INT_NONFATAL | USB safety features nonfatal interrupt | Level |
| ASF_INT_FATAL | USB safety features fatal interrupt | Level |
| A_ECC_AGGR_CORRECTED_ERR_LEVEL | ECC aggregator interrupt | Level |
| A_ECC_AGGR_UNCORRECTED_ERR_LEVEL | ECC aggregator interrupt | Level |
| DMA Events | ||
| Module DMA Event | Description | Type |
| - | No PDMA channels to external DMA engines. USB has an internal DMA controller. | - |