STOP_ACK_DLY_EN=0, WAKE_REQ_EN=0
Keep Alive mode control
KEEP_ALIVE_EN | Global enable for USB_KEEP_ALIVE mode |
OWN_OVERRD_EN | When set to 1, during KEEP_ALIVE mode, if received token is not SETUP, the OWN bit of current BD will be forced to 0, so usb core will respond with NAK |
STOP_ACK_DLY_EN | When set, entry into KEEP_ALIVE mode is delayed until after the internal USB state machine is in the idle state 0 (0): Enter KEEP_ALIVE mode when there is no USB bus transaction. 1 (1): Enter KEEP_ALIVE mode when the USB core is idle and there is no USB AHB transaction. |
WAKE_REQ_EN | During KEEP_ALIVE mode, a bus access by the USB controller to a memory location outside the USB SRAM will cause the bus access to stall until KEEP_ALIVE mode is exited 0 (0): USB bus wakeup request is disabled. 1 (1): USB bus wakeup request is enabled. |
WAKE_INT_EN | Wakeup Interrupt Enable. |
WAKE_INT_STS | Wakeup Interrupt Status. |