9.3.15.6 USB_SR Register Bit Definitions

Table 9-128. USB_SR
Bit Number	Name	Address	Reset Value	Function
0	POWERDN	0x40038154	0	Asserted when CLK may be stopped to save power. Derived from combination of signals from CLK and XCLK flip-flops, AVALID, VBUSVALID, and LINESTATE.)
1	LPI_CARKIT_EN	0x40038154	0	Asserted when entry is made into CarKit mode and cleared on exit from CarKit mode.

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