CDC-ACM chip reset control.
USB_SERIAL_JTAG_RTS | 1: Chip reset is detected from usb serial channel. Software write 1 to clear it. |
USB_SERIAL_JTAG_DTR | 1: Chip reset is detected from usb jtag channel. Software write 1 to clear it. |
USB_SERIAL_JTAG_USB_UART_CHIP_RST_DIS | Set this bit to disable chip reset from usb serial channel to reset chip. |