CPC G06F 13/385 (2013.01) [G06F 13/387 (2013.01); G06F 13/409 (2013.01); H03K 19/1737 (2013.01)] | 20 Claims |
1. An adaptor device, comprising:
a Universal Serial Bus (USB) connector for coupling to USB signals;
a Joint Test Action Group (JTAG) connector for coupling to JTAG signals;
a plurality of dual-purpose connectors configured for coupling to a corresponding plurality of external devices, each of the plurality of dual-purpose connectors configured for coupling a corresponding external device to both Universal Asynchronous Receiver-Transmitter (UART) signals and JTAG signals;
a USB-to-UART interface circuit coupled to the USB connector and the plurality of dual-purpose connectors, the USB-to-UART interface circuit including a USB hub and a plurality of USB-UART converters; and
a multiplexer circuit coupled to the JTAG connector and the plurality of dual-purpose connectors and configured to couple the JTAG connector to one of the plurality of dual-purpose connectors in response to a selection signal.
|