The PC to NanoBoard Connection

Depending on the version of NanoBoard being used, it is connected to your PC using either a parallel or USB connection. When you start Altium Designer, a driver is loaded that configures the relevant port (parallel or USB) to run as a single multiplexed JTAG link between the NanoBoard and the PC.

There are in fact multiple JTAG chains present on the NanoBoard. A sophisticated controller on the NanoBoard – the NanoTalk Controller – handles the job of multiplexing these JTAG chains for transmission via the parallel or USB link, as well as handling the routing of the various JTAG chains when multiple NanoBoards are connected together.

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