Altium's USB JTAG Adapter enables you to create a JTAG link (incorporating multiplexed Hard and Soft JTAG chains) from your PC (running Altium Designer) to a NanoBoard-NB1, using a USB connection.
On the PC side, connect the USB JTAG Adapter to a spare USB port on the PC, using the supplied USB cable.
On the NanoBoard-NB1 side two connect options are possible:
1) Use the 26 pin connector included in the USB JTAG Adapter package to connect the NanoBoard-NB1s parallel port header. Please note that older versions of the USB JTAG Adapter do not include the 26 pin connector. Then option 2 can be used.
2) Connect via the use of seven of the flying leads from the supplied JTAG flying-lead cable (10-way IDC – 10 flying leads). The applicable flying leads are connected straight into the relevant pins of the NB1's parallel port header (HDR3).
Table 1 lists the flying leads to be used and which pin of the parallel port header they need to connect to.
Table 1. USB interface port-plugin component.
| Flying Lead color |
Connect to Parallel Port Header pin... |
Function |
|---|---|---|
| Red |
2 |
TDI |
| Blue |
3 |
TCK |
| Purple |
4 |
TMS |
| Yellow |
5 |
SOFT TDI |
| Gray |
6 |
SOFT TMS |
| Brown |
13 |
TDO |
| Black |
26 |
GND |
Figure 1 illustrates these flying-lead connections to the NB1's parallel port header.
Figure 1. Flying-lead connections to the NB1's parallel port header.