Hello,

When using an FTDI FT2232 based JTAG interface, what limits the JTAG speed?
Is it the 12Mb/s USB or the maximum JTAG clock allowed for the attached CPU?

I've noticed that FTDI have a new device (FT2232H) that uses Hi-Speed USB 
(480MB/s).
At first glance it seems to have the same features as the FT2232, but with 
the higher USB speed.
It would need new boards making as it has a larger package and pin count.
Would this improve the JTAG speed?

Regards,
Ian.

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