I would like to sniff data on an SPI bus running at a clock rate of 6 MHz. I would like to use the Bus Pirate V4 for this task. The sniffing itself is supported up to 10 MHz, the problem is getting the data on a PC in real time.
The BP page for the USB connection (V4!) says:
Max speed is 12 Mbps, but a realistic limit is 1 Mbps.
Can I just set the UART speed to 6 Mbps in Windows/Linux?
I have used a 1 Mbit baudrate before, using a 5€ China UART<>USB converter without problems. Since the BP has the USB hardware built-in, I don't see why the realistic limit would be 1 Mbit/s...