libftdi Archives

Subject: MPSSE baudrate

From: Sivaram Gowkanapalli <sivaramreddy@xxxxxxxxxxx>
To: <libftdi@xxxxxxxxxxxxxxxxxxxxxxx>
Date: Thu, 31 Dec 2009 06:50:05 -0500

Hello,

I am a beginner to using FTDI chips and want to use FT4232H for sampling a 1.5 MHz line. I am hoping that if I could run MPSSE SPI at a baud rate of > 3Mhz or 6 Mhz, will give me a reliable sample.

I am struggling to understand how the baud rate interacts with MPSSE. I have been through the examples in the libftdi source and the mailing list, but am not having much luck. Any documentation that I can find on baudrate seems to be correlated with BitBang mode or UART mode.

Can anyone please guide me to where I can find more information on how the baudrate interacts with MPSSE SPI?

Thanks
Siva





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