Steve DeLaney wrote:
>
> Hi Thomas, when we ran the thruput test it was not in bitbang mode.
> Our test is based on enabling the FIFO Tx and Rx buffers.
>
> I'm a little puzzled by the documentation.
> The DS245B Version 1.7 datasheet page 6 references USB protocol engine
> described in Chapter 9. But Chapter 9 is just disclaimer.
> and FTDI doesn't provide a register level specification.
They're referring to Chapter 9 of the USB specification. See e.g.
http://www.beyondlogic.org/usbnutshell/usb1.htm
> Is there a better datasheet to use ?
If you're using FTDI chips in RS232 mode, the Linux kernel source for
the ftdi_sio driver may be a useful reference:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=drivers/usb/serial/ftdi_sio.c
-jim
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