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Me and a friend are designing a lasershow controller consisting of a FTDI USB-serial chip and a DAC from Analog, but because the output of a PC is not always steady, we need somehting to buffer the serial data until a new chunk of data is received. Any idea's?
Cheers,
Dan
Hmm, why is my Reputation bad? I haven't done anything wrong have I?
There is no device that can buffer data that has not been received. A Pic will buffer the data until more data is required. You will require handshake lines or the Pic will get full up very quick.
Mike.
Sorry, I didn't mean to buffer invisible data, I meant to buffer the previously sent data untill new data is received.
-Dan
What speed will the serial be running? Feeding what I assume is a stereo DAC at good quality is a lot of data and will define how you can solve the problem.
Mike.
At that speed you need to look at one of the FTDI chips/modules with built in fifo. A pic is not a good choice.