Hello,

I have recently undertaken a complex (at least for me) project and would
like some input as to what clock speed to use.

I will be throwing around data (up to 16 Mbits at a time) between an
input device, a flash memory IC, and a wireless transceiver module at
speeds of 38400bps all across the board (all interfaces are serial).
Luckily, though, the Manchester encoding of the data will be performed
by the transceiver chip so I don't have to worry about data encoding.  I
might also want to do some XOR checksums (haven't decided yet, the BER
for my RF module is about 10^-3 at -109 dBm)

I was going to use a 4MHz clock, but now am considering trying for a
lower speed since this is a battery powered device.

What do you guys think?

Thanks,
Adam Smith

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