In SX Microcontrollers, SX/B Compiler and SX-Key Tool, Tony Leyland wrote:

Hi Gunther / asm2750,

Thanks for the advice. Yes the XTAL tracks are are a bit long, they are probably acting like little aerials for the 50hz clock !

I will make sure that my future designs give out less EMI.  My next mini-project will be an FTDI 232RL IC adapter made in a 
similar way to this one, before attempting to solder an SX48 onto one of my designs.

I know what you mean about the copper pouring - it took me ages to work out how that was acheived.

Cheers
Tony

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