SX48DP28 adapter board - any interest?
Benedikt Rochow
Posts: 11
I just came across my unfinished design for an adapter board that accepts an SX48 and gives it the SX28DP pinout, intended for cases when the SX28 pinout is desired but the additional Flash and ROM of the 48 silicon are needed.
(Those SX48 pins that don't exist on the SX28DP are optionally available on pin-vias somewhere in the middle or off to the side. In this way, it can serve to mount an SX48 in its entirety to a 0.1" raster board. Because the board is sized to replace a 28 DIP, it could not adapt the whole 48 pins to a breadboard-friendly DIP outline. It should include some caps, and there might well be room for the ISP connector, but again, it would differ from a 48-con-carne approach by its smaller size preventing breadboard use when all SX48 pins are pinned out.)
Proto-PCB pricing these days would make a small run of these possible.
Would there be any interest in this at all?
(Or has everybody that had a PCB with an SX28DP footprint and a memory problem redesigned their PCB by now, while the SX48 protoboard covers QFP-solder-avoidance prototyping?)
(Those SX48 pins that don't exist on the SX28DP are optionally available on pin-vias somewhere in the middle or off to the side. In this way, it can serve to mount an SX48 in its entirety to a 0.1" raster board. Because the board is sized to replace a 28 DIP, it could not adapt the whole 48 pins to a breadboard-friendly DIP outline. It should include some caps, and there might well be room for the ISP connector, but again, it would differ from a 48-con-carne approach by its smaller size preventing breadboard use when all SX48 pins are pinned out.)
Proto-PCB pricing these days would make a small run of these possible.
Would there be any interest in this at all?
(Or has everybody that had a PCB with an SX28DP footprint and a memory problem redesigned their PCB by now, while the SX48 protoboard covers QFP-solder-avoidance prototyping?)
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