![]() ![]() It has 3 communications interfaces which can include up to 2 UARTS and up to 3 SPI ports. All of the components are on the top side – except for an optional additional memory device and an extra decoupling capacitor.ĭespite it’s small footprint, this is a full microcomputer with up to 256K bytes of external memory. Remarkably this includes the breakout for the MSP430FR2433 plus an external SPI memory device.Īs you can see, things are fairly compact on this board, and I have had to use 0402 resistors and capacitors -the layout was surprisingly easy for a board of this density. Today I have been laying out possibly what is the smallest board I have done so far – just 10.24mm x 12.7mm. ![]() This is a very small chip in a 4mm square package – which doesn’t make it really easy to work with – so I decided to design a series of small boards to take full advantage of its diminutive package size. This week I have been working on various MSP430 projects including a prototype board based on the MSP430FR2433.
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