>could you suggest me a micro featuring over 70 I/O, uart,
>with decent delevopment tools? (easy uh?)
>
>always for my "MIDI thing" project

I take it you are looking to build a keyboard, and wanting to get the key
inputs into the chip.

Two ways, someone has already suggested using an FPGA, which is probably the
sensible way, as you can select one with a suitable number of I/O lines, and
encode/decode as appropriate.

Second way is to use a micro such as a PIC, with serial/parallel chips such
as 74HC164/165 and an SPI port on the PIC. This can be run at sufficient
speed that any latency in the serial transfer will be minimal, and may allow
you to do what you want.

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