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7 years, 9 months ago.

use pins not connected

I'm wonder how can I define pins that are available on the microcontroller but not connected to pins of development board. For example I'm using a mbed board with LPC1768 and I liked use some pins like P0.20, P0,21, P0.22 of the LPC1768 in my product because I have more signals to manage and I don't know how to specify them in the code. example: DigitalIn A(p7) define a label A for pin P7 (P0.7) but How I can specify P0.20 that in not connected to the external PINout of the board?

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