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Microchip PIC16F1947 LCD question

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E

eepty

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I am reading the application notes AN1354 which is titled "Implementing an LCD Using the PIC16F1947 Microcontroller".

In the schematic on page19, I see that SEG18 is connected pin3 (RG0/SEG42). Why SEG18 is connected to SEG42?
Also, in the code example, it enabled SE18, but not SE42.

AN1354:
**broken link removed**
 

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