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'[EE]: eagle help'
2002\10\12@091616 by 9-2?Q?samo_benedi=E8i=E8?=

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Hi!

I'd like to use 16f877 PIC in a PLCC package in my project. I'd like to put
it into PLCC socket, but there's no PLCC sockets shown in schematic editor.
How do tell EAGLE that I want to put PIC into socket on board?  Another
thing: my schematic is too big to fit onto one sheet. How do I connect
signals from one sheet to another or from point A to point B on one sheet if
I don't want to drag wires all around the sheet? How do I put an arrow or
something on the end of the wire and tell EAGLE where it's connected to?
TIA, Samo

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2002\10\12@105355 by Olin Lathrop

face picon face
> I'd like to use 16f877 PIC in a PLCC package in my project. I'd like to
put
> it into PLCC socket, but there's no PLCC sockets shown in schematic
editor.
> How do tell EAGLE that I want to put PIC into socket on board?

If a socket has the same footprint and pads as the original package (like
most DIP sockets), then you don't need to do anything.  However, your PLCC
socket is probably thru-hole, so the PCB needs to be layed out differently
than if you were to surface mount a raw PLCC chip to the board.  To do this
you create a "package" for the particular size PLCC socket.  Then go to the
16F877 device definition and add the PLCC socket as one more package type.

> Another
> thing: my schematic is too big to fit onto one sheet. How do I connect
> signals from one sheet to another or from point A to point B on one sheet
if
> I don't want to drag wires all around the sheet?

This is very basic, so you start by reading the manual.  Hint:  net segments
with the same name are automatically connected.

> How do I put an arrow or
> something on the end of the wire

You can create a plain arrow symbol and place it anywhere you want.  If it
has not pins then it won't have any electrical effect.  In other words,
symbols without pins are essetially comments.

> and tell EAGLE where it's connected to?

With the NET command.


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(978) 742-9014, http://www.embedinc.com

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