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Putting a microcontroller on a circuit board

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Lucifre

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Hi, i am just getting into programming a microcontroller but there is one question that bugs me.

When you have programmed a microcontroller, how do you actually put it on a PCB? how can you order a microcontroller without all that additional crap like the breadboard, leds, switches?

is it simple to put a microcontroller onto the PCB?
 

Normally you just solder it to the PCB like any other component.

If the uC has a DIP or PLCC package, you could solder a socket onto the PCB, and then plug the uC into the socket.

You can buy blank unprogrammed microcontrollers from a part distributor such as these in USA:
https://www.digikey.com/
https://www.mouser.com/
 

a microcontroller is just like an ic...simply just put it in a pcb...just like what you did in putting it on a breadboard...
 

there's a minimum system for the micro, for example, if you use at89s family, you need two 33pf capacitor connecting pin xtal1 and xtal 2 to the ground, a crystal between xtal1 and xtal2, and one 10uf elco connecting vcc and the ground. also, pin ~ea/vpp must be connected to the vcc if you don't plan to use external ram. check the datasheet.
 

Lucifre said:
Hi, i am just getting into programming a microcontroller but there is one question that bugs me.

When you have programmed a microcontroller, how do you actually put it on a PCB? how can you order a microcontroller without all that additional crap like the breadboard, leds, switches?

is it simple to put a microcontroller onto the PCB?

Allright,

You need basic circuit such as
- power circuit **
- clock circuit **
- hardware reset circuit
- watch dog etc...

** are the most important component inorder to work
 

Hi,
draw your pcb, buy dip or ellse socket and put pic micro in after programming,
but you need something like osc (cristal XT or RC...)
Ask concrete, I will draw for you any pcb,
regards
 

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