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PIC 16F877a

 
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umka



Joined: 28 Aug 2007
Posts: 99
Location: New Zealand

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PIC 16F877a
PostPosted: Sun Sep 23, 2007 2:29 pm     Reply with quote
i have just got some of these micros but am struggling to program them. i am using an in circuit programmer so have been putting

MCLR -> pin 1
+5v -> pin 11 and 32
GND -> pin 12 and 31
data -> pin 26
clock -> pin 25
and 4.7k ohm resister between pin 36 and GND

is there something i am doing wrong?
PCM programmer



Joined: 06 Sep 2003
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PostPosted: Sun Sep 23, 2007 2:41 pm     Reply with quote
You need to tell us what in-circuit programmer you are using.

If you are using the CCS ICD0-U40 or Microchip ICD2, then this post
has links that show the required connections, and required resistor
values.
http://www.ccsinfo.com/forum/viewtopic.php?t=30896&start=3
umka



Joined: 28 Aug 2007
Posts: 99
Location: New Zealand

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PostPosted: Mon Sep 24, 2007 4:16 am     Reply with quote
got it soughted was using the wrong pins for data and clock should be 39 and 40
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