'PIC Packages and PICStart Plus Question'
Timothy M. Deterly
I am getting ready to buy the PICStart Plus Programmer from Digikey, and
have a few questions about it and about PICs in general. First of all will
this programmer work with Windows 95? I just when to Microchip's web page and
there it said it needed Windows 3.1 or something like that, any ways it wasn't
95, is this true? Another question I have is, what do the different type
chips packages look like, and which ones are the easiest to use? Such as,
what is a Soic package, a CDip, a PLCC, and a CLCC. Which type of package do
most people use? And also is there a name that tells you if a Dip package is
going to be a wide one, vs. the more common narrow ones. One last question I
just thought of, what is the difference between Flash memory and EEProm
memory? The Flash seems to be the better way to go, is it?
|On Sun, 22 Feb 1998 13:12:05 EST "Timothy M. Deterly" <AOL.COM> TimMicDet
> I am getting ready to buy the PICStart Plus Programmer from
>have a few questions about it and about PICs in general. First of all
>this programmer work with Windows 95?
Yes it does. MPLAB is a 16-bit Windows application that works with
either 3.1 or 95, and drives the PICSTART Plus.
Another question I have is, what do the different
>chips packages look like, and which ones are the easiest to use?
The DIP package is almost universally preferred for hacking and prototype
work. This is the old-style "bug" IC with leads on 0.1" spacing that
point down so they can be inserted in holes in the board or in a socket.
The Cdip is a DIP made of ceramic material, and in the case of EPROM
PICs, fitted with a transparent window in the top so the chip can be
erased with UV light. The other styles are surface-mount, which are
popular in products because they need less space. But they are generally
soldered to the board, making removal to for reprogramming impractical.
> And also is there a name that tells you if a Dip
>going to be a wide one, vs. the more common narrow ones.
You can find this out by studying the data sheet and finding which
package styles are offered. I think only the old 12-bit PIC16C55 and
PIC16C57 are offered in wide 28-pin DIPs. All the other 28-pin PICs are
0.3" wide. But check the data or obtain a sample chip before designing
>just thought of, what is the difference between Flash memory and
In the case of PICs, just the name. The PIC16C84 (becoming hard to
obtain as it is discontinued) and PIC16F84 both have electrically-
erasable program memory and EEPROM data memory. To the user the program
memories in the chips are identical.
>The Flash seems to be the better way to go, is it?
Salesdroids would like for you to think that.
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