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Discussion Groups | Piclist | 16F628-04 & 16F628-20 INTOSC question ?

A discussion group for the PICMicro microcontroller. Also called the Microchip PIC, this list is dedicated to the use and abuse of this fine, simple, microcontroller. Close to topic posts are welcome, ie. general electronics.

16F628-04 & 16F628-20 INTOSC question ? - Vincent - Sep 2 1:48:00 2004

Message
Hello,
 
Does anyboby know what is the Internal Clock frequency (INTOSC) of the 16F628-20 compared to 16F628-04?
 
In other words, does that frequency extension refers only to the external max freq grade or does that means that the internal osc is 20MHz instead of 4MHz?
 
Thanks for any informations,
Vince
 
 
 
 
IDTECT
115, rue Réaumur - 75002 - PARIS
Tel : 01 55 34 76 64
Fax : 01 55 34 76 75
www.idtect.com
 


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Re: 16F628-04 & 16F628-20 INTOSC question ? - Vasile Surducan - Sep 2 2:41:00 2004


3.9 to 4.1MHz

top 10 wishes,
Vasile
http://surducan.netfirms.com On Thu, 2 Sep 2004, Vincent wrote:

> Hello,
>
> Does anyboby know what is the Internal Clock frequency (INTOSC) of the
> 16F628-20 compared to 16F628-04?
>
> In other words, does that frequency extension refers only to the
> external max freq grade or does that means that the internal osc is
> 20MHz instead of 4MHz?
>
> Thanks for any informations,
> Vince >
>
> IDTECT
> 115, rue Réaumur - 75002 - PARIS
> Tel : 01 55 34 76 64
> Fax : 01 55 34 76 75
> www.idtect.com <http://www.idtect.com/




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Re: 16F628-04 & 16F628-20 INTOSC question ? - Kees Stenekes - Sep 2 3:02:00 2004

Vince,

the -20 or -04 extension refers to the maximum
EXTERNAL clock frequency. The INTOSC is the same for
both, and configurable for 4 MHz or 37 KHz.

Kees --- Vincent <> wrote:

> Hello,
>
> Does anyboby know what is the Internal Clock
> frequency (INTOSC) of the
> 16F628-20 compared to 16F628-04?
>
> In other words, does that frequency extension refers
> only to the
> external max freq grade or does that means that the
> internal osc is
> 20MHz instead of 4MHz?
>
> Thanks for any informations,
> Vince >
>
> IDTECT
> 115, rue Réaumur - 75002 - PARIS
> Tel : 01 55 34 76 64
> Fax : 01 55 34 76 75
> www.idtect.com <http://www.idtect.com/
__________________________________


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RE: 16F628-04 & 16F628-20 INTOSC question ? - Vincent - Sep 2 4:59:00 2004

Ok, Guys !!

Thanks for the helping hand !
VC

IDTECT
115, rue Réaumur - 75002 - PARIS
Tel : 01 55 34 76 64
Fax : 01 55 34 76 75
www.idtect.com -----Original Message-----
From: Kees Stenekes [mailto:]
Sent: jeudi 2 septembre 2004 10:03
To:
Subject: Re: [piclist] 16F628-04 & 16F628-20 INTOSC question ?
Vince,

the -20 or -04 extension refers to the maximum
EXTERNAL clock frequency. The INTOSC is the same for
both, and configurable for 4 MHz or 37 KHz.

Kees --- Vincent <> wrote:

> Hello,
>
> Does anyboby know what is the Internal Clock
> frequency (INTOSC) of the
> 16F628-20 compared to 16F628-04?
>
> In other words, does that frequency extension refers
> only to the
> external max freq grade or does that means that the
> internal osc is
> 20MHz instead of 4MHz?
>
> Thanks for any informations,
> Vince >
>
> IDTECT
> 115, rue Réaumur - 75002 - PARIS
> Tel : 01 55 34 76 64
> Fax : 01 55 34 76 75
> www.idtect.com <http://www.idtect.com/
__________________________________
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