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Re: [avr-gcc-list] avrdude, ATMega128
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From: |
Brian Dean |
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Subject: |
Re: [avr-gcc-list] avrdude, ATMega128 |
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Date: |
Sun, 5 Jun 2005 09:53:14 -0400 |
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User-agent: |
Mutt/1.4.2.1i |
On Sun, Jun 05, 2005 at 02:45:28PM +0200, Torsten Mohr wrote:
> Any way, i wonder now why i can erase and reprogram the device even
> with PEN left open. According to the data sheet there is an
> internal pull-up and PEN needs to be pulled low during reset.
/PEN can be used as an alternative for using the /RESET signal for
entering programming mode but it can also be ignored. Leaving /PEN
open is fine unless one actually wants to use it to enter programming
mode, but again, it is entirely optional.
-Brian
--
Brian Dean
BDMICRO - ATmega128 Based MAVRIC Controllers
http://www.bdmicro.com/