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Guest
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 Posted:
Fri Dec 16, 2005 9:15 am Post subject:
Hardware needed to Program Atmel AT89C51 using Flip |
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Does this chip come pre-programmed with a bootloader? It seems from
the datasheet that all thats needed to program it (in-system) is the
use of Atmel's FLIP software, and no mention of any hardware
requirements (PSEN, etc).
Is it that easy? |
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Jim Granville
Guest
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| Posted:
Fri Dec 16, 2005 9:15 am Post subject:
Re: Hardware needed to Program Atmel AT89C51 using Flip |
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benn686@hotmail.com wrote:
| Quote: | Does this chip come pre-programmed with a bootloader? It seems from
the datasheet that all thats needed to program it (in-system) is the
use of Atmel's FLIP software, and no mention of any hardware
requirements (PSEN, etc).
Is it that easy?
Which specific Atmel AT89C51 variant ? |
The AT89C51ED2 is quite clear in the data, on the Loader options, and
Fuse/Pin force options ?
-jg |
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Stef
Guest
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| Posted:
Fri Dec 16, 2005 5:15 pm Post subject:
Re: Hardware needed to Program Atmel AT89C51 using Flip |
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In comp.arch.embedded,
benn686@hotmail.com <benn686@hotmail.com> wrote:
| Quote: | Does this chip come pre-programmed with a bootloader? It seems from
the datasheet that all thats needed to program it (in-system) is the
use of Atmel's FLIP software, and no mention of any hardware
requirements (PSEN, etc).
Is it that easy?
At least some have a bootloader. Then you only need FLIP and and RS232 to |
TTL interface (maybe already on your board). To enter the bootloader, you
need to pull PSEN to the right level when reset is deactivated, so a switch
controlling PSEN and a reset button are nice to have. And make sure you set
the BLJB to the correct value in FLIP or your application won't start.
--
Stef (remove caps, dashes and .invalid from e-mail address to reply by mail)
Anything cut to length will be too short. |
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