On Tue, 12 Oct 2004 22:26:43 +0200, Anton Erasmus <nobody@spam.prevent.net> wrote:>On Sun, 10 Oct 2004 10:46:01 +0200, Mikael Ejberg Pedersen ><mikael@ejberg.NO_SPAM_HERE.dk> wrote: > >>On Sun, 10 Oct 2004 10:26:32 +0200, Anton Erasmus >><nobody@spam.prevent.net> wrote: >> >>>I cannot recall having seen any programmers available that is a >>>parallel programmer from the AVR's point of view. >> >>STK500 is the only one that I know of. > >Is the STK500 not a JTAG programmer ?No, it uses the chip's SPI ports for programming. Take a look at, for example, the data sheet on the ATmega64 that supports both JTAG and SPI programming. Having a few JTAG dongles sitting around here (TI MSP430, Cypress something (clear blue plastic box), a Xilinx Parallel 3, and an Altera ByteBlasterMV clone (dang, these things do accumulate)) does anyone know if the Atmel JTAG software can be fooled into using one of the others? -- Rich Webb Norfolk, VA
AVRISP
Started by ●October 8, 2004
Reply by ●October 12, 20042004-10-12
Reply by ●October 13, 20042004-10-13
Rich Webb <bbew.ar@mapson.nozirev.ten> banged on the keyboard until producing news:9btom0pq3denjo9vit30l28en8j1qvj6cs@4ax.com:> Having a few JTAG dongles sitting around here (TI MSP430, Cypress > something (clear blue plastic box), a Xilinx Parallel 3, and an Altera > ByteBlasterMV clone (dang, these things do accumulate)) does anyone > know if the Atmel JTAG software can be fooled into using one of the > others? >JTAG is _supposed_ to be JTAG. Compare the pinouts of the various devices you have, and that should answer your question. -- * * * * * * * * * * * * * * * * * Dorsai - Author of Erotic Fiction http://www.asstr.org/~Dorsai * * * * * * * * * * * * * * * * * Giving power and money to Government is like giving whiskey and car keys to teenage boys - P.J. O'Rourke
Reply by ●October 13, 20042004-10-13
On Wed, 13 Oct 2004 07:01:11 -0500, Dorsai <dorsai@mail.com> wrote:>Rich Webb <bbew.ar@mapson.nozirev.ten> banged on the keyboard until >producing news:9btom0pq3denjo9vit30l28en8j1qvj6cs@4ax.com: > > >> Having a few JTAG dongles sitting around here (TI MSP430, Cypress >> something (clear blue plastic box), a Xilinx Parallel 3, and an Altera >> ByteBlasterMV clone (dang, these things do accumulate)) does anyone >> know if the Atmel JTAG software can be fooled into using one of the >> others? >> > >JTAG is _supposed_ to be JTAG. Compare the pinouts of the various >devices you have, and that should answer your question.On the JTAG side, you are correct of course. However, different parallel port pins and logic can be used to drive/receive the JTAG signals. -- Rich Webb Norfolk, VA
Reply by ●October 14, 20042004-10-14
Rich Webb <bbew.ar@mapson.nozirev.ten> banged on the keyboard until producing news:fecrm0pdv6uccf219674h7477f455qbkm7@4ax.com:> On Wed, 13 Oct 2004 07:01:11 -0500, Dorsai <dorsai@mail.com> wrote: > >>Rich Webb <bbew.ar@mapson.nozirev.ten> banged on the keyboard until >>producing news:9btom0pq3denjo9vit30l28en8j1qvj6cs@4ax.com: >> >> >>> Having a few JTAG dongles sitting around here (TI MSP430, Cypress >>> something (clear blue plastic box), a Xilinx Parallel 3, and an >>> Altera ByteBlasterMV clone (dang, these things do accumulate)) does >>> anyone know if the Atmel JTAG software can be fooled into using one >>> of the others? >>> >> >>JTAG is _supposed_ to be JTAG. Compare the pinouts of the various >>devices you have, and that should answer your question. > > On the JTAG side, you are correct of course. However, different > parallel port pins and logic can be used to drive/receive the JTAG > signals. >That's what I'm saying: take a look at the outputs of the various dongles and see if any match up. -- * * * * * * * * * * * * * * * * * Dorsai - Author of Erotic Fiction http://www.asstr.org/~Dorsai * * * * * * * * * * * * * * * * * "Economics is extremely useful as a form of employment for economists." -- John Kenneth Galbraith
