Document the JTAG ICE mkI support.
git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk@559 81a1dc3b-b13d-400b-aceb-764788c761c2
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Joerg Wunsch
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@ -1,3 +1,8 @@
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2005-11-29 Joerg Wunsch <j@uriah.heep.sax.de>
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* avrdude.1: update for JTAG ICE mkI support.
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* doc/avrdude.texi: (Ditto.)
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2005-11-29 Joerg Wunsch <j@uriah.heep.sax.de>
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Submitted by Galen Seitz:
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@ -13,6 +13,11 @@ Current:
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* JTAG mkII support now works with libusb-win32, too
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* JTAG ICE mkI support has been added
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* Solaris support has been added (including ecpp(7D) parallel-port
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bit-bang mode)
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Version 5.0:
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@ -19,7 +19,7 @@
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.\"
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.\" $Id$
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.\"
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.Dd DATE September 18, 2005
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.Dd DATE November 29, 2005
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.Os
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.Dt AVRDUDE 1
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.Sh NAME
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@ -55,7 +55,7 @@ is a program for downloading code and data to Atmel AVR
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microcontrollers.
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.Nm Avrdude
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supports Atmel's STK500 programmer,
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Atmel's JTAG ICE mkII,
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Atmel's JTAG ICE (both mkI and mkII),
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programmers complying to AppNote AVR910 and AVR109 (including the Butterfly),
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as well as a simple hard-wired
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programmer connected directly to a
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@ -104,7 +104,7 @@ AVR910, and the bootloader described in Atmel's application note
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AVR109 (which is also used by the AVR Butterfly evaluation board), are
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supported on a serial port.
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.Pp
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Atmel's JTAG ICE mkII is supported as well to up- or download memory
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Atmel's JTAG ICE (both mkI and mkII) is supported as well to up- or download memory
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areas from/to an AVR target (no support for on-chip debugging).
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.Pp
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Input files can be provided, and output files can be written in
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@ -643,14 +643,19 @@ This man page by
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Please report bugs via
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.Dl "http://savannah.nongnu.org/bugs/?group=avrdude" .
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.Pp
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The JTAGICE mkII programmer currently cannot write to the flash ROM
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The JTAG ICE programmers currently cannot write to the flash ROM
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one byte at a time.
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For that reason, updating the flash ROM from terminal mode does not
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work.
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.Pp
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Page-mode programming the EEPROM through JTAG (i.e. through an
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.Fl U
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option) requires a prior chip erase.
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This is an inherent feature of the way JTAG EEPROM programming works.
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.Pp
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The device IDs used by AVR910 and AVR109 do not match, so the
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avr109 (aka. butterfly) programmer might report
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.Dl "selected device is not supported by programmer" .
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Use the -F option to force
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.Nm
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to contiue anway.
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to contiue anyway.
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@ -136,7 +136,7 @@ exploring memory contents, modifing individual bytes of eeprom,
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programming fuse/lock bits, etc.
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AVRDUDE supports six basic programmer types: Atmel's STK500,
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Atmel's JTAG ICE mkII, appnote
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Atmel's JTAG ICE (both mkI and mkII), appnote
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avr910, appnote avr109 (including the AVR Butterfly),
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serial bit-bang adapters,
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and the PPI (parallel port interface). PPI represents a class
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@ -172,7 +172,7 @@ The JTAG ICE also uses a serial communication protocol which is similar
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to the STK500 firmware version 2 one. However, as the JTAG ICE is
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intented to allow on-chip debugging as well as memory programming, the
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protocol is more sophisticated.
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(This protocol can also be run on top of USB.)
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(The JTAG ICE mkII protocol can also be run on top of USB.)
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Only the memory programming functionality of the JTAG ICE is supported
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by AVRDUDE.
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@ -444,6 +444,13 @@ Atmel Butterfly Development Board
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@itemx dt006
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Dontronics DT006
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@item jtagmkI
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@itemx jtag1
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Atmel JTAG ICE mkI, running at 115200 Bd
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@itemx jtag1slow
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Atmel JTAG ICE mkI, running at 19200 Bd
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@item jtagmkII
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@itemx jtag2slow
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Atmel JTAG ICE mkII (default speed 19200 Bd)
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@ -1842,11 +1849,21 @@ Use the -F option to force AVRDUDE to continue anyway.
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@item
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Problem: Updating the flash ROM from terminal mode does not work with the
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JTAG ICE mkII.
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JTAG ICEs.
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Solution: None at this time. Currently, the JTAG ICE mkII code cannot
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Solution: None at this time. Currently, the JTAG ICE code cannot
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write to the flash ROM one byte at a time.
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@item
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Problem: Page-mode programming the EEPROM (using the -U option) does
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not erase EEPROM cells before writing, and thus cannot overwrite any
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previous value != 0xff.
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Solution: None. This is an inherent feature of the way JTAG EEPROM
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programming works, and is documented that way in the Atmel AVR
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datasheets.
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In order to successfully program the EEPROM that way, a prior chip
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erase (with the EESAVE fuse unprogrammed) is required.
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@end itemize
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