Document the JTAG ICE mkI support.

git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@559 81a1dc3b-b13d-400b-aceb-764788c761c2

avrdude.1

@@ -19,7 +19,7 @@
 .\"
 .\" $Id$
 .\"
-.Dd DATE September 18, 2005
+.Dd DATE November 29, 2005
 .Os
 .Dt AVRDUDE 1
 .Sh NAME
@@ -55,7 +55,7 @@ is a program for downloading code and data to Atmel AVR
 microcontrollers.
 .Nm Avrdude
 supports Atmel's STK500 programmer,
-Atmel's JTAG ICE mkII,
+Atmel's JTAG ICE (both mkI and mkII),
 programmers complying to AppNote AVR910 and AVR109 (including the Butterfly),
 as well as a simple hard-wired
 programmer connected directly to a
@@ -104,7 +104,7 @@ AVR910, and the bootloader described in Atmel's application note
 AVR109 (which is also used by the AVR Butterfly evaluation board), are
 supported on a serial port.
 .Pp
-Atmel's JTAG ICE mkII is supported as well to up- or download memory
+Atmel's JTAG ICE (both mkI and mkII) is supported as well to up- or download memory
 areas from/to an AVR target (no support for on-chip debugging).
 .Pp
 Input files can be provided, and output files can be written in
@@ -643,14 +643,19 @@ This man page by
 Please report bugs via
 .Dl "http://savannah.nongnu.org/bugs/?group=avrdude" .
 .Pp
-The JTAGICE mkII programmer currently cannot write to the flash ROM
+The JTAG ICE programmers currently cannot write to the flash ROM
 one byte at a time.
 For that reason, updating the flash ROM from terminal mode does not
 work.
 .Pp
+Page-mode programming the EEPROM through JTAG (i.e. through an
+.Fl U
+option) requires a prior chip erase.
+This is an inherent feature of the way JTAG EEPROM programming works.
+.Pp
 The device IDs used by AVR910 and AVR109 do not match, so the
 avr109 (aka. butterfly) programmer might report
 .Dl "selected device is not supported by programmer" .
 Use the -F option to force
 .Nm
-to contiue anway.
+to contiue anyway.