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want to save such a modification, choose File ➙ Save,
File ➙ Save as... or File ➙ Export data memory to
file....
Important warning
It is recommended to check the programmer
settings and fuse settings before starting the
actual programming as an error in these
parameters could damage the device or even
the programmer.
The programming process is triggered by choosing
Device ➙ Program or by clicking the Program button.
In some devices, the system checks the Device ID (device
electronic signature) and the code/data protection bits
before launching the programming process. If the ID does
not match the selected device type, a warning message is
displayed.
Displaying of this warning message is frequently caused
by a fault in the interconnection of the device and the
programmer.
If things are in order, the programmer performs the
following operations: erases the device, checks the
erasure, programs the device and checks the
programmed device.
If only a particular memory of a microcontroller needs to
be programmed, it can be done by choosing the
corresponding item in the Device ➙ Program menu or
by clicking the pull-down arrow next to the Program
button on the button bar. Depending on the device type,
the following options may be available: program code/
main memory, program data (EEPROM) memory, program
configuration memory or program all.
Differential Programming
The Device ➙ Program menu offers a possibility of
differential programming, provided the device to be
programmed supports it. If selected, the existing memory
content is read first and only cells that differ are then
programmed.
Differential programming is useful for development during
which content of the programming data changes very
often, but the changes are tiny. As only changed cells are
overwritten, the differential programming is advisable for
devices with a low number of writing cycles. It can also be
faster than the conventional re-writing of the whole
memory content.
5.4
Further Features
The following section focuses on selected additional
functions of UP available for device programming.
5.4.1 Setting the GO
Button
ASIX programmers feature a GO button, which allows the
user to trigger the programming process without a
computer mouse or keyboard.
The function of the GO button can be set under the
Options ➙ Key shortcuts menu in the GO button field
to suit user's needs.
The UP software must be running if the user wants to use
the GO button, but may be minimized on the screen.
Additional settings associated with the GO button can be
found in Settings for Programming During Development.
5.4.2 Mass Production
The mass production function is available under the
Device ➙ Program ➙ Mass production menu. It can
also be called up by clicking the arrow next to the
Program button on the toolbar.
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