Hardware Description
5-2
AVR
®
ATICE10 User Guide
5.2.5
AVR Reset Button
This button resets the application. See Section 5.4 for details on different AVR reset
options.
5.2.6
ICE Reset Button
The ICE Reset button is hidden in the back panel for safety reasons. If the emulator
starts to behave unpredictably, use a thin tool to push this reset button. The green LED
will be turned off for a while and will be switched on again when the system is ready.
When the ICE10 reset button is pressed, the program memory is cleared, thus the
project file must be closed in AVR Studio and then reopened.
5.2.7
ON-OFF Switch
On-Off switch for the Emulator. Do not turn off power on the emulator while there still is
power on the target board. This might damage the pod.
5.2.8
12V DC Connector
The battery eliminator connector on the ICE10 system is a standard type with 2.1 mm
center tap. Ground should be connected to the center tap.
5.3
Power System
The ICE10 system has an internal power regulator that delivers 15W at 5V. The ICE10
itself uses about 10W. The power supply delivered with the ICE10 is dimensioned to
meet the requirements of the emulator. If another power supply is used, it should supply
a voltage between 9 and 15VDC and a minimum of 20W. The battery eliminator connec-
tor on the ICE10 system is 1 standard type with 2.1 mm center tap. Ground should be
connected to the center tap.
Note:
The target application power must not be present when the emulator is turned
off, as this may cause damage to the pod.
5.4
Reset System
The ICE10 has two independent reset systems. One is for the ICE10 itself and the other
is for the emulated AVR device. The ICE10 reset button is placed on the back panel of
the box. The AVR reset system can reset the emulated device both when the device is
running and stopped. This reset can be activated from several sources:
The push-button marked
AVR RESET
on the back panel of the AVR ICE unit
(only when running)
The push-button marked
RESET
on the pod (only when running)
The reset button in AVR Studio. Note that the reset button in AVR Studio will stop the
emulation process if it is running when the button is pushed.
A reset signal from the user application (only when running)
Note:
In order to enable external reset when emulating ATtiny15, the
Enable External
Reset
option must be selected in the
AVR Studio Emulator Options
dialog.
Please note that only a reset from the user application will reset other components in the
application connected to the AVR’s reset pin.
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