3.5
Use of reset push buttons
The ON/OFF/Soft Reset button performs a software reset of the system, and the Hardware Reset button
performs a hardware reset of the system.
This section contains the following subsections:
•
3.5.1 Use of ON/OFF/Soft Reset button
•
3.5.2 Use of Hardware Reset button
3.5.1
Use of ON/OFF/Soft Reset button
This push button enables you to perform a software reset of the system.
You initiate a software reset of the system by briefly pressing the
ON/OFF/Soft Reset
button during run
time. The MCC performs a software reset of the Juno r2 SoC and resets the devices on the board.
The software reset sequence is as follows:
1. Briefly press the
ON/OFF/Soft Reset
button.
Caution
If you press and hold the
ON/OFF/Soft Reset
button for more than two seconds, the system enters the
standby-state in the same way as pressing the
Hardware Reset
button.
2. The MCC asserts the
CB_nRST
reset signal.
3. The MCC releases
CB_nPOR
.
4. The MCC releases
CB_nRST
.
5. The V2M-Juno r2 motherboard enters the operating-state.
Note
• The MCC does not read the configuration files or perform a board reconfiguration as a result of a
software reset.
• The
CB_nPOR
signal drives the
nPORESET
signal inside the Juno r2 SoC.
Related concepts
Related references
1.3 Location of components on the V2M-Juno r2 motherboard
1.4 Connectors on front and rear panels
3.5.2
Use of Hardware Reset button
This push button enables you to perform a hardware reset of the system.
You can change the operation of the board from the operating-state to the standby-state by briefly
pressing the
Hardware Reset
button. This switches off the power to the board and resets the system to the
default values.
If you then press the
ON/OFF/Soft Reset
push button, the system performs a full configuration and enters
the operating-state.
Related concepts
Related references
1.3 Location of components on the V2M-Juno r2 motherboard
1.4 Connectors on front and rear panels
3 Configuration
3.5 Use of reset push buttons
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