The HPS supports the following reset types:
• Cold reset (power-on reset)
• Used to ensure the HPS is placed in a default state sufficient for software to boot
• Triggered by a power-on reset and other sources
• Resets all HPS logic that can be reset
• Affects all reset domains
• Warm reset
• Occurs after HPS has already been through a cold reset
• Used to recover system from a non-responsive condition
• Resets a subset of the HPS state reset by a cold reset
• Only affects the system reset domain, which allows debugging (including trace) to operate through
the warm reset
• Debug reset
• Occurs after HPS has already been through a cold reset
• Used to recover debug logic from a non-responsive condition
• Only affects the debug reset domain
Reset Manager
Altera Corporation
cv_54003
Reset Manager
3-2
2013.12.30