What are the differences between HRESET# and SRESET# ?
The SRESET# pin is only causes the processor to take the System Reset exception, as defined in the Exceptions section of the User’s Manual. See the Soft Reset section of the Exceptions section for more information. In contrast, when HRESET# is asserted, the processor is put into the hard reset state until the deassertion of HRESET#, and then it takes the System Reset exception. SRESET# is considered to be edge-triggered, in that it is recognized when the SRESET# pin is sampled deasserted on one clock, and sampled asserted on the following clock. The transition from asserted to deasserted is ignored. HRESET# is a level-sensitive signal.
