SiFive U64
The SiFive U64 is a 64-bit (RV64) core of the SiFive U6 series cores, designed by SiFive.
Minimum required J-Link software version
The U64 device selection is supported since V7.70d of the J-Link software.
RTT support
As the core supports System Bus Access (SBA), RTT is supported for this core.
HSS access
As the core supports System Bus Access (SBA), HSS is supported for this core.