The SFB (SoC Functional Block) Interface component is used in the PFR (Platform Firmware Resiliency) 3.0 for the Lattice Mach™-NX family of devices.
Access to Management CPU Recovery Circuit - CPU Recovery is a special circuit used to simplify sending Recovery FW Code from inside a CFG flash sector to an address in SPI flash in the event of a boot failure.
Access to the Flash sector for Read/Write and Erase functions - CPLD Flash Access is an API that allows you to write, read, and erase information to/from the internal flash memory.