UFS 3.1 is the next specification update pending from JEDEC.
Arasan will offer UFS 3.1 compatible Host and Device Controllers in late Q2 2017 to select customers.
Key Differences between UFS 3.1 and UFS 2.1 are:
- Multiple RPMB regions with unique auth key, register a logical address
- Mandatory support for Gear3 5.8Gbps (M-PHY v3.x)
- Mandatory support for Gear4 11.6Gbps (M-PHY v4.x)
- Register Updates
- Adapt for HS-G4 added to the DME SET register