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Arasan Chip Systems, Inc.
Short Desc. :
UFS 1.1 Host Controller IP
The Universal Flash Storage (UFS) is a JEDEC data transfer standard is designed for mobile systems. Most UFS applications require large storage capacity for data and boot code. Applications include mobile phones, tablets, laptop PCs, DSC, PMP, MP3 and other applications requiring mass storage, boot storage, XiP or external cards. The UFS standard is a simple, but high-performance, serial interface that efficiently moves data between a host processor and mass storage devices. USF transfers follow the SCSI model, but with a subset of SCSI commands. The Arasan UFS Host controller uses an M-PHY® Adapter Layer backed by a UniPro Link layer controller as per the specification. There is a Host controller state machine and a FIFO to buffer data in each direction. The processor accesses the Host registers and DMA engine over the AXI or other interface.
Transfers are initiated by the UFS driver which also writes the UFS Host Controller Interface (UFSHCI) registers to manage Host operation.
- JEDEC UFS 1.1 and UFS HCI 1.1 Compliant
- Supports high performance M-PHY v2.0 type-1
- 2.9 Gbps max per lane
- Proven UniPro v1.41 link layer
- Definable write-protect group size
- Boot mode operation
- Device enumeration and discovery
- Background operation
- Secure Erase and Trim operations enhance security
- Write-protect options include permanent and power-on protection
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