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ac6 >> ac6-training >> Communication >> Storage >> Universal Flash Storage (UFS 2.0)

IS4 Universal Flash Storage (UFS 2.0)

This course covers UFS 2.0 , which is the enhanced version of MMC standard

OBJECTIVES

This course explains how SCSI commands are transported over UFS.
The hardware layer is detailed, including the analog part.
Using UniPro as a tunnel to transport upper protocols.
The course explains how command can be queued, enabling multi-threading.
The course describes the low power modes.
Secure aspects, such as secure erase and authenticated transfers are explained.
The UFS Host Controller Interface is also covered.

A more detailed course description is available on request at training@ac6-training.com

Prerequisites

Experience of mass-storage interface, such as SD/MMC, USB mass storage class or SATA is recommended.

OVERVIEW

Objectives of UFS specification, relationship with MIPI
Universal SCSI command set, transport over UFS
Layered specification
System model, definition of what is a Logical Unit
Comparing UFS with MMC, highlighting the differences

M-PHY

Architecture and operation
Termination scheme
Signaling schemes
Pulse Width Modulation
Embedding clock into the bitstream, 8b10b coding
Control symbols
DC-balancing, running disparity
PHY state definition
Transitions between states
HS-MODE BURST Operation
Bidirectional SYS-BURST Clocking
Multilane Operation
Test modes
Electrical characteristics, eye-diagrams
UFS requirements regarding M-PHY attributes

UNIPRO

Overview of UNIPRO layered protocol
UNIPRO LINK LAYER
UNIPRO NETWORK LAYER
UNIPRO TRANSPORT LAYER

UFS INTERCONNECT

Clock, reset and power supplies
Reset, power-up and power-down sequences
Power modes, relationship with Link power states
Logical Unit reset

UFS TRANSPORT PROTOCOL (UTP )

UPIU generic format
Data pacing on write transactions
UCS related UPIUs
Task management related UPIUs
Query related UPIUs

SCSI COMMANDS

Command Descriptor Block
Detailing the INQUIRY Command
Managing a Block cache in the device
Detailing the REQUEST_SENSE Command
Detailing the READ_CAPACITY Command
READ, WRITE and PRE-FETCH Commands
SYNCHRONIZE_CACHE Command
Sequence to write data and verify them
VERIFY Command
Thin provisioning, logical block address space vs physical block address space
UNMAP Command
FORMAT_UNIT Command

SECURITY

Secure mode, secure removal, Purge operation
Device data protection
Replay Protected Memory Block
Security protocol commands
Authenticated read and write sequences

UFS FUNCTIONAL DESCRIPTION

Data transfer rules with RTT
Boot Logical Units operation
Logical Unit management
Logical block provisioning
Host device interaction
Background operation mode
Dynamic device capability
Data reliability
Context management
System data tag mechanism
Reporting exception events to the host

UFS DESCRIPTORS

Descriptor, attributes and flags
Enumeration
Accessing descriptors

HOST CONTROLLER INTERFACE

UTMRD list
UTRD list, UTP transfer request descriptor, UTP command descriptor
Implementing DMA transfer through Physical Region Descriptor Table
UniPro / M-PHY software interface, UIC command
Interrupt management, aggregation

This course can be provided either remotely or in our Paris training center or, worldwide, on your premises. Scheduled classes are confirmed as soon as there is two confirmed bookings.

To book a training session or for more information, please contact us on info@ac6-training.com.

Registrations are accepted till one week before the start date for scheduled classes. For late registrations, please consult us.

You can also fill and send us the registration form

Last update of course schedule: 12 February 2020

Booking one of our trainings is subject to our General Terms of Sales

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