SD Standards & Technology Overview · SD Standards & Technology Overview Kazunori Nakano , Chair...

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© 2017 SD Association. All rights reserved. 1 1 SD Standards & Technology Overview Kazunori Nakano , Chair Marketing Committee April 24, 2017 SD Logos are trademark of SD 3C-LLC

Transcript of SD Standards & Technology Overview · SD Standards & Technology Overview Kazunori Nakano , Chair...

Page 1: SD Standards & Technology Overview · SD Standards & Technology Overview Kazunori Nakano , Chair Marketing Committee April 24, 2017 ... (Canon)/ Camera Shinichi Matsukawa ...

© 2017 SD Association. All rights reserved. 1 1

SD Standards & Technology

Overview

Kazunori Nakano , Chair Marketing Committee

April 24, 2017

SD Logos are trademark of SD 3C-LLC

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Agenda

• SD Association Overview • SD Standard Specification Overview

• Card Types • SD Specification Structure • SD Standard Evolution Summary • SD Logos & SDA Pictographs • Higher Capacity & Faster Interface Speed

• Market Trends Driving SD Card Innovations • UHS-II • Video Speed Class • Application Performance Class • Low Voltage Signaling Card

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SD Association Overview

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SD Association Organization

Board of Directors

Technical Committee Compliance Committee

Test Tools

Interoperability

Market Inspection

Compliance News

Designated Labs

Logo Guideline

SDA Public Web Site

SDA Brochure

Press Release

Promotional Exhibition

Promotional Seminar

Member Recruitment

Global Workshop

SD Association: SDA (www.sdcard.org)

・ Open Standard/ SD Card Standardization

・ Promotion and Adaption of SD Standard Worldwide

•Organization Established in 2000 •Member Company : Around 900 Companies Worldwide (as of Mar. 2017) •#1 Market Share in small size memory card in the world •Member Fee: Executive Member $4,500/year General Member $2,000/year

Planning Ad-hoc Committee Financial Committee

License Committee

Physical Specification

File System

Security

Application

SDIO

Host Controller

Test Guideline

Marketing Committee

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SDA Board of Directors

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SDA Membership and Benefit

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As a member you:

Get ACCESS TO ALL

STANDARDS

May have ACCESS to standards drafts BEFORE THE RELEASE, while they are under

development

May INFLUENCE standards under development and/or next generation standards

Get updates on SD standards

roadmap

May participate in Interoperability events

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Marketing Committee Organization 2016

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Marketing Committee Chair

Kazunori Nakano (Toshiba)

Application WG Chair: Shinji Inoue (Panasonic)

Tsutomu Ando (Canon)/ Camera

Shinichi Matsukawa (Toshiba)/ Security Oscar Lo (Phison) / smart microSD

UHS-II Market Research Ad-hoc Working Group

Chair :Open

Web WG Chair: Kaz Nakano (Toshiba)

Jennifer Bonner (GI) Emi Hatano (SanDisk)

Anne Tsuo (Allion) Oscar Lo (Phison)

Regional Marketing WG Open /US Chair Open /EU Chair

Kaz Nakano/Japan Chair (Toshiba)

Vamshi Kandalla/India Chair (Granite Liver Labs) Anne Tsou/ Taiwan Chair (Allion)

T.H.Kuang / Great China Chair (Phison)

Local China Regional Chairs (Under T. H. Kuang) James Xu (Netac)/Southern China Region Chair

Jeri Woo (Wuhan Tianyu)/Central China Region Chair

David Ding (Microflash)/Western China Region Chair tbd/Eastern China Region Chair

tbd/Northern China Region Chair

Logo Guideline WG Chair: Jeff Tsujimoto (SanDisk)

Esther Han (SanDisk) Shinji Inoue (Panasonic)

Global Public Website & Events Management Mana Shimizu (Acube)

Marketing & Events Support Belinda Lucero (GI)

TC Relations Advisory Directors

Takuji Maeda (Panasonic) Noriya Sakamoto (Toshiba)

Yosi Pinto (SanDisk)

CC Relations Advisory Directors

Minoru Ohara (Allion)

Tsutomu Ando (Canon)

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Technical Committee Organization

Yosi Pinto (SanDisk) Noriya Sakamoto (Toshiba)

Application WG Specification WG Advanced Security WG

Krishnamurthy

Dhakshinamurthy

(SanDisk)

Jun Sato (Toshiba)

Shinji Inoue (Panasonic)

Yoni Shternhell(SanDisk)

IO WG

File System TG

Audio TG

Visual TG

Binding AD

Document TG

SS TG

Katsutoshi Akagi (Bayhub)

Katsutoshi Akagi (Bayhub)

Akihisa Fujimoto (Toshiba)

Host TG

MS TG

Application Platform TG

Mechanical TG

Minoru Ohara (Allion)

OTP TG

UHS TG

Miki Takahashi (Granite River Labs)

Tadashi Ono (Panasonic)

eSD TG Core Security TG

Yoni Shternhell (SanDisk)

Shinichi Matsukawa (Toshiba)

GPS TG

PHS TG

Camera TG

Non-active groups in TC

Bluetooth TG

Test Guideline WG

Minoru Ohara (Allion)

Akihisa Fujimoto (Toshiba)

Content Format TG

Content Delivery TG NFC Ad-hoc

iSDIO TG

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Low Voltage TG

Janice Chiu (SMI)

Technical Committee

WiMAX TG

Random Performance TG

Krishnamurthy(SanDisk)

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Compliance Committee Organization

Compliance Committee

Co-Chair Minoru Ohara, Allion

Tsutomu Ando, Canon Inc.

Interoperability WG

Chair Minoru Ohara (Allion)

Compliance WG

Co-Chair Hiroto Okada (SolidGear) Shinji Inoue (Panasonic)

Test Tool Evaluation Ad-hoc

Managed by Compliance Committee Chair

*This group is set up based on requests from test tool vender

Designated Labs Allion Test Labs (SDHC/SDXC/UHS-I/UHS-II)

Panasonic (SDHC/SDXC/UHS-I)

Granite River Labs (UHS-II)

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SD Standard Specification Overview

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SD Card Types

Form Factors

Standard SD Card microSD Card

Functions

SD Memory Card SDIO Card SD Combo Card (SD Memory + SDIO Functions)

iSDIO Wireless LAN SD Card

iSDIO TransferJet SD Card

smart microSD microSD with Secure Element or with or without NFC interface

Memory Capacities

SDSC: Standard Capacity (≤ 2GB) SDHC: High Capacity (2GB< - ≤32GB) SDXC: eXtended Capacity (32GB< - ≤2TB)

Bus Interfaces

Non UHS (Non Ultra High Speed) Card UHS-I Card

UHS 50: SDR50 is mandatory (50MB/sec Max.) UHS104: SDR50 and SDR104 is mandatory (104MB/sec Max.)

UHS-II Card UHS156: FD156 is mandatory (Full Duplex 156MB/sec Max.) HD312 is optional (Half Duplex 312MB/sec Max.)

UHS-III Card UHS312: FD312 is mandatory (Full Duplex 312MB/sec Max.) UHS624: FD624 is mandatory (Full Duplex 624MB/sec Max.)

SD Logos are trademarks of SD 3C-LLC

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SD Standard Evolution Summary

(SDHC)

Application

Performance

Class 1 (A1)

Application

Performance

Class 1

Application

Performance

Class 2

SDA 6.00 A2

SD 5.1 (4Q/16)

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SD Logos & SDA Pictographs

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- SD Logos - - SDA Pictographs -

• SD/microSD Logo • SDHC/microSDHC Logo • SDXC/microSDXC Logo • smartSD/SDHC/SDXC Logo • SDIO Logo • Embedded SD Logo

• Speed Class Pictograph • UHS Speed Class Pictograph • Video Speed Class Pictograph • UHS Bus Pictograph • Application Performance Class Pictograph • SD Applications Format Pictograph • Smart Pictograph • Wireless LAN SD Pictograph

Important:

All SD Products shall comply with SD/SDA Logo Guidelines.

Only products that support a specific interface and/or speed class may use the logos on their

products and its documentation

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Specification

SDA SD-3C LLC SDA Specification SD Group Specification

SDA Pictographs SD Logos

Essential Patents

License Contract with SDA Contract with SD-3C LLC

Card

Host SDA License Agreement

( SDALA )

SDA Membership Agreement (SDAMA) CLA

License Scheme & Compliance

SD-3C HALA

Licensee should comply with SD/SDA Specifications and Logo Guideline (As Normative Document)

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Main SD Logos & SDA Pictographs

≤ 2GB

2GB< - ≤32GB

32GB< - ≤2TB

3. Speed Class Mark: for Video Record

2000

2006

2009

2010

1. SD Logo :Capacity(3 types) 2. Bus Mark :Data Transfer Performance

2011

2016 2010 2013 2006 2009

UHS-I UHS-II

High Speed Bus

2004

No Mark

2017

UHS-III (New)

Ultra High Speed Bus

UHS Speed Class Speed Class Video Speed Class

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Higher Capacity and Faster Interface Speed

SD Logos are trademarks of SD-3C LLC

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Bus Speed Mode

SDR : Single Data Rate (Use rising clock edge) DDR: Double Data Rate (Use rising and falling clock edge)

UHS: Ultra High Speed LVDS: Low Voltage Differential Signaling

Bus Mode Maximum

Frequency

Signal

Voltage

Bus

Maximum

Performance

Spec.

Version

Default Speed (DS) 25MHz 3.3V 12.5MB/sec 1.01

High Speed (HS) 50MHz 3.3V 25 MB/sec 1.10

UHS-I

SDR12 25MHz 1.8V 12.5MB/sec

3.01

SDR25 50MHz 1.8V 25 MB/sec

SDR50 100MHz 1.8V 50 MB/sec

SDR104 208MHz 1.8V 104 MB/sec

DDR50 50MHz 1.8V 50 MB/sec

UHS-II FD156 52MHz x 30 (PLL) LVDS 156 MB/sec 4.00

4.20 HD312 52MHz x 30 (PLL) LVDS 312 MB/sec

UHS-III FD312 52MHz x 60 (PLL) LVDS 312 MB/sec

6.00 FD624 52MHz x 120 (PLL) LVDS 624 MB/sec

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Trends for Removable Storage in Mobile devices

Source: Strategy Analy tics, October 2016

• Smartphone market is slowly saturating (in shipment terms)

• Technology is still developing rapidly (Multi cores, Speed, RAM increase etc..)

• Slotted smartphones steady at around 70%

• Card capacities still growing at 35% per year

• Low cost phones that allows consumers do memory expansion with cards are very popular in developing countries

• A trend of ‘True Memory Expansion’ allows applications to be stored and run from cards new requirements from cards

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Video Speed Class

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Minimum Sequential

Write Speed

Speed Classes

Speed Class

UHS Speed Class

Video Speed Class

(New)

90 MB/sec

60 MB/sec

30 MB/sec

10 MB/sec

6 MB/sec

4 MB/sec

2 MB/sec

SD Speed Class & Video Format/Application

Corresponding Video Format The necessary speed varies by each recording /

playback device condition, even in the same format. The expanded ranges below are possible

based on device capabilities (better resolution

possible even at lower speeds).

8K

Vid

eo

4K

Vid

eo

Sta

nd

ard

Vid

eo

Fu

ll HD

/ HD

Vid

eo

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Video Resolution

SD Speed Class & Video Resolution

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Application Performance Class

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Application Performance Class 1 & Class 2 –500 IOPS(A1)/2000 IOPS(A2) for random write

• 75% usage • 256 MB test range, RPTU

–1500 IOPS(A1)/4000 IOPS(A2) for random read

• After random write testing

–10MB/s for sequential write

• 100% usage • 1GB write with 4MB chunk

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Application Performance Class

Command Queue (mandatory for A2) Contributes mainly to random read performance

Multiple tasks can be handled at one time with arbitrary order

New tasks can be assigned during data transmission

Cache function (mandatory for A2) Contributes mainly to random write performance

Card may use higher speed volatile memory to cache the host data during

memory card access operation

To eliminate data loss – flush commands are used (flush operation - 1sec max)

Self-Maintenance Contributes to better memory access performance

Allows internal background data management

May be initiated either by card or by the host based on the card’s internal

needs

microSD cards with A1 logo are recommended for use in Card Adoption mode or if the card is used for Applications

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Low Voltage Signaling

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Low Voltage Signaling Legacy UHS-I cards may support 1.8v signaling, however the must be initialized by 3.3v.

New SoC technology prefers only 1.8v signaling

The LVS cards can work either with 3.3v or 1.8v signaling from Init using an automatic signaling level detection mechanism

LVS cards are fully backward compatible

ALL “A2” cards will support LVS as well

Page 25: SD Standards & Technology Overview · SD Standards & Technology Overview Kazunori Nakano , Chair Marketing Committee April 24, 2017 ... (Canon)/ Camera Shinichi Matsukawa ...

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Summary of New SD Standards

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SDA defined until today performance standards for sequential writes serving the imaging

market with focus on growing demands of video capturing

SDA defined UHS-II gen 2 UHS-III (624MB/s) to further enhance these market needs

But its not just about storing content anymore…its App Running demanding enhanced random

access…

SDA defined Application Perf Class A1 last November and now A2 along with enhanced features; Command

Queuing, Cache and Maintenance

Evolving technology trends of mobile SoCs raised a request to operate only with 1.8v Signaling (w/o need for 3.3v initialization)

SDA defined the Low Voltage Signaling card with full backward compatibility

New evolving technologies of multi-core, high-speed IOs will raise even higher demands for SD

card performance in high end applications

SDA is currently developing the next generation SD card. If you are interested to follow the evolving standard as it evolves or even contribute to the standardization process - you are welcome to join the effort and participate in SDA’s standard development activities

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Thank you!

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www.sdcard.org

SD Logos are trademark of SD ,3C-LLC