n g i s i l snext generation storage solution · n g i s i l snext generation storage solution ......
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N G i S S l iN G i S S l iNext Generation Storage SolutionNext Generation Storage Solution
-- UFS standard & Features UFS standard & Features ––UFS standard & Features UFS standard & Features
15 & 17 August 2012 Taiwan/KoreaS El t i C LtdSamsung Electronics Co. Ltd.
Sung H. Lee
Mobile Memory Forum 2012
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No more just communication
MOBILE TRENDSMOBILE TRENDSNo more just communication
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Mobile phone comm nicationMobile phone comm nicationMobile phone = communicationMobile phone = communication
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Mobile phone comm nicationMobile phone comm nicationMobile phone = communicationMobile phone = communication
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More than j st comm nicationMore than j st comm nicationMore than just communicationMore than just communication
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Smartphone become major in mobileSmartphone become major in mobileSmartphone become major in mobileSmartphone become major in mobile
• By 2013, over 60% of mobile phone will be hsmartphone
Price ($400↑)Smartphone
High-End Segment
Price ($200~400)
Price ($100~200)
Mid-End Segment
Price ($100~200) Feature Phone Low-End Segment
[Source : 2012 Samsung Mobile Marketing Team][Source : 2012 Samsung Mobile Marketing Team]
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The solution for future proof
UNIVERSAL FLASH STORAGEUNIVERSAL FLASH STORAGEThe solution for future proof
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SSD for MobileSSD for MobileSSD for MobileSSD for Mobile
Mobile PCMobile PC
eMMC SSD
• Low Power• Optimized for mobile usages • Flash Oriented features
• High Performance Serial Interface
• Asynchronous operation• Proven Architecture (SCSI)
UFSUFS
Best of the best
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The Fle ible Architect reThe Fle ible Architect reThe Flexible ArchitectureThe Flexible Architecture
• UFS adopts well-adopted industry standards; MIPI M PHY U i d T10 SCSIMIPI M-PHY, Unipro and T10 SCSI
Application Layer
Device Manager
pp yUFS Command Layer
SCSI Task manager
UFS Transport Protocol Layer(UTP)
UFS Interconnect Layer (UIL)
UniPro
M-PHY
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UFS S stem ModelUFS S stem ModelUFS System ModelUFS System Model
MI
MI
MI
MIP
I UniP
roSM
PI M
-PH
YS
M
PI UniPro
SM
PI M
-PH
YSM
UICHCI UTP / Application
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SCSI complianceSCSI complianceSCSI complianceSCSI compliance
• UFS compliance with SCSI
UFSUFS
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The Fastest Interface ith Lo Po erThe Fastest Interface ith Lo Po erThe Fastest Interface with Low PowerThe Fastest Interface with Low Power
• UFS exceeds current SSD interface with lower i d db active and standby power
– MIPI is working on 6G/12Gbps interface
2x lanes (option)
16.7x
2x lanes (option)
1 51200
100%
1.5x
1.1x1.3x
600
300MB/s200
600
UFS1.1
eMMC4.5
UFS 2.x
UFS 3.x
MB/s
Active StandbySATA 3
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The Scalable InterfacesThe Scalable InterfacesThe Scalable InterfacesThe Scalable Interfaces
• UFS supports multiple interface speeds– Host can adjust interface based on its’ needs in real
time
HS G2
PWM G4
HS G1
PWM G1 PWM G2PWM G3
PWM G4
3~9Mb/s 6~18Mb/s 12~36Mb/s 1.25~1.5Gb/s24~72Mb/s 2.5~3Gb/s
PerformancePowerPower
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Optimi ed for Random Optimi ed for Random Optimized for Random Optimized for Random
• Asynchronous operation & Queuing improves d irandom operation
– Better user experience with low latency CMD ①
CMD ③
CMD ①
CMD ②
CMD ③
CMD ④
CMD ⑤
CMD ①
CMD ②
5xUFS w/ cache & Queue
eMMC w/ cache
NAND chip2
CMD
…
32
CMD ④
CMD ⑤
NAND chip1
Sync w/o Queue
2x
CMD ①
CMD ②
CMD ③
CMD ④
CMD ①
CMD ②CMD ④
CMD ⑤
100%
NAND chip2
CMD
…
32
CMD ⑤
NAND chip1
Async w/ Queue
Random Read Random Write
Async w/ Queue
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No more S itching cost bet een PartitionsNo more S itching cost bet een PartitionsNo more Switching cost between PartitionsNo more Switching cost between Partitions
• Host can access multiple partitions (LU) at once– Host can address different LU at once– And assign the high priority LU among others
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Inherit Inherit eMMCeMMC Mobile Feat resMobile Feat resInherit Inherit eMMCeMMC Mobile FeaturesMobile Featurese.MMC4.5 UFS SATA
Interface Operation Full Duplex Dual SimplexInterface Operation - Full Duplex Dual Simplex
Future Expandability ~200MB/s 3Gbps ~12Gbps, Multi-Lane (option) 6Gbps
H/W reset Yes Yes NoAlternative Boot Yes Yes No Rom Multi-Partition Yes(4) Yes(8) No
Security feature
Trim Yes Yes YesDiscard Yes Yes NoRPMB Yes Yes No
Secure Erase S iti S iti NSecure Erase Sanitize Sanitize NoSecure Trim
High Priority Interrupt Yes Yes(LU/Queue) No
Back Ground Operation Yes Yes No
Performance Feature
OperationOperation Mode Sync Async Async
Packed CMD Yes Command Queuing Command QueuingData Tag Yes Yes No
Context ID Yes Yes NoC h O ti Y Y YCache Operation Yes Yes Yes
Reliability
Dynamic Capacity Yes Yes No
Power off notification Yes Yes No
Real Time Clock Yes Yes No
16
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Are we ready?
READINESSREADINESSAre we ready?
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UFS is coming sooner than o think UFS is coming sooner than o think UFS is coming sooner than you think …UFS is coming sooner than you think …
• Toshiba unveiled UFS at the meeting of MIPI lli i B li J 2012alliance in Berlin, June 2012
[Source: EETiimes 6/13/2012][Source: EETiimes 6/13/2012]
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UFS is coming sooner than o think UFS is coming sooner than o think UFS is coming sooner than you think …UFS is coming sooner than you think …
• Samsung UFS demo system, Nov. 2011
UFS host controllercontroller
UFS device
[Source: Samsung Flash Product Planning
UFS device
[Source: Samsung Flash Product Planning
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One IP for M ltiple P rposeOne IP for M ltiple P rposeOne IP for Multiple PurposeOne IP for Multiple Purpose
• MIPI is the most well adopted interface for mobile– M-PHY & Unipro is not just for UFS but also others
Camera 2011 2012
AP Modem
UFS IP
AB
UFS
BC
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UFS dri er is alread a ailableUFS dri er is alread a ailableUFS driver is already availableUFS driver is already available
• UFS Linux drivers is developed by LINARO– By end of ‘12, UFS 1.1 driver will be adopted in to
kernel 3.5.x
2012 2013Application
I/O M Kernel 3.5.x Kernel 3.7-8.xUFS 1.1I/O Manager
File System
1st UpstreamPatch
Upstream
Storage Class Driver
UFS Device Driver
UFS HCI
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Embedded Storage for Mobile ForecastEmbedded Storage for Mobile ForecastEmbedded Storage for Mobile ForecastEmbedded Storage for Mobile Forecast
• e-MMC will be strong market driver for mobile h h ’12 throughout ’12
• Transition to UFS will start in ’13 at high-end, including tabletc ud g a e
2012 2013 2014HighHigh‐‐endend
UFSUFSUFSUFS
ee‐‐MMCMMC
LowLow‐‐endend
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THANKSTHANKS