Cactus CFast Manuel utilisateur
Cactus Technologies, Limited
Industrial Grade
CFast Card
Product Manual
October 30, 2012
Corporate Headquarters
Suite C, 15/F, Capital Trade Center
62 Tsun Yip Street, Kwun Tong
Kowloon, Hong Kong
1
Cactus Technologies, Limited
The information in this manual is preliminary and is subject to change without notice. Cactus Technologies ® , Limited shall not
be liable for technical or editorial errors or omissions contained herein; nor for incidental or consequential damages resulting
from the furnishing, performance, or use of this material.
Cactus Technologies® makes no warranty, representation or guarantee regarding the suitability of its products for any
particular purpose, nor does Cactus Technologies® assume any liability arising out of the application or use of its products, and
specifically disclaims any and all liability, including without limitation consequential or incidental damages.
Cactus Technologies® products are not designed, intended or authori ed for use as components in systems intended for surgical
implant into the body or in other applications intended to support or sustain life or for any application where the failure of a
Cactus Technologies® product can result in personal injury or death. Users of Cactus Technologies® products for such
unintended and unauthori ed applications shall assume all risk of such use and shall indemnify and hold Cactus
Technologies® and its officers, employees, subsidiaries, affiliates and distributors harmless against all claims, costs, damages,
expenses and attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such
unintended and unauthori ed use, even if such claim alleges that Cactus Technologies® was negligent regarding the design or
manufacture of the part.
All parts of the Cactus Technologies® documentation are protected by copyright law and all rights are reserved. This
documentation may not, in whole or in part, be copied, photocopied, reproduced, translated, or reduced to any electronic
medium or machine-readable form without prior consent, in writing, from Cactus Technologies®, Limited.
© 2005-2012 Cactus Technologies® Limited. All rights reserved.
Cactus Technologies Limited Industrial Grade CFast Card Product Manual v1.1 2
Cactus Technologies, Limited
Table of Contents
1.Introduction to Cactus Technologies® Industrial Grade CFast Products ...............................................................4
1.1.Supported Standards.............................................................................................................................. 5
1.2.Product Features.................................................................................................................................... 5
1.2.1.Host and Technology Independence.............................................................................................5
1.2.2. efect and Error Management.....................................................................................................5
1.2.3.Power Supply Requirements........................................................................................................ 6
2.Product Specifications............................................................................................................................................ 6
2.1.System Environmental Specifications....................................................................................................6
2.2.System Power Requirements................................................................................................................. 6
2.3.System Performance.............................................................................................................................. 7
2.4.System Reliability................................................................................................................................. 7
2.5.Physical Specifications.......................................................................................................................... 7
2.5.1.CFast Card Physical Specifications..............................................................................................8
3.nterface escription.............................................................................................................................................. 11
3.1.CFast Pin Assignments and Pin Type................................................................................................... 11
3.1.1.Optional Write Protect Function.................................................................................................12
3.2.Electrical Specifications...................................................................................................................... 12
3.2.1.Absolute Maximum Ratings....................................................................................................... 12
3.2.2. C Characteristics..................................................................................................................... 12
3.2.3.AC Characteristics..................................................................................................................... 13
4.ATA rive Register Set efinition and Protocol.................................................................................................. 13
4.1.ATA Task File efinitions.................................................................................................................. 13
4.1.1. ata Register............................................................................................................................. 13
4.1.2.Error Register............................................................................................................................ 13
4.1.3.Feature Register......................................................................................................................... 14
4.1.4.Sector Count Register................................................................................................................ 14
4.1.5.Sector Number (LBA 7-0) Register............................................................................................14
4.1.6.Cylinder Low (LBA 15-8) Register............................................................................................14
4.1.7.Cylinder High (LBA 23-16) Register.........................................................................................14
4.1.8. rive/Head (LBA 27-24) Register............................................................................................. 14
4.1.9.Status Registers.......................................................................................................................... 15
4.1.10. evice Control Register........................................................................................................... 15
4.1.11. rive Address Register............................................................................................................ 16
5.ATA Command escription................................................................................................................................. 16
5.1.ATA Command Set............................................................................................................................. 17
5.1.1.Identify rive—ECH................................................................................................................. 18
Appendix A. Ordering Information.......................................................................................................................... 20
Appendix B.Technical Support Services.................................................................................................................. 21
Appendix C.Cactus Technologies® Worldwide Sales Offices................................................................................. 22
Appendix .Limited Warranty................................................................................................................................ 23
Cactus Technologies Limited Industrial Grade CFast Card Product Manual v1.1 3
Cactus Technologies, Limited
1.Introduction to Cactus Technologies®
Industrial Grade CFast Products
Features:
•Solid state design with no mo ing parts
•Industry standard CFast Type I form factor
•Capacities from 1GB to 32GB
•Compliant with Serial ATA 2.6 specifications
•Supports Serial ATA Generation I/II transfer rate of 1.5/3.0Gbps
•Support ATA SMART Feature Set
•Support ATA Security Feature Set
•Optional Write Protect switch
•BCH ECC capable of correcting 8 random single bit errors per sector
•High reliability, MTBF > 4,000,000 hrs.
•Enhanced error correction, < 1 error in 1014 bits read
•Intelligent power management to reduce power consumption
•Voltage support: 3.3V±10%
The Cactus Technologies® CFast card is a high capacity solid-state flash memory product
that complies with the Serial ATA 2.6 standard and is functionally compatible with a SATA
hard disk dri e. Cactus Technologies® CFast cards pro ide up to 32GB of formatted storage
capacity.
The Cactus Technologies® CFast product uses high quality SLC NAND flash memory from
well known endors, such as Samsung Corporation. In addition, it include an on-dri e
intelligent controller that manages interface protocols, data storage and retrie al as well as
ECC, defect handling and diagnostics, power management, and clock control. The
controller’s firmware is upgradeable, thus allowing feature enhancements and firmware
updates while keeping the BOM stable.
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Cactus Technologies, Limited
1.1. Supported Standards
Cactus Technologies® CFast card is fully compatible with the following specification:
•ATA 7 Specification published by ANSI: X3.221 AT Attachment Interface for Disk
Dri es
•Serial ATA 2.6 Specification published by the Serial ATA International Organization
•CFast 1.1 Specification published by CFA
1.2. Product Features
Cactus Technologies® Industrial CFast card contains a high le el, intelligent controller. This
intelligent controller pro ides many capabilities including the following:
•Standard ATA register and command set (same as found on most magnetic disk
dri es).
•Manages details of erasing and programming flash memory independent of the host
system
•Sophisticated defect managing capabilities (similar to magnetic disk dri es).
•Sophisticated system for error reco ery using powerful error correction code (ECC).
•Intelligent power management for low power operation.
1.2.1. Host and Technology Independence
Cactus Technologies® Industrial CFast card appears as a standard SATA disk dri e to the
host system. The dri e utilizes a 512-byte sector which is the same as that in an IDE
magnetic disk dri e. To write or read a sector (or multiple sectors), the host computer
software simply issues an ATA Read or Write command to the dri e as per the SATA
protocol. The host software then waits for the command to complete. The host system does
not get in ol ed in the details of how the flash memory is erased, programmed or read as
this is all managed by the built-in controller in the dri e. Also, with the intelligent on-board
controller, the host system software will not require changing as new flash memory e ol es.
Thus, systems that support the Cactus Technologies® Industrial CFast products today will
continue to work with future Cactus Technologies® Industrial CFast cards built with new flash
technology without ha ing to update or change host software.
1.2.2. efect and Error Management
Cactus Technologies® Industrial CFast card contains a sophisticated defect and error
management system similar to those found in magnetic disk dri es. The defect
management is completely transparent to the host and does not consume any user data
space.
The soft error rate for Cactus Technologies® Industrial CFast card is much lower than that of
magnetic disk dri es. In the extremely rare case where a read error does occur, the dri e
has sophisticated ECC to reco er the data.
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Cactus Technologies, Limited
These defect and error management systems, coupled with the solid-state construction, gi e
Cactus Technologies® Industrial CFast cards unparalleled reliability.
1.2.3. Power Supply Requirements
Cactus Technologies® Industrial CFast card operates at a oltage range of 3.3 olts ± 10%.
2.Product Specifications
For all the following specifications, alues are defined at ambient temperature and nominal
supply oltage unless otherwise stated.
2.1. System Environmental Specifications
Table 2-1. Environmental Specifications
Cactus Technologies®
Industrial CFast
Temperature Operating: 0° C to +70° C
(Standard)
-45° C to +90° C
(Extended)
Humidity Operating & Non-
Operating:
8% to 95%, non-
condensing
Vibration Operating & Non-
Operating:
20G, MIL-STD-883G
Method 2005.2,
Condition A
Shock Operating & Non-
Operating:
3,000 G, MIL-STD-883G
Method 2002.4,
Condition C
Altitude (relative to
sea level)
Operating & Non-
Operating:
100,000 feet maximum
2.2. System Power Requirements
Table 2-2. Power Requirements
Cactus Technologies®
Industrial CFast
C Input Voltage
(VCC)
100 mV max.
ripple (p-p)
3.3V ±10%
(Maximum
Average Value)
See Notes.
Sleep:
Reading:
Writing:
210 mA
360 mA
480 mA
Cactus Technologies Limited Industrial Grade CFast Card Product Manual v1.1
Cactus Technologies, Limited
NOTES: All alues quoted are typical at ambient temperature and nominal supply
oltage unless otherwise stated.
Sleep mode is specified under the condition that all dri e inputs are static CMOS
le els and in a “Not Busy“ operating state.
2.3. System Performance
All performance timings assume the dri e controller is in the default (i.e., fastest) mode.
Table 2-3. Performance
Start Up Times Reset to ready: 35 msec typical
Read Transfer
Rate
Up to 85MBytes/sec
Write Transfer
Rate
Up to 80 Mbytes/sec
Controller
Overhead
Command to
DRQ
2 msec maximum
.
2.4. System Reliability
Table 2-4. Reliability
MTBF (@ 25°C) > 4,000,000 hours
Data Reliability < 1 non-reco erable error in 1014 bits READ
Endurance: > 2,000,000 erase/program cycles
2.5. Physical Specifications
The following sections pro ide the physical specifications for Cactus Technologies®
Industrial CFast products.
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Cactus Technologies, Limited
2.5.1. CFast Card Physical Specifications
Cactus Technologies Limited Industrial Grade CFast Card Product Manual v1.1 8
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Figure 2-1. Type I CFast Card imensions
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Cactus Technologies, Limited
Figure 2-2. Type I CFast Card with Write Protect switch
Cactus Technologies Limited Industrial Grade CFast Card Product Manual v1.1 10
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