TS32/64/128GSSD18M-M
1.8” Portable Solid State Drive
Description
Features
Transcend’s 1.8" Solid State Drive (SSD) advanced,
eSATA / USB 2.0 external storage device is the
perfect way to add an extra hard drive to your
computer for downloading, backing up, and
transporting and your data. With both eSATA and
USB 2.0 connection options, the SSD18M gives you
the ultimate in flexibility. The USB interface provides
maximum compatibility with all types of notebooks
and PCs, while the new high-speed eSATA interface
gives you the maximum performance possible from
your SSD with transfer speeds up to 90MB/s.
Combining portability, reliability, and elegant exterior,
the SSD18M is the perfect choice for downloading,
backing up, and transporting all your data.
• Build-in 1.8” high-speed solid state drive
• Slim, lightweight, pocket-friendly size
• Faster and more durable than 1.8”/2.5” hard drives
• Two connection options: eSATA or USB2.0
• Shock and vibration resistance
• LED indicator light
Dimensions
Side
A
Millimeters
80.00 1.00
50.00 1.00
12.50 1.00
Inches
3.150 0.040
1.969 0.040
0.492 0.040
B
C
Placement
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1.8” Portable Solid State Drive
Package Dimensions
Below figure illustrates the Transcend 1.8 inch Portable Solid State Drive. All dimensions are in mm.
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1.8” Portable Solid State Drive
Pin Assignments
Pinouts (USB)
Pin Identification (USB)
Symbol
Function
USB differential signal
Pin No.
Pin Name
01
02
03
04
VCC
USB-
USB+
VSS
USB-
The pair are used to transmit
Data/Address/Command
USB+
VCC
VSS
USB Cable Power Detector
Ground
Pin Identification (eSATA)
Pinouts (eSATA)
Pin No.
Symbol
Function
eSATA differential signal
Pin Name
TX+/TX-
01
02
03
04
05
06
07
VSS
TX+
TX-
The two pairs are used to transmit
Data/Address/Command
RX+/RX-
VSS
Ground
VSS
RX-
RX+
VSS
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TS32/64/128GSSD18M-M
1.8” Portable Solid State Drive
Block Diagram
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TS32/64/128GSSD18M-M
1.8” Portable Solid State Drive
Reliability
Wear-Leveling algorithm
The controller supports static/dynamic wear leveling. When the host writes data, the controller will find and use the block
with the lowest erase count among the free blocks. This is known as dynamic wear leveling. When the free blocks' erase
count is higher than the data blocks', it will activate the static wear leveling, replacing the not so frequently used user
blocks with the high erase count free blocks.
ECC algorithm
The controller use BCH8 ECC algorithm per 512 bytes. BCH8 can correct up to 8 random error bits within 512 data bytes.
Bad-block management
When the flash encounters ECC failed, program fail or erase fail, the controller will mark the block as bad block to prevent
the used of this block and caused data lost later on.
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TS32/64/128GSSD18M-M
1.8” Portable Solid State Drive
SATA Interface
Out of bank signaling
There shall be three Out Of Band (OOB) signals used/detected by the Phy: COMRESET, COMINIT, and COMWAKE.
COMINIT, COMRESET and COMWAKE OOB signaling shall be achieved by transmission of either a burst of four Gen1
ALIGNP primitives or a burst composed of four Gen1 Dwords with each Dword composed of four D24.3 characters, each
burst having a duration of 160 UIOOB. Each burst is followed by idle periods (at common-mode levels), having durations as
depicted in Figure 4 and Table 2.
Figure 4 : OOB signals
Table 2 : OOB signal times
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TS32/64/128GSSD18M-M
1.8” Portable Solid State Drive
COMRESET
COMRESET always originates from the host controller, and forces a hardware reset in the device. It is indicated by
transmitting bursts of data separated by an idle bus condition. The OOB COMRESET signal shall consist of no less than six
data bursts, including inter-burst temporal spacing. The COMRESET signal shall be:
1) Sustained/continued uninterrupted as long as the system hard reset is asserted, or
2) Started during the system hardware reset and ended some time after the negation of system hardware reset, or
3) Transmitted immediately following the negation of the system hardware reset signal.
The host controller shall ignore any signal received from the device from the assertion of the hardware reset signal until the
COMRESET signal is transmitted. Each burst shall be 160 Gen1 UI’s long (106.7 ns) and each inter-burst idle state shall be
480 Gen1 UI’s long (320 ns). A COMRESET detector looksfor four consecutive bursts with 320 ns spacing (nominal). Any
spacing less than 175 ns or greater than 525 ns shall invalidate the COMRESET detector output. The COMRESET
interface signal to the Phy layer shall initiate the Reset sequence shown in Figure 5 below. The interface shall be held
inactive for at least 525 ns after the last burst to ensure far-end detector detects the negation properly.
Figure 5 : comreset sequence
Description:
1. Host/device are powered and operating normally with some form of active communication.
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1.8” Portable Solid State Drive
2. Some condition in the host causes the host to issue COMRESET
3. Host releases COMRESET. Once the condition causing the COMRESET is released, the host releases the COMRESET
signal and puts the bus in a quiescent condition.
4. Device issues COMINIT – When the device detects the release of COMRESET, it responds with a COMINIT. This is also
the entry point if the device is late starting. The device may initiate communications at any time by issuing a COMINIT.
5. Host calibrates and issues a COMWAKE.
6. Device responds – The device detects the COMWAKE sequence on its RX pair and calibrates its transmitter (optional).
Following calibration the device sends a six burst COMWAKE sequence and then sends a continuous stream of the ALIGN
sequence starting at the device's highest supported speed. After ALIGNP Dwords have been sent
for 54.6us (2048 nominal Gen1 Dword times) without a response from the host as determined by detection of ALIGNP
primitives received from the host, the device assumes that the host cannot communicate at that speed. If additional speeds
are available the device tries the next lower supported speed by sending ALIGNP Dwords at that rate for
54.6 us (2048 nominal Gen1 Dword times.) This step is repeated for as many slower speeds as are supported. Once the
lowest speed has been reached without response from the host, the device enters an error state.
7. Host locks – after detecting the COMWAKE, the host starts transmitting D10.2 characters at its lowest supported rate.
Meanwhile, the host receiver locks to the ALIGN sequence and, when ready, returns the ALIGN sequence to the device at
the same speed as received. A host shall be designed such that it acquires lock in 54.6us (2048
nominal Gen1 Dword times) at any given speed. The host should allow for at least 873.8 us (32768 nominal Gen1 Dword
times) after detecting the release of COMWAKE to receive the first ALIGNP. This ensures interoperability with
multi-generational and synchronous designs. If no ALIGNP is received within 873.8 us (32768 nominal Gen1 Dword times)
the host restarts the power-on sequence – repeating indefinitely until told to stop by the Application layer.
8. Device locks – the device locks to the ALIGN sequence and, when ready, sends SYNCP indicating it is ready to start
normal operation.
9. Upon receipt of three back-to-back non-ALIGNP primitives, the communication link is established and normal operation
may begin.
COMINIT
COMINIT always originates from the drive and requests a communication initialization. It is electrically identical to the
COMRESET signal except that it originates from the device and is sent to the host. It is used by the device to request a
reset from the host in accordance to the sequence shown in Figure 6, below.
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1.8” Portable Solid State Drive
Figure 6 : cominit sequence
Description:
1. Host/device are powered and operating normally with some form of active communication.
2. Some condition in the device causes the device to issues a COMINIT
3. Host calibrates and issues a COMWAKE.
4. Device responds – The device detects the COMWAKE sequence on its RX pair and calibrates its transmitter (optional).
Following calibration the device sends a six burst COMWAKE sequence and then sends a continuous stream of the ALIGN
sequence starting at the device's highest supported speed. After ALIGNP Dwords have been sent for 54.6 us (2048 nominal
Gen1 Dword times) without a response from the host as determined by detection of ALIGNP primitives received from the
host, the device assumes that the host cannot communicate at that speed. If additional speeds are available the
device tries the next lower supported speed by sending ALIGNP Dwords at that rate for 54.6 us (2048 nominal Gen1 Dword
times.) This step is repeated for as many slower speeds as are supported. Once the lowest speed has been reached
without response from the host, the device enters an error state.
5. Host locks – after detecting the COMWAKE, the host starts transmitting D10.2 characters at its lowest supported rate.
Meanwhile, the host receiver locks to the ALIGN sequence and, when ready, returns the ALIGN sequence to the device at
the same speed as received. A host shall be designed such that it acquires lock in 54.6 us (2048 nominal Gen1 Dword
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1.8” Portable Solid State Drive
times) at any given speed. The host should allow for at least 873.8 us (32768 nominal Gen1 Dword times) after detecting
the release of COMWAKE to receive the first ALIGNP. This ensures interoperability with multi-generational and
synchronous designs. If no ALIGNP is received within 873.8 us (32768 nominal Gen1 Dword times) the host restarts the
power-on sequence – repeating indefinitely until told to stop by the Application layer. 6. Device locks – the device locks to
the ALIGN sequence and, when ready, sends SYNCP indicating it is ready to start normal operation.
6. Upon receipt of three back-to-back non-ALIGNP primitives, the communication link is established and normal operation
may begin.
Power on sequence timing diagram
The following timing diagrams and descriptions are provided for clarity and are informative.
Figure 7 : power on sequence
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1.8” Portable Solid State Drive
Description:
1. Host/device power-off - Host and device power-off.
2. Power is applied - Host side signal conditioning pulls TX and RX pairs to neutral state (common mode voltage).
3. Host issues COMRESET
4. Host releases COMRESET. Once the power-on reset is released, the host releases the COMRESET signal and puts the
bus in a quiescent condition.
5. Device issues COMINIT – When the device detects the release of COMRESET, it responds with a COMINIT. This is also
the entry point if the device is late starting. The device may initiate communications at any time by issuing a COMINIT.
6. Host calibrates and issues a COMWAKE.
7. Device responds – The device detects the COMWAKE sequence on its RX pair and calibrates its transmitter (optional).
Following calibration the device sends a six burst COMWAKE sequence and then sends a continuous stream of the ALIGN
sequence starting at the device's highest supported speed. After ALIGNP primitives have been sent for 54.6 us (2048
nominal Gen1 Dword times) without a response from the host as determined by detection of ALIGNP primitives received
from the host, the device assumes that the host cannot communicate at that speed. If additional speeds are available the
device tries the next lower supported speed by sending ALIGNP primitives at that rate for 54.6 us (2048 nominal Gen1
Dword times.) This step is repeated for as many slower speeds as are supported. Once the lowest speed has been reached
without response from the host, the device shall enter an error state.
8. Host locks – after detecting the COMWAKE, the host starts transmitting D10.2 characters at its lowest supported rate.
Meanwhile, the host receiver locks to the ALIGN sequence and, when ready, returns the ALIGN sequence to the device at
the same speed as received. A host shall be designed such that it acquires lock in 54.6 us (2048 nominal Gen1 Dword
times) at any given speed. The host should allow for at least 873.8 us (32768 nominal Gen1 Dword times) after detecting
the release of COMWAKE to receive the first ALIGNP. This insures interoperability with multi-generational and synchronous
designs. If no ALIGNP is received within 873.8 us (32768 nominal Gen1 Dword times) the host restarts the power-on
sequence – repeating indefinitely until told to stop by the Application layer.
9. Device locks – the device locks to the ALIGN sequence and, when ready, sends the SYNCP primitive indicating it is ready
to start normal operation.
10. Upon receipt of three back-to-back non-ALIGNP primitives, the communication link is established and normal operation
may begin.
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1.8” Portable Solid State Drive
ATA command register
This table with the following paragraphs summarizes the ATA command set.
Command Table
PARAMETERS USED
Command Name
Code
SC
X
SN
X
CY
X
DR
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
HD
X
FT
X
X
X
X
X
X
X
X
X
X
X
O
O
X
X
X
X
X
X
X
X
O
X
X
O
X
X
X
CHECK POWER MODE
EXECUTE DIAGNOSTICS
FLUSH CACHE
E5h
90h
X
X
X
X
E7h
X
X
X
O
O
X
FLUSH CACHE EXT
IDENTIFY DEVICE
IDLE
EAh
X
X
X
ECh
E3h
X
X
X
O
X
X
X
X
IDLE IMMEDIATE
INITIALIZE DEVICE PARAMETERS
READ BUFFER
E1h
X
X
X
91h
O
X
X
X
O
X
E4h
X
X
READ DMA
C8h or C9h
25h
O
O
O
O
O
O
O
O
O
O
X
O
O
O
O
O
O
O
O
O
O
X
O
O
O
O
O
O
O
O
O
O
X
O
O
O
O
O
O
O
O
O
O
X
READ DMA EXT
READ FPDMA QUEUED
READ LOG EXT
60h
2Fh
READ MULTIPLE
READ MULTIPLE EXT
READ SECTOR(S)
READ SECTOR(S) EXT
READ VERIFY SECTOR(S)
READ VERIFY SECTOR(S) EXT
RECALIBRATE
C4h
29h
20h or 21h
24h
40h or 41h
42h
10h
SEEK
7xh
X
X
O
X
O
X
SET FEATURES
EFh
O
O
X
X
SET MULTIPLE MODE
SLEEP
C6h
X
X
X
E6h
X
X
X
SMART
B0h
X
X
O
X
X
STANDBY
E2h
X
X
X
STANDBY IMMEDIATE
WRITE BUFFER
E0h
X
X
X
X
E8h
X
X
X
X
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1.8” Portable Solid State Drive
WRITE DMA
CAh or CBh
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
X
X
X
O
X
X
X
X
X
WRITE DMA EXT
35h
WRITE DMA FUA EXT
WRITE FPDMA QUEUED
WRITE MULTIPLE
3Dh
61h
C5h
WRITE MULTIPLE EXT
WRITE MULTIPLE FUA EXT
WRITE SECTOR(S)
WRITE SECTOR(S) EXT
39h
CEh
30h or 31h
34h
Note:
O = Valid, X = Don't care
SC = Sector Count Register
SN = Sector Number Register
CY = Cylinder Low/High Register
DR = DEVICE SELECT Bit (DEVICE/HEAD Register Bit 4)
HD = HEAD SELECT Bit (DEVICE/HEAD Register Bit 3-0)
FT = Features Register
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TS32/64/128GSSD18M-M
1.8” Portable Solid State Drive
ATA Command Specifications
CHECK POWER MODE (E5h)
The host can use this command to determine the current power management mode.
EXECUTE DIAGNOSTICS (90h)
This command performs the internal diagnostic tests implemented by the drive.
FLUSH CACHE (E7h)
This command is used by the host to request the device to flush the write cache. If there is data in the write cache, that data
shall be written to the media. The BSY bit shall remain set to one until all data has been successfully written or an error
occurs.
FLUSH CACHE EXT (EAh)
48-bit feature set mandatory command. This command is used by the host to request the device to flush the write cache. If
there is data in the write cache, that data shall be written to the media. The BSY bit shall remain set to one until all data has
been successfully written or an error occurs.
IDENTIFY DEVICE (ECh)
This commands read out 512Bytes of drive parameter information. Parameter Information consists of the arrangement and
value as shown in the following table. This command enables the host to receive the Identify Drive Information from the
device.
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1.8” Portable Solid State Drive
Identify Device Information Default Value
Word
Value
F/V
Description
General configuration bit-significant information:
0
0040h
F
X
X
X
V
X
15
0 = ATA device
14-8 Retired
7-6 Obsolete
5-3 Retired
2
1
0
Reserved
Retired
Reserved
F
V
F
X
F
Number of logical cylinders
1
2
3FFFh
C837h
0010h
0000h
003Fh
0000h
0000h
XXXXh
0000h
0000h
XXXXh
XXXXh
8001h
Specific configuration
Number of logical heads
Retired
3
4-5
6
Number of logical sector per logical track
Reserved for assignment by the CompactFlash_ Association
Retired
7-8
9
X
F
X
X
F
F
Serial number (20 ASCII characters)
Retired
10-19
20-21
22
Obsolete
Firmware revision (8 ASCII characters)
Model number (40 ASCII characters)
23-26
27-46
47
F
F
F
F
15-8 80h
7-0 00h = Reserved
01h = Maximum number of 1 sectors on READ/WRITE MULTIPLE commands
Reserved
48
49
0000h
2F00h
Capabilities
15-14 Reserved for the IDENTIFY PACKET DEVICE command.
F
F
13
1 = Standby timer values as specified in this standard are supported
0 = Standby timer values shall be managed by the device
Reserved for the IDENTIFY PACKET DEVICE command.
1 = IORDY supported
12
11
0 = IORDY may be supported
F
F
F
X
10
9
1 = IORDY may be disabled
1 = LBA supported
8
1 = DMA supported.
7-0 Retired
Capabilities
50
4000h
F
F
15
14
Shall be cleared to zero.
Shall be set to one.
13-2 Reserved.
X
F
1
0
Obsolete
Shall be set to one to indicate a device specific Standby timer value minimum.
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F
1.8” Portable Solid State Drive
15-8 PIO data transfer cycle timing mode
51
0000h
7-0 Reserved
X
Obsolete
52
0000h
F
F
15-3 Reserved
2
1
0
1 = the fields reported in word 88 are valid
0 = the fields reported in word 88 are not valid
1 = the fields reported in words 70:64 are valid
F
X
53
0007h
0 = the fields reported in words 70:64 are not valid
1 = the fields reported in words 58:54 are valid
0 = the fields reported in words 58:54 are not valid
X
X
X
X
Number of current cylinders
Number of current heads
54
55
XXXXh
00XXh
XXXXh
XXXXh
Number of current sector per track
56
Current capacity in sectors
15-9 Reserved
57-58
V
V
8
1 = Multiple sector setting is valid
59
0101h
7-0
xxh = Setting for number of sectors that shall be transferred per interrupt on R/W Multiple
command
F
X
Total number of user addressable sectors
60-61
62
XXXXh
0000h
Obsolete
F
V
15-11 Reserved
10
1 = Multiword DMA mode 2 is selected
0 = Multiword DMA mode 2 is not selected
1 = Multiword DMA mode 1 is selected
0 = Multiword DMA mode 1 is not selected
1 = Multiword DMA mode 0 is selected
0 = Multiword DMA mode 0 is not selected
V
V
9
8
63
0007h
7-3 Reserved
F
F
F
2
1
0
1 = Multiword DMA mode 2 and below are supported
1 = Multiword DMA mode 1 and below are supported
1 = Multiword DMA mode 0 is supported
15-8 Reserved
64
0003h
F
F
7-0 Advanced PIO modes supported
Minimum Multiword DMA transfer cycle time per word
Manufacturer’s recommended Multiword DMA transfer cycle time
Minimum PIO transfer cycle time without flow control
Minimum PIO transfer cycle time with IORDY flow control
Reserved
65
66
0078h
0078h
0078h
0078h
0000h
0000h
F
F
F
67
68
69-70
71-74
Reserved for the IDENTIFY PACKET DEVICE command
Queue depth
15-5 Reserved
75
0000h
F
4-0
Maximum queue depth – 1
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Serial ATA Capabilities
1.8” Portable Solid State Drive
76
0206h
15-11 Reserved for Serial ATA
F
F
F
10
9
1 = Supports Phy Event Counts
1 = Supports receipt of host initiated power management requests
1 = Supports the NCQ feature set
8
7-3 Reserved for Serial ATA
F
F
F
2
1
0
1 = Supports SATA Gen2 Signaling Speed (3.0Gb/s)
1 = Supports SATA Gen1 Signaling Speed (1.5Gb/s)
Shall be cleared to zero
Reserved for Serial ATA
77
78
0000h
0008h
Serial ATA feature supported
15-7 Reserved for Serial ATA
F
6
5
4
3
2
1
0
1 = Device supports Software Settings Preservation
Reserved for Serial ATA
F
F
F
F
F
1 = Device supports in-order data delivery
1 = Device supports initiating power management
1 = Device supports DMA Setup auto-activation
1 = Device supports non-zero buffer offsets
Shall be cleared to zero
Serial ATA feature enabled
79
0000h
15-7 Reserved for Serial ATA
V
6
5
4
3
2
1
0
1 = Software Settings Preservation enabled
Reserved for Serial ATA
V
V
V
V
F
1 = In-order data delivery enabled
1 = Device initiated power management enabled
1 = DMA Setup auto-activation enabled
1 = Non-zero buffer offsets enabled
Shall be cleared to zero
Major version number 0000h or FFFFh = device does not report version
80
00F0h
15
14
13
12
11
10
9
Reserved
F
F
F
F
F
F
F
F
F
F
F
F
X
X
Reserved for ATA/ATAPI-14
Reserved for ATA/ATAPI-13
Reserved for ATA/ATAPI-12
Reserved for ATA/ATAPI-11
Reserved for ATA/ATAPI-10
Reserved for ATA/ATAPI-9
Reserved for ATA/ATAPI-8
1 = supports ATA/ATAPI-7
1 = supports ATA/ATAPI-6
1 = supports ATA/ATAPI-5
1 = supports ATA/ATAPI-4
Obsolete
8
7
6
5
4
3
2
Obsolete
1
Obsolete
0
Reserved
F
Minor version number
81
0000h
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1.8” Portable Solid State Drive
Command and feature sets supported
82
83
84
302Bh
5000h
4000h
X
F
F
F
X
F
F
F
F
F
F
F
F
F
F
F
15
14
13
12
11
10
9
Obsolete
1 = NOP command supported
1 = READ BUFFER command supported
1 = WRITE BUFFER command supported
Obsolete
1 = Host Protected Area feature set supported
1 = DEVICE RESET command supported
1 = SERVICE interrupt supported
1 = release interrupt supported
1 = look-ahead supported
8
7
6
5
1 = write cache supported
4
Shall be cleared to zero to indicate that the PACKET Command feature set is not supported.
1 = mandatory Power Management feature set supported
1 = Removable Media feature set supported
3
2
1
1 = Security Mode feature set supported
0
1 = SMART feature set supported
Command and feature sets supported
F
F
F
F
F
F
F
F
15
14
13
12
11
10
9
Shall be cleared to zero
Shall be set to one
1 = The FLUSH CACHE EXT command is supported
Shall be set to one to indicate that the mandatory FLUSH CACHE command is supported
1 = The DCO feature set is supported
1 = The 48-bit Address feature set is suported
1 = The AAM feature set is supported
8
1 = SET MAX security extension supported
Reserved
7
F
F
F
F
F
F
F
6
1 = SET FEATURES subcommand required to spinup after power-up
1 = Power-Up In Standby feature set supported
1 = Removable Media Status Notification feature set supported
1 = Advanced Power Management feature set supported
1 = CFA feature set supported
5
4
3
2
1
1 = READ/WRITE DMA QUEUED supported
1 = DOWNLOAD MICROCODE command supported
0
Command and feature sets supported
F
F
F
15
14
13
Shall be cleared to zero
Shall be set to one
1 = The IDLE IMMEDIATE command with UNLOAD feature is supported
12-11 Reserved for TLC
10-9 Obsolete
X
F
F
F
F
F
F
F
F
F
8
7
6
5
4
3
2
1
0
1 = The 64-bit World wide name is supported
1 = The WRITE DMA QUEUED FUA EXT command is supported
1 = The WRITE DMA FUA EXT and WRITE MULTIPLE FUA EXT commands are supported
1 = The GPL feature set is supported
1 = The Streaming feature set is supported
1 = The Media Card Pass Through Command feature set is supported
1 = Media serial number is supported
1 = SMART self-test supported
1 = SMART error logging supported
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TS32/64/128GSSD18M-M
1.8” Portable Solid State Drive
Command and feature sets supported or enable
85
86
87
3029h
1000h
4000h
X
F
F
F
X
V
F
V
V
V
V
F
F
X
V
V
15
14
13
12
11
10
9
Obsolete
1 = The NOP command is supported
1 = The READ BUFFER command is supported
1 = The WRITE BUFFER command is supported
Obsolete
1 = HPA feature set is supported
Shall be cleared to zero to indicate that the DEVICE RESET command is not supported
1 = The SERVICE interrupt is enabled
8
7
1 = The release interrupt is enabled
6
1 = Read look-ahead is enabled
5
1 = The volatile write cache is enabled
4
Shall be cleared to zero to indicate that the PACKET Command feature set is not supported.
Shall be set to one to indicate that the mandatory Power Management feature is supported
Obsolete
3
2
1
1 = The Security feature set is enabled
0
1 = The SMART feature set is enabled
Command and feature sets supported or enable
F
15
14
13
12
11
10
9
1 = Words 119-120 are valid
Reserved
F
F
F
F
V
V
1 = FLUSH CACHE EXT command supported
1 = FLUSH CACHE command supported
1 = The DCO feature set is supported
1 = The 48-bit Address feature set is supported
1 = The AAM feature set is enable
8
1 = The SET MAX security extension is enabled by SET MAX SET PASSWORD
Reserved for Address Offset Reserved Area Boot Method
1 = SET FEATURES subcommand required to spin-up after power-up
1 = The PUIS feature set is enabled
7
F
V
X
V
F
F
F
6
5
4
Obsolete
3
1 = The APM feature set is enabled
2
1 = The CFA feature set is supported
1
1 = The TCQ feature set is supported
0
1 = The DOWNLOAD MICROCODE command is supported
Command and feature sets supported or enabled
F
F
F
15
14
13
Shall be cleared to zero
Shall be set to one
1 = The IDLE IMMEDIATE command with UNLOAD feature is supported
12-11 Reserved for TLC
10-9 Obsolete
X
F
F
F
F
X
V
V
F
F
8
7
6
5
4
3
2
1
0
1 = The 64-bit World wide name is supported
1 = The WRITE DMA QUEUED FUA EXT command is supported
1 = The WRITE DMA FUA EXT and WRITE MULTIPLE FUA EXT commands are supported
1 = The GPL feature set is supported
Obsolete
1 = The Media Card Pass Through Command feature set is supported
1 = Media serial number is supported
1 = SMART self-test supported
1 = SMART error logging supported
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TS32/64/128GSSD18M-M
Ultra DMA modes
1.8” Portable Solid State Drive
88
203Fh
15
14
Reserved
V
V
V
V
V
V
V
1 = Ultra DMA mode 6 is selected
0 = Ultra DMA mode 6 is not selected
13 1 = Ultra DMA mode 5 is selected
0 = Ultra DMA mode 5 is not selected
12 1 = Ultra DMA mode 4 is selected
0 = Ultra DMA mode 4 is not selected
11 1 = Ultra DMA mode 3 is selected
0 = Ultra DMA mode 3 is not selected
10 1 = Ultra DMA mode 2 is selected
0 = Ultra DMA mode 2 is not selected
1 = Ultra DMA mode 1 is selected
0 = Ultra DMA mode 1 is not selected
1 = Ultra DMA mode 0 is selected
0 = Ultra DMA mode 0 is not selected
9
8
7
6
5
4
3
2
1
0
Reserved
F
F
F
F
F
F
F
1 = Ultra DMA mode 6 and below are supported
1 = Ultra DMA mode 5 and below are supported
1 = Ultra DMA mode 4 and below are supported
1 = Ultra DMA mode 3 and below are supported
1 = Ultra DMA mode 2 and below are supported
1 = Ultra DMA mode 1 and below are supported
1 = Ultra DMA mode 0 is supported
15-8 Reserved
89
0001h
0001h
F
7-0 Time required for Normal Erase mode SECURITY ERASE UNIT command
15-8 Reserved
90
F
V
7-0 Time required for Enhanced Erase mode SECURITY ERASE UNIT command
Current APM level value
91
92
93
94
0000h
FFFEh
0000h
0000h
V
X
Master Password Identifier
Hardware reset result
Current AAM value
F
V
15-8 Vendor’s recommended AAM value
7-0
Current AAM value
Reserved
95-99
100-103
104-105
106
0000h
XXXXh
0000h
4000h
X
Total Number of User Addressable Logical Sectors for 48-bit commands (QWord)
Reserved
Physical sector size / logical sector size
F
F
F
F
15
14
13
12
Shall be cleared to zero
Shall be set to one
1 = Device has multiple logical sectors per physical sector
1 = Device Logical Sector longer than 256 Words
11-4 Reserved
F
3-0 2x logical sectors per physical sector
Reserved
107-118
0000h
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TS32/64/128GSSD18M-M
1.8” Portable Solid State Drive
Commands and feature sets supported (Continued from words 84:82)
119
4000h
F
F
15 Shall be cleared to zero
14 Shall be set to one
13-6 Reserved
F
F
F
F
F
5
4
3
2
1
0
1= The Free-fall Control feature set is supported
1 = The DOWNLOAD MICROCODE command with mode 3 is supported
1 = The READ LOG DMA EXT and WRITE LOG DMA EXT commands are supported
1 = The WRITE UNCORRECTABLE EXT command is supported
1 = The Write-Read-Verify feature set is supported
Reserved for DDT
Commands and feature sets supported or enabled (Continued from words 87:85)
120
4000h
F
F
15 Shall be cleared to zero
14 Shall be set to one
13-6 Reserved
V
F
F
F
V
5
4
3
2
1
0
1= The Free-fall Control feature set is enabled
1 = The DOWNLOAD MICROCODE command with mode 3 is supported
1 = The READ LOG DMA EXT and WRITE LOG DMA EXT commands are supported
1 = The WRITE UNCORRECTABLE EXT command is supported
1 = The Write-Read-Verify feature set is enabled
Reserved for DDT
Reserved for expended supported and enabled settings
121-126
127
0000h
0000h
0021h
X
Obsolete
Security status
128
F
V
F
F
V
V
V
V
F
X
15-9 Reserved
8
Security level 0 = High, 1 = Maximum
7-6 Reserved
5
4
3
2
1
0
1 = Enhanced security erase supported
1 = Security count expired
1 = Security frozen
1 = Security locked
1 = Security enabled
1 = Security supported
Vendor specific
129-159
160-216
217
0000h
0000h
0001h
0000h
0000h
Reserved
F
X
Nominal media rotation rate
Reserved
218-254
255
Integrity word
15-8 Checksum
7-0 Signature
Key:
F/V = Fixed/variable content
F = the content of the word is fixed and does not change. For removable media devices, these values may change when
media is removed or changed.
V = the contents of the word is variable and may change depending on the state of the device or the commands executed
by the device.
X = the content of the word may be fixed or variable.
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TS32/64/128GSSD18M-M
1.8” Portable Solid State Drive
IDLE (E3h)
This command causes the device to set BSY, enter the Idle mode, clear BSY and generate an interrupt. If sector count is
non-zero, the automatic power down mode is enabled. If the sector count is zero, the automatic power mode is disabled.
IDLE IMMEDIATE (E1h)
This command causes the device to set BSY, enter the Idle(Read) mode, clear BSY and generate an interrupt.
INITIALIZE DEVICE PARAMETERS (91h)
This command enables the host to set the number of sectors per track and the number of tracks per heads.
READ BUFFER (E4h)
The READ BUFFER command enables the host to read a 512-byte block of data.
READ DMA (C8h)
Read data from sectors during Ultra DMA and Multiword DMA transfer. Use the SET FEATURES command to specify the
mode value. A sector count of zero requests 256 sectors.
READ DMA EXT (25h)
48-bit feature set mandatory command. Read data from sectors during Ultra DMA and Multiword DMA transfer. Use the
SET FEATURES command to specify the mode value. A sector count of zero requests 65536 sectors.
READ FPDMA QUEUED (60h)
NCQ feature set mandatory 48-bit command. This command requests that data to be transferred from the device to the
host.
READ LOG EXT (2Fh)
General purpose logging feature set mandatory 48-bit command. This command returns the specified log to the host.
Log Address
Log Name
Log directory
NCQ Command Error
Feature Set
N/A
R/W
RO
RO
Access
GPL
00h
10h
NCQ
GPL
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TS32/64/128GSSD18M-M
1.8” Portable Solid State Drive
READ MULTIPLE (C4h)
This command performs similarly to the Read Sectors command. Interrupts are not generated on each sector, but on the
transfer of a block which contains the number of sectors defined by a Set Multiple command.
READ MULTIPLE EXT (29h)
48-bit feature set mandatory command. This command performs similarly to the Read Sectors command. Interrupts are
not generated on each sector, but on the transfer of a block which contains the number of sectors defined by a Set Multiple
command.
READ SECTOR(S) (20h/21h)
This command reads 1 to 256 sectors as specified in the Sector Count register from sectors which is set by Sector number
register. A sector count of 0 requests 256 sectors. The transfer beings specified in the Sector Number register.
READ SECTOR(S) EXT (24h)
48-bit feature set mandatory command. This command reads 1 to 65536 sectors as specified in the Sector Count register
from sectors which is set by Sector number register. A sector count of zero requests 65536 sectors. The transfer beings
specified in the Sector Number register.
READ VERIFY SECTOR(S) (40h/41h)
This command verifies one or more sectors on the drive by transferring data from the flash media to the data buffer in the
drive and verifying that the ECC is correct. This command is identical to the Read Sectors command, except that DRQ is
never set and no data is transferred to the host.
READ VERIFY SECTOR(S) EXT (42h)
48-bit feature set mandatory command. This command verifies one or more sectors on the drive by transferring data from
the flash media to the data buffer in the drive and verifying that the ECC is correct. This command is identical to the Read
Sectors command, except that DRQ is never set and no data is transferred to the host.
RECALIBRATE (10h)
The current drive performs no processing if it receives this command. It is supported for backward compatibility with
previous devices.
SEEK (7xh)
This command is effectively a NOP command to the device although it does perform a range check.
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TS32/64/128GSSD18M-M
1.8” Portable Solid State Drive
SET FEATURES (EFh)
This command set parameter to Features register and set drive’s operation. For transfer mode, parameter is set to Sector
Count register. This command is used by the host to establish or select certain features.
Features register Value and settable operating mode
Value
02h
Function
Enable write cache
03h
Set transfer mode based on value in Sector Count register.
Disable read look-ahead feature
Disable write cache
55h
82h
Aah
Enable read look-ahead feature
SET MULTIPLE MODE (C6h)
This command enables the device to perform READ MULTIPLE and WRITE MULTIPLE operations and establishes the
block count for these commands.
SLEEP (E6h)
This command causes the device to set BSY, enter the Sleep mode, clear BSY and generate an interrupt.
SMART Function Set (B0h)
Performs different processing required for predicting device failures, according to the subcommand specified in the
Features register. If the Features register contains an unsupported value, the Aborted Command error is returned. If the
SMART function is disabled, any subcommand other than SMART ENABLE OPERATIONS results in the Aborted
Command error.
Code
D0h
D1h
D2h
D3h
D5h
D6h
D8h
D9h
DAh
Smart Subcommand
READ DATA
READ ATTRIBUTE THRESHOLDS
ENABLE/DISABLE ATTRIBUTE AUTOSAVE
SAVE ATTRIBUTE VALUES
Reserved
Reserved
ENABLE OPERATIONS
DISABLE OPERATIONS
RETURN STATUS
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TS32/64/128GSSD18M-M
1.8” Portable Solid State Drive
SMART READ DATA
This command returns 512-byte SMART Data Structure to the host with PIO data-in protocol. The register file has to
contain D0h for Features register, 4Fh for LBA Mid register and C2h for the LBA High register.
Byte
0-1
Description
Data structure revision number
1st attribute data
2-13
14-361
362
2nd-30th Individual attribute data
Off-line data collection status
Reserved
363
364-365
Total time in seconds to complete off-line data
collection
366
367
Reserved
Off-line data collection capability
SMART capability
368-369
370-385
386-510
511
Reserved
Reserved
Data structure Checksum
Byte 2-361: Individual attribute data
Byte Description
Attribute ID
1-2 Status Flag (0x0002)
Attribute Value (0x64)
0
3
4-11 Vendor Specific
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TS32/64/128GSSD18M-M
1.8” Portable Solid State Drive
The attribute ID information is listed in the following table
Detail Information
Description
ID
Description
Byte
0
E5h
Halt System ID, Flash ID
Halt System ID
1
Flash ID (byte 1)
2
Flash ID (byte 2)
3
Flash ID (byte 3)
4
Flash ID (byte 4)
5
Flash ID (byte 5)
6
Flash ID (byte 6)
7
Flash ID (byte 7)
E8h
Firmware version information
0
Year (High Byte, ASCII)
Year (Low Byte, ASCII)
Month (High Byte, ASCII)
Month (Low Byte, ASCII)
Day (High Byte, ASCII)
Day (Low Byte, ASCII)
Channels (binary)
Banks (binary)
1
2
3
4
5
6
7
EAh
Average Erase Count, Max Erase Count
0
1
2
3
4
5
6
7
Average Erase Count (High Byte)
Average Erase Count
Average Erase Count (Low Byte)
Max Erase Count (High Byte)
Max Erase Count
Max Erase Count (Low Byte)
Reserved
Reserved
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TS32/64/128GSSD18M-M
1.8” Portable Solid State Drive
EBh
Good Block Count, System Block Count
0
1
2
3
4
5
6
7
Good Block Count (High Byte)
Good Block Count
Good Block Count (Low Byte)
System(Free) Block Count (High
Byte)
System(Free) Block Count (Low
Byte)
Reserved
Reserved
Reserved
ECh-FFh
Reserved
SMART READ ATTRIBUTE THRESHOLD
This transfers 512 bytes of drive failure threshold data to the host.
SMART ENABLE/DISABLE ATTRIBUTE AUTOSAVE
Enables or disables the attribute value autosave function. This command specifies whether the current attribute values are
automatically saved to the drive when it changes the mode. This setting is maintained when the power is turned on and off.
SMART SAVE ATTRIBUTE VALUE
Saves any modified attribute values.
SMART EXECUTE OFF-LINE IMMEDIATE
This command of Non-data input causes the controller to immediately initiate the set of activities that collect SMART data in
a off-line mode and then save data to the Nand flash memory, or execute a selfdiagnostic test routine in either captive or
off-line mode.
SMART ENABL OPERATIONS
Enables the SMART function. This setting is maintained when the power is turned off and then back on. Once the SMART
function is enabled, subsequent SMART ENABLE OPERATIONS commands do not affect any parameters.
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TS32/64/128GSSD18M-M
1.8” Portable Solid State Drive
SMART DISABLE OPERATIONS
Disables the SMART function. Upon receiving the command, the drive disables all SMART operations. This setting is
maintained when the power is turned off and then back on.
Once this command has been received, all SMART commands other than SMART ENABLE OPERATIONS are aborted
with the Aborted Command error.
This command disables all SMART capabilities including any and all timer and event count functions related exclusively to
this feature. After command acceptance, this controller will disable all SMART operations. SMART data in no longer be
monitored or saved. The state of SMART is preserved across power cycles.
SMART RETURN STATUS
Reports the drive reliability status.
Values reported when a predicted defect has not been detected:
Cylinder Low register: 4Fh
Cylinder High register: C2h
Values reported when a predicted defect has been detected:
Cylinder Low register: F4h
Cylinder High register: 2Ch
SMART ENABLE/DISABLE AUTOMATIC OFF-LINE
Enables (when Sector Count register = “F8h”) or disables (Sector Count register = “00h”) the automatic off-line data
collection function. The automatic collection is disabled if a value of “00h” is set in the Sector Count register before a
subcommand is issued. If automatic collection is disabled, the drive can still save attribute information during normal
operation, such as during the power-on/off sequence or error correction sequence. The automatic collection function is
enabled if a value of “F8h” is set in the Sector Count register before the command is issued. Values other than “00h” and
“F8h” are vendor-specific.
STANDBY (E2h)
This command causes the device to set BSY, enter the Sleep mode (which corresponds to the ATA “Standby” Mode), clear
BSY and return the interrupt immediately.
STANDBY IMMEDIATE (E0h)
This command causes the drive to set BSY, enter the Sleep mode (which corresponds to the ATA “Standby” Mode), clear
BSY and return the interrupt immediately.
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TS32/64/128GSSD18M-M
1.8” Portable Solid State Drive
WRITE BUFFER (E8h)
This command enables the host to write the contents of one 512-byte block of data to the device’s buffer.
WRITE DMA (CAh)
Write data to sectors during Ultra DMA and Multiword DMA transfer. Use the SET FEATURES command to specify the
mode value.
WRITE DMA EXT (35h)
48-bit feature set mandatory command. Write data to sectors during Ultra DMA and Multiword DMA transfer. Use the SET
FEATURES command to specify the mode value.
WRITE DMA FUA EXT (3Dh)
48-bit feature set mandatory command. This command provides the same function as the WRITE DMA EXT command
except that regardless of whether volatile and/or non-volatile write caching in the device is enabled or not, the user data
shall be written to non-volatile media before command completion is reported.
WRITE FPDMA QUEUED (61h)
NCQ feature set mandatory 48-bit command. This command causes data to be transferred from the host to the device.
WRITE MULTIPLE (C5h)
This command is similar to the Write Sectors command. Interrupts are not presented on each sector, but on the transfer of
a block which contains the number of sectors defined by Set Multiple command.
WRITE MULTIPLE EXT (39h)
48-bit feature set mandatory command. This command is similar to the Write Sectors command. Interrupts are not
presented on each sector, but on the transfer of a block which contains the number of sectors defined by Set Multiple
command.
WRITE MULTIPLE FUA EXT (CEh)
48-bit feature set mandatory command. This command provides the same functionality as the WRITE MULTIPLE EXT
command except that regardless of whether volatile and/or non-volatile write caching in the device is enabled or not, the
user data shall be written to non-volatile media before command completion is reported.
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TS32/64/128GSSD18M-M
1.8” Portable Solid State Drive
WRITE SECTOR(S) (30h/31h)
Write data to a specified number of sectors (1 to 256, as specified with the Sector Count register) from the specified
address. Specify “00h” to write 256 sectors.
WRITE SECTOR(S) EXT (34h)
48-bit feature set mandatory command. Write data to a specified number of sectors (1 to 65536, as specified with the
Sector Count register) from the specified address. Specify “00h” to write 65536 sectors.
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TS32/64/128GSSD18M-M
1.8” Portable Solid State Drive
Ordering Information
The above technical information is based on industry standard data and has been tested to be reliable. However,
Transcend makes no warranty, either expressed or implied, as to its accuracy and assumes no liability in connection with
the use of this product. Transcend reserves the right to make changes to the specifications at any time without prior notice.
USA
Los Angeles:
E-mail: [email protected]
Maryland:
E-mail: [email protected]
CHINA
E-mail: [email protected]
TAIWAN
GERMANY
E-mail: [email protected]
No.70, XingZhong Rd., NeiHu Dist., Taipei, Taiwan, R.O.C
TEL +886-2-2792-8000
Fax +886-2-2793-2222
E-mail: [email protected]
HONG KONG
E-mail: [email protected]
JAPAN
E-mail: [email protected]
THE NETHERLANDS
E-mail: [email protected]
United Kingdom
E-mail: [email protected]
KOREA
E-mail: [email protected]
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