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Transcend Transcend 16GB SSD 25H

1. Bits 9 15 Reserved Password 32 bytes 17 255 SECURITY UNLOCK F2h This command disable LOCKED MODE of the device This command transfers 512 bytes of data from the host with PIO data out protocol The following table defines the content of this information Security Unlock information Control word Bit 0 Identifier 0 user password 1 master password Bits 1 15 Reserved 1 16 Password 32 bytes 17 255 Reserved SEEK 7xh This command is effectively a NOP command to the device although it does perform a range check 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 Transcend Information Inc 26 Preliminary VO 7 TS8GSSD25H M TS16GSSD25H M Transcend TS32GSSD25H M 2 5 Half Slim TS64GSSD25H M Solid State Disk Features register Value and settable operating mode Value Function 02h Enable write cache 03h Set transfer mode based on value in Sector Count register 55h Disable read look ahead feature 82h Disable write cache 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
2. Transcend 2 5 Half Slim Solid State Disk 88 XX7Fh TT Ultra modes XX depends on the host selecting 15 Reserved 14 1 Ultra DMA mode 6 is selected 0 Ultra mode 6 is not selected 13 1 Ultra DMA mode 5 is selected 0 Ultra mode 5 is not selected 12 1 Ultra DMA mode 4 is selected 0 Ultra mode 4 is not selected 11 1 Ultra DMA mode 3 is selected 0 Ultra mode 3 is not selected 10 1 UItra DMA mode 2 is selected 0 Ultra mode 2 is not selected 9 1 Ultra mode 1 is selected 0 Ultra mode 1 is not selected 8 1 Ultra mode 0 is selected 0 Ultra mode 0 is not selected Reserved 1 Ultra mode 6 and below are supported 1 Ultra mode 5 and below are supported 1 Ultra mode 4 and below are supported 1 Ultra mode 3 and below are supported 1 Ultra mode 2 and below are supported 1 Ultra mode 1 and below are supported 0 1 UItra DMA mode 0 is supported N ROO 89 0001h 15 8 Reserved 7 0 Time required for Normal Erase mode SECURITY ERASE UNIT command 90 0001h 15 8 Reserved 7 0 Time required for Enhanced Erase mode SECURITY ERASE UNIT command 91 0000h Current APM level value 92 FFFEh Master Password Identifier x lt lt m 93 0000h Hardware reset result 94 0000h Current AAM value 15 8 Vendo
3. E6h This command causes the device to set BSY enter the Sleep mode clear BSY and generate an interrupt SMART Function Set BOh 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 Smart Subcommand DOh READ DATA Dih READ ATTRIBUTE THRESHOLDS D2h ENABLE DISABLE ATTRIBUTE AUTOSAVE D3h SAVE ATTRIBUTE VALUES D5h Reserved D6h Reserved D8h ENABLE OPERATIONS D9h DISABLE OPERATIONS DAh RETURN STATUS Transcend Information Inc 27 Preliminary VO 7 TS8GSSD25H M TS16GSSD25H M Transcend TS32GSSD25H M 2 5 Half Slim TS64GSSD25H M Solid State Disk 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 DOh for Features register 4Fh for LBA Mid register and C2h for the LBA High register Byte Description 0 1 Data structure revision number 2 13 1st attribute data 14 361 2nd 30th Individual attribute data 362 Off line data collection status 363 Reserved Total time in seconds to complete off line data 364 365 collection 366 Reserved 367 Off line data colle
4. 2 Words 119 120 are valid 14 Reserved F 13 1 FLUSH CACHE EXT command supported F 12 1 2 FLUSH CACHE command supported F 11 12 The DCO feature set is supported F 10 1 The 48 bit Address feature set is supported V 9 1 AAM feature set is enable 86 3400h V 8 1 The SET MAX security extension is enabled by SET MAX SET PASSWORD 7 Reserved for Address Offset Reserved Area Boot Method F 6 1 SET FEATURES subcommand required to spin up after power up V 5 1 The PUIS feature set is enabled x 4 Obsolete V 3 1 The APM feature set is enabled F 2 1 The CFA feature set is supported F 1 1 The TCQ feature set is supported F 0 12The DOWNLOAD MICROCODE command is supported Command and feature sets supported or enabled Depend on the host enabling F 15 Shall be cleared to zero F 14 Shall be set to one F 13 1 The IDLE IMMEDIATE command with UNLOAD feature is supported 12 11 Reserved for TLC X 10 9 Obsolete F 8 1 The 64 bit World wide name is supported 87 4060h F 7 1 The WRITE DMA QUEUED FUA EXT command is supported F 6 1 The WRITE FUA EXT and WRITE MULTIPLE FUA EXT commands are supported F 5 1 The GPL feature set is supported x 4 Obsolete V 3 1 The Media Card Pass Through Command feature set is supported V 2 1 Media serial number is supported F 1 1 SMART self test supported F 0 1 SMART error logging supported Transcend Information Inc 20 Preliminary VO 7 TS8GSSD25H M TS16GSSD25H M TS32GSSD25H M TS64GSSD25H M
5. M Solid State Disk 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 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 Oylinder Low register 4Fh Oylinder High register C2h Values reported when a predicted defect has been detected Oylinder Low register F4h Oylinder 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
6. 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 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 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 ALIGN 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 s
7. or 41h e X READ VERIFY SECTOR S EXT 42h X RECALIBRATE 10h X x x e x x SECURITY DISABLE PASSWORD F6h x x X X X SECURITY ERASE PREPARE F3h x x x e x x SECURITY ERASE UNIT F4h x X X e x x SECURITY FREEZE LOCK F5h x e x x SECURITY SET PASSWORD Fih x X X e X x SECURITY UNLOCK F2h x X X e X x SEEK 7xh X X e e X SET FEATURES EFh e X X X SET MULTIPLE MODE C6h e X X e x Transcend Information Inc 13 Preliminary V0 7 TS8GSSD25H M TS16GSSD25H M lt TS32GSSD25H M 2 5 Half Slim TS64GSSD25H M Solid State Disk SLEEP E6h X X X X X SMART BOh X X X STANDBY E2h X X X X X STANDBY IMMEDIATE EOh X X X X X WRITE BUFFER E8h X X X X X WRITE DMA CAh or CBh X WRITE DMA EXT 35h X WRITE DMA FUA EXT 3Dh X WRITE FPDMA QUEUED 61h WRITE MULTIPLE C5h X WRITE MULTIPLE EXT 39h X WRITE MULTIPLE FUA EXT CEh X WRITE SECTOR S 30h or 31h X WRITE SECTOR S EXT 34h X Note Valid X Don t care SC Sector Count Register SN Sector Number Register CY Oylinder 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 Transcend Information Inc 14
8. 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 Transcend Information Inc 31 Preliminary VO 7 TS8GSSD25H M TS16GSSD25H M Transcend TS32GSSD25H M 2 5 Half Slim TS64GSSD25H M Solid State Disk STANDBY IMMEDIATE EOh 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 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 Write data to sectors during Ultra and Multiword 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 comman
9. 5H M Solid State Disk Identify Device Information Default Value Word Value F V Description General configuration bit significant information F 15 0 ATA device X 14 8 Retired X 7 6 Obsolete 0 0040h X 5 3 Retired V 2 Reserved X 1 Retired 0 Reserved Number of logical cylinders 1 3C8Ah F 15498 8GB capacity 3FFFh 16383 above 16GB capacity 2 C837h V Specific configuration 3 0010h F 16 Number of logical heads 4 5 0000h X Retired 6 003Fh F 63 Number of logical sector per logical track 7 8 0000h Reserved for assignment by the CompactFlash Association 9 0000h X Retired 10 19 XXXXh F Serial number 20 ASCII characters 20 21 0000h X Retired 22 0000h X Obsolete 23 26 XXXXh F Firmware revision 8 ASCII characters 27 46 XXXXh F Model number 40 ASCII characters F 15 8 80h 47 8001h F 7 0 00h Reserved F 01h Maximum number of 1 sectors on READ WRITE MULTIPLE commands 48 0000h F Reserved Capabilities 15 14 Reserved for the IDENTIFY PACKET DEVICE command F 13 1 Standby timer values as specified in this standard are supported 0 Standby timer values shall be managed by the device 12 Reserved for the IDENTIFY PACKET DEVICE command 49 2F00h F 11 1 IORDY supported 0 IORDY may be supported F 10 1 may be disabled F 9 1 LBA supported F 8 1 supported X 7 0 Retired Capabilities F 15 Shall be cleared to zero F 14 Shall be set to one 50 4000h 13 2 Reserved x 1 Obsolete F 0 Shall be set to one to indicate a device
10. H M Transcend TS32GSSD25H M 2 5 Half Slim TS64GSSD25H M Solid State Disk Block Diagram Flash Memory Data Bus Flash Control Signal Solid State Disk Controller Flash Power Memory S 4 gt N a J 3 5 5 2 9 Transcend Information Inc 6 Preliminary VO 7 TS8GSSD25H M TS16GSSD25H M D Transcend TS32GSSD25H M 2 5 Half Slim TS64GSSD25H M Solid State Disk 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 signaling shall be achieved by transmission of either a burst of four Gen1 ALIGN primitives or a burst composed of four Gen1 Dwords with each Dword composed of four 024 3 characters each burst having a duration of 160 Uloos Each burst is followed by idle periods at common mode levels having durations as depicted in Figure 4 and Table 2 COMRESET COMINIT COMWAKE Figure 4 OOB signals 160 106 7 ns nominal 480 Ul 320 ns nominal Table 2 OOB signal times Transcend Information Inc Preliminary VO 7 TS8GSSD25H M TS16GSSD25H M D Transcend TS32GSSD25H M 2 5 Half Slim TS64GSSD25H M Solid State Disk 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 cond
11. Preliminary VO 7 TS8GSSD25H M TS16GSSD25H M Transcend TS32GSSD25H M 2 5 Half Slim TS64GSSD25H M Solid State Disk 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 Transcend Information Inc 15 Preliminary VO 7 TS8GSSD25H M TS16GSSD25H M lt TS32GSSD25H M 2 5 Half Slim TS64GSSD2
12. TS8GSSD25H M TS16GSSD25H M TS32GSSD25H M TS64GSSD25H M Transcend 2 5 Half Slim Solid State Disk Description Features Due to smaller size huge capacity high speed and e RoHS compliant low power consumption Solid State Disk is perfect Fully compatible with devices and OS that support the replacement storage device for 5 Laptops SATA 3 0Gb s standard e Non volatile Flash Memory for outstanding data retention Placement Built in ECC Error Correction Code functionality and wear leveling algorithm ensures highly reliable of data f _ A I transfer e Shock resistance Dimensions Side Millimeters Inches A 54 00 0 40 2 160 0 016 B 39 00 0 20 1 560 0 008 C 5 00 0 15 0 200 0 004 C 4 00 0 15 0 160 0 004 C 64GB C 8GB 16GB 32GB Transcend Information Inc 1 Preliminary VO 7 TS8GSSD25H M TS16GSSD25H M TS32GSSD25H M TS64GSSD25H M Specifications Transcend 2 5 Half Slim Solid State Disk Physical Specification Form Factor 2 5 inch Half Slim Storage Capacities 8 GB to 64 GB Length 54 00 0 40 Dimensions mm Width 39 00 0 20 Height 5 00 0 15 64GB 4 00 0 15 8GB 16GB 32GB Input Voltage 5V 5 Weight 10g Connector SATA 7 15 pins combo connector Environmental Specificatio
13. 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 uses BCH8 BCH15 ECC algorithm per 512 bytes according to structure of flash BCH8 BCH15 can correct up to 8 or 15 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 Transcend Information Inc 3 Preliminary V0 7 TS8GSSD25H M TS16GSSD25H M Transcend TS32GSSD25H M 2 5 Half Slim TS64GSSD25H M Solid State Disk Package Dimensions Below figure illustrates the Transcend 2 5 Half Slim Solid State Disk All dimensions are in mm 64GB n 9 P 8GB 16GB 32GB Transcend Information Inc 4 Preliminary V0 7 TS8GSSD25H M TS16GSSD25H M Transcend TS32GSSD25H M 2 5 Half Slim TS64GSSD25H M Solid State Disk Pin Assignments Pin No Pin Name Pin No Pin Name Pin Layout 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 Q 4Ognmt aooooaa nodaadooo z lt lt m Z Z Z Z Z Z Z o u u 222222 o Transcend Information Inc 5 Preliminary VO 7 TS8GSSD25H M TS16GSSD25
14. 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 reque
15. ail vertrieb transcend de www transcend de HONG KONG E mail sales transcend com hk www transcendchina com JAPAN E mail sales transcend co jp www transcend jp THE NETHERLANDS E mail sales transcend nl www transcend nl United Kingdom E mail sales transcend uk com www transcend uk com KOREA E mail sales transcend co kr www transcend co kr Preliminary V0 7
16. below are supported 1 Multiword DMA mode 0 is supported 15 8 Reserved 64 ogoshi F 7 0 Advanced PIO modes supported 65 0078h F Minimum Multiword DMA transfer cycle time per word 66 0078h F Manufacturer s recommended Multiword DMA transfer cycle time 67 0078h F Minimum PIO transfer cycle time without flow control 68 0078h F Minimum PIO transfer cycle time with IORDY flow control 69 70 0000h Reserved 71 74 0000h Reserved for the IDENTIFY PACKET DEVICE command Queue depth 75 0000h 15 5 Reserved 4 0 Maximum queue depth 1 Transcend Information Inc 17 Preliminary VO 7 TS8GSSD25H M Transcend TS16GSSD25H M TS32GSSD25H M 2 5 Half Slim TS64GSSD25H M Solid State Disk Serial ATA Capabilities 15 11 Reserved for Serial ATA F 10 1 Supports Phy Event Counts F 9 1 Supports receipt of host initiated power management requests 76 0106h F 8 1 Supports the NCQ feature set 7 3 Reserved for Serial ATA F 2 1 Supports SATA Gen2 Signaling Speed 3 0Gb s F 1 1 Supports SATA Gen1 Signaling Speed 1 5Gb s F 0 Shall be cleared to zero 77 0000h Reserved for Serial ATA Serial ATA feature supported 15 7 Reserved for Serial ATA F 6 1 Device supports Software Settings Preservation 5 Reserved for Serial ATA F 4 1 Device supports in order data delivery 78 0004h F 3 1 Device supports initiating power management F 2 1 Device supports DMA Setup auto act
17. c 23 Preliminary V0 7 TS8GSSD25H M TS16GSSD25H M lt TS32GSSD25H M 2 5 Half Slim TS64GSSD25H M Solid State Disk 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 comma
18. ction capability 368 369 SMART capability 370 385 Reserved 386 510 Reserved 511 Data structure Checksum Byte 2 361 Individual attribute data Byte Description 0 Attribute ID 1 2 Status Flag 0x0002 3 Attribute Value 0x64 4 11 Vendor Specific Transcend Information Inc 28 Preliminary VO 7 TS8GSSD25H M TS16GSSD25H M lt TS32GSSD25H M 2 5 Half Slim TS64GSSD25H M Solid State Disk The attribute ID information is listed in the following table Detail Information ID Description Byte Description 0 Halt System ID 1 Flash ID byte 1 Flash ID byte 2 Flash ID byte 3 Flash ID byte 4 E5h Halt System ID Flash ID Flash ID byte 5 Flash ID byte 6 Flash ID byte 7 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 NN O Q CQ PD E8h Firmware version information Banks binary ECC fail number Row address 3 N O Q Oo Im Row address 2 Row address 1 E9h ECC Fail Record Channel number of last ECC fail Bank number of last ECC fail Reserved oc W PD Reserved Transcend Information Inc 29 Preliminary V0 7 TS8GSSD25H M TS16GSSD25H M lt TS32GSSD25H M 2 5 Half Slim TS64GSSD25H M Solid S
19. d 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 Transcend Information Inc 32 Preliminary VO 7 TS8GSSD25H M TS16GSSD25H M Transcend TS32GSSD25H M 2 5 Half Slim TS64GSSD25H M Solid State Disk 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 WRITE SECTOR S 30h 31h Write data to a specified number
20. eipt of three back to back non ALIGNe 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 Host Releases Host COMRESET COMWAKE Host T Host e Releases Host COMRESET Calibrate COMWAKE D10 2 Host T Device RX Host RX Device Device Device Power COMINIT Calibrate Off Device Device Device Releases COMWAKE Power On COMINIT Figure 7 power on sequence 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 Transcend Information Inc 11 Preliminary VO 7 TS8GSSD25H M TS16GSSD25H M D Transcend TS32GSSD25H M 2 5 Half Slim TS64GSSD25H M Solid State Disk 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
21. equence 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 ALIGNr primitives the communication link is established and normal operation may begin ATA command register This table with the following paragraphs summarizes the ATA command set Transcend Information Inc 12 Preliminary VO 7 TS8GSSD25H M TS16GSSD25H M lt TS32GSSD25H M 2 5 Half Slim TS64GSSD25H M Solid State Disk Command Table PARAMETERS USED Command Name Code SC SN CY DR HD FT CHECK POWER MODE E5h X x EXECUTE DIAGNOSTICS 90h x x x e X x FLUSH CACHE E7h x x X e e X FLUSH CACHE EXT EAh x X X e e x IDENTIFY DEVICE ECh x x x x IDLE E3h e X x e X x IDLE IMMEDIATE Eth x X X e X X INITIALIZE DEVICE PARAMETERS 91h e x x e X READ BUFFER E4h X X X e X X READ DMA C8h or C9h X READ DMA EXT 25h X READ FPDMA QUEUED 60h READ LOG EXT 2Fh READ MULTIPLE C4h X READ MULTIPLE EXT 29h e e x READ SECTOR S 20h or 21h X READ SECTOR S EXT 24h x READ VERIFY SECTOR S 40h
22. ition 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 Ul s long 106 7 ns and each inter burst idle state shall be 480 1 Ul 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 Host Host Device Releases Host Host On COMWAKE Align Host Host dg Releases Host COMRESET Calibrate COMWAKE 0102 Host TX Device RX NXXXXXXY Q00000 OQ Device COMINIT Device Device Releases COMINIT Figure 5 comreset sequence Tran
23. ivation F 1 1 Device supports non zero buffer offsets F 0 Shall be cleared to zero Serial ATA feature enabled 15 7 Reserved for Serial ATA V 6 1 Software Settings Preservation enabled 5 Reserved for Serial ATA 79 0000h V 4 1 data delivery enabled V 3 1 Device initiated power management enabled V 2 1 Setup auto activation enabled V 1 1 Non zero buffer offsets enabled F 0 Shall be cleared to zero Major version number 0000h or FFFFh device does not report version 15 Reserved F 14 Reserved for ATA ATAPI 14 F 13 Reserved for ATA ATAPI 13 F 12 Reserved for ATA ATAPI 12 F 11 Reserved for ATA ATAPI 11 F 10 Reserved for ATA ATAPI 10 F 9 Reserved for ATA ATAPI 9 80 OOFOh F 8 Reserved for ATA ATAPI 8 F 7 1 supports ATA ATAPI 7 F 6 1 supports ATA ATAPI 6 F 5 1 supports ATA ATAPI 5 F 4 1 supports ATA ATAPI 4 F 3 Obsolete X 2 Obsolete x 1 Obsolete 0 Reserved 81 0000h F Minor version number Transcend Information Inc 18 Preliminary V0 7 TS8GSSD25H M TS16GSSD25H M lt TS32GSSD25H M 2 5 Half Slim TS64GSSD25H M Solid State Disk Command and feature sets supported X 15 Obsolete F 14 1 2 command supported F 13 1 READ BUFFER command supported F 12 1 WRITE BUFFER command supported x 11 Obsolete F 10 1 Host Protected Area feature set supported F 9 1 DEVICE RESET command supported 82 304Bh F 8 1 SERVICE interrupt s
24. mmand 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 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 Feature Set R W Access 00h Log directory N A RO GPL 10h NCQ Command Error NCQ RO GPL Transcend Information In
25. nd 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 Transcend Information Inc 24 Preliminary VO 7 TS8GSSD25H M TS16GSSD25H M lt TS32GSSD25H M 2 5 Half Slim TS64GSSD25H M Solid State Disk SECURITY DISABLE PASSWORD F6h Disables any previously set user password and cancels the lock The host transfers 512 bytes of data as shown in the following table to the drive The transferred data contains a user or master password which the drive compares with the saved password If they match the drive cancels the lock The master password is still saved It is re enabled by issuing the SECURITY SET PASSWORD command to re set a user password SECURITY ERASE PREPARE F3h This command shall be issued immediately before the Security Erase Unit command to enable erasing and unlocking This command prevents accidental loss of data on the drive SECURITY ERASE UNIT F4h The host u
26. nd with mode 3 is supported 1 The READ LOG EXT and WRITE LOG EXT commands are supported 1 The WRITE UNCORRECTABLE EXT command is supported 1 The Write Read Verify feature set is enabled Reserved for DDT n m 120 4000h lt lt N 121 126 0000h Reserved for expended supported and enabled settings 127 0000h gt Obsolete Security status 15 9 Reserved 8 Security level 0 High 1 Maximum 7 6 Reserved 5 1 Enhanced security erase supported 1 Security count expired 1 Security frozen 1 Security locked 1 Security enabled 1 Security supported 128 0021h m lt lt lt lt lt 129 159 0000h Vendor specific 160 216 0000h Reserved 217 0001h F Nominal media rotation rate 218 254 0000h Reserved X Integrity word 255 0000h 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 Transcend Information Inc 22 Preliminary V0 7 TS8GSSD25H M TS16GSSD25H M Transcend TS32GSSD25H M 2 5 Half Slim TS64GSSD25H M Solid State Disk IDLE E3h This co
27. ns Operating Temperature 0 C to 70 Storage Temperature 40 C to 85 C Operating 0 to 95 Non condensing Humidity Non Operating 0 to 95 Non condensing Power Requirements Input Voltage 5V 5 W Write 290 7 1 5 Power Consumption Read peak 216 5 1 1 Idle peak 108 1 0 5 Performance Model P N Sequential Read vax Sequential Write TS8GSSD25H M 90 MB s 25 MB s TS16GSSD25H M 90 MB s 25 MB s TS32GSSD25H M 90 MB s 45 MB s TS64GSSD25H M 90 MB s 50 MB s Transcend Information Inc Preliminary V0 7 TS8GSSD25H M TS16GSSD25H M Transcend TS32GSSD25H M 2 5 Half Slim TS64GSSD25H M Solid State Disk Actual Capacity Model P N User Max LBA Cylinder Head Sector TS8GSSD25H M 15 621 984 15 498 16 63 TS16GSSD25H M 31 277 056 16 383 16 63 TS32GSSD25H M 62 586 880 16 383 16 63 TS64GSSD25H M 125 206 528 16 383 16 63 Reliability Data Reliability Supports BCH ECC 8 bits 15 bits in 512 bytes Data Retention 10 years MTBF 1 500 000 hours Regulations Compliance CE FCC and BSMI 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
28. 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 Transcend Information Inc 33 Preliminary VO 7 Transcend TS16GSSD25H M TS32GSSD25H M 2 5 Half Slim TS64GSSD25H M Solid State Disk Ordering Information TS XG SSD25H X Transcend Product 5 SLC M Form Factor 25H 72 5 Half Slim Solid State Disk 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 Capacity 8GB to 64GB USA Los Angeles E mail sales transcendusa com Maryland E mail sales md Gtranscendusa com www transcendusa com CHINA E mail sales transcendchina com www transcendchina com Transcend TAIWAN No 70 XingZhong Rd NeiHu Dist Taipei Taiwan R O C TEL 886 2 2792 8000 Fax 886 2 2793 2222 E mail sales transcend com tw www transcend com tw Transcend Information Inc 34 GERMANY E m
29. ommand is supported F 6 1 The WRITE FUA EXT and WRITE MULTIPLE FUA EXT commands are supported F 5 1 The GPL feature set is supported F 4 1 The Streaming feature set is supported F 3 1 The Media Card Pass Through Command feature set is supported F 2 1 Media serial number is supported F 1 1 SMART self test supported F 0 1 SMART error logging supported Transcend Information Inc 19 Preliminary VO 7 TS8GSSD25H M TS16GSSD25H M lt TS32GSSD25H M 2 5 Half Slim TS64GSSD25H M Solid State Disk Command and feature sets supported or enable Depend on the host enabling X 15 Obsolete F 14 12 The NOP command is supported F 13 12 The READ BUFFER command is supported F 12 1 The WRITE BUFFER command is supported x 11 Obsolete V 10 1 HPA feature set is supported F 9 Shall be cleared to zero to indicate that the DEVICE RESET command is not supported 85 3069h V 8 1 The SERVICE interrupt is enabled V 7 1 The release interrupt is enabled V 6 1 Read look ahead is enabled V 5 1 The volatile write cache is enabled F 4 Shall be cleared to zero to indicate that the PACKET Command feature set is not supported F 3 Shall be set to one to indicate that the mandatory Power Management feature is supported x 2 Obsolete V 1 1 The Security feature set is enabled V 0 1 The SMART feature set is enabled Command and feature sets supported or enable Depend on the host enabling F 15 1
30. r s recommended value 7 0 Current AAM value 95 99 0000h Reserved 100 103 XXXXh X Total Number of User Addressable Logical Sectors for 48 bit commands QWord 104 105 0000h Reserved 106 4000h 71777 Physical sector size logical sector size 15 Shall be cleared to zero 14 Shall be set to one 13 1 Device has multiple logical sectors per physical sector 12 1 Device Logical Sector longer than 256 Words 11 4 Reserved 3 0 2xlogical sectors per physical sector 107 118 0000h Reserved Transcend Information Inc 21 Preliminary VO 7 TS8GSSD25H M TS16GSSD25H M Transcend TS32GSSD25H M 2 5 Half Slim TS64GSSD25H M Solid State Disk Commands and feature sets supported Continued from words 84 82 15 Shall be cleared to zero 14 Shall be set to one 13 6 Reserved 5 1 The Free fall Control feature set is supported 1 The DOWNLOAD MICROCODE command with mode 3 is supported 1 The READ LOG EXT and WRITE LOG EXT commands are supported 1 The WRITE UNCORRECTABLE EXT command is supported 1 The Write Read Verify feature set is supported Reserved for DDT 119 4000h TN mo Commands and feature sets supported or enabled Continued from words 87 85 15 Shall be cleared to zero 14 Shall be set to one 13 6 Reserved 5 1 The Free fall Control feature set is enabled 1 The DOWNLOAD MICROCODE comma
31. scend Information Inc 8 Preliminary VO 7 TS8GSSD25H M TS16GSSD25H M Transcend TS32GSSD25H M 2 5 Half Slim TS64GSSD25H M Solid State Disk Description 1 Host device are powered and operating normally with some form of active communication 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
32. ses this command to transfer 512 bytes of data as shown in the following table to the drive The transferred data contains a user or master password which the drive compares with the saved password If they match the drive deletes user data disables the user password and cancels the lock The master password is still saved It is re enabled by issuing the SECURITY SET PASSWORD command to re set a user password SECURITY FREEZE LOCK F5h Causes the drive to enter Frozen mode Once this command has been executed the following commands to update a lock result in the Aborted Command error SECURITY SET PASSWORD SECURITY UNLOCK SECURITY DISABLE PASSWORD SECURITY ERASE PREPARE SECURITY ERASE UNIT The drive exits from Frozen mode upon a power off or hard reset If the SECURITY FREEZE LOCK command is issued when the drive is placed in Frozen mode the drive executes the command staying in Frozen mode SECURITY SET PASSWORD F1h This command set user password or master password The host outputs sector data with PIO data out protocol to indicate the information defined in the following table Transcend Information Inc 25 Preliminary VO 7 TS8GSSD25H M TS16GSSD25H M lt TS32GSSD25H M 2 5 Half Slim TS64GSSD25H M Solid State Disk Security set Password data content Control word Bit 0 Identifier 0 set user password 1 set master password Bits 1 7 Reserved Bit 8 Security level 0 High 1
33. specific Standby timer value minimum Transcend Information Inc 16 Preliminary V0 7 TS8GSSD25H M TS16GSSD25H M Transcend TS32GSSD25H M 2 5 Half Slim TS64GSSD25H M Solid State Disk F 15 8 data transfer cycle timing mode 51 0000h 7 0 Reserved 52 0000h X Obsolete F 15 3 Reserved F 2 1 the fields reported in word 88 are valid 0 the fields reported in word 88 are not valid 53 0007h F 1 1 the fields reported in words 70 64 are valid 0 the fields reported in words 70 64 are not valid X 0 1 the fields reported in words 58 54 are valid 0 the fields reported in words 58 54 are not valid 54 XXXXh X Number of current cylinders 55 00XXh X Number of current heads 56 XXXXh X Number of current sector per track 57 58 XXXXh X Current capacity in sectors 15 9 Reserved 59 0101h V 8 1 Multiple sector setting is valid V 7 0 Setting for number of sectors that shall be transferred per interrupt R W Multiple command 60 61 XXXXh F Total number of user addressable sectors 62 0000h X Obsolete F 15 11 Reserved V 10 1 DMA mode 2 is selected 0 Multiword mode 2 is not selected V 9 1 Multiword mode 1 is selected 0 Multiword mode 1 is not selected 63 0007h V 8 1 Multiword mode 0 is selected 0 Multiword mode 0 is not selected 7 3 Reserved F 2 1 Multiword DMA mode 2 and below are supported 1 Multiword DMA mode 1 and
34. st a reset from the host in accordance to the sequence shown in Figure 6 below Transcend Information Inc 9 Preliminary VO 7 TS8GSSD25H M TS16GSSD25H M TS32GSSD25H M TS64GSSD25H M Host Host Device COMWAKE On Host Calibrate Host TX 0000000000000 COMWAKE p Transcend 2 5 Half Slim Solid State Disk Host Align Host Releases Host D10 2 A0 000000 60 Device RX 00000000000 A QU WAWA QUU Device TX AAAAAAXAA4AAAA Host RX NYNNNNYXXXXXXXY QUU 5006006 600006 XxX MAN 11 7 VYY N NN N N N V N N Device Calibrate Device COMWAKE Device Align Device COMINIT Device Releases COMINIT 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 ALIGNe Dwords have been sent for 54 6 us 2048 nominal Gen1 Dword times without a response from the host as determined by detection of ALIGN primitives received from the host the device assumes that the ho
35. st cannot communicate at that speed If additional speeds are available the device tries the next lower supported speed by sending ALIGN 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 Transcend Information Inc 10 Preliminary VO 7 TS8GSSD25H M TS16GSSD25H M D Transcend TS32GSSD25H M 2 5 Half Slim TS64GSSD25H M Solid State Disk 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 Gent Dword times after detecting the release of COMWAKE to receive the first ALIGNP This ensures interoperability with multi generational and synchronous designs If no ALIGNPis 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 rec
36. tate Disk 0 Average Erase Count High Byte 1 Average Erase Count Average Erase Count Low Byte Max Erase Count High Byte EAh Average Erase Count Max Erase Count Max Erase Count Max Erase Count Low Byte Reserved Reserved 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 Q O I EBh Good Block Count System Block Count N W PD 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 Transcend Information Inc 30 Preliminary V0 7 TS8GSSD25H M TS16GSSD25H M Transcend TS32GSSD25H M 2 5 Half Slim TS64GSSD25H
37. upported F 7 1 release interrupt supported F 6 1 look ahead supported F 5 1 write cache supported F 4 Shall be cleared to zero to indicate that the PACKET Command feature set is not supported F 3 1 mandatory Power Management feature set supported F 2 1 Removable Media feature set supported F 1 1 Security Mode feature set supported F 0 1 SMART feature set supported Command and feature sets supported F 15 Shall be cleared to zero F 14 Shall be set to one F 13 1 2 The FLUSH CACHE EXT command is supported F 12 Shall be set to one to indicate that the mandatory FLUSH CACHE command is supported F 11 1 The DCO feature set is supported F 10 1 The 48 bit Address feature set is suported F 9 1 The AAM feature set is supported 83 7400h F 8 1 SET MAX security extension supported 7 Reserved F 6 1 SET FEATURES subcommand required to spinup after power up F 5 1 Power Up In Standby feature set supported F 4 1 Removable Media Status Notification feature set supported F 3 1 Advanced Power Management feature set supported F 2 1 CFA feature set supported F 1 1 READ WRITE QUEUED supported F 0 __1 DOWNLOAD MICROCODE command supported Command and feature sets supported F 15 Shall be cleared to zero F 14 Shall be set to one F 13 1 The IDLE IMMEDIATE command with UNLOAD feature is supported 12 11 Reserved for TLC X 10 9 Obsolete F 8 1 The 64 bit World wide name is supported 84 4060h F 7 1 The WRITE QUEUED FUA EXT c

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