Page 2 - ” Portable Solid State Drive; Transcend Information Inc.; Physical Specification
T T T S S S 3 3 3 2 2 2 / / / 6 6 6 4 4 4 / / / 1 1 1 2 2 2 8 8 8 G G G S S S S S S D D D 1 1 1 8 8 8 M M M - - - M M M 1.8” Portable Solid State Drive Transcend Information Inc. V1.2 2 Specifications Specifications Specifications Specifications Physical Specification Form Factor 1.8 inch solid stat...
Page 6 - Wear-Leveling algorithm; blocks with the high erase count free blocks.; ECC algorithm; the used of this block and caused data lost later on.
T T T S S S 3 3 3 2 2 2 / / / 6 6 6 4 4 4 / / / 1 1 1 2 2 2 8 8 8 G G G S S S S S S D D D 1 1 1 8 8 8 M M M - - - M M M 1.8” Portable Solid State Drive Transcend Information Inc. V1.2 6 Reliability Reliability Reliability Reliability Wear-Leveling algorithm The controller supports static/dynamic wea...
Page 7 - Out of bank signaling; ALIGN; depicted in Figure 4 and Table 2.
T T T S S S 3 3 3 2 2 2 / / / 6 6 6 4 4 4 / / / 1 1 1 2 2 2 8 8 8 G G G S S S S S S D D D 1 1 1 8 8 8 M M M - - - M M M 1.8” Portable Solid State Drive Transcend Information Inc. V1.2 7 S S S SATA Interface ATA Interface ATA Interface ATA Interface Out of bank signaling There shall be three Out Of B...
Page 8 - COMRESET; Figure 5 : comreset sequence
T T T S S S 3 3 3 2 2 2 / / / 6 6 6 4 4 4 / / / 1 1 1 2 2 2 8 8 8 G G G S S S S S S D D D 1 1 1 8 8 8 M M M - - - M M M 1.8” Portable Solid State Drive Transcend Information Inc. V1.2 8 COMRESET COMRESET always originates from the host controller, and forces a hardware reset in the device. It is ind...
Page 9 - Some condition in the host causes the host to issue COMRESET; COMINIT
T T T S S S 3 3 3 2 2 2 / / / 6 6 6 4 4 4 / / / 1 1 1 2 2 2 8 8 8 G G G S S S S S S D D D 1 1 1 8 8 8 M M M - - - M M M 1.8” Portable Solid State Drive Transcend Information Inc. V1.2 9 2. Some condition in the host causes the host to issue COMRESET 3. Host releases COMRESET. Once the condition caus...
Page 11 - Power on sequence timing diagram
T T T S S S 3 3 3 2 2 2 / / / 6 6 6 4 4 4 / / / 1 1 1 2 2 2 8 8 8 G G G S S S S S S D D D 1 1 1 8 8 8 M M M - - - M M M 1.8” Portable Solid State Drive Transcend Information Inc. V1.2 11 times) at any given speed. The host should allow for at least 873.8 us (32768 nominal Gen1 Dword times) after det...
Page 13 - Command Table
T T T S S S 3 3 3 2 2 2 / / / 6 6 6 4 4 4 / / / 1 1 1 2 2 2 8 8 8 G G G S S S S S S D D D 1 1 1 8 8 8 M M M - - - M M M 1.8” Portable Solid State Drive Transcend Information Inc. V1.2 13 ATA command register This table with the following paragraphs summarizes the ATA command set. Command Table PARAM...
Page 14 - SC = Sector Count Register
T T T S S S 3 3 3 2 2 2 / / / 6 6 6 4 4 4 / / / 1 1 1 2 2 2 8 8 8 G G G S S S S S S D D D 1 1 1 8 8 8 M M M - - - M M M 1.8” Portable Solid State Drive Transcend Information Inc. V1.2 14 WRITE DMA CAh or CBh O O O O O X WRITE DMA EXT 35h O O O O O X WRITE DMA FUA EXT 3Dh O O O O O X WRITE FPDMA QUEU...
Page 15 - been successfully written or an error occurs.
T T T S S S 3 3 3 2 2 2 / / / 6 6 6 4 4 4 / / / 1 1 1 2 2 2 8 8 8 G G G S S S S S S D D D 1 1 1 8 8 8 M M M - - - M M M 1.8” Portable Solid State Drive Transcend Information Inc. V1.2 15 ATA Command Specifications ATA Command Specifications ATA Command Specifications ATA Command Specifications CHECK...
Page 16 - Identify Device Information Default Value; Word
T T T S S S 3 3 3 2 2 2 / / / 6 6 6 4 4 4 / / / 1 1 1 2 2 2 8 8 8 G G G S S S S S S D D D 1 1 1 8 8 8 M M M - - - M M M 1.8” Portable Solid State Drive Transcend Information Inc. V1.2 16 Identify Device Information Default Value Word Value F/V Description 0 0040h F X X X V X General configuration bi...
Page 22 - X = the content of the word may be fixed or variable.
T T T S S S 3 3 3 2 2 2 / / / 6 6 6 4 4 4 / / / 1 1 1 2 2 2 8 8 8 G G G S S S S S S D D D 1 1 1 8 8 8 M M M - - - M M M 1.8” Portable Solid State Drive Transcend Information Inc. V1.2 22 119 4000h F F F F F F F Commands and feature sets supported (Continued from words 84:82) 15 Shall be cleared to z...
Page 23 - Log Address
T T T S S S 3 3 3 2 2 2 / / / 6 6 6 4 4 4 / / / 1 1 1 2 2 2 8 8 8 G G G S S S S S S D D D 1 1 1 8 8 8 M M M - - - M M M 1.8” Portable Solid State Drive Transcend Information Inc. V1.2 23 IDLE (E3h) This command causes the device to set BSY, enter the Idle mode, clear BSY and generate an interrupt. I...
Page 24 - specified in the Sector Number register.
T T T S S S 3 3 3 2 2 2 / / / 6 6 6 4 4 4 / / / 1 1 1 2 2 2 8 8 8 G G G S S S S S S D D D 1 1 1 8 8 8 M M M - - - M M M 1.8” Portable Solid State Drive Transcend Information Inc. V1.2 24 READ MULTIPLE (C4h) This command performs similarly to the Read Sectors command. Interrupts are not generated on ...
Page 25 - Features register Value and settable operating mode; Value
T T T S S S 3 3 3 2 2 2 / / / 6 6 6 4 4 4 / / / 1 1 1 2 2 2 8 8 8 G G G S S S S S S D D D 1 1 1 8 8 8 M M M - - - M M M 1.8” Portable Solid State Drive Transcend Information Inc. V1.2 25 SET FEATURES (EFh) This command set parameter to Features register and set drive’s operation. For transfer mode, ...
Page 26 - SMART READ DATA
T T T S S S 3 3 3 2 2 2 / / / 6 6 6 4 4 4 / / / 1 1 1 2 2 2 8 8 8 G G G S S S S S S D D D 1 1 1 8 8 8 M M M - - - M M M 1.8” Portable Solid State Drive Transcend Information Inc. V1.2 26 SMART READ DATA This command returns 512-byte SMART Data Structure to the host with PIO data-in protocol. The reg...
Page 27 - The attribute ID information is listed in the following table; Detail Information
T T T S S S 3 3 3 2 2 2 / / / 6 6 6 4 4 4 / / / 1 1 1 2 2 2 8 8 8 G G G S S S S S S D D D 1 1 1 8 8 8 M M M - - - M M M 1.8” Portable Solid State Drive Transcend Information Inc. V1.2 27 The attribute ID information is listed in the following table Detail Information ID Description Byte Description ...
Page 28 - SMART READ ATTRIBUTE THRESHOLD
T T T S S S 3 3 3 2 2 2 / / / 6 6 6 4 4 4 / / / 1 1 1 2 2 2 8 8 8 G G G S S S S S S D D D 1 1 1 8 8 8 M M M - - - M M M 1.8” Portable Solid State Drive Transcend Information Inc. V1.2 28 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...
Page 29 - SMART DISABLE OPERATIONS
T T T S S S 3 3 3 2 2 2 / / / 6 6 6 4 4 4 / / / 1 1 1 2 2 2 8 8 8 G G G S S S S S S D D D 1 1 1 8 8 8 M M M - - - M M M 1.8” Portable Solid State Drive Transcend Information Inc. V1.2 29 SMART DISABLE OPERATIONS Disables the SMART function. Upon receiving the command, the drive disables all SMART op...
Page 30 - FEATURES command to specify the mode value.
T T T S S S 3 3 3 2 2 2 / / / 6 6 6 4 4 4 / / / 1 1 1 2 2 2 8 8 8 G G G S S S S S S D D D 1 1 1 8 8 8 M M M - - - M M M 1.8” Portable Solid State Drive Transcend Information Inc. V1.2 30 WRITE BUFFER (E8h) This command enables the host to write the contents of one 512-byte block of data to the devic...
Page 31 - address. Specify “00h” to write 256 sectors.
T T T S S S 3 3 3 2 2 2 / / / 6 6 6 4 4 4 / / / 1 1 1 2 2 2 8 8 8 G G G S S S S S S D D D 1 1 1 8 8 8 M M M - - - M M M 1.8” Portable Solid State Drive Transcend Information Inc. V1.2 31 WRITE SECTOR(S) (30h/31h) Write data to a specified number of sectors (1 to 256, as specified with the Sector Cou...