Transcend Information TS2GSD150 manual

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Table of contents for the manual

  • Page 1

    T T T S S S 2 2 2 G G G S S S D D D 1 1 1 5 5 5 0 0 0 2GB 150x Secure Digital Card Transcend Information Inc. 1 Description TS2GSD150 is a 2GB Secure Digital Card of 150X ultra-high performance. It is specifically designed to meet the security, capacity, performance and small form factor requirements in newly emerging audio and video consumer elect[...]

  • Page 2

    T T T S S S 2 2 2 G G G S S S D D D 1 1 1 5 5 5 0 0 0 2GB 150x Secure Digital Card Transcend Information Inc. 2 Architecture[...]

  • Page 3

    T T T S S S 2 2 2 G G G S S S D D D 1 1 1 5 5 5 0 0 0 2GB 150x Secure Digital Card Transcend Information Inc. 3 Bus Protocol SD bus Communication over the SD bus is based on command and data bit streams which are initiated by a start bit and terminated by a stop bit. • Command : a command is a token which starts an operation. A command is sent fr[...]

  • Page 4

    T T T S S S 2 2 2 G G G S S S D D D 1 1 1 5 5 5 0 0 0 2GB 150x Secure Digital Card Transcend Information Inc. 4 Figure 5: (Multiple) Block read operation The block write operation uses a simple busy signaling of the write operation durati on on the DAT0 data line (see Figure 6) regardless of the number of data lines used for transferring the data. [...]

  • Page 5

    T T T S S S 2 2 2 G G G S S S D D D 1 1 1 5 5 5 0 0 0 2GB 150x Secure Digital Card Transcend Information Inc. 5 The CRC protection algorithm for block data is a 16 bit CCITT polynomial. Figure 8: Response token format In the CMD line the MSB bit is transmi tted first the LSB bit is the last. When the wide bus option is used, the data is transferred[...]

  • Page 6

    T T T S S S 2 2 2 G G G S S S D D D 1 1 1 5 5 5 0 0 0 2GB 150x Secure Digital Card Transcend Information Inc. 6 SPI bus While the SD channel is based on command and data bit streams which are initiated by a start bit and terminated by a stop bit, the SPI channel is byte oriented. Every command or data block is built of 8-bit bytes and is byte align[...]

  • Page 7

    T T T S S S 2 2 2 G G G S S S D D D 1 1 1 5 5 5 0 0 0 2GB 150x Secure Digital Card Transcend Information Inc. 7 Figure 12: Read operation - data error • Data Write Single and multiple block write operations are supported in SPI mode. Upon reception of a valid write command, the card will respond with a response token and will wait for a data bloc[...]

  • Page 8

    T T T S S S 2 2 2 G G G S S S D D D 1 1 1 5 5 5 0 0 0 2GB 150x Secure Digital Card Transcend Information Inc. 8 Card Registers 1. OCR Register The 32-bit operation conditions register st ores the VDD voltage profile of the card . In addition, this register includes a status information bit. This status bit is set if the ca rd power up procedure has[...]

  • Page 9

    T T T S S S 2 2 2 G G G S S S D D D 1 1 1 5 5 5 0 0 0 2GB 150x Secure Digital Card Transcend Information Inc. 9 4. Relative Card Address Register (RCA) The writable 16-bit relative card address register carries the card address assigned by the host during the card identification. This address is used for the addressed host-ca rd communication after[...]

  • Page 10

    T T T S S S 2 2 2 G G G S S S D D D 1 1 1 5 5 5 0 0 0 2GB 150x Secure Digital Card Transcend Information Inc. 10 [14] 1 Copy flag COPY 0 b Not copied [13] 1 Permanent write protection PER M_WRITE_PROTECT 0 b Not protected [12] 1 Temporary write protection TMP_WRITE_PROTECT 0 b Not protected [11:10] 2 File format FILE_FORMAT 00 b HD like FAT [9:8] 2[...]

  • Page 11

    T T T S S S 2 2 2 G G G S S S D D D 1 1 1 5 5 5 0 0 0 2GB 150x Secure Digital Card Transcend Information Inc. 11 AC/DC Character • General Parameter Symbol Min. Max. Unit Remark Peak voltage on all lines -0.3 VDD+0.3 V All Inputs Input Leakage Current -10 10 µA All Outputs Output Leakage Current -10 10 µA • Power Supply Voltage Parameter Symb[...]

  • Page 12

    T T T S S S 2 2 2 G G G S S S D D D 1 1 1 5 5 5 0 0 0 2GB 150x Secure Digital Card Transcend Information Inc. 12 • Bus Signal Levels As the bus can be supplied with a variable supply voltage, all signal levels are related to the supply voltage. To meet the requirements of the JEDEC specification JESD8- 1A, the card input and output voltages shall[...]

  • Page 13

    T T T S S S 2 2 2 G G G S S S D D D 1 1 1 5 5 5 0 0 0 2GB 150x Secure Digital Card Transcend Information Inc. 13 • Bus Timing (Default) Parameter Symbol Min Max. Unit Remark Clock CLK (All values are referred to min (V IH ) and max (V IL ) Clock frequency Data Transfer Mode f PP 0 25 MHz C L ≤ 100 pF , (7 cards) Clock frequency Identification M[...]

  • Page 14

    T T T S S S 2 2 2 G G G S S S D D D 1 1 1 5 5 5 0 0 0 2GB 150x Secure Digital Card Transcend Information Inc. 14 50 ns C L ≤ 250 pF , (21 cards) t THL 10 ns C L ≤ 100 pF , (7 cards) Clock fall time 50 ns C L ≤ 250 pF , (21 cards) Inputs CMD, DA T (referenced to CLK) Input set-up time t ISU 5 ns C L ≤ 25 pF , (1 cards) Input hold time t IH 5[...]

  • Page 15

    T T T S S S 2 2 2 G G G S S S D D D 1 1 1 5 5 5 0 0 0 2GB 150x Secure Digital Card Transcend Information Inc. 15 • Bus Timing (High Speed Mode) Parameter Symbol Min Max. Unit Remark Clock CLK (All values are referred to min (V IH ) and max (V IL ) Clock frequency Data Transfer Mode f PP 0 50 MHz Clock low time t WL 7 ns Clock high time t WH 7 ns [...]

  • Page 16

    T T T S S S 2 2 2 G G G S S S D D D 1 1 1 5 5 5 0 0 0 2GB 150x Secure Digital Card Transcend Information Inc. 16 Output Delay time during Data Transfer Mode t ODL Y 14 ns Output Hold time t OH 2.5 ns T otal System cap acitance for each line C L 40 pF[...]

  • Page 17

    T T T S S S 2 2 2 G G G S S S D D D 1 1 1 5 5 5 0 0 0 2GB 150x Secure Digital Card Transcend Information Inc. 17 Reliability and Durability Temperature Operation: -25°C / 85°C (Target spec) Storage: -40°C (168h) / 85°C (500h) Junction temperature: max. 95°C Moisture and corrosion Operation: 25°C / 95% rel. humidity Storage: 40°C / 93% rel. h[...]