Instruction/ maintenance manual of the product Secure Digital Card TS2GSD150 Transcend
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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.
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.
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.
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.
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.
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.
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.
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.
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.
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_PROT.
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.
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.
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.
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 tim.
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.
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.
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.
An important point after buying a device Transcend Secure Digital Card TS2GSD150 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
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If you already are a holder of Transcend Secure Digital Card TS2GSD150, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Transcend Secure Digital Card TS2GSD150.
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