Page 2 - ~32GB High Capacity Secure Digital Card; Transcend Information Inc.; Architecture
S S S D D D H H H C C C C C C a a a r r r d d d s s s e e e r r r i i i e e e s s s 4~32GB High Capacity Secure Digital Card Transcend Information Inc. 2 Architecture
Page 3 - Bus Operating Conditions
S S S D D D H H H C C C C C C a a a r r r d d d s s s e e e r r r i i i e e e s s s 4~32GB High Capacity Secure Digital Card Transcend Information Inc. 3 Bus Operating Conditions • General Parameter Symbol Min. Max. Unit Remark Peak voltage on all lines -0.3 V DD +0.3 V All Inputs Input Leakage Curr...
Page 5 - Bus Signal Levels; Parameter
S S S D D D H H H C C C C C C a a a r r r d d d s s s e e e r r r i i i e e e s s s 4~32GB High Capacity Secure Digital Card Transcend Information Inc. 5 • 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 re...
Page 6 - Bus Timing
S S S D D D H H H C C C C C C a a a r r r d d d s s s e e e r r r i i i e e e s s s 4~32GB High Capacity Secure Digital Card Transcend Information Inc. 6 • Bus Timing Parameter Symbol Min Max. Unit Remark Clock CLK (All values are referred to min (V IH ) and max (V IL ) Clock frequency Data Transfer...
Page 7 - Output Delay time during Data Transfer Mode; Output Delay time during Identification Mode
S S S D D D H H H C C C C C C a a a r r r d d d s s s e e e r r r i i i e e e s s s 4~32GB High Capacity Secure Digital Card Transcend Information Inc. 7 Output Delay time during Data Transfer Mode t ODLY 0 14 ns C L ≤ 40 pF, (1 card) Output Delay time during Identification Mode t ODLY 0 50 ns C L ≤...
Page 10 - Reliability and Durability; Temperature
S S S D D D H H H C C C C C C a a a r r r d d d s s s e e e r r r i i i e e e s s s 4~32GB High Capacity Secure Digital Card Transcend Information Inc. 10 Reliability and Durability Temperature Operation: -25°C / 85°C Storage: -40°C (168h) / 85°C (500h) Junction temperature: max. 95°C Moisture and c...
Page 11 - Register Information; The OCR register shall be implemented by the cards.; OCR Register Definition
S S S D D D H H H C C C C C C a a a r r r d d d s s s e e e r r r i i i e e e s s s 4~32GB High Capacity Secure Digital Card Transcend Information Inc. 11 Register Information Within the card interface six registers are defined: OCR, CID, CSD, RCA, DSR and SCR. These can be accessed only by correspo...
Page 15 - CSD Register Structure; TAAC
S S S D D D H H H C C C C C C a a a r r r d d d s s s e e e r r r i i i e e e s s s 4~32GB High Capacity Secure Digital Card Transcend Information Inc. 15 CSD Register Structure • TAAC This field is fixed to 0Eh, which indicates 1 ms. The host should not use TAAC, NSAC, and R2W_FACTOR to calculate t...
Page 20 - SCR Register Structure Version
S S S D D D H H H C C C C C C a a a r r r d d d s s s e e e r r r i i i e e e s s s 4~32GB High Capacity Secure Digital Card Transcend Information Inc. 20 0x404. 6. SCR Register In addition to the CSD register there is another configuration register that named - SD CARD Configuration Register (SCR)....
Page 21 - SD Supported Security Algorithm
S S S D D D H H H C C C C C C a a a r r r d d d s s s e e e r r r i i i e e e s s s 4~32GB High Capacity Secure Digital Card Transcend Information Inc. 21 Defines the data status after erase, whether it is ‘0’ or ‘1’ (the status is card vendor dependent). • SD_SECURITY Describes the security algorit...
Page 22 - Mechanical Dimension
S S S D D D H H H C C C C C C a a a r r r d d d s s s e e e r r r i i i e e e s s s 4~32GB High Capacity Secure Digital Card Transcend Information Inc. 22 Mechanical Dimension