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SDHC Card series
SDHC Card series 4~32GB High Capacity Secure Digital Card
SDHC Card series
Description Features
Transcend High Capacity SD Card series are • RoHS compliant product.
specifically designed to meet the High Capacity, High • Card Lid material: PC (comply with UL94,Flame
Definition Audio and Video requirement for the latest Class:HB)
Digital Cameras, DV Recorders, Mobile Phones, etc,. • Operating Voltage: 2.7 ~ 3.6V
The new defined Speed Class enables
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SDHC Card series SDHC Card series 4~32GB High Capacity Secure Digital Card SDHC Card series Architecture 2 Transcend Information Inc.
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SDHC Card series SDHC Card series 4~32GB High Capacity Secure Digital Card SDHC Card series Bus Operating Conditions • General Parameter Symbol Min. Max. Unit Remark Peak voltage on all lines -0.3 V +0.3 V DD All Inputs Input Leakage Current -10 10 µA All Outputs Output Leakage Current -10 10 µA • Power Supply Voltage Parameter Symbol Min. Max. Unit Remark Supply voltage V 2.7 3.6 V DD Output High Voltage V 0.75* V V I =-100uA@V Min. OH DD OH DD Out
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SDHC Card series SDHC Card series 4~32GB High Capacity Secure Digital Card SDHC Card series Single card capacitance C 10 pF CARD Maximum signal line inductance 16 nH f ≤ 20 MHz PP Pull-up resistance inside card (pin1) R 10 90 kΩ May be used for card DAT3 detection Note that the total capacitance of CMD and DAT lines will be consist of C , C and one C only because they are HOST BUS CARD connected separately to the SD Memory Card host. Host should consider total
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SDHC Card series SDHC Card series 4~32GB High Capacity Secure Digital Card SDHC Card series • 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 and JESD8-7, the card input and output voltages shall be within the following specified ranges for any V of the allowed voltage range: DD Parameter Symbol Min. Max. Unit Remark O
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SDHC Card series SDHC Card series 4~32GB High Capacity Secure Digital Card SDHC Card series • Bus Timing Parameter Symbol Min Max. Unit Remark Clock CLK (All values are referred to min (V ) and max (V ) IH IL Clock frequency Data Transfer Mode f 0 25 MHz C ≤ 10 pF, (1 card) PP CARD Clock frequency Identification Mode f 0/100 400 KHz C ≤ 10 pF, (1 card) OD (1) CARD Clock low time t 10 ns C ≤ 10 pF, (1 card) WL CARD Clock high time t 10 ns C ≤ 10 pF, (1 card)
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SDHC Card series SDHC Card series 4~32GB High Capacity Secure Digital Card SDHC Card series Output Delay time during Data Transfer Mode t 0 14 ns C ≤ 40 pF, (1 card) ODLY L Output Delay time during Identification Mode t 0 50 ns C ≤ 40 pF, (1 card) ODLY L (1) 0 Hz means to stop the clock. The given minimum frequency range is for cases were continues clock is required 7 Transcend Information Inc.
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SDHC Card series SDHC Card series 4~32GB High Capacity Secure Digital Card SDHC Card series • Bus Timing (High Speed Mode) Parameter Symbol Min Max. Unit Remark Clock CLK (All values are referred to min (V ) and max (V ) IH IL Clock frequency Data Transfer Mode f 0 50 MHz C ≤ 10 pF, (1 card) PP CARD Clock low time t 7 ns C ≤ 10 pF, (1 card) WL CARD Clock high time t 7 ns C ≤ 10 pF, (1 card) WH CARD Clock rise time t 3 ns C ≤ 10 pF, (1 card) TLH CARD Clock fall
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SDHC Card series SDHC Card series 4~32GB High Capacity Secure Digital Card SDHC Card series Output Delay time during Data Transfer Mode t 14 ns C ≤ 40 pF, (1 card) ODLY L Output Hold time t 2.5 ns C ≤ 40 pF, (1 card) OH L 1 Total System capacitance for each line C 40 pF (1 card) L 1) In order to satisfy severe timing, host shall drive only one card. 9 Transcend Information Inc.
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SDHC Card series SDHC Card series 4~32GB High Capacity Secure Digital Card SDHC Card series Reliability and Durability Temperature Operation: -25°C / 85°C 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. hum./500h Salt Water Spray: 3% NaCl/35C; 24h acc. MIL STD Method 1009 Durability 10.000 mating cycles; test procedure: tbd. Bending 10N Torque 0.15N.m or +/-
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SDHC Card series SDHC Card series 4~32GB High Capacity Secure Digital Card SDHC Card series Register Information Within the card interface six registers are defined: OCR, CID, CSD, RCA, DSR and SCR. These can be accessed only by corresponding commands (see Chapter 4.7). The OCR, CID, CSD and SCR registers carry the card/content specific information, while the RCA and DSR registers are configuration registers storing actual configuration parameters. 1. OCR register
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SDHC Card series SDHC Card series 4~32GB High Capacity Secure Digital Card SDHC Card series 1) This bit is valid only when the card power up status bit is set. 2) This bit is set to LOW if the card has not finished the power up routine. The supported voltage range is coded as shown in Table 5-1. A voltage range is not supported if the corresponding bit value is set to LOW. As long as the card is busy, the corresponding bit (31) is set to LOW. 2. CID Register T
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SDHC Card series SDHC Card series 4~32GB High Capacity Secure Digital Card SDHC Card series The product revision is composed of two Binary Coded Decimal (BCD) digits, four bits each, representing an “n.m” revision number. The “n” is the most significant nibble and “m” is the least significant nibble. As an example, the PRV binary value field for product revision “6.2” will be: 0110 0010 • PSN The Serial Number is 32 bits of binary number. • MDT The manufactu
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SDHC Card series SDHC Card series 4~32GB High Capacity Secure Digital Card SDHC Card series The CSD Register Fields (CSD Version 2.0) The following sections describe the CSD fields and the relevant data types. If not explicitly defined otherwise, all bit strings are interpreted as binary coded numbers starting with the left bit first. • CSD_STRUCTURE Field structures of the CSD register are different depend on the Physical Specification Version and Card Capac
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SDHC Card series SDHC Card series 4~32GB High Capacity Secure Digital Card SDHC Card series 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 timeout and should uses fixed timeout values for read and write operations (See 4.6.2). • NSAC This field is fixed to 00h. NSAC should not be used to calculate time-out values. • TRAN_SPEED The following table defin
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SDHC Card series SDHC Card series 4~32GB High Capacity Secure Digital Card SDHC Card series Note that for current SD Memory Cards that field must be always 0_0110_010b (032h) which is equal to 25MHz - the mandatory maximum operating frequency of SD Memory Card. In High-Speed mode, that field must be always 0_1011_010b (05Ah) which is equal to 50MHz. And when the timing mode returns to the default by CMD6 or CMD0 command, its value will be 032h. • CCC The SD M
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SDHC Card series SDHC Card series 4~32GB High Capacity Secure Digital Card SDHC Card series • C_SIZE This field is expanded to 22 bits and can indicate up to 2 TBytes (It is the same as the maximum memory space specified by a 32-bit block address.) This parameter is used to calculate the user data area capacity in the SD memory card (not include the protected area). The user data area capacity is calculated from C_SIZE as follows: memory capacity = (C_SIZE+1) * 51
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SDHC Card series SDHC Card series 4~32GB High Capacity Secure Digital Card SDHC Card series • COPY Defines if the contents is original (= ‘0’) or has been copied (=’1’). The COPY bit for OTP and MTPdevices, sold to end consumers, is set to ‘1’ which identifies the card contents as a copy. The COPY bit is an one time programmable bit. • PERM_WRITE_PROTECT Permanently protects the whole card content against overwriting or erasing (all write and erase commands fo
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SDHC Card series SDHC Card series 4~32GB High Capacity Secure Digital Card SDHC Card series 4. RCA Register The writable 16-bit relative card address register carries the card address that is published by the card during the card identification. This address is used for the addressed host-card communication after the card identification procedure. The default value of the RCA register is 0x0000. The value0x0000 is reserved to set all cards into the Stand-by State
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SDHC Card series SDHC Card series 4~32GB High Capacity Secure Digital Card SDHC Card series 0x404. 6. SCR Register In addition to the CSD register there is another configuration register that named - SD CARD Configuration Register (SCR). SCR provides information on SD Memory Card's special features that were configured into the given card. The size of SCR register is 64 bit. This register shall be set in the factory by the SD Memory Card manufacturer. The followi
