Page 2 - microSD Memory Card + Reader S3; Transcend Information Inc.
T T T S S S 1 1 1 ~ ~ ~ 2 2 2 G G G U U U S S S D D D - - - S S S 3 3 3 microSD Memory Card + Reader S3 Transcend Information Inc. 2 Architecture
Page 3 - General
T T T S S S 1 1 1 ~ ~ ~ 2 2 2 G G G U U U S S S D D D - - - S S S 3 3 3 microSD Memory Card + Reader S3 Transcend Information Inc. 3 Bus Operating Conditions • 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 Outpu...
Page 4 - Bus Signal Levels; Parameter
T T T S S S 1 1 1 ~ ~ ~ 2 2 2 G G G U U U S S S D D D - - - S S S 3 3 3 microSD Memory Card + Reader S3 Transcend Information Inc. 4 • 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 JED...
Page 5 - Bus Timing
T T T S S S 1 1 1 ~ ~ ~ 2 2 2 G G G U U U S S S D D D - - - S S S 3 3 3 microSD Memory Card + Reader S3 Transcend Information Inc. 5 • 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 Mode f PP 0 25 MHz C...
Page 6 - Temperature
T T T S S S 1 1 1 ~ ~ ~ 2 2 2 G G G U U U S S S D D D - - - S S S 3 3 3 microSD Memory Card + Reader S3 Transcend Information Inc. 6 Reliability and Durability Temperature Operation: -25°C / 85°C (Target spec) Moisture and corrosion Operation: 25°C / 95% rel. humidity Storage: 40°C / 93% rel. hum./5...
Page 7 - The 32-bit operation conditions register stores the V; voltage profile of the card. In addition, this
T T T S S S 1 1 1 ~ ~ ~ 2 2 2 G G G U U U S S S D D D - - - S S S 3 3 3 microSD Memory Card + Reader S3 Transcend Information Inc. 7 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 Ch...
Page 10 - Version number of the related CSD structure.; TAAC; Defines the asynchronous part of the data access time.
T T T S S S 1 1 1 ~ ~ ~ 2 2 2 G G G U U U S S S D D D - - - S S S 3 3 3 microSD Memory Card + Reader S3 Transcend Information Inc. 10 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 numbe...
Page 11 - CCC
T T T S S S 1 1 1 ~ ~ ~ 2 2 2 G G G U U U S S S D D D - - - S S S 3 3 3 microSD Memory Card + Reader S3 Transcend Information Inc. 11 • NSAC Defines the worst case for the clock dependent factor of the data access time. The unit for NSAC is100 clock cycles. Therefore, the maximal value for the clock...
Page 12 - . The maximum block length might therefore be in the
T T T S S S 1 1 1 ~ ~ ~ 2 2 2 G G G U U U S S S D D D - - - S S S 3 3 3 microSD Memory Card + Reader S3 Transcend Information Inc. 12 command class is supported. • READ_BL_LEN The maximum read data block length is computed as 2 READ_BL_LEN . The maximum block length might therefore be in the range 5...
Page 13 - where; are coded as follows:
T T T S S S 1 1 1 ~ ~ ~ 2 2 2 G G G U U U S S S D D D - - - S S S 3 3 3 microSD Memory Card + Reader S3 Transcend Information Inc. 13 Defines if the configurable driver stage is integrated on the card. If set, a driver stage register (DSR)must be implemented also. • C_SIZE This parameter is used to ...
Page 14 - The factor MULT is defined as 2
T T T S S S 1 1 1 ~ ~ ~ 2 2 2 G G G U U U S S S D D D - - - S S S 3 3 3 microSD Memory Card + Reader S3 Transcend Information Inc. 14 The factor MULT is defined as 2 C_SIZE_MULT+2 . • ERASE_BLK_EN The ERASE_BLK_EN defines the granularity of the unit size of the data to be erased. The erase operation...
Page 15 - . The maximum block lengthmight therefore be in
T T T S S S 1 1 1 ~ ~ ~ 2 2 2 G G G U U U S S S D D D - - - S S S 3 3 3 microSD Memory Card + Reader S3 Transcend Information Inc. 15 blocks (see WRITE_BL_LEN). The actual size is computed by increasing this number by one. A value of zero means 1 write block, 127 means 128 write blocks. • WP_GRP_SIZ...
Page 19 - Register
T T T S S S 1 1 1 ~ ~ ~ 2 2 2 G G G U U U S S S D D D - - - S S S 3 3 3 microSD Memory Card + Reader S3 Transcend Information Inc. 19 cards). The CSD register carries the information about the DSR register usage. The default value of the DSR register is 0x404. 6. SCR Register In addition to the CSD ...
Page 21 - Mechanical Dimension; Mechanical Description: Top View
T T T S S S 1 1 1 ~ ~ ~ 2 2 2 G G G U U U S S S D D D - - - S S S 3 3 3 microSD Memory Card + Reader S3 Transcend Information Inc. 21 Mechanical Dimension Mechanical Description: Top View
Page 22 - Mechanical Description: Bottom View
T T T S S S 1 1 1 ~ ~ ~ 2 2 2 G G G U U U S S S D D D - - - S S S 3 3 3 microSD Memory Card + Reader S3 Transcend Information Inc. 22 Mechanical Description: Bottom View
Page 23 - Mechanical Description: Keep Out Area
T T T S S S 1 1 1 ~ ~ ~ 2 2 2 G G G U U U S S S D D D - - - S S S 3 3 3 microSD Memory Card + Reader S3 Transcend Information Inc. 23 Mechanical Description: Keep Out Area
Page 24 - microSD package: Dimensions
T T T S S S 1 1 1 ~ ~ ~ 2 2 2 G G G U U U S S S D D D - - - S S S 3 3 3 microSD Memory Card + Reader S3 Transcend Information Inc. 24 microSD package: Dimensions
Page 25 - Features; microSD; Placement; Side; System Requirements
T T T S S S 1 1 1 ~ ~ ~ 2 2 2 G G G U U U S S S D D D - - - S S S 3 3 3 microSD Memory Card + Reader S3 Transcend Information Inc. 25 microSD Reader S3 Description microSD Reader S3 is a USB 2.0 Compact Card Reader. It is a small device specifically designed for fast and easy data transfer. The Card...
Page 26 - Block Diagram; ALCOR; Pinouts; Pin Name; VCC; Pin Identification; Symbol
T T T S S S 1 1 1 ~ ~ ~ 2 2 2 G G G U U U S S S D D D - - - S S S 3 3 3 microSD Memory Card + Reader S3 Transcend Information Inc. 26 Block Diagram ALCOR AU6332 USB Interface Power+3.3V Memory Card +5V Pinouts Pin No. Pin Name 01 VCC 02 USB- 03 USB+ 04 VSS Pin Identification Symbol Function USB- USB...
Page 27 - General DC Characteristics
T T T S S S 1 1 1 ~ ~ ~ 2 2 2 G G G U U U S S S D D D - - - S S S 3 3 3 microSD Memory Card + Reader S3 Transcend Information Inc. 27 General DC Characteristics Bus Signal Level Above technical information is based on industry standard data and tested to be reliable. However, Transcend makes no warr...