ATP Electronics, Inc.
Table of Contents
Disclaimer ................................................................................................................................................. 1
Revision History ........................................................................................................................................ 1
1.0 Introduction ................................................................................................................................. 2
1.1 Main Features .........................................................................................................................................2
1.2 Card Images .............................................................................................................................................3
1.3 Capacities ................................................................................................................................................3
1.4 Icon Specification ....................................................................................................................................3
2.0 SD Card Hardware System ........................................................................................................ 4
2.1 Power Up .................................................................................................................................................5
2.2 Power Up Time .......................................................................................................................................6
3.0 Product Specifications ................................................................................................................ 7
3.1 Ultra High Speed Type I (UHS-I) Card ......................................................................................................7
3.2 UHS-I Card Types .....................................................................................................................................7
3.3 Host and Card Combination ....................................................................................................................8
3.4 Bus Speed Mode Selection Sequence .....................................................................................................9
3.5 Environment Specifications...................................................................................................................10
3.6 Reliability ...............................................................................................................................................11
3.7 Data Retention ......................................................................................................................................11
3.8 Performance ..........................................................................................................................................12
3.9 Extra Features .......................................................................................................................................12
3.10 Host Device Compatibility .....................................................................................................................13
3.11 Physical Dimension (Units in mm) .......................................................................................................14
3.12 Mechanical Form Factor (Units in mm) ................................................................................................14
4.0 Electrical Characteristics ......................................................................................................... 17
4.1 DC Characteristics ................................................................................................................................17
4.2 Summary of Bus Speed Mode and Maximum Current .........................................................................18
4.3 AC Characteristics ................................................................................................................................19
4.4 Bus Signal Line Load ............................................................................................................................22
5.0 Card Registers ........................................................................................................................... 23
5.1 OCR Register ........................................................................................................................................23
5.2 CID Register .........................................................................................................................................25
5.3 CSD Register .........................................................................................................................................26
5.4 RCA Register ........................................................................................................................................29
5.5 DSR Register (Optional) .........................................................................................................................29
5.6 SCR Register .........................................................................................................................................30
5.7 SSR Register .........................................................................................................................................30
5.8 CSR Register .........................................................................................................................................30