SD Association SD-501 Manuals

SD Association SD-501 Manuals

Manuals and User Guides for SD Association SD-501. We have 1 SD Association SD-501 manual available for free PDF download: Specifications

SD Association SD-501 Specifications

SD Association SD-501 Specifications (29 pages)

SD Card Specification

Brand: SD Association | Category: Storage | Size: 0 MB

Table of Contents

Revision History
2
Table of Contents
3
1 General Description

5
- SDIO Features
  5
- Primary Reference Document
  5
2 SDIO Signaling Definition

6
3 SDIO Card Initialization

8
4 Differences with SD Memory Specification

11
- Unsupported SD Memory Commands
  11
- Table 2 Unsupported SD Memory Commands
  11
- Bus Width
  12
- Card Detect Resistor
  12
- Data Transfer Abort
  12
- Changes to SD Memory Fixed Registers
  12
  - OCR Register
    12
  - CID Register
    12
  - RCA Register
    12
5 New I/O Read/Write Commands

13
- IO_RW_DIRECT Command (CMD52)
  13
- IO_RW_EXTENDED Command (CMD53)
  13
  - CMD53 Data Transfer Format
    13
6 SDIO Card Internal Operation

14
- Overview
  14
- Register Access Time
  14
- Interrupts
  14
- Suspend/Resume
  15
- Read Wait (Optional)
  15
- SDIO Fixed Internal Map
  16
- Common I/O Area (CIA)
  16
- Figure 4 SDIO Internal Map
  16
- Card Common Control Registers (CCCR)
  17
- Function Basic Registers (FBR)
  17
- Card Information Structure (CIS)
  17
- Multiple Function SD Cards
  17
- Embedded I/O Code Storage Area (CSA)
  17
7 SDIO Interrupts

18
- Interrupt Timing
  18
  - SPI and SD 1-Bit Mode Interrupts
    18
  - SD 4-Bit Mode
    18
  - Interrupt Clear Timing
    18
8 SDIO Physical Properties

19
9 SDIO Mechanical Extensions

20
- Additional ESD/EMI Ground Point
  20
- Extended Case
  20
- Write Protect Switch
  20
- Figure 5 SDIO Mechanical Extensions
  21
10 SDIO Power

22
- SDIO Card Initialization Voltage
  22
- SDIO Power Consumption
  22
- SDIO Current
  22
11 Abbreviations and Terms

23

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