Secure Digital
From HwB
(Difference between revisions)
| Line 1: | Line 1: | ||
''SD=Secure Digital'' | ''SD=Secure Digital'' | ||
| + | [[Image:Crucial_SecureDigital.png|thumb|SD card]] | ||
[[MMC]] with added DRM like functions. | [[MMC]] with added DRM like functions. | ||
Revision as of 15:09, 4 January 2007
SD=Secure Digital
MMC with added DRM like functions.
Contents |
Physical size
| Width: | 24 mm |
| Length: | 32 mm |
| Thickness: | 2.1 mm |
| Card Volume: | 1596 mm3 |
| Weight: | ~2 g |
| Operating Voltage | 2.7 - 3.6V |
Version
| Version: | Name: |
|---|---|
| 1.0/1.1 | SD |
| 2.0 | SD-HC (HC=High capacity) |
Speeds
| 4x: | 600 KB/s |
| 16x: | 2.4 MB/s |
| 40x: | 6.0 MB/s |
| 66x: | 10 MB/s |
| 133x: | 20 MB/s |
Pinout
SD Mode
| Pin | Name | Dir | Description |
|---|---|---|---|
| 1 | CD/DAT3 |  PP) |
Card Detect/Data Line 3 |
| 2 | CMD | PP) |
Command Line |
| 3 | VSS1 |  |
Ground |
| 4 | Vdd |  |
Voltage Supply [2.7v or 3.6v] |
| 5 | Clock | |
Clock |
| 6 | Vss2 | |
Ground |
| 7 | DAT0 | PP) |
Data Line 0 |
| 8 | DAT1 | PP) |
Data Line 1 |
| 9 | DAT2 | PP) |
Data Line 2 |
Note: Direction is memory card relative to host
PP) Output is Push-pull.
SPI Mode
| Pin | Name | Dir | Description |
|---|---|---|---|
| 1 | /CS | |
Chip Select/Slave Select (SS) |
| 2 | DI | PP) |
Master Out/Slave In (MOSI) |
| 3 | VSS | |
Supply voltage ground |
| 4 | VDD | |
Supply voltage |
| 5 | CLK | |
Clock (SCK) |
| 6 | VSS | |
Supply voltage ground |
| 7 | DO | PP) |
Master In/Slave Out (MISO) |
| 8 | IRQ | not connected or IRQ | |
| 9 | NC | not connected |
Note: Direction is memory card relative to host
PP) Push-pull.