| History
|
|---|
| Issue Date
|
Notes
|
|---|
| 2021/08/28
|
New documentation layout
|
The SD/SDIO controller controller is compatible with the standard SD Host Controller Specification Version 2.0
Part A2. The core also supports up to seven functions in SD1, SD4, but does not support SPI mode. It does support SD high-speed (SDHS) and SD High Capacity (SDHC) card standards. The SD/SDIO controller also supports MMC3.31.
The following table describes the interface signals:
| Pin name
|
Conn. pin
|
Function
|
Notes
|
|---|
| PS_SD0_CLOCK |
J1.85 |
SD/SDIO/MMC clock |
-
|
| PS_SD0_CMD |
J1.81 |
SD/SDIO/MMC command |
-
|
| PS_SD0_DAT0 |
J1.79 |
SD/SDIO/MMC data 0 |
-
|
| PS_SD0_DAT1 |
J1.77 |
SD/SDIO/MMC data 1 |
-
|
| PS_SD0_DAT2 |
J1.75 |
SD/SDIO/MMC data 2 |
-
|
| PS_SD0_DAT3 |
J1.73 |
SD/SDIO/MMC data 3 |
-
|
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