ONDA SOM/ONDA Hardware/Peripherals/eMMC
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Contents
Peripheral eMMC[edit | edit source]
The second SD/SDIO controller is used for interfacing the on-board eMMC and can operate at the maximum clock rate in Standard mode (25 MHz), High-speed SDR mode (50 MHz), High-Speed DDR mode (50 MHz), HS200 mode (200 MHz). The SD/SDIO controller supports MMC4.51.
The following table describes the external ONDA interface signals for the eMMC interface (MIO bank 500, pins PS_MIO[13:21]):
| Pin name | Conn. pin | Function | Notes |
|---|---|---|---|
| PS_MIO13_500 | - | eMMC D0 | - |
| PS_MIO14_500 | - | eMMC D1 | - |
| PS_MIO15_500 | - | eMMC D2 | - |
| PS_MIO16_500 | - | eMMC D3 | - |
| PS_MIO17_500 | - | eMMC D4 | - |
| PS_MIO18_500 | - | eMMC D5 | - |
| PS_MIO19_500 | - | eMMC D6 | - |
| PS_MIO20_500 | - | eMMC D7 | - |
| PS_MIO21_500 | - | eMMC CMD | - |
| PS_MIO22_500 | - | eMMC CLK | - |
