SPRUJC6A December 2024 – July 2025 AM2752-Q1 , AM2754-Q1
SD Card Boot Configuration Fields shows configuration pins assignment to functions when boot mode is the SD card boot mode.
| SD Card Boot Configuration Fields | ||
|---|---|---|
| Field | Value | Description |
| Port | 0 | Port0 (8/4 Bit Width) |
| 1 | Reserved | |
| FS/Raw | 0 | Filesystem mode |
| 1 | Raw Mode | |
SD Card (MMCSD1) Pin Usage summarizes the MMCSD pin configuration done by ROM code for SD Card boot on port1 (MMCSD1). SD Card boot on Port 0 (MMCSD0) is not supported.
| Device Pin | Module Signal | Pull Enable | Pull Direction | Driver Index | Rx En/Dis | Pinmux Sel | Pad Configuration Register |
|---|---|---|---|---|---|---|---|
| MMC0_DAT7 | MMC0_DAT7 | Disable | NA | 0 | Enable | 0 | PADCONFIG126 |
| MMC0_DAT6 | MMC0_DAT6 | Disable | NA | 0 | Enable | 0 | PADCONFIG127 |
| MMC0_DAT5 | MMC0_DAT5 | Disable | NA | 0 | Enable | 0 | PADCONFIG128 |
| MMC0_DAT4 | MMC0_DAT4 | Disable | NA | 0 | Enable | 0 | PADCONFIG129 |
| MMC0_DAT3 | MMC0_DAT3 | Disable | NA | 0 | Enable | 0 | PADCONFIG130 |
| MMC0_DAT2 | MMC0_DAT2 | Disable | NA | 0 | Enable | 0 | PADCONFIG131 |
| MMC0_DAT1 | MMC0_DAT1 | Disable | NA | 0 | Enable | 0 | PADCONFIG132 |
| MMC0_DAT0 | MMC0_DAT0 | Disable | NA | 0 | Enable | 0 | PADCONFIG133 |
| MMC0_CLK | MMC0_CLK | Disable | NA | 0 | Enable | 0 | PADCONFIG134 |
| MMC0_CLKLB | MMC0_CLKLB | Disable | NA | 0 | Enable | 0 | PADCONFIG135 |
| MMC0_CMD | MMC0_CMD | Disable | NA | 0 | Enable | 0 | PADCONFIG136 |
MMC0_CLKLB signal is not pinned out on the device. The pinmux configuration enables the input buffer of the internal loopback clock.
MMC0_SDWP is not configured by ROM since the ROM never writes to the SD card.