SPRUJ28E November 2021 – September 2024 AM68 , AM68A , TDA4AL-Q1 , TDA4VE-Q1 , TDA4VL-Q1
Table 4-31 shows configuration pins assignment to functions when boot mode is the MMC/SD card mode.
BOOTMODE Pins | Field | Value | Description | MCU Only=1 Value |
---|---|---|---|---|
6 (7)(1) | Port | 0 | MMC Port 0 | N/A |
1 | MMC Port 1 | |||
5 | Bus Width | 0 | 8-bit bus width for MMC/SD 0 4-bit bus width for MMC/SD 1 | N/A |
1 | 1-bit bus width | |||
4 | FS/Raw | 0 | Filesystem mode | N/A |
1 | Raw Mode |
Table 4-32 summarizes the MMC pin configuration done by ROM code for MMC/SD Card boot device on port 1.
Note that MMC Port 0 has no pin mux.
Device Pin | Module Signal | Pull Enable | Pull Direction | Driver Index | Rx En/Dis | Pinmux Sel |
---|---|---|---|---|---|---|
MMC1_DAT3(1) | MMC1_DAT3 | Enable | Up | 0 | Enable | 0 |
MMC1_DAT2(1) | MMC1_DAT2 | Enable | Up | 0 | Enable | 0 |
MMC1_DAT1(1) | MMC1_DAT1 | Enable | Up | 0 | Enable | 0 |
MMC1_DAT0 | MMC1_DAT0 | Enable | Up | 0 | Enable | 0 |
MMC1_CLKB | MMC1_CLK | Enable | Up | 0 | Enable | 0 |
MMC1_CLK | MMC1_CLK | Enable | Up | 0 | Enable | 0 |
MMC1_CMD | MMC1_CMD | Enable | Up | 0 | Enable | 0 |
MMC1_SDCD | MMC1_SDCD | Enable | Up | 0 | Enable | 0 |