SPRUJC6A December 2024 – July 2025 AM2752-Q1 , AM2754-Q1
The primary boot mode is the first mode attempted after reset. Primary Boot Mode Selection lists all possible primary boot modes. All pins marked as reserved can be either 0 or 1. All boot mode signals must be pulled low or high through a pull resistor on the board, they must not be left floating
| Primary Boot Mode Config | Primary Boot Mode | ||||||
|---|---|---|---|---|---|---|---|
| B9 | B8 | B7 | B6 | B5 | B4 | B3 | |
| Reserved | Read Mode 2 | Read Mode 1 | 0 | 0 | 0 | 0 | Serial NAND |
| Reserved | Reserved | Csel | 0 | 0 | 0 | 1 | OSPI |
| Reserved | Reserved | Csel | 0 | 0 | 1 | 0 | QSPI |
| Reserved | Mode | Csel | 0 | 0 | 1 | 1 | SPI |
| 0 | 0 | Link stat | 0 | 1 | 0 | 0 | Ethernet RGMII |
| Clkout | Clk src | 0 | 0 | 1 | 0 | 1 | Ethernet RMII |
| Reserved | Reserved | Reserved | 0 | 1 | 1 | 1 | UART |
| 0 | Reserved | Fs/raw | 1 | 0 | 0 | 0 | MMCSD Boot |
| Reserved | Reserved | Reserved | 1 | 0 | 0 | 1 | eMMC Boot |
| Core Volt | Mode | Lane Swap | 1 | 0 | 1 | 0 | USB |
| Reserved | Reserved | Reserved | 1 | 0 | 1 | 1 | Reserved |
| Reserved | Reserved | Reserved | 1 | 1 | 0 | 0 | Reserved |
| Reserved | Reserved | Reserved | 1 | 1 | 0 | 1 | Fast-xSPI |
| SFPD | Read Cmd | Mode | 1 | 1 | 1 | 0 | xSPI |
| Reserved | ARM/Thumb | No/Dev | 1 | 1 | 1 | 1 | No-boot/Dev boot |