SPRUJB3 March 2024 AM67 , AM67A , TDA4AEN-Q1 , TDA4VEN-Q1
The primary boot mode is the first mode attempted after reset. Table 5-4 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 Info | 0 | 1 | 0 | 0 | Ethernet RGMII |
Clkout | Clk src | 0 | 0 | 1 | 0 | 1 | Ethernet RMII |
Bus reset | Reserved | Addr | 0 | 1 | 1 | 0 | I2C |
Reserved | Reserved | Reserved | 0 | 1 | 1 | 1 | UART |
1 | Reserved | Fs/raw | 1 | 0 | 0 | 0 | MMCSD Boot (SD Card Boot or eMMC Boot using UDA) |
Reserved | Reserved | Reserved | 1 | 0 | 0 | 1 | eMMC Boot |
0 | Mode | Lane Swap | 1 | 0 | 1 | 0 | USB |
Reserved | Reserved | Reserved | 1 | 0 | 1 | 1 | GPMC NAND |
Reserved | Reserved | Reserved | 1 | 1 | 0 | 0 | GPMC NOR |
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 |