SPRUJ12F August 2021 – January 2024 AM2431 , AM2432 , AM2434
BOOTMODE[9:3] for the AM243x are selected by a DIP switch (SW4) or the test automation header. The remaining BOOTMODE[2:0] and BOOTMODE[12:10] are selected through the use of resistors. The test automation header uses an I2C IO expansion buffer to drive the bootmode when PORz is toggled. For more details about the test automation header, see Section 4.16. The supported boot modes are as follows:
Boot Modes Supported | SW4.1 | SW4.2 | SW4.3 | SW4.4 | SW4.5 | SW4.6 | SW4.7 |
---|---|---|---|---|---|---|---|
QSPI Flash | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
MMC1/SD Card | 0 | 0 | 0 | 1 | 0 | 0 | 1 |
UART | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
USB -DFU | 0 | 1 | 0 | 1 | 0 | 0 | 0 |
No Boot | 1 | 1 | 1 | 1 | 0 | 0 | 0 |