The following procedure can be applied in case of failure analysis.
- Perform a visual inspection on the SAM9X60D1G-I/LZB module and check the pads soldering.
- Connect the module to the USB and debug UART interfaces. See How to Configure the Communication Interface.
- Power-supply the module.1.
- Perform Power-On action.
- "RomBOOT" appears on the debug UART console.
- The USB device is mounted as a “USB Serial Device”2.
- Measure voltages on the
SAM9X60D1G-I/LZB3:
- VDD_3V3 @ 3.3V ± 2%
- VDDIOM @ 1.8V ± 2%
- VDDCORE @ 1.15V ± 2%
- Verify the SAM9X60 microcontroller version.
- Verify the 24-MHz clock input.
- Verify the 32-kHz crystal.
- Verify the DDR2 memory.
- Verify the NAND Flash memory.
- Verify the EEPROM memory.
- Verify any PIO.
- Run on Linux and perform other tests.
Notes:
- 1.Important: the system must not boot on an external memory before the module is powered up. For more details, see Embedded Software Prerequisites.
- 2.If the device is not recognized by the operating system, the system driver must be updated. See Updating the Windows Driver.
- 3.To perform PMIC voltage measurements, refer to the figure below.
