5550 - For the Dual Boot Option, Can the customer use SPI memory space before 0x10000 address since the golden pattern is being stored on the SPI Flash at 0x10000 starting address?

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• 1663 - MachXO2: How can I force to boot from the “golden boot” image in the external SPI Flash when using the dual boot feature?

  The MachXO2 has a dual boot feature that works in an automatic mode. If the image loaded from the internal flash is found to have an issue (CRC error), or if the internal flash is erased, then the part will automatically try to load the golden image ...

• 1834 - MachXO2: When using the device in Dual-Boot configuration mode, what address should the 'Golden' bitstream image (.bit file) be stored in the external Slave-SPI device?

  The 'Golden' bitstream image must be located starting at SPI address 0x010000. If using Lattice ispVM System 18.0 or later, the starting address for the bitstream is entered in the "Starting Address" box of the 'SPI Serial Flash Device' dialog box. ...

• 681 - LatticeECP2: How to setup LatticeECP2 dual boot application to load the golden bitstream instead of primary bitstream?

  Description: A dual boot application using the LatticeECP2 device has both a golden bitstream act as the golden image, and a primary bitstream act as user image which is periodically updated in SPI Flash. In a typical dual boot configuration ...

• 1423 - Can I access the on-chip Flash memory use the Master SPI Mode(MSPI) for MACHXO2 device?

  You can not use the Master SPI Mode(MSPI) to access the on-chip Flash memory. This mode is exclusively for SRAM memory configuration. You can use the MSPI port for programming the external SPI Flash device through JTAG mode. This provides a single ...

• 2155 - MachXO2/MachXO3: How can you determine if the MachXO2 has booted from the internal flash or SPI flash using dual boot?

  Solution: You can read the Flash and SRAM Status Register using ispVM or Diamond Programmer. Here are the steps to follow: 1)) Device powers up check the DONE SRAM Status Register (1=Device booted successfully, 0=Device did not boot successfully) 2) ...