Diamond: How to get the the 32-bit checksum of bitstream file?

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• 7040 - Programmer version 3.12: Why is the checksum value different between bitstream generated with Diamond 3.12 and 3.10.

  Starting from Diamond version 3.12, bitstream checksum value is changed from 4 bytes to 2 bytes checksum output when perform operation “SPI Flash Calculate File Size Checksum” in programmer.

• Lattice Diamond Programmer: Why the hex file checksum differs with the checksum displayed in Diamond Programmer GUI? 

  The checksum in the hex file is the "Data checksum". Example: 00 e1 FFFFFFFFFFFFFFFF <- Line #3 FFFFFFFF4E114E11 4E114E11FC009CC7 009CC7009CC7009C C7009CC7009CC700 9CC7009CC7009CC7 009CC70000000400 4770000000C000FF 814770000000C000 FF81476F000000E0 ...

• Diamond Deployment Tool: How to convert .jed file to .bit?

  To convert .jed file into a .bit file, you can use our Deployment Tool that is included in the installation of Diamond Software. 1. Open Deployment Tool 2. Function Type: File Conversion, Output File Type: Bitstream 3. Select the .jed file 4. Select ...

• 3514 - Diamond: Why is there a difference in the bitstream file size with a small logic modification in LatticeECP3?

  The bitstream file size increases even with a small modification. The bitstream comprises both fuse data frames (SRAM configuration bits) and EBR initialization information. Fuse data frame size is fixed for the given device irrespective of how huge ...

• ECP5 / Diamond 3.14: Why does my design get a Map device oversize error related to PLL for LFE5U-12F in with Diamond 3.14, but completes map successfully in earlier releases of Diamond software?

  In Diamond version 3.14, there is a bug where it incorrectly limits the number of PLLs in the device to 0 for LFE5U-12F. Example error message: ERROR - (device oversize error). The number of PLL components needed (1) exceeds the number available. ...