What is the format of Intel Hexadecimal files (.hex)? - What is the format of Intel Hexadecimal files (.hex)? Description A HEX is often downloaded from a PC to a development system and run from RAM. HEXs can also be converted to binary files and programmed into a configuration device. A sample HEX is shown below: :10008000AF5F67F0602703E0322CFA92007780C361 :1000900089001C6B7EA7CA9200FE10D2AA00477D81 :0B00A00080FA92006F3600C3A00076CB :00000001FF The format for this file is: First character (:) = Start of a record Next two characters = Record length (in this example, 10h) Next four characters = Load address (in this example, 0080h) Next two characters = Record type (see below) Remaining characters = Actual data Last two characters = Checksum (i.e., sum of all bytes checksum = 00) The last line of the file is special, and always looks like the last line shown above. HEX record types are shown below: 00 = Data record 01 = End of file record 02 = Extended segment address record 03 = Start segment address record 04 = Extended linear address record 05 = Start linear address record Custom Fields values: ['novalue'] Troubleshooting novalue False ['novalue'] ['novalue'] novalue novalue ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']