SREC FILE EXTENSION

The Motorola S-record format is an ASCII text encoding for binary data. It is also known as the SREC or S19 format. An S-record file consists of a sequence of specially formatted ASCII character strings.An SREC format file consists of a series of ASCII records. All hexadecimal (hex) numbers are Big Endian.The records have the following structure:Start code, one character, an S.Record type, one digit, 0 to 9, defining the type of the data field. Byte count, two hex digits, indicating the number of bytes (hex digit pairs) that follow in the rest of the record (in the address, data and checksum fields). Address, four, six, or eight hex digits as determined by the record type for the memory location of the first data byte. Data, a sequence of 2n hex digits, for n bytes of the data. Checksum, two hex digits - the least significant byte of ones' complement of the sum of the values represented by the two hex digit pairs for the byte count, address and data fields.There are eight record typesS0,S1,S2,S3,S5,S7,S8,S9.