Datasheet

I2C Bootloader
Document Number: 001-13258 Rev. *J Page 32 of 39
Bootloader I
2
C Download (.dld file) Format
This section briefly discusses the format of the file <project_name>.dld:
Two sample download records are shown in the following figures – the first, third, and the last. These
records consist of actual data that would be transmitted between the I
2
C master and a slave to be
bootloaded. The format of the records is described in this section.
Figure 7. Sample Record
Figure 8 shows the format of the first record:
Figure 8. First Download Record
Every line begins with a control byte. The two control bytes used by the download protocol are:
 70 – Slave address 38 write. The address is not considered part of the byte count.
 71 – Slave address 38 read. The expected response to a slave address read is 0x20, success. Other
possible responses are listed in Table 5: