AN3262

Bootloader command set

Doc ID 17845 Rev 2

17/27

Figure 19.

Note:

1

considered not valid and are NACKed by the device.

2

When an application is loaded into RAM and then a jump is made to it, the program must be

configured to run with an offset to avoid overlapping with the first RAM memory used by the

bootloader firmware.

3

The jump to the application works only if the user application correctly sets the vector table

to point to the application address.

Wait for ACK

or NACK

Send 0x21 + 0xDE

NACK

ACK

NACK

ACK

Start Go

End of EER

NACK

ACK

Wait for ACK

or NACK

Wait for ACK

or NACK

Ai14639b

Send the Start Address

(4 bytes) & Checksum