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7618C–AVR–07/08

4.7.1

First Request from Host

The Host sends a DFU Download request with a Display command in the data field.

4.7.2

Second Request from Host

The Host sends a DFU Upload request.

4.7.3

Answers from the Device

The device sends to the Host the firmware from the specified start address to the specified end

address.

Command Identifier

data[0]

data[1]

data[2]

data[3]

data[4]

Description

Id_display_data

03h

00h

start_address

end_address

Display FLASH Data

01h

Blank Check in FLASH

02h

Display EEPROM Data

OUT

Display_Data (6 bytes)

SETUP

DFU_DNLOAD

IN

ZLP

IN

Firmware Packet 1

IN

Firmware Packet 2

IN

Firmware Packet n

OUT

ZLP

SETUP

DFU_UPLOAD