User guide

© 2010 Ingenieurbüro Für Ic-Technologie Page 78
Protocol Stack Fundamentals
 Example: TFTP for UDP/IP
− Trivial File Transfer Protocol - TFTP
UDP Data
4 Byte CRC
2 Byte Opcode
2 Byte Block Number
X Byte Data
UDP Header
IP Header
Destination Address
6 Byte MAC ID
Start-Frame-Delimiter
Source Address
6 Byte MAC ID
7 Byte Clocksynchronisation
2 Byte Length / Typ