SH7763 Datasheet, PDF (1049/2026 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

Section 23 Gigabit Ethernet Controller (GETHER)
Normal Ethernet frame
7 oct 1 oct
PR SFD
6 oct
DA
6 oct
SA
(Without Qtag)
2 oct
46 to 1500 oct
L/T
Data
4 oct
FCS
802.1Q conforming frame
7 oct 1 oct
PR SFD
6 oct
DA
6 oct
SA
(With Qtag)
4 oct
2 oct
Qtag
L/T
42 to 1500 oct
Data
4 oct
FCS
8 bit
H'81
8 bit
H'00
3 bit
1 bit
PRT
CFI
12 bit
VID
Legend:
PR:
SFD:
DA:
SA:
L/T:
FCS:
Extension code
(Fixed)
PReamble
Start Frame Delimiter
Destination Address
Source Address
Length or Type
Frame Check Sequence
Qtag setting (TSU_ADQT0/1)
PRT: Proprity
CFI: Fixed at 0
VID: V-LAN ID setting
Figure 23.16 Comparison of Normal Ethernet Frame and IEEE802.1Q Frame (with Qtag)
Rev. 1.00 Oct. 01, 2007 Page 983 of 1956
REJ09B0256-0100