r5s77631ay266bgv Renesas Electronics Corporation., r5s77631ay266bgv Datasheet - Page 1049

• Manufacturer Part Number: r5s77631ay266bgv
• Description: Renesas 32-bit Risc Microcomputer Superhtm Risc Engine Family Sh-4a Series
• Manufacturer: Renesas Electronics Corporation.

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