H8S2472 Datasheet, PDF (864/1250 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcomputer H8S Family / H8S/2400 Series

Section 21 Ethernet Controller Direct Memory Access Controller (E-DMAC)
Transmit descriptor
31 30 29 28 27 26
TTTTT
TD0 ^{A D F F F}
CL PPE
TE1 0
31
TD1
TDL
31
TD2
0
TFS26 to TFS0
16 15
0
Fixed at H'0000
0
TBA
Padding (4 bytes)
Transmit buffer
Valid transmit data
Figure 21.2 Relationship between Transmit Descriptor and Transmit Buffer
Rev. 2.00 Aug. 20, 2008 Page 816 of 1198
REJ09B0403-0200