SH7764 Datasheet, PDF (795/1752 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

Section 19 Ethernet Controller (EtherC)
19.4.3 MII Frame Timing
Each MII Frame timing is shown in figure 19.4.
TX-CLK
TX-EN
MII_TXD3 to
MII_TXD0
TX-ER
CRS
COL
Preamble
SFD
Data
CRC
Figure 19.4 (1) MII Frame Transmit Timing (Normal Transmission)
TX-CLK
TX-EN
MII_TXD3 to
MII_TXD0
TX-ER
CRS
COL
Preamble
JAM
Figure 19.4 (2) MII Frame Transmit Timing (Collision)
Rev. 1.00 Nov. 22, 2007 Page 739 of 1692
REJ09B0360-0100