Datasheet

Section 31 Electrical Characteristics
Rev. 2.00 Aug. 20, 2008 Page 1155 of 1198
REJ09B0403-0200
T
co
T
ck
SFD DATA
CRC
RM_REF-CLK
RM_TXD_EN
RM_TXD1, RM_TXD0
T
co
Preamble
Figure 31.35 RMII Transmit Timing
SFD
DATA
CRC
T
su
T
hd
T
hd
T
su
Preamble
RM_REF-CLK
RM_CRS-DV
RM_RXD1, RM_RXD0
RM_RX-ER
L
Figure 31.36 RMII Receive Timing (Normal Operation)
SFD DATA XXXX
T
su
T
hd
Preamble
RM_REF-CLK
RM_CRS-DV
RM_RXD1, RM_RXD0
RM_RX-ER
Figure 31.37 RMII Receive Timing (When an Error is Detected)