RX64M_15 Datasheet, PDF (199/230 Pages) Renesas Technology Corp – Renesas MCUs

RX64M Group
5. Electrical Characteristics
90%
Tckr
REF50CK 50%
10%
RMII_xxxx^*1
Tr
70%
50%
30%
Change
in signal
level
Signal
Tck
Tckf
Tco
Tf
Tsu
Thd
Change in
signal level
Signal
Change
in signal
level
Note 1. RMII_TXD_EN, RMII_TXD1, RMII_TXD0, RMII_CRS_DV, RMII_RXD1, RMII_RXD0, RMII_RX_ER
Figure 5.62 Timing with the REF50CK and RMII Signals
REF50CK
RMII_TXD_EN
RMII_TXD1,
RMII_TXD0
TCK
TCO
TCO
Preamble
SFD
DATA
CRC
Figure 5.63 RMII Transmission Timing
REF50CK
RMII_CRS_DV
RMII_RXD1,
RMII_RXD0
Tsu
Tsu
Preamble
RMII_RX_ER
L
Thd
SFD
DATA
Figure 5.64 RMII Reception Timing (Normal Operation)
Thd
CRC
R01DS0173EJ0100 Rev.1.00
Jul 31, 2014
Page 199 of 230