W90P710CD Datasheet, PDF (520/552 Pages) Winbond – 32-BIT ARM7TDMI-BASED MCU

W90P710CD/W90P710CDG
7.3.4 EMC RMII AC Characteristics
The signal timing characteristics conforms to the guidelines specified in IEEE Std. 802.3.
PHY_REFCLK
PHY_TXEN
PHY_TXD[1:0]
PHY_RXERR
PHY_RXD[1:0]
PHY_CRSDV
T_FREQ
T_TXO
T_TXH
T_DUTY
valid data
T_RXS
T_RXH
valid data
SYMBOL
DESCRIPTION
TFREQ
RMII reference clock frequency
TDUTY
RMII clock duty
TTXO
Transmit data output delay
TTXH
Transmit data hold time
TRXS
Receive data setup time
TRXH
Receive data hold time
MIN
35%
5
2
4
2
TYP
50
50%
-
-
-
-
MAX
UNIT
MHz
65% ns
15
ns
-
ns
-
ns
-
ns
Publication Release Date: September 19, 2006
- 521 -
Revision B2