STR910FAZ32H6T STMICROELECTRONICS [STMicroelectronics], STR910FAZ32H6T Datasheet - Page 82

• Manufacturer Part Number: STR910FAZ32H6T
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Electrical characteristics
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Ethernet MII management timings
Figure 26. Ethernet MII management timing diagram
Table 41.
Ethernet MII transmit timings
Figure 27. Ethernet MII transmit timing diagram
Table 42.
Symbol
Symbol
MII_TX_CLK
MII_TX_EN
MII_CRS
MII_COL
MII_TXD
MDIO
output
MDIO
input
1
2
3
MDC
1
2
3
4
5
MDIO delay from rising
edge of MDC
MDIO setup time to rising
edge of MDC
MDIO hold time from rising
edge of MDC
Ethernet MII management timing table
Ethernet MII transmit timing table
MII_TX_CLK high to
MII_TX_EN valid
MII_TX_CLK high to
MII_TX_EN invalid
MII_CRS valid to
MII_TX_CLK high
MII_TX_CLK high to
MII_CRS invalid
MII_COL valid to
MII_TX_CLK high
Parameter
Parameter
1
1
7
t
T
T
c
t
T
T
T
T
VAL
su
h
(MDIO)
inval
su
h
su
Symbol
(MDIO)
(MII_CRS)
(MDIO)
(MII_CRS)
(MII_COL)
(MII_TX_EN)
3
5
(MII_TX_EN)
Symbol
2
STR91xFAx32 STR91xFAx42 STR91xFAx44
3
-2.03
2.70
Min
0.61
0.00
0.81
Min
8
Value
2
Value
Max
2.83
6
4.20
4.86
Max
4
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns