STM32F769AI datasheet(194/255 Pages) STMICROELECTRONICS

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Electrical characteristics

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DocID029041 Rev 4

Table 98 gives the list of Ethernet MAC signals for MII and Figure 58 shows the

corresponding timing diagram.

Figure 59. Ethernet MII timing diagram

Table 97. Dynamics characteristics: Ethernet MAC signals for RMII(1)

1. Guaranteed by characterization results.

Symbol

Parameter

Min

Typ

Max

Unit

tsu(RXD) Receive data setup time

tih(RXD)

Receive data hold time

tsu(CRS) Carrier sense setup time

tih(CRS)

Carrier sense hold time

td(TXEN) Transmit enable valid delay time

7.5

td(TXD)

Transmit data valid delay time

7.5

12.5

Table 98. Dynamics characteristics: Ethernet MAC signals for MII(1)

Symbol

Parameter

Min

Typ

Max

Unit

tsu(RXD) Receive data setup time

tih(RXD)

Receive data hold time

2.5

tsu(DV)

Data valid setup time

1.5

tih(DV)

Data valid hold time

0.5

tsu(ER)

Error setup time

2.5

tih(ER)

Error hold time

0.5

td(TXEN) Transmit enable valid delay time

td(TXD)

Transmit data valid delay time

7.5

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