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CD00237391 bảng dữ liệu(PDF) 114 Page - STMicroelectronics

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Electrical characteristics
STM32F20xxx
114/177
Doc ID 15818 Rev 9
Table 63 gives the list of Ethernet MAC signals for MII and Figure 47 shows the
corresponding timing diagram.
Figure 48.
Ethernet MII timing diagram
CAN (controller area network) interface
Refer to Section 5.3.16: I/O port characteristics for more details on the input/output alternate
function characteristics (CANTX and CANRX).
Table 63.
Dynamics characteristics: Ethernet MAC signals for MII
Symbol
Rating
Min
Typ
Max
Unit
tsu(RXD)
Receive data setup time
7.5
-
-
ns
tih(RXD)
Receive data hold time
1
-
-
ns
tsu(DV)
Data valid setup time
4
-
-
ns
tih(DV)
Data valid hold time
0
-
-
ns
tsu(ER)
Error setup time
3.5
-
-
ns
tih(ER)
Error hold time
0
-
-
ns
td(TXEN)
Transmit enable valid delay time
-
11
14
ns
td(TXD)
Transmit data valid delay time
-
11
14
ns
MII_RX_CLK
MII_RXD[3:0]
MII_RX_DV
MII_RX_ER
td(TXEN)
td(TXD)
tsu(RXD)
tsu(ER)
tsu(DV)
tih(RXD)
tih(ER)
tih(DV)
ai15668
MII_TX_CLK
MII_TX_EN
MII_TXD[3:0]



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