Datasheet

Table Of Contents
Electrical characteristics STM32F105xx, STM32F107xx
72/104 Doc ID 15274 Rev 6
Figure 32. Ethernet RMII timing diagram
Tabl e 51 gives the list of Ethernet MAC signals for MII and Figure 32 shows the
corresponding timing diagram.
Figure 33. Ethernet MII timing diagram
Table 50. Dynamic characteristics: Ethernet MAC signals for RMII
Symbol Rating Min Typ Max Unit
t
su(RXD)
Receive data setup time 4 ns
t
ih(RXD)
Receive data hold time 2 ns
t
su(DV)
Carrier sense set-up time 4 ns
t
ih(DV)
Carrier sense hold time 2 ns
t
d(TXEN)
Transmit enable valid delay time 8 10 16 ns
t
d(TXD)
Transmit data valid delay time 7 10 16 ns
RMII_REF_CLK
RMII_TX_EN
RMII_TXD[1:0]
RMII_RXD[1:0]
RMII_CRS_DV
t
d(TXEN)
t
d(TXD)
t
su(RXD)
t
su(CRS)
t
ih(RXD)
t
ih(CRS)
ai15667
MII_RX_CLK
MII_RXD[3:0]
MII_RX_DV
MII_RX_ER
t
d(TXEN)
t
d(TXD)
t
su(RXD)
t
su(ER)
t
su(DV)
t
ih(RXD)
t
ih(ER)
t
ih(DV)
ai15668
MII_TX_CLK
MII_TX_EN
MII_TXD[3:0]