Datasheet

DocID024030 Rev 10 157/239
STM32F427xx STM32F429xx Electrical characteristics
198
Figure 49. Ethernet MII timing diagram
CAN (controller area network) interface
Refer to Section 6.3.17: I/O port characteristics for more details on the input/output alternate
function characteristics (CANx_TX and CANx_RX).
AIB
0,,B5;B&/.
0,,B5;'>@
0,,B5;B'9
0,,B5;B(5
W
G7;(1
W
G7;'
W
VX5;'
W
VX(5
W
VX'9
W
LK5;'
W
LK(5
W
LK'9
0,,B7;B&/.
0,,B7;B(1
0,,B7;'>@
Table 73. Dynamics characteristics: Ethernet MAC signals for MII
(1)
Symbol Parameter Condition Min Typ Max Unit
t
su(RXD)
Receive data setup time
1.71 V < V
DD
< 3.6 V
9--
ns
t
ih(RXD)
Receive data hold time 10 - -
t
su(DV)
Data valid setup time 9 - -
t
ih(DV)
Data valid hold time 8 - -
t
su(ER)
Error setup time 6 - -
t
ih(ER)
Error hold time 8 - -
t
d(TXEN)
Transmit enable valid delay time
2.7 V < V
DD
< 3.6 V 8 10 14
1.71 V < V
DD
< 3.6 V 8 10 16
t
d(TXD)
Transmit data valid delay time
2.7 V < V
DD
< 3.6 V 7.5 10 15
1.71 V < V
DD
< 3.6 V 7.5 10 17
1. Guaranteed by characterization results.
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