Datasheet

Electrical characteristics STM32F20xxx
122/184 DS6329 Rev 16
Figure 48. ULPI timing diagram
Ethernet characteristics
Table 62 shows the Ethernet operating voltage.
Table 63 gives the list of Ethernet MAC signals for the SMI (station management interface)
and Figure 49 shows the corresponding timing diagram.
Table 61. ULPI timing
Symbol Parameter
Value
(1)
1. V
DD
= 2.7 V to 3.6 V and T
A
= –40 to 85 °C.
Unit
Min Max
t
SC
Control in (ULPI_DIR) setup time - 2.0
ns
Control in (ULPI_NXT) setup time - 1.5
t
HC
Control in (ULPI_DIR, ULPI_NXT) hold time 0 -
t
SD
Data in setup time - 2.0
t
HD
Data in hold time 0 -
t
DC
Control out (ULPI_STP) setup time and hold time - 9.2
t
DD
Data out available from clock rising edge - 10.7
Table 62. Ethernet DC electrical characteristics
Symbol Parameter Min
(1)
1. All the voltages are measured from the local ground potential.
Max
(1)
Unit
Input level V
DD
Ethernet operating voltage 2.7 3.6 V
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