STM32F769AI datasheet(192/255 Pages) STMICROELECTRONICS

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Electrical characteristics

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Figure 56. ULPI timing diagram

Ethernet characteristics

Unless otherwise specified, the parameters given in Table 96, Table 97 and Table 98 for

SMI, RMII and MII are derived from tests performed under the ambient temperature, fHCLK

frequency summarized in Table 17, with the following configuration:

•

Output speed is set to OSPEEDRy[1:0] = 10

•

Capacitive load C = 20 pF

•

Measurement points are done at CMOS levels: 0.5VDD.

Refer to Section 5.3.20: I/O port characteristics for more details on the input/output

characteristics.

Table 96 gives the list of Ethernet MAC signals for the SMI (station management interface)

and Figure 57 shows the corresponding timing diagram.

Table 95. Dynamic characteristics: USB ULPI(1)

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

tSC

Control in (ULPI_DIR, ULPI_NXT) setup time

tHC

Control in (ULPI_DIR, ULPI_NXT) hold time

1.5

tSD

Data in setup time

tHD

Data in hold time

tDC/tDD Data/control output delay

2.7 V < VDD < 3.6 V,

CL = 20 pF

6.5

1.7 V < VDD < 3.6 V,

CL = 15 pF

1. Guaranteed by characterization results.

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