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STM32F756VG датащи(PDF) 167 Page - STMicroelectronics

номер детали STM32F756VG
подробное описание детали  Up to 25 communication interfaces
PDF  228 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
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STM32F756VG датащи(HTML) 167 Page - STMicroelectronics

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STM32F756xx
Electrical characteristics
196
Ethernet characteristics
Unless otherwise specified, the parameters given in Table 85, Table 86 and Table 87 for
SMI, RMII and MII are derived from tests performed under the ambient temperature, fHCLK
frequency summarized in Table 17 and VDD supply voltage conditions summarized in
Table 85, 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 5.3.17: I/O port characteristics for more details on the input/output
characteristics.
Table 85 gives the list of Ethernet MAC signals for the SMI (station management interface)
and Figure 55 shows the corresponding timing diagram.
Figure 55. Ethernet SMI timing diagram
Table 84. Dynamic characteristics: USB ULPI(1)
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
tSC
Control in (ULPI_DIR, ULPI_NXT) setup time
-
3
-
-
ns
tHC
Control in (ULPI_DIR, ULPI_NXT) hold time
-
1
-
-
tSD
Data in setup time
-
1.5
-
-
tHD
Data in hold time
-
0.5
-
-
tDC/tDD Data/control output delay
2.7 V < VDD < 3.6 V,
CL = 20 pF and
OSPEEDRy[1:0] = 11
-5.5
9
--
5.5
11.5
1.7 V < VDD < 3.6 V,
CL = 15 pF and
OSPEEDRy[1:0] = 11
-
1. Guaranteed by characterization results.



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