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STM32F756VG bảng dữ liệu(PDF) 168 Page - STMicroelectronics

tên linh kiện STM32F756VG
Giải thích chi tiết về linh kiện  Up to 25 communication interfaces
PDF  228 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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STM32F756VG bảng dữ liệu(HTML) 168 Page - STMicroelectronics

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Electrical characteristics
STM32F756xx
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DocID027589 Rev 4
Table 86 gives the list of Ethernet MAC signals for the RMII and Figure 56 shows the
corresponding timing diagram.
Figure 56. Ethernet RMII timing diagram
Table 85. Dynamics characteristics: Ethernet MAC signals for SMI(1)
1. Guaranteed by characterization results.
Symbol
Parameter
Min
Typ
Max
Unit
tMDC
MDC cycle time(2.38 MHz)
400
400
403
ns
Td(MDIO) Write data valid time
10
10.5
12.5
tsu(MDIO) Read data setup time
12.5
-
-
th(MDIO)
Read data hold time
0
-
-
Table 86. Dynamics characteristics: Ethernet MAC signals for RMII(1)
1. Guaranteed by characterization results.
Symbol
Parameter
Min
Typ
Max
Unit
tsu(RXD) Receive data setup time
1
-
-
ns
tih(RXD)
Receive data hold time
1.5
-
-
tsu(CRS) Carrier sense setup time
1
-
-
tih(CRS)
Carrier sense hold time
1
-
-
td(TXEN) Transmit enable valid delay time
5
6
10.5
td(TXD)
Transmit data valid delay time
5
6
12



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