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STM32F427AI Folha de dados(PDF) 155 Page - STMicroelectronics

Nome de Peças STM32F427AI
Descrição Electrónicos  ARM Cortex-M4 32b MCUFPU, 225DMIPS, up to 2MB Flash/2564KB RAM, USB OTG HS/FS, Ethernet, 17 TIMs, 3 ADCs, 20 comm. interfaces, camera & LCD-TFT
PDF  239 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32F427AI Folha de dados(HTML) 155 Page - STMicroelectronics

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STM32F427xx STM32F429xx
Electrical characteristics
197
Table 72 gives the list of Ethernet MAC signals for the RMII and Figure 48 shows the
corresponding timing diagram.
Figure 48. Ethernet RMII timing diagram
Table 73 gives the list of Ethernet MAC signals for MII and Figure 48 shows the
corresponding timing diagram.
Table 72. Dynamics characteristics: Ethernet MAC signals for RMII(1)
Symbol
Parameter
Condition
Min
Typ
Max
Unit
tsu(RXD) Receive data setup time
1.71 V < VDD < 3.6 V
1.5
-
-
ns
tih(RXD)
Receive data hold time
0
-
-
tsu(CRS) Carrier sense setup time
1
-
-
tih(CRS)
Carrier sense hold time
1
-
-
td(TXEN)
Transmit enable valid delay
time
2.7 V < VDD < 3.6 V
8
10.5
12
1.71 V < VDD < 3.6 V
8
10.5
14
td(TXD)
Transmit data valid delay time
2.7 V < VDD < 3.6 V
8
11
12.5
1.71 V < VDD < 3.6 V
8
11
14.5
1. Guaranteed by characterization results.



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