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STM32F427AI Datasheet(PDF) 157 Page - STMicroelectronics

Part # STM32F427AI
Description  32b Arm® Cortex®-M4 MCUFPU, 225DMIPS, up to 2MB Flash/2564KB RAM, USB OTG HS/FS, Ethernet, 17 TIMs, 3 ADCs, 20 com. interfaces, camera & LCD-TFT
PDF  240 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32F427AI Datasheet(HTML) 157 Page - STMicroelectronics

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DS9405 Rev 12
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STM32F427xx STM32F429xx
Electrical characteristics
197
Figure 49. Ethernet MII timing diagram
CAN (controller area network) interface
Refer to Section 6.3.17: I/O port characteristics for more details on the input/output alternate
function characteristics (CANx_TX and CANx_RX).
ai15668b
MII_RX_CLK
MII_RXD[3:0]
MII_RX_DV
MII_RX_ER
td(TXEN)
td(TXD)
tsu(RXD)
tsu(ER)
tsu(DV)
tih(RXD)
tih(ER)
tih(DV)
MII_TX_CLK
MII_TX_EN
MII_TXD[3:0]
Table 74. Dynamics characteristics: Ethernet MAC signals for MII(1)
Symbol
Parameter
Condition
Min
Typ
Max
Unit
tsu(RXD) Receive data setup time
1.71 V < VDD < 3.6 V
9-
-
ns
tih(RXD)
Receive data hold time
10
-
-
tsu(DV)
Data valid setup time
9
-
-
tih(DV)
Data valid hold time
8
-
-
tsu(ER)
Error setup time
6
-
-
tih(ER)
Error hold time
8
-
-
td(TXEN) Transmit enable valid delay time
2.7 V < VDD < 3.6 V
8
10
14
1.71 V < VDD < 3.6 V
8
10
16
td(TXD)
Transmit data valid delay time
2.7 V < VDD < 3.6 V
7.5
10
15
1.71 V < VDD < 3.6 V
7.5
10
17
1. Evaluated by characterization.



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