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STM32H7 bảng dữ liệu(PDF) 204 Page - STMicroelectronics

tên linh kiện STM32H7
Giải thích chi tiết về linh kiện  32-bit Arm® Cortex®-M7 480MHz MCUs, up to 2MB flash, up to 1MB RAM, 46 com. and analog interfaces
PDF  357 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
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STM32H7 bảng dữ liệu(HTML) 204 Page - STMicroelectronics

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Electrical characteristics (rev Y)
STM32H742xI/G STM32H743xI/G
204/357
DS12110 Rev 10
Figure 61. Ethernet SMI timing diagram
Table 115 gives the list of Ethernet MAC signals for the RMII and Figure 62 shows the
corresponding timing diagram.
Figure 62. Ethernet RMII timing diagram
Table 116 gives the list of Ethernet MAC signals for MII and Figure 63 shows the
corresponding timing diagram.
Table 115. 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
2
-
-
ns
tih(RXD)
Receive data hold time
3
-
-
tsu(CRS) Carrier sense setup time
2.5
-
-
tih(CRS)
Carrier sense hold time
2
-
-
td(TXEN) Transmit enable valid delay time
4
4.5
7
td(TXD)
Transmit data valid delay time
7
7.5
11.5
MS31384V1
ETH_MDC
ETH_MDIO(O)
ETH_MDIO(I)
tMDC
td(MDIO)
tsu(MDIO)
th(MDIO)
ai15667b
RMII_REF_CLK
RMII_TX_EN
RMII_TXD[1:0]
RMII_RXD[1:0]
RMII_CRS_DV
td(TXEN)
td(TXD)
tsu(RXD)
tsu(CRS)
tih(RXD)
tih(CRS)



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