STM32H7 datasheet(204/357 Pages) STMICROELECTRONICS

부품명	STM32H7

상세설명	32-bit Arm® Cortex®-M7 480MHz MCUs, up to 2MB flash, up to 1MB RAM, 46 com. and analog interfaces

PDF	357 Pages

Scroll/Zoom	100%

제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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204 / 357 page

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

tih(RXD)

Receive data hold time

tsu(CRS) Carrier sense setup time

2.5

tih(CRS)

Carrier sense hold time

td(TXEN) Transmit enable valid delay time

4.5

td(TXD)

Transmit data valid delay time

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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