STM32F415OG datasheet(128/186 Pages) STMICROELECTRONICS

128 / 186 page

Electrical characteristics

STM32F415xx, STM32F417xx

128/186

DocID022063 Rev 4

Table 64 gives the list of Ethernet MAC signals for the SMI (station management interface)

and Figure 47 shows the corresponding timing diagram.

Figure 47. Ethernet SMI timing diagram

Table 65 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 63. Ethernet DC electrical characteristics

Symbol

Parameter

Min.(1)

1. All the voltages are measured from the local ground potential.

Max.(1)

Unit

Input level

VDD

Ethernet operating voltage

2.7

3.6

Table 64. Dynamic characteristics: Ehternet MAC signals for SMI(1)

1. Data based on characterization results, not tested in production.

Symbol

Parameter

Min

Typ

Max

Unit

tMDC

MDC cycle time( 2.38 MHz)

411

420

425

Td(MDIO)

Write data valid time

tsu(MDIO)

Read data setup time

th(MDIO)

Read data hold time

MS31384V1

ETH_MDC

ETH_MDIO(O)

ETH_MDIO(I)

tMDC

td(MDIO)

tsu(MDIO)

th(MDIO)

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)

ai15667

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