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RM0090: Reference manual - STMicroelectronics

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<strong>RM0090</strong> Ethernet (ETH): media access control (MAC) with DMA controller<br />

29.3 Ethernet pins<br />

Table 158 shows the MAC signals and the corresponding MII/RMII signal mapping. All MAC<br />

signals are mapped onto AF11, some signals are mapped onto different I/O pins, and<br />

should be configured in Alternate function mode (for more details, refer to Section 7.3.2: I/O<br />

pin multiplexer and mapping).<br />

Table 158. Alternate function mapping<br />

Port<br />

AF11<br />

ETH<br />

PA0-WKUP ETH_MII_CRS<br />

PA1 ETH_MII _RX_CLK / ETH_RMII _REF_CLK<br />

PA2 ETH _MDIO<br />

PA3 ETH _MII_COL<br />

PA7 ETH_MII _RX_DV / ETH_RMII _CRS_DV<br />

PB0 ETH _MII_RXD2<br />

PB1 ETH _MII_RXD3<br />

PB5 ETH _PPS_OUT<br />

PB8 ETH _MII_TXD3<br />

PB10 ETH_ MII_RX_ER<br />

PB11 ETH _MII_TX_EN / ETH _RMII_TX_EN<br />

PB12 ETH _MII_TXD0 / ETH _RMII_TXD0<br />

PB13 ETH _MII_TXD1 / ETH _RMII_TXD1<br />

PC1 ETH _MDC<br />

PC2 ETH _MII_TXD2<br />

PC3 ETH _MII_TX_CLK<br />

PC4 ETH_MII_RXD0 / ETH_RMII_RXD0<br />

PC5 ETH _MII_RXD1/ ETH _RMII_RXD1<br />

PE2 ETH_MII_TXD3<br />

PG8 ETH_PPS_OUT<br />

PG11 ETH _MII_TX_EN / ETH _RMII_TX_EN<br />

PG13 ETH _MII_TXD0 / ETH _RMII_TXD0<br />

PG14 ETH _MII_TXD1 / ETH _RMII_TXD1<br />

PH2 ETH _MII_CRS<br />

PH3 ETH _MII_COL<br />

PH6 ETH _MII_RXD2<br />

PH7 ETH _MII_RXD3<br />

PI10 ETH _MII_RX_ER<br />

Doc ID 018909 Rev 3 902/1416

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