SPRUJ52E June 2022 – September 2025 AM69 , AM69A , TDA4AH-Q1 , TDA4AP-Q1 , TDA4APE-Q1 , TDA4VH-Q1 , TDA4VP-Q1 , TDA4VPE-Q1
Table 4-41 shows configuration pins assignment to functions when boot mode is the Ethernet RGMII mode.
| BOOTMODE Pins | Field | Value | Description | MCU Only=1 Value |
|---|---|---|---|---|
| 6 | Rsvd | 0 | Forced to 0 only. | 0 |
| 5 | Delay | 0 | RGMII with internal Tx delay | 0 |
| 1 | RGMII with external Tx delay | |||
| 4 | Link stat | 0 | MDIO PHY scan used for speed/duplex setup | 0 |
| 1 | RGMII status register used for speed/duplex setup |
Table 4-42 shows configuration pins assignment to functions when boot mode is the Ethernet RMII mode.
| BOOTMODE Pins | Field | Value | Description | MCU Only=1 Value |
|---|---|---|---|---|
| 6 | Clk out | 0 | 50 MHz clock not generated on MCU_CLKOUT0 | 0 |
| 1 | 50 MHz clock generated on MCU_CLKOUT0 | |||
| 5 | Clk src | 0 | External clock source | 0 |
| 1 | Internal clock source | |||
| 4 | Reserved | X | Not used | N/A |
Table 4-43 shows configuration pins assignment to functions when boot mode is the Ethernet is the backup mode.
| BOOTMODE Pins | Field | Value | Description | MCU Only=1 Value |
|---|---|---|---|---|
| 7(1) | Interface | 0 | RGMII with internal Tx delay | N/A |
| 1 | RMII with external clock source |
Table 4-44 summarizes the RGMII pin configuration done by ROM code for Ethernet boot device on RGMII port.
| Device Pin | Module Signal | Pull Enable | Pull Direction | Driver Index | Rx En/Dis | Pinmux Sel |
|---|---|---|---|---|---|---|
| MCU_RGMII1_TX_CTL | MCU_RGMII1_TX_CTL | Disable | Down | 0 | Disable | 0 |
| MCU_RGMII1_RX_CTL | MCU_RGMII1_RX_CTL | Disable | Down | 0 | Enable | 0 |
| MCU_RGMII1_TD3 | MCU_RGMII_TD3 | Disable | Down | 0 | Disable | 0 |
| MCU_RGMII1_TD2 | MCU_RGMII_TD2 | Disable | Down | 0 | Disable | 0 |
| MCU_RGMII1_TD1 | MCU_RGMII_TD1 | Disable | Down | 0 | Disable | 0 |
| MCU_RGMII1_TD0 | MCU_RGMII_TD0 | Disable | Down | 0 | Disable | 0 |
| MCU_RGMII1_TXC | MCU_RGMII1_TXC | Disable | Down | 0 | Disable | 0 |
| MCU_RGMII1_RXC | MCU_RGMII1_RXC | Disable | Down | 0 | Enable | 0 |
| MCU_RGMII1_RD3 | MCU_RGMII1_RD3 | Disable | Down | 0 | Enable | 0 |
| MCU_RGMII1_RD2 | MCU_RGMII1_RD2 | Disable | Down | 0 | Enable | 0 |
| MCU_RGMII1_RD1 | MCU_RGMII1_RD1 | Disable | Down | 0 | Enable | 0 |
| MCU_RGMII1_RD0 | MCU_RGMII1_RD0 | Disable | Down | 0 | Enable | 0 |
| MCU_MDIO0_MDIO(1) | MCU_MDIO0_MDIO | Disable | Up | 0 | Enable | 0 |
| MCU_MDIO0_MDC(1) | MCU_MDIO0_MDC | Disable | Up | 0 | Disable | 0 |
Table 4-45 summarizes the RMII pin configuration done by ROM code for Ethernet boot device on RMII port.
| Device Pin | Module Signal | Pull Enable | Pull Direction | Driver Index | Rx En/Dis | Pinmux Sel |
|---|---|---|---|---|---|---|
| MCU_RGMII1_TX_CTL | MCU_RMII1_CRS_DV | Disable | Down | 0 | Enable | 1 |
| MCU_RGMII1_RX_CTL | MCU_RMII1_RX_ER | Disable | Down | 0 | Enable | 1 |
| MCU_RGMII1_TD1 | MCU_RMII1_TXD1 | Disable | Down | 0 | Disable | 1 |
| MCU_RGMII1_TD0 | MCU_RMII1_TXD0 | Disable | Down | 0 | Disable | 1 |
| MCU_RGMII1_TXC | MCU_RMII1_TX_EN | Disable | Down | 0 | Disable | 1 |
| MCU_RGMII1_RXC | MCU_RMII1_REF_CLK | Disable | Down | 0 | Enable | 1 |
| MCU_RGMII1_RD1 | MCU_RMII1_RXD1 | Disable | Down | 0 | Enable | 1 |
| MCU_RGMII1_RD0 | MCU_RMII1_RXD0 | Disable | Down | 0 | Enable | 1 |
| MCU_MDIO0_MDIO | MCU_MDIO0_MDIO | Disable | Up | 0 | Enable | 0 |
| MCU_MDIO0_MDC | MCU_MDIO_MDC | Disable | Up | 0 | Disable | 0 |