SPRUJ17I March 2022 – August 2025 AM2631 , AM2631-Q1 , AM2632 , AM2632-Q1 , AM2634 , AM2634-Q1
To facilitate transmission and reception of serial management frames, the host has to perform the following operations:
| Address Offset | Register Mnemonic | Register Name | Register Purpose |
|---|---|---|---|
| 00h | MDIOVer | MDIO_MDIO_VERSION_REG | Module version register |
| 04h | MDIOControl | MDIO_CONTROL_REG | Module control register |
| 08h | MDIOAlive | MDIO_ALIVE_REG | Ethernet PHY acknowledge status register |
| 0Ch | MDIOLink | MDIO_LINK_REG | Ethernet PHY link status register |
| 10h | MDIOLinkIntRaw | MDIO_LINK_INT_RAW_REG | Link status change interrupt register (raw value) |
| 14h | MDIOLinkIntMasked | MDIO_LINK_INT_MASKED_REG | Link status change interrupt register (masked value) |
| 18h | MDIOLinkIntMaskSet | MDIO_LINK_INT_MASK_SET_REG | Link status change interrupt mask set register |
| 1Ch | MDIOLinkIntMaskClr | MDIO_LINK_INT_MASK_CLEAR_REG | Link status change interrupt mask clear register |
| 20h | MDIOUserIntRaw | MDIO_USER_INT_RAW_REG | User command complete interrupt register (raw value) |
| 24h | MDIOUserIntMasked | MDIO_USER_INT_MASKED_REG | User command complete interrupt register (masked value) |
| 28h | MDIOUserIntMaskSet | MDIO_USER_INT_MASK_SET_REG | User interrupt mask set register |
| 2Ch | MDIOUserIntMaskClr | MDIO_USER_INT_MASK_CLEAR_REG | User interrupt mask clear register |
| 30h | MDIOManual_IF | MDIO_MANUAL_IF_REG | Manual interface register |
| 34h | MDIOPoll_IPG | MDIO_POLL_REG | Poll and IPG register |
| 38h | MDIOPoll_En | MDIO_POLL_EN_REG | Poll Enable register |
| 3Ch | MDIOClause | MDIO_CLAUS45_REG | Clause 22 or 45 enable register |
| 40h | MDIOUser_Addr0 | MDIO_USER_ADDR0_REG | User Address register 0 |
| 44h | MDIOUser_Addr1 | MDIO_USER_ADDR1_REG | User Address register 1 |
| 48h – 7Ch | Reserved | - | Reserved |
| 80h | MDIOUserAccess0 | MDIO_USER_ACCESS_REG_0 | User access register 0 |
| 84h | MDIOUserPhySel0 | MDIO_USER_PHY_SEL_REG_0 | User PHY select register 0 |
| 88h | MDIOUserAccess1 | MDIO_USER_ACCESS_REG_1 | User access register 1 |
| 8Ch | MDIOUserPhySel1 | MDIO_USER_PHY_SEL_REG_1 | User PHY select register 1 |
| 90h – FFh | Reserved | - | Reserved |