SPAU023 June 2024
The DP83826 PHY uses two-level configurations based on resistor strapping which generate two distinct voltage ranges. The PHY Address strapping is provided for PHY0 to set address -000 and for the PHY1 to set address 001.
Table 2-2 shows the default values of the boot strap configurations.
Strap Setting | Pin Name | Strap Function | Value of Strap Function | Description |
---|---|---|---|---|
PHY address | LED0 | PHY_ADD0 | 0/1 |
PHY0Address:000 PHY1 Address: 001 |
CRS/LED3 | PHY_ADD1 | 0 | ||
COL/LED2 | PHY_ADD2 | 0 | ||
MAC Mode selection | RX_D2 | MAC Mode selection | 1 | RMII MAC mode |
RMII MAC Mode | TX_CLK | Controller/peripheral mode selection | 0 | RMII controller mode |
RX_D3 |
RMII_CRS_DV/ RMII_RX_DV |
0 | RMII_CRS_DV | |
Auto negotiation | RX_D1 | auto MDIX enable/disable | 0 | auto MDIX enable |
RX_D0 | auto-negotiation enable/disable | 0 | auto-negotiation enable | |
RX_DV | MDIX/MDI | 0 | MDIX | |
CLKOUT/LED1 | RX_ER |
CLKOUT 25MHz on Pin 31 LED1 on Pin 31 |
1 | LED1 on Pin 31 |
Odd Nibble Detection | CLKOUT/LED1 | Odd Nibble Detection disabled/enabled | 0 | Odd Nibble Detection disabled |