3.11 Ethernet

The PIC32-BZ6 Curiosity Board has a modular Ethernet PHY system using RMII headers that enables different PHYs to be plugged into the board. This interface is setup to use a RMII. The following table describes the Ethernet PHY header configuration.
Table 3-12. Ethernet PHY Daughter Board Header Pin Description J908 and J909
PinPin on RMII HeaderPin Description of Ethernet PHY Daughter Board HeaderPin on PIC32WM-BZ6204UE Module
J908-1TX_ENEthernet Transmit EnableGMAC_GTXEN/RPC9
J908-2TXDOEthernet Transmit Data 0GMAC_GTX0/RPC0
J908-3TXD1Ethernet Transmit Data 1GMAC_GTX1/RPE1
J908-4NCNot connectedNC
J908-5NCNot connectedNC
J908-6GNDGroundGND
J908-7XTALIClock outputNC
J908-8CLK_INClock inputGMAC_GREFCLKOUT/RPC1
J908-9GNDGroundGND
J908-10+3V3Input power supplyVDD
J908-11NCNot connectedNC
J908-12NCNot connectedNC
J909-13WAKEWakeCVD5/RMII_WAKE/DRP_CTRL/GFX_LCDD1/RPB1 (not connected by default, mount R724 to connect)
J909-14NCNot connectedNC
J909-15RXD1Ethernet Receive Data 1GMAC_GRX1/RPA13
J909-16RXD0Ethernet Receive Data 0GMAC_GRX0/RPA14
J909-17RX_EREthernet Receive ErrorGMAC_GRXER/RPC8
J909-18CRS_DVEthernet Rx Data Valid InputGMAX_GCRS_DV/GFX_GPIO1/RPE2
J909-19MDCEthernet Management Data Clock OutputGMAC_GMDC/GFX_GPIO2/RPD7
J909-20MDIOEthernet Management Data Input OutputGMAC_GMDIO/GFX_LCD_GPIO5/RPD6
J909-21INTInterrupt outputRED_LED/RMII_INT/GFX_PWM2/RPC7 (not connected by default, mount R726 to connect)
J909-22RSTSystem ResetRMII_RST/LBO/RPD0
J909-23ENEnableRMII_EN/MIKRO2_PWM/GFX_IRQ3/RPC11 (not connected by default, mount R722 to connect)
J909-24NCNot connectedNC
Note:
  1. Pin PE2, PD7 and PD6 are shared between Ethernet RMII and graphic connector.