About the development board J25 pinout
ConnectCore for i.MX51 Hardware Reference Manual
99
Pin Signal Pin Signal
57 DISP2_DATA8/MII_TXD3/USBH3_
DATA0
58 DISP2_DATA9/MII_TXEN/USBH3_DATA1
59 DISP2_DATA10/MII_COL/USBH3_
DATA2
60 DISP2_DATA11/MII_RX_CLK/USBH3_
DATA3
61 DISP2_DATA12/MII_RX_DV/USBH3_
DATA4
62 DISP2_DATA13/MII_TX_CLK/USBH3_
DATA5
63 DISP2_DATA14/MII_RXD0/USBH3_
DATA6
64 DISP2_DATA15/MII_TXD0/USBH3_
DATA7
65 D12_PIN2/MII_MDC 66 D12_DISP_CLK/MII_RXD1
67 D12_PIN4/MII_CRS 68 D12_PIN3/MII_MDIO
69 IOR 70 IOG
71 IOR_BACK 72 IOG_BACK
73 IOB 74 JTAG_TRST#
75 IOB_BACK 76 JTAG_MOD#
77 JTAG_TCK 78 JTAG_DE#
79 JTAG_TMS 80 RESET_IN#
81 JTAG_TDI 82 +1.8V
83 JTAG_TDO 84 EIM_CS1/GPIO2_26
85 POR# 86 EIM_CS3/GPIO2_28
87 EIM_CS0/GPIO2_25 88 EIM_CS5_LAN9221_CS#/GPIO2_30
89 EIM_CS2/GPIO2_27 90 EIM_LBA/GPIO3_1
91 EIM_CS4/GPIO2_29 92 EIM_DA1/TRACE17
93 EIM_DTACK/GPIO2_31 94 EIM_DA3/TRACE19
95 EIM_DA0/TRACE16 96 EIM_DA5/TRACE21
97 EIM_DA2/TRACE18 98 EIM_DA7/TRACE23
99 EIM_DA4/TRACE20 100 EIM_DA9/TRACE25
101 EIM_DA6/TRACE22 102 EIM_DA11/TRACE27
103 EIM_DA8/TRACE 24 104 EIM_DA13/TRACE29
105 EIM_DA10/TRACE26 106 EIM_DA15/TRACE31
107 EIM_DA12/TRACE28 108 EIM_DA17/TRACE1
109 EIM_DA14/TRACE30 110 EIM_DA19/TRACE3