About the module Module pinout
ConnectCore for i.MX51 Hardware Reference Manual
26
Pin I/O Type Signal name Use on module
Use on
development
board
Comments
J1:16
4
GPIO18 EIM_A21/GPIO2_15 i.MX51: EIM_A21 Boot
Configuration
Switch
J1:16
5
GPIO18 EIM_A20/GPIO2_14 i.MX51: EIM_A20 Boot
Configuration
Switch
J1:16
6
GPIO18 EIM_A23/GPIO2_17 i.MX51: EIM_A23 Not used
J1:16
7
GPIO18 EIM_A22/GPIO2_16 i.MX51: EIM_A22 Not used
J1:16
8
GPIO18 EIM_A25/GPIO2_
19/USBH2_DIR/DI1_PIN4
i.MX51: EIM_A25 Not used
J1:16
9
GPIO18 EIM_A24/GPIO2_
18/USBH2_CLK
i.MX51: EIM_A24 Not used
J1:17
0
GPIO18 EIM_A27/GPIO2_
21/USBH2_
NXT/SISG1/CSI2_DATA_
EN/DI1_PIN1
i.MX51: EIM_A27 XBEE_SLEEP_
RQ
J1:17
1
GPIO18 EIM_A26/GPIO2_
20/USBH2_
STP/SISG0/CSI1_DATA_
EN/DI2_EXT_CLK
i.MX51: EIM_A26 Not used
J1:17
2
GPIO18 EIM_OE#/GPIO2_24 i.MX51: EIM_OE
ETH_CTRL: RD#
Peripheral
Application
Output Enable
J1:17
3
GPIO18 EIM_EB0 i.MX51: EIM_EB0 Not used
J1:17
4
GPIO18 EIM_RW# i.MX51: EIM_RW
ETH_CTRL: WR#
Peripheral
Application
Read / Write
J1:17
5
GPIO18 EIM_EB1 i.MX51: EIM_EB1 Not used
J1:17
6
GPIO18 EIM_CRE/GPIO3_2 i.MX51: EIM_CRE Peripheral
Application
Interrupt input