COMMELL MPX-24794S - Manual (Page 13)

MPX-24794S User’s Guide Ver 1.10
Taiwan Commate Computer Inc. 8
CN_GPIO1_8 CS0# CN_GPIO1_18 I2CmSDA (4.7 K Ohm)
CN_GPIO1_9 CS1# CN_GPIO1_19 Reserved
CN_GPIO1_10 CS2# CN_GPIO1_20 I2CmSCL (4.7 K Ohm)
Table 1 CN_GPIO1 Pin Definitions
Note:
A pull-up 4.7 K Ohm resistor is installed on I2CmSDA line and I2CmSCL line
respectively.
The following table shows the pin-out definitions of the CN_GPIO2 connector.
PIN
Description PIN Description
CN_GPIO2_1 Port_3_0 CN_GPIO2_11 Port_4_2
CN_GPIO2_2 Port_3_1 CN_GPIO2_12 Port_4_3
CN_GPIO2_3 Port_3_2 CN_GPIO2_13 Port_4_4
CN_GPIO2_4 Port_3_3 CN_GPIO2_14 Port_4_5
CN_GPIO2_5 Port_3_4 CN_GPIO2_15 Port_4_6
CN_GPIO2_6 Port_3_5 CN_GPIO2_16 Port_4_7
CN_GPIO2_7 Port_3_6 CN_GPIO2_17 N/C
CN_GPIO2_8 Port_3_7 CN_GPIO2_18 N/C
CN_GPIO2_9 Port_4_0 CN_GPIO2_19 GND
CN_GPIO2_10 Port_4_1 CN_GPIO2_20 GND
Table 2 CN_GPIO2 Pin Definitions
The following table shows the pin-out definitions of the JP1 connector.
PIN
Description
J1_1 Reserved
J1_2 Reserved
J1_3 Reserved
J1_4 Reserved
J1_5 Reserved
J1_6 Enter firmware update mode via grounding this pin
Table 3 J1 Connector pin-out definitions
The following table shows the USB portion pin-outs of the Mini-PCIe interface.
Please be noted that power pins are not showed.
Pin
Name Description