| 1、2、3 | GND | - | Ground electrode,connected to power source reference ground |
| 4 | DIO_0 | Input/output | GPIO, sensor controller (refer to IC datasheet) |
| 5 | DIO_1 | Input/output | GPIO, sensor controller (refer to IC datasheet) |
| 6 | DIO_2 | Input/output | GPIO, sensor controller (refer to IC datasheet) |
| 7 | DIO_3 | Input/output | GPIO, sensor controller (refer to IC datasheet) |
| 8 | DIO_4 | Input/output | GPIO, sensor controller (refer to IC datasheet) |
| 9 | DIO_5 | Input/output | High drive GPIO,sensor controller (refer to IC datasheet) |
| 10 | DIO_6 | Input/output | High drive GPIO,sensor controller (refer to IC datasheet) |
| 11 | DIO_7 | Input/output | High drive GPIO,sensor controller (refer to IC datasheet) |
| 12 | DIO_8 | Input/output | GPIO, (refer to IC datasheet) |
| 13 | DIO_9 | Input/output | GPIO, (refer to IC datasheet) |
| 14 | DIO_10 | Input/output | GPIO, (refer to IC datasheet) |
| 15 | DIO_11 | Input/output | GPIO, (refer to IC datasheet) |
| 16 | DIO_12 | Input/output | GPIO, (refer to IC datasheet) |
| 17 | DIO_13 | Input/output | GPIO, (refer to IC datasheet) |
| 18 | DIO_14 | Input/output | GPIO, (refer to IC datasheet) |
| 19 | DIO_15 | Input/output | GPIO, (refer to IC datasheet) |
| 20 | JTAG_TMS | Input/output | JTAG_TMSC, high drive capability (refer to IC datasheet) |
| 21 | JTAG_TCK | Input/output | JTAG_TMSC, high drive capability (refer to IC datasheet) |
| 22 | DIO_16 | Input/output | High drive GPIO, JTAG_TDO(refer to IC datasheet) |
| 23 | DIO_17 | Input/output | High drive GPIO, JTAG_TDO(refer to IC datasheet) |
| 24 | DIO_18 | Input/output | GPIO, (refer to IC datasheet) |
| 25 | DIO_19 | Input/output | GPIO, (refer to IC datasheet) |
| 26 | DIO_20 | Input/output | GPIO, (refer to IC datasheet) |
| 27 | GND | - | Ground electrode,connected to power source reference ground |
| 28 | DIO_21 | Input/output | GPIO, (refer to IC datasheet) |
| 29 | VDD | - | Power supply, 2.0V ~ 3.7V |
| 30 | DIO_22 | Input/output | GPIO, (refer to IC datasheet) |
| 31 | DIO_23 | Input/output | GPIO, sensor controller, digital analog (refer to IC datasheet) |
| 32 | nRESET | Input | Reset, low level, (referto IC datasheet) |
| 33 | DIO_24 | Input/output | GPIO, sensor controller, digital analog (refer to IC datasheet) |
| 34 | DIO_25 | Input/output | GPIO, sensor controller, digital analog (refer to IC datasheet) |
| 35 | DIO_26 | Input/output | GPIO, sensor controller, digital analog (refer to IC datasheet) |
| 36 | DIO_27 | Input/output | GPIO, sensor controller, digital analog (refer to IC datasheet) |
| 37 | DIO_28 | Input/output | GPIO, sensor controller, digital analog (refer to IC datasheet) |
| 38 | DIO_29 | Input/output | GPIO, sensor controller, digital analog (refer to IC datasheet) |
| 39 | DIO_30 | Input/output | GPIO, sensor controller, digital analog (refer to IC datasheet) |
| 40、41、42 | GND | - | Ground electrode,connected to power source reference ground |