E103-W03 ultra-low power serial port to Wi-Fi module
[IC]：CC3220R
[Frequency]：2.4GHz
[Power]：18dBm
[Wi-Fi]：802.11 b/g/n
[Size]：27*19mm
[Introduction]：E103-W03 is an ultra-low power serial port to Wi-Fi module, small size SMD package, PCB antenna, working in the 2.4~2.484GHz frequency band. The module can use the serial port to send and receive data, which reduces the threshold for wireless applications.
| No. | Definition | I/O | Function and usage instructions |
|---|---|---|---|
| 1、8、9、11、12、13、16、17、28、29、44 | GND | - | power ground |
| 2 | GPIO26 | IO | General IO port |
| 3 | GPIO27 | IO | General IO port |
| 4 | RST | I | Module reset pin, low level reset, low level duration is greater than or equal to 2ms. |
| 5 | SOP2 | I | Burn emulation mode selection. The SOP2 pin has a built-in 2.4K pull-down resistor; when using it, an external pull-up resistor 100R is required to pull the pin level high. Normal work is low. |
| 6 | SOP1 | I | Burn emulation mode selection. The SOP1 pin has a built-in 100K pull-down resistor; when using, an external pull-up resistor 10K is required to pull the pin level high. Normal work is high. |
| 7 | SOP0 | I | Burn emulation mode selection. The SOP0 pin has a built-in 100K pull-down resistor; when using it, an external pull-up resistor of 10K is required to pull the pin level high. Normal work is low. |
| 10 | VCC | - | Equipment power supply VDC: 2.4V~3.6V (above 300mA) |
| 14 | GPIO31 | IO | General IO port |
| 15 | GPIO0 | IO | General IO port |
| 18 | GPIO30 | IO | General IO port |
| 19 | GPIO1 | O | UART serial port output pin, support AT command |
| 20 | GPIO2 | I | UART serial port output pin, support AT command |
| 21 | GPIO3 | IO | General IO port |
| 22 | GPIO4 | IO | General IO port |
| 23 | GPIO5 | IO | General IO port |
| 24 | GPIO6 | IO | General IO port |
| 25 | GPIO7 | IO | General IO port |
| 26 | GPIO8 | O | Abnormal indicator INDICATE, abnormal output is low, normal output is high. |
| 27 | GPIO9 | O | Wi-Fi connection status indicator, connected output low, unconnected output high |
| 30 | GPIO10 | O | Network connection status indicator, connected output low,unconnected output high |
| 31 | GPIO11 | O | Smartconfig status indicator, low when entering the state, high when not entering the state |
| 32 | GPIO12 | I | Factory reset pin, active low. Stay low for 3 seconds or more at power-up. No need to reboot again. |
| 33 | GPIO13 | I | WAKEUP wakeup pin |
| 34 | GPIO14 | IO | General IO port |
| 35 | GPIO15 | IO | General IO port |
| 36 | GPIO16 | IO | General IO port |
| 37 | GPIO17 | IO | General IO port |
| 38 | GPIO22 | IO | General IO port |
| 39 | GPIO28 | IO | General IO port |
| 40 | TDI | I | JTAG emulation pin |
| 41 | TDO | O | JTAG emulation pin |
| 42 | TCK | I | JTAG emulation pin |
| 43 | TMS | IO | JTAG emulation pin |