2 Pin Configuration
| Name | 16-Pin VQFN | 14-Pin SSOP | Type | Comments | If Unused |
|---|---|---|---|---|---|
| EASY TUNE | 3 | 4 | I | Enable/Disable Easy Tune feature | Connect to VDD |
| BUTTON0 | 5 | 6 | I | Sensor electrode for Button 0 | May not be left open |
| BUTTON1 | 6 | 7 | I | Sensor electrode for Button 1 | Connect to VDD |
| BUTTON2 | 7 | 8 | I | Sensor electrode for Button 2 | Connect to VDD |
| DRIVEN SHIELD | 8 | 9 | O | Shield electrode output driver | Leave open |
| SINGLE-BUTTON | 9 | 10 | I | Enable/Disable Easy Tune feature | Connect to VDD |
| OUT0 | 4 | 5 | OD | Touch indication for Button 0 | Leave open |
| OUT1/TUNE_EN | 2 | 3 | OD | Touch indication for Button 1 or Enable Tune Data* | Leave open |
| OUT2/TUNE_TX | 1 | 2 | OD/O | Touch indication for Button 2 or Transmit Tune Data* | Leave open |
| CFG0 | 12 | 13 | I | Response Time | May not be left open |
| VSS | 13 | 14 | P | Supply Ground | NA |
| VDD | 16 | 1 | P | Power | NA |
| CFG1 | 11 | 12 | I | Oversampling | May not be left open |
| CFG2 | 10 | 11 | I | Sensitivity | May not be left open |
|
Note: I – Input. O – Output. OD – Open
Drain.
* When Tune data is enabled, no OUTx pin will indicate touch. | |||||