TouchXpress Common Specs
- Capacitive sensing input engine with up to 13 inputs
- Post-sample touch qualification engine
- Configuration profile space in non-volatile memory
- Pin output with configuration polarity and drive strength
- Low power state machine to minimize current draw in all use cases
- Capacitive proximity sensing input
- Buzzer output
- Mutually exclusive touch qualifier
- Touch time-out timer
- IEC60730 Class B compliance
Find the Right TouchXpress Device
Select Columns
| Part Number | Channels | Interface | Slider | Wake on Proximity | LED/Buzzer | Package Type | Package Size (mm) |
|---|---|---|---|---|---|---|---|
| 7 | GPIO Map | QFN20 | 3x3 | ||||
| 7 | GPIO Map | QSOP24 | 8.65x3.9 | ||||
| 12 | I2C | QFN20 | 3x3 | ||||
| 12 | I2C | QSOP24 | 8.65x3.9 | ||||
| 12 | I2C | QFN20 | 3x3 | ||||
| 13 | I2C | QFN24 | 4x4 |
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CPT212B Capacitive Touch with Reconfigurable I2C Evaluation Kit
The CPT212B TouchXpress Evaluation Board features 12 capacitive sense pads along with a buzzer for touch feedback. The board can be connected to a host processor through the expansion header or breakout pins and to a PC using the USB connector. Using the CPT212B evaluation board along with software demos built in the kit will allow interface to all EFM8™ and EFM32™ families of MCUs. All the collateral is targeted at easily enabling developers and reducing their time-to-market. Support from Simplicity Studio software.
CPT212B Capacitive Touch with Reconfigurable I2C Evaluation Kit
The CPT212B TouchXpress Evaluation Board features 12 capacitive sense pads along with a buzzer for touch feedback. The board can be connected to a host processor through the expansion header or breakout pins and to a PC using the USB connector. Using the CPT212B evaluation board along with software demos built in the kit will allow interface to all EFM8™ and EFM32™ families of MCUs. All the collateral is targeted at easily enabling developers and reducing their time-to-market. Support from Simplicity Studio software.