TouchXpress Dedicated Capacitive Sensing Devices

CPT007B CPT112S
Number of Channels Up to 7 Up to 12
Interface GPIO I2C
Slider No Yes
LED/Buzzer Yes Yes
Cap Touch Technology CDC CT CDC CT
Development Kit CPT007B Kit CPT112S Kit
Buy or Sample CPT007B CPT112S
** CDC CT = Charge-Timing Capacitance to Digital Converter



8-bit Touch Sense Capable MCUs

EFM8SB1x EFM8SB2x C8051F7xx C8051F80x/1x/2x/3x C8051F93x C8051F97x C8051F99x
Core 8051 8051 8051 8051 8051 8051 8051
Speed (MHz) 25 25 25 25 25 25 25
Flash (kB) 8 64 16 16 64 32 8
RAM 512 B 4352 B 512 B 512 B 4352 B 8448 B 512 B
Dig I/O 17 24 54 17 24 43 17
Cap Touch Technology CDC CT RO CDC CT CDC CT RO CDC CT CDC CT
Development Kit EFM8 Sleepy Bee STK EFM8 Sleepy Bee STK C8051F700DK C8051F800DK C8051F930DK C8051F970DK C8051F996DK
Buy or Sample EFM8SB1x EFM8SB2x C8051F7xx C8051F80x/1x/2x/3x C8051F93x C8051F97x C8051F99x
** CDC CT = Charge-Timing Capacitance to Digital Converter



32-bit Touch Sense Capable MCUs

Happy Gecko  Zero Gecko Tiny Gecko Gecko Leopard Gecko Giant Gecko Wonder Gecko
Core ARM™ Cortex™-M0+ ARM™ Cortex™-M0+ ARM™ Cortex™-M3 ARM™ Cortex™-M3 ARM™ Cortex™-M3 ARM™ Cortex™-M3 ARM™ Cortex™-M4
Speed (MHz) 25 24 32 32 48 48 48
Flash (kB) 64 32 32 128 256 1024 256
RAM (kB) 8 4 4 16 32 128 32
Dig I/O 37 37 56 90 93 93 93
Cap Touch Technology RO RO RO RO RO RO RO
Development Kit SLSTK3400A EFM32ZG-STK3200 EFM32TG-STK3300 EFM32-G8XX-STK EFM32LG-STK3600 EFM32GG-STK3700 EFM32WG-STK3800
Buy or Sample Happy Gecko Zero Gecko Tiny Gecko Gecko Leopard Gecko Giant Gecko Wonder Gecko
** RO = Relaxation-Oscillator Converter
 
 

Simplicity Studio™ Software Suite

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Additional Resources

 

 

Capacitive Sense Profiling

Monitor the real time state of capacitive sensing peripherals with the Capacitive Sense Profiler in Simplicity Studio.

C8051F97x MCU Overview

Discover how to combine capacitive sensing into applications that require years of battery operated operation.

View all MCU training videos