Chip Bluetooth, Bluetooth 4.2, 3dBm

Up to 15 capacitive sensors for buttons or sliders with
best-in-class signal-to-noise ration (SNR) and liquid tolerance
12-bit, 1-Msps SAR ADC with internal reference,
sample-and-hold (S/H), and channel sequencer
Two serial communication blocks (SCBs) supporting I
2C
(master/slave), SPI (master/slave), or UART
Four dedicated 16-bit timer, counter, or PWM blocks
(TCPWMs)
Programmable low-voltage detect (LVD) from 1.8 V to 4.5 V
I
2S master interface
Bluetooth Low Energy protocol stack supporting generic
access profile (GAP) Central, Peripheral, Observer, or
Broadcaster roles
Switches between Central and Peripheral roles on-the-go
Standard Bluetooth Low Energy profiles and services for
interoperability
Custom profile and service for specific use cases