Features

• 32-bit MCU subsystem

- 48-MHz Arm® Cortex®-M0+ CPU with single-cycle multiply

- Up to 64 KB of flash with read accelerator

- Up to 8 KB of SRAM

• Low-power 1.71 V to 5.5 V operation

- Deep sleep mode with 6 μA always-on touch sensing

- Active touch detection and tracking with 200 μA (average)

• Fifth-generation CAPSENSE™ sensing

- All-new ratio-metric sensing architecture in Multi-Sense Converter Low Power (MSCLP) provides best-in-class

signal-to-noise ratio (SNR) (>5:1) and liquid tolerance for capacitive sensing.

- “Always-On” sensing in Deep Sleep mode with hardware-based wake on touch detection for ultra-low power

operation in standby mode.

- Autonomous channel scanning without assistance from the MCU core for low power optimization with active

touch detection and tracking

- Advanced proximity sensing with directivity with machine learning based algorithms

- Infineon-supplied software middleware makes capacitive sensing design easy

- Automatic hardware tuning (SmartSense)

• Serial communication

- Two independent runtime reconfigurable serial communication blocks (SCBs) with re-configurable I2C, SPI,

or UART functionality in one block with master/slave I2C functionality in the other.

• Timing and pulse-width modulation

- Two 16-bit timer/counter/pulse-width modulator (TCPWM) blocks

- Center-aligned, edge, and pseudo-random modes

- Comparator-based triggering of kill signals

- Quadrature decoder

• Clock sources

- ±2 Internal main oscillator (IMO)

- 40 kHz Internal low-power oscillator (ILO)

• Up to 21 programmable GPIO pins

- 25-pin WLCSP (0.35 mm pitch), 24-pin QFN (0.5mm pitch), and a 16-pin QFN package (0.5mm pitch).

- GPIO pins can have sensing or digital functionality

• ModusToolbox™ software

- Comprehensive collection of multi-platform tools and software libraries

- Includes board support packages (BSPs), peripheral driver library (PDL), and middleware such as CAPSENSE™

• Industry-standard tool compatibility

- After configuration, development can be done with Arm®-based industry-standard development tools