1.8 V CapSense® Controller with SmartSense™ Auto-tuning 31 Buttons, 6 Sliders, Proximity SensorsnFeatures n■QuietZone™ Controller n❐Patented Capacitive Sigma Delta PLUS (CSD PLUS™) sensing algorithm for robust performance n❐High Sensitivity (0.1 pF) and best-in-class SNR performance to support: n• Overlay thickness of 15 mm for glass and 5 mm plastic n• Proximity Solutions n❐Superior noise immunity performance against conducted and radiated noise and ultra low radiated emissions n• Standardized user modules for overcoming noise n■Low power CapSense® block with SmartSense Auto-tuning n❐Low average power consumption – n• 28 µA/sensor in run time (wake-up and scan once every 125 ms) n❐SmartSense_EMC_PLUS Auto-Tuning n• Sets and maintains optimal sensor performance during run time n• Eliminates system tuningduring development and production n• Compensates for variations in manufacturing process n■Driven shield available on five GPIO pins n❐Delivers best-in class water tolerant designs n❐Robust proximity sensing in the presence of metal objects n❐Supports longer trace lengths n❐Max load of 100 pF (3 MHz) n■Powerful Harvard-architecture processor n❐M8C CPU with a max speed of 24 MHz n■Operating Range: 1.71 V to 5.5 V n❐Standby Mode 1.1 μA (Typ) n❐Deep Sleep 0.1 μA (Typ) n■Operating Temperature range: –40oC to +85oC n■Flexible on-chip memory n❐8 KB flash, 1 KB SRAM n❐16 KB flash, 2 KB SRAM n❐32 KB flash, 2 KB SRAM n❐50,000 flash erase/write cycles n❐Read while Write with EEPROM emulation n❐In-system programming simplifies manufacturing process n■4 Clock Sources n❐Internal main oscillator (IMO): 6/12/24 MHz n❐Internal low-speed oscillator (ILO) at 32 kHz for watchdog and sleep timers n❐External 32 KHz Crystal Oscillator n❐External Clock Input n■Programmable pin configurations n❐Up to 34 general-purpose I/Os (GPIOs) n❐Dual mode GPIO (Analog and Digital) n❐High sink current of 25 mA per GPIO n• Max sink current 120 mA for all I/Os combined n❐Source Current n• 5 mA on ports 0 and 1 n• 1 mA on ports 2,3 and 4 n❐Configurable internal pull-up, high-Z and open drain modes n❐Selectable, regulated digital I/O on port 1 n❐Configurable input threshold on port 1 n■Versatile Analog functions n❐Internal analog bus supports connection of multiple sensors to form ganged proximity sensor n❐Internal Low-Dropout voltage regulator for high power supply rejection ratio (PSRR) n■Additional system resources n❐I2C Slave: n• Selectable to 50 kHz, 100 kHz, or 400 kHz n• Selectable Clock stretch or Forced Nack Mode n• I2C wake from sleep with Hardware address match n❐12 MHz (Configurable) SPI master and slave n❐Three 16-bit timers n❐Watchdog and sleep timers n❐Integrated supervisory circuit n❐10-bit incremental analog-to-digital converter (ADC) with internal voltage reference n❐Two general-purpose high speed, low power analog comparators n■Complete development tools n❐Free development tool (PSoC Designer™) n■Sensor and Package options n❐10 Sensing Inputs – 16-pin QFN, 16-pin SOIC n❐16 Sensing Inputs – 24-pin QFN n❐24 Sensing Inputs – 30-pin WLCSP[1] n❐25 Sensing Inputs – 32-pin QFN n❐31 Sensing Inputs – 48-pin QFN
