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