CY8C20247-24LKXIT
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 tuning during 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: –40 oC to +85 oC
■ 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
