Features
■Low power, configurable CapSense®
❐Configurable capacitive sensing elements
❐operating voltage
❐Operating voltage: 2.4 V to 5.25 V
❐Low operating current
  • Active 1.5 mA (at 3.0 V, 12 MHz)
  • Sleep 2.8 µA (at 3.3 V)
❐Supports up to 25 capacitive buttons
❐Supports one slider
❐Up to 10 cm proximity sensing
❐Supports up to 28 general-purpose I/O (GPIO) pins
  • Drive LEDs and other outputs
❐Configurable LED behavior (fading, strobing)
❐LED color mixing (RBG LEDs)
❐Pull-up, high Z, open-drain,and CMOS drive modes on all GPIOs
❐Internal ±5.0% 6 or12 MHz main oscillator
❐Internal low-speed oscillator at 32 kHz
❐Low external component count
  • No external crystal or oscillator components
  • No external voltage regulator required
■High-performance CapSense
❐Ultra fast scan speed —1 kHz (nominal)
❐Reliable finger detection through 5 mm thick acrylic
❐Excellent EMI and AC noise immunity
■Industry best flexibility
❐8 KB flash program storage 50,000 erase and write cycles
❐512-bytes SRAM data storage
❐Bootloader for ease of field reprogramming
❐Partial flash updates
❐Flexible flash protection modes
❐Interrupt controller
❐In-system serial programming (ISSP)
❐Free complete development tool (PSoC Designer™)
❐Full-featured, in-circuitemulator and programmer
  • Full-speed emulation
  • Complex breakpoint structure
  • 128 KB trace memory
■Additional system resources
❐Configurable communication speeds
❐I2C slave
❐SPI master and SPI slave
❐Watchdog and sleep timers
❐Internal voltage reference
❐Integrated supervisory circuit