Features

GW8310

• A single 1.8V supply voltage
• 400KHz I2C serial interface (optional – I3C capability)
• Four programmable I2C sub-addresses
• Up to 8 capacitive sensing inputs
• Smart on-chip capacitance to voltage converter
• Capacitance resolution: 1aF
• Capacitance offset compensation: up to 600pF
• Configurable proximity detection (single/combined)
• Integrated high performance RF shield for enhanced noise immunity
• Digital sensor status output
• Automatic sensor calibration
• Advanced temperature compensation
• Wakeup at Power Down
• Low power consumption for mobile application:
  – Active mode: < 30uA - Doze mode: < 10uA - Sleep mode: < 2uA
• Open drain NIRQ interrupt pin
• Two reset sources: POR, Soft Reset
• High performance 8 bit microcontroller
• 16KB on chip Flash memory
• 256 Bytes SRAM
• 1792 Bytes XRAM

GW8313

• A flexible 2.7 ~ 3.6V supply voltage
• 400KHz I2C serial interface (supports both 1.2V and 1.8V operation)
• Two programmable I2C sub-addresses
• Up to 3 capacitive sensing inputs
• Separate configurations per sensing input
• Multiple sensing thresholds per sensing input
• Capacitance resolution: 1.5aF
• Capacitance offset compensation: up to 400pF
• Configurable proximity detection (single/combined)
• Integrated high performance RF shield for enhanced noise immunity
• Digital sensor status output
• Automatic sensor calibration
• Advanced temperature compensation
• Wakeup at Power Down
• Low power consumption for mobile application:
  – Active mode: < 20uA - Doze mode: < ?? uA - Sleep mode: < 1uA
• Open drain NIRQ interrupt pin
• Two reset sources: POR, Soft Reset

GW8318

• A single 1.8V supply voltage
• 400KHz I2C serial interface
• Four programmable I2C sub-addresses
• Up to 8 capacitive sensing inputs
• Separate configurations per sensing input
• Multiple sensing thresholds per sensing input
• Smart on-chip capacitance to voltage converter
• Capacitance resolution: 3.7aF
• Capacitance offset compensation: up to 300pF
• Configurable proximity detection (single/combined)
• Digital sensor status output
• Automatic sensor calibration
• Advanced temperature compensation
• Wakeup at Power Down
• Low power consumption for mobile application:
  – Active mode: < 29uA
  – Doze mode: < 7uA
  – Sleep mode: < 1.2uA
• Open drain NIRQ interrupt pin
• Two reset sources: POR, Soft Reset