AT42QT1110-AU Overview
Key Specifications
Package: TQFP
Pins: 32
Max Voltage (typical range): 5.5 V
Min Voltage (typical range): 3 V
Key Features
- Up to 11 QTouch® channels
- Data Acquisition
- Measurement of keys triggered either by a signal applied to the SYNC pin or at regular intervals timed by the AT42QT1110 internal clock
- Keys measured sequentially for better performance, or in parallel groups for faster operation
- Raw data for key touches can be read as a report over the SPI interface
- Discrete Outputs
- Configurable “Detect” outputs indicating individual key touch (7-key mode)
- Device Setup
- Device configuration can be stored in EEPROM
- Patented spread-spectrum charge-transfer (direct mode)
