Rainbow Electronics AT42QT1110-AZ User Manual
Qtouch, Features
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Table of contents
Document Outline
- Features
- 1. Pinout and Schematic
- 2. Overview of the AT42QT1110
- 3. Wiring and Parts
- 4. Detailed Operations
- 4.1 Communications
- 4.2 Reset
- 4.3 Sleep Mode
- 4.4 Calibration
- 4.5 CHANGE Pin
- 4.6 Stand-alone Mode
- 4.7 Key Modes
- 4.8 Trigger Modes
- 4.9 Guard Channel Option
- 4.10 Self-test Functions
- 4.11 Signal Processing
- 5. Control Commands
- 6. Report Requests
- 6.1 Introduction
- 6.2 First Key (0xC0)
- 6.3 All Keys (0xC1)
- 6.4 Device Status (0xC2)
- 6.5 EEPROM CRC (0xC3)
- 6.6 RAM CRC (0xC4)
- 6.7 Error Keys (0xC5)
- 6.8 Signal for Key “k” (0x2k)
- 6.9 Reference for Key “k” (0x4k)
- 6.10 Status for Key “k” (0x8k)
- 6.11 Detect Output States (0xC6)
- 6.12 Last Command (0xC7)
- 6.13 Setups (0xC8)
- 6.14 Device ID (0xC9)
- 6.15 Firmware Version (0xCA)
- 7. Setups and Status Information
- 7.1 Introduction
- 7.2 Setting Individual Settings
- 7.3 Setting All the Setups
- 7.4 Address 0: Device Mode
- 7.5 Address 1: Guard Key/Comms Options
- 7.6 Address 2: Detect Integrator Limit (DIL)/Drift Hold Time (DHT)
- 7.7 Address 3: Positive Threshold (PTHR)/Positive Hysteresis (PHYST)
- 7.8 Address 4: Positive Drift Compensation (PDRIFT)
- 7.9 Address 5: Positive Recalibration Delay (PRD)
- 7.10 Address 6: Lower Burst Limit (LBL)
- 7.11 Addresses 7–8: AKS Mask
- 7.12 Addresses 9–15: Detect0 – Detect6 PWM
- 7.13 Address 16: LED Detect Hold Time
- 7.14 Address 17: LED Fade/Key to LED
- 7.15 Address 18: LED Latch
- 7.16 Addresses 19–29: Negative Threshold (NTHR)/Negative Hysteresis (NHYST)
- 7.17 Address 30: Extend Pulse Time
- 7.18 Addresses 31–41: Negative Drift Compensation (NDRIFT)/Negative Recalibration Delay (NRD)
- 8. Specifications
- 8.1 Absolute Maximum Specifications
- 8.2 Recommended Operating Conditions
- 8.3 DC Specifications
- 8.4 Timing Specifications
- 8.5 SPI Bus Specifications
- 8.6 External Reset
- 8.7 Internal Resonator
- 8.8 Power Consumption
- 8.9 Mechanical Dimensions
- 8.10 Marking
- 8.11 Part Number
- 8.12 Moisture Sensitivity Level (MSL)
- Revision History