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1、Design Guide 1.2 Copyright 2007-2008 Yured International Co., Ltd.1YU-TECH-0002-012-1 Capacitive Touch Sensor Design Guide October 16, 2008 Design Guide 1.2 Copyright 2007-2008 Yured International Co., Ltd.2YU-TECH-0002-012-1 ? ? .3 ? .3 ? .5 ? .9 ? .11 ? .11 ? .17 ? .20 Design Guide 1.2 Copyright 2
2、007-2008 Yured International Co., Ltd.3YU-TECH-0002-012-1 ? ? ? ? 1.? ? 2.?(?)? ? 3M 468MP ? NITTO 500?818 ? ? Design Guide 1.2 Copyright 2007-2008 Yured International Co., Ltd.4YU-TECH-0002-012-1 3.? ? 4.? ? ? ? Front Panel Sensor PadSensor Pad Electroplating Or Spray Paint Nothing Design Guide 1.2
3、 Copyright 2007-2008 Yured International Co., Ltd.5YU-TECH-0002-012-1 ? 1. ?(FPC)?ITO ?(Membrane)?ITO ? ? ? ? ITO ? ?(? 10K?)? FPCITO MEMBRANEPCB Design Guide 1.2 Copyright 2007-2008 Yured International Co., Ltd.6YU-TECH-0002-012-1 2. ITO ? LCD ? ITO ? ?(? 10K?)? 3. ? ? 1mm? ? 8mm ?(? 8mm X 8mm) ? ?
4、 ? 1mm8mm X 8mm 2mm10mm X 10mm 3mm12mm X 12mm 4mm15mm X 15mm 5mm18mm X 18mm ? ?(?)? 196.85 mil (5mm) ? 0.254mm(10mil) 5mm 2mm 5mm 2mm Design Guide 1.2 Copyright 2007-2008 Yured International Co., Ltd.7YU-TECH-0002-012-1 4. ? ? 5. ? 20mil (0.508mm)? IC ? 20mil (0.508mm)? ? 10mil (0.254mm)? ? ? 78.74
5、mil (2mm)? Design Guide 1.2 Copyright 2007-2008 Yured International Co., Ltd.8YU-TECH-0002-012-1 6. ? IC ? 30cm? 20cm? ? IC ? 7. ? LED(?)? ? Design Guide 1.2 Copyright 2007-2008 Yured International Co., Ltd.9YU-TECH-0002-012-1 ? 1.? LCD ?(?)? ? 2mm ? 2.? ? RF ? 6mm ?(?)? Design Guide 1.2 Copyright 2
6、007-2008 Yured International Co., Ltd.10YU-TECH-0002-012-1 3.?(? 10mm)? ?(?)? 4.? 1 ? 2mm ? ? Design Guide 1.2 Copyright 2007-2008 Yured International Co., Ltd.11YU-TECH-0002-012-1 ? ? IC ? ? IC ? IC ? ? 1.? IC ? ? 2.? 10M?10%? 10%?(1uF)?(22pF)?20%? 3.?500mV(VDD=5V) ?300mV(VDD=3V) ?100mV/1V(VDD)? ?
7、IC ? 2.5V? 4.? 8MHz ? RC ? OSCI ?(C =22pF)? ? RC ? OSCI ? IC ? ? IC ? Design Guide 1.2 Copyright 2007-2008 Yured International Co., Ltd.12YU-TECH-0002-012-1 5.?CHIP ? ?OP ? VDD ? VSS? OP+R ? VDD ? VSS (R ? 47K?100K ?)? 6. Button(GPIO)? 1 ?(Active-High)? 0 ? ?(Active-Low)? Button ? 1 ? 0 ? ? 1 ?0 ? 1
8、 ? 0 ? Design Guide 1.2 Copyright 2007-2008 Yured International Co., Ltd.13YU-TECH-0002-012-1 7. Open-Drain ? GPIO ? 0 ?(Vss)? 1 ? ? Wire AND ?(?)? ? IC ? Open-Drain ? ? 8. Toggle ? Toggle ?(ON)? ?(OFF)? ON ? 0 ? 1 ? OFF ? 0 ? 1 ? ?(Mode)? OUTnActive INPnTT Active TT Design Guide 1.2 Copyright 2007-2008 Yured International Co., Ltd.14YU-TECH-0002-012-1 9. Inter-Lock ? Toggle?Push-Pull ? Active-Low ?OUT1 ? ? INP1 ?OUT2 ?
