Cypress CapSense CY8C20x36 Uživatelská příručka Strana 5
- Strana / 75
- Tabulka s obsahem
- KNIHY
Hodnocené. / 5. Na základě hodnocení zákazníků
Getting Started with CapSense
®
Document No. 001-64846 Rev. *I 5
4. CapSense Product Portfolio ....................................................................................................................................... 57
4.1 Cypress‘s CapSense Controller Solutions ........................................................................................................... 57
4.1.1 CapSense Express Controllers (Configurable Solutions) ....................................................................... 57
4.1.2 CapSense Controllers (Programmable Solutions) .................................................................................. 57
4.1.3 CapSense Plus (Programmable Solutions) ............................................................................................ 58
5. CapSense Selector Guide ........................................................................................................................................... 59
5.1 Selecting the Right CapSense Device ................................................................................................................. 59
6. CapSense Migration Paths ......................................................................................................................................... 63
6.1 CY8C20x34 to CY8C20xx6A/H/AS ..................................................................................................................... 63
6.2 CY8C21x34/B / CY8C24x94 to CY8C20xx6A/H/AS ............................................................................................ 63
6.3 CY8C20xx6A/H/AS to CY8C21x34/B / CY8C24x94 ............................................................................................ 63
6.4 Pin-to-Pin Compatibility ....................................................................................................................................... 64
7. Resources .................................................................................................................................................................... 65
7.1 Website ............................................................................................................................................................... 65
7.2 Device Specific Design Guides............................................................................................................................ 65
7.3 Technical Reference Manuals ............................................................................................................................. 65
7.4 Development Kits ................................................................................................................................................ 65
7.4.1 Universal CapSense Controller Kits........................................................................................................ 65
7.4.2 Universal CapSense Module Boards ...................................................................................................... 66
7.4.3 CapSense Express Evaluation Kits for CY8C201xx ............................................................................... 66
7.4.4 CapSense Express Evaluation Kits for CY8CMBR2044 ......................................................................... 66
7.4.5 Evaluation Pods ...................................................................................................................................... 66
7.4.6 In-Circuit Emulation (ICE) Kits ................................................................................................................ 67
7.5 Demonstration Kit ................................................................................................................................................ 67
7.6 PSoC Designer .................................................................................................................................................... 67
7.7 PSoC Programmer .............................................................................................................................................. 68
7.8 I
2
C-to-USB Bridge Kit .......................................................................................................................................... 69
7.9 Debugging/Data Viewing Tools ........................................................................................................................... 69
7.9.1 Bridge Control Panel ............................................................................................................................... 69
7.9.2 MultiChart ............................................................................................................................................... 69
7.10 Design Support .................................................................................................................................................... 71
8. Appendix ...................................................................................................................................................................... 72
8.1 Appendix A: Springs ............................................................................................................................................ 72
8.1.1 Finger-Introduced Capacitance .............................................................................................................. 72
8.1.2 Mounting Springs to the PCB ................................................................................................................. 73
8.1.3 CapSense and Mechanical Button Combination .................................................................................... 74
8.1.4 Design Examples .................................................................................................................................... 74
8.2 Document Revision History ................................................................................................................................. 75
- Getting Started with CapSense 1
- Contents 3
- 1. Introduction 6
- 1.4 Document Conventions 9
- 2. CapSense Technology 10
- 2.1.2 Mutual-Capacitance 11
- 2.3.1 Sensing Methods 12
- CY8C21x34/B 13
- = External Connection 14
- 2.4 CapSense Tuning 15
- 2.4.3 Measuring SNR 16
- 2.4.4.1 What is SmartSense? 17
- 2.5 Sensor Types 19
- 2.5.1.2 Matrix Buttons 20
- 2.5.2.1 Linear Sliders 20
- 2.5.2.2 Diplexed Sliders 21
- Area contacted by finger 22
- Proximity Sensor 22
- 2.6 Sensor Construction 23
- 2.7.1 Visual Feedback 24
- OFFON OFF 26
- 2.7.2 Haptic Feedback 28
- 2.7.3 Audible Feedback 29
- 2.8 Water Tolerance 31
- CapSense Controller 32
- 3. Design Considerations 33
- 3.2 ESD Protection 34
- Non Conductive 35
- Material 35
- 3.2.2 Redirect 36
- 3.2.3 Clamp 36
- 3.3.1.1 Ground Plane 37
- 3.3.1.2 Series Resistor 37
- 3.3.1.3 Trace Length 37
- 3.3.1.4 Current Loop Area 37
- CapSense 38
- Controller 38
- 3.3.2 Radiated Emissions 39
- 3.4 Software Filtering 41
- 3.4.2 IIR Filter 42
- Equation 18 43
- 3.4.3 Median Filter 44
- 3.4.4 Jitter Filter 45
- Unfiltered 46
- Filtered 46
- 3.5 Power Consumption 47
- 3.6 Pin Assignments 48
- 3.7 PCB Layout Guidelines 51
- 3.7.5 Slider Design 52
- 3.7.8 Trace Routing 53
- 3.7.9 Crosstalk Solutions 53
- 3.7.10 Vias 54
- 3.7.11 Ground Plane 54
- Sensor-1 55
- Shield Electrode 56
- Guard Sensor 56
- Sensor Pads 56
- 4.1.1.1 CY8CMBR20xx 57
- 4.1.1.2 CY8C201xx 57
- 4.1.2.1 CY8C20x34, CapSense 57
- 5. CapSense Selector Guide 59
- Design Requirements 60
- 7. Resources 65
- 7.4.5 Evaluation Pods 66
- 7.5 Demonstration Kit 67
- 7.6 PSoC Designer 67
- 7.7 PSoC Programmer 68
- C-to-USB Bridge Kit 69
- 7.10 Design Support 71
- 8. Appendix 72
- Introduced Capacitance, pF 73
- 8.1.4 Design Examples 74
© 2020, manymanuals.cz. Všechna práva vyhrazena. | 0.241 s |
Manymanuals.com
Manymanuals.de
Manymanuals.fr
Manymanuals.it
Manymanuals.pl
Manymanuals.cz
Manymanuals.es
Manymanuals-pt.com
Komentáře k této Příručce