Cypress CapSense CY8CMBR2010 Controller Manuals

Cypress CapSense CY8CMBR2010 Controller Manuals

Manuals and User Guides for Cypress CapSense CY8CMBR2010 Controller. We have 1 Cypress CapSense CY8CMBR2010 Controller manual available for free PDF download: Design Manual

Cypress CapSense CY8CMBR2010 Design Manual

Cypress CapSense CY8CMBR2010 Design Manual (51 pages)

Brand: Cypress | Category: Microcontrollers | Size: 1 MB

Table of Contents

Table of Contents
3
Introduction
5
Abstract
5
Cypress's Capsense Documentation Ecosystem
5
CY8CMBR2010 Capsense ® Express Device Features
7
Document Conventions
8
Capsense Technology
9
Capsense Fundamentals
9
Capacitive Sensing Method
11
Capsense Sigma-Delta (CSD)
11
Smartsense Auto-Tuning
12
Process Variation
12
Reduced Design Cycle Time
12
Capsense Schematic Design
13
CY8CMBR2010 Capsense Controller Pins
13
Capsense Buttons (Csx Pins)
13
General Purpose Outputs (Gpox Pins)
13
Modulation Capacitor (CMOD Pin)
13
Button Auto Reset (ARST/EMC Pin)
14
Noise Immunity (ARST/EMC Pin)
14
Toggle ON/OFF (Toggle/Fss Pin)
14
Flanking Sensor Suppression (Toggle/Fss Pin)
15
LED on Time (Delay Pin)
15
Power-On LED Effects (Ledfading Pin)
16
Analog Voltage Support (Ledfading Pin)
18
Backlighting (Backlighting Pin)
19
CS0 Sensitivity (Cs0Sensitivity Pin)
19
CS0 Debounce (Cs0Sensitivity Pin)
20
System Diagnostics
20
Button Scan Rate (Scanrate/Sleep Pin)
22
Sleep Modes (Scanrate/Sleep Pin)
23
Serial Debug Data out (Delay Pin)
23
Design Toolbox
28
General Layout Guidelines
28
Layout Estimator
29
Power Consumption, and Response Time Calculator
30
Design Validation
31
Electrical and Mechanical Design Considerations
33
Overlay Selection
33
Bonding Overlay to PCB
34
ESD Protection
34
Prevent
34
Redirect
34
Clamp
34
Electromagnetic Compatibility (EMC) Considerations
35
Radiated Interference
35
Conducted Immunity and Emissions
35
PCB Layout Guidelines
35
Low-Power Design Considerations
36
System Design Recommendations
36
Calculating Average Power
36
Button Scan Rate
36
Scan Time
37
Average Current in no TOUCH State (I )
38
Ave_Nt
38
Average Current in TOUCH State (I )
38
Average Use Current (IAVE_U )
38
Average Current (IAVE )
38
Average Power (PAVE )
39
Example Calculation
39
Sleep Modes
40
Low-Power Sleep Mode
40
Deep Sleep Mode
40
Resources
41
Website
41
Datasheet
41
Design Toolbox
41
Design Support
41
Appendix
42
Schematic Example
42
Schematic 1: Ten Buttons and Ten Gpos
42
Schematic 2: Eight Buttons and Eight Gpos
44
Acronyms
45
Glossary
46
Revision History
51

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