cy8cmbr2044 Cypress Semiconductor Corporation., cy8cmbr2044 Datasheet - Page 2

• Manufacturer Part Number: cy8cmbr2044
• Description: Capacitive Button Controllers
• Manufacturer: Cypress Semiconductor Corporation.

Contents
Capacitive Button Controllers ...........................................1
Features ...............................................................................1
Overview ..............................................................................1
Pinout ..................................................................................3
Typical Circuits ...................................................................4
with Auto Reset Enabled ......................................................4
and Advanced Features Enabled .........................................5
Device Features ..................................................................6
Device Operating Modes ..................................................12
Additional Components to Enable Advanced Features 15
Response Time .................................................................15
Document Number: 001-57451 Rev. *C
Schematic 1: 4-Buttons, 4-LEDs 
Schematic 2: 3-Buttons, 3-LEDs, 2-Outputs to Master, 
CapSense Buttons ........................................................6
SmartSense Auto Tuning ..............................................6
General Purpose Outputs ..............................................6
Hardware Configuration ................................................6
Sensor Auto Reset ........................................................6
Toggle ...........................................................................7
Delay Off .......................................................................7
Flanking Sensor Suppression .......................................9
Failure Mode Analysis ...................................................9
Debug Data .................................................................10
Low Power Sleep Mode ..............................................12
Deep Sleep Mode ........................................................15
Layout Guidelines and Best Practices ...........................16
Four CapSense Buttons and Four LEDs ............................18
Electrical Specifications ..................................................19
Ordering Information ........................................................22
Package Information ........................................................23
Document Conventions ...................................................24
Document History Page ...................................................25
Sales, Solutions, and Legal Information ........................26
CapSense Button Shapes ...........................................17
Button Layout Design ..................................................17
Recommended Via Hole Placement ...........................17
Example PCB Layout Design with 
Absolute Maximum Ratings .........................................19
Operating Temperature ...............................................19
DC Electrical Characteristics .......................................19
AC Electrical Specifications .........................................21
CapSense Specifications ............................................21
Ordering Code Definitions ...........................................22
Thermal Impedances by Package ...............................23
Solder Reflow Peak Temperature ...............................23
Package Diagram ........................................................23
Acronyms Used ...........................................................24
Units of Measure .........................................................24
Worldwide Sales and Design Support .........................26
Products ......................................................................26
PSoC Solutions ...........................................................26
CY8CMBR2044
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