CY8C20110-LDX2IT Cypress Semiconductor Corp, CY8C20110-LDX2IT Datasheet - Page 2

• Manufacturer Part Number: CY8C20110-LDX2IT
• Description: CY8C20110-LDX2IT
• Manufacturer: Cypress Semiconductor Corp
• Series: CapSense Express™ CY8C20xxxr

Specifications of CY8C20110-LDX2IT

• Controller Type: Capacitive Sensing Controller
• Interface: I²C
• Voltage - Supply: 2.4 V ~ 5.25 V
• Current - Supply: 1.5mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-UQFN, 16-µQFN
• Processor Series: CY8C201xx
• Core: M8C
• Development Tools By Supplier: CY3218-CAPEXP1
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 428-2043 - KIT CAPSENSE EXPRESS CY8C20110
• Lead Free Status / Rohs Status: Details

Contents
Pinouts .............................................................................. 3
Typical Circuits ................................................................. 6
I2C Interface ...................................................................... 8
Operating Modes of I2C Commands ............................. 10
Device Operation Modes ................................................ 10
Sleep Control Pin ............................................................ 10
Interrupt Pin to Master ................................................... 10
LED Dimming .................................................................. 10
Register Map ................................................................... 13
Layout Guidelines and Best Practices ......................... 18
Operating Voltages ......................................................... 21
CapSense Constraints ................................................... 21
Electrical Specifications ................................................ 22
Document Number: 001-54606 Rev. *E
I2C Device Addressing ................................................ 8
I2C Clock Stretching .................................................... 8
Format for Register Write and Read ........................... 9
Normal Mode ............................................................. 10
Setup Mode ............................................................... 10
Active Mode ............................................................... 10
Periodic Sleep Mode ................................................. 10
Deep Sleep Mode ...................................................... 10
LED Dimming Mode 1: Change Intensity on
ON/OFF Button Status .............................................. 11
LED Dimming Mode 2: Flash Intensity on
ON Button Status ...................................................... 11
LED Dimming Mode 3: Hold Intensity
After ON/OFF Button Transition ................................ 12
LED Dimming Mode 4: Toggle Intensity on
ON/OFF or OFF/ON Button Transitions .................... 12
CapSense Express Commands ............................... 17
Register Conventions ................................................ 17
CapSense Button Shapes ......................................... 18
Button Layout Design ................................................ 18
Recommended via Hole Placement .......................... 18
Example PCB Layout Design with Two CapSense Buttons
and Two LEDs ........................................................... 20
DC Electrical Characteristics ........................................ 23
AC Electrical Specifications .......................................... 26
Appendix – Examples of Frequently
Used I2C Commands ...................................................... 28
Ordering Information ...................................................... 29
Ordering Code Definitions ............................................. 29
Package Diagrams .......................................................... 30
Acronyms ........................................................................ 32
Reference Documents .................................................... 32
Document Conventions ................................................. 32
Glossary .......................................................................... 33
Document History Page ................................................. 38
Sales, Solutions, and Legal Information ...................... 39
Absolute Maximum Ratings ....................................... 22
Operating Temperature ............................................. 22
DC Chip Level Specifications .................................... 23
DC GPIO Specifications ............................................ 23
DC POR and LVD Specifications .............................. 24
DC Flash Write Specifications ................................... 25
DC I2C Specifications ............................................... 25
CapSense Electrical Characteristics ......................... 25
AC Chip-Level Specifications .................................... 26
AC GPIO Specifications ............................................ 26
AC I
Acronyms Used ......................................................... 32
Units of Measure ....................................................... 32
Numeric Conventions ................................................ 32
Worldwide Sales and Design Support ....................... 39
Products .................................................................... 39
PSoC Solutions ......................................................... 39
2
C Specifications ................................................ 27
CY8C20160, CY8C20140
CY8C20110, CY8C20180
CY8C20142
Page 2 of 39
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