CapSense Express- Configurable CapSense Expresscontroller allows

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CapSense Express- Configurable CapSense Expresscontroller allows

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CY8C20140
CapSense Express- Configurable
CapSense Expresscontroller allows control configurable capacitive sensing buttons GPIOs driving LEDs interrupt signals based various button conditions. GPIOs also configurable waking device from sleep based interrupt input. user ability configure buttons, outputs, parameters, through specific commands sent port. have flexibility mapping capacitive buttons standard GPIO functions such interrupt output input, drive digital mapping input output using simple logical operations. This enables easy trace routing reduces size stack CapSense Express products designed easy integration into complex products.
configurable supporting CapSense buttons drive Interrupt outputs WAKE interrupt input User defined Input output 2.4V 5.25V operating voltage Industrial temperature range: -40°C +85°C slave interface configuration Reduce cost Internal oscillator external oscillators crystal Free development tool external tuning components Operating Current Active current: continuous sensor scan:1.5 Sleep current: scan, continuous sleep:2.6 Available 16-pin 16-pin SOIC packages
Architecture
logic block diagram shows internal architecture CY8C20140. user configure registers with parameters needed adjust operation sensitivity CapSense system. CY8C20140 supports standard serial communication interface that allows host configure device read sensor information real time through easy register access.
CapSense Express Core
CapSense Express Core powerful configuration control block. encompasses SRAM data storage, interrupt controller, sleep, watchdog timers. System resources provide additional capability, such configurable slave communication interface various system resets. Analog System composed CapSense PSoC block which supports capacitive sensing inputs.
Cypress Semiconductor Corporation Document Number: 001-17348 Rev.
Champion Court
Jose, 95134-1709 408-943-2600 Revised March 2008
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CY8C20140
Logic Block Diagram
External 5.25V
CapSense ExpressCore
Configurable
Flash 512B SRAM
Document Number: 001-17348 Rev.
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CY8C20140
Pinouts
Figure Diagram
Table Definitions Number Name GP0[0] GP0[1]
Description Configurable CapSense GPIO Configurable CapSense GPIO clock data Configurable CapSense GPIO Configurable CapSense GPIO Ground connection Configurable CapSense GPIO Configurable CapSense GPIO Configurable CapSense GPIO Active HIGH external reset with internal pull down Configurable CapSense GPIO Supply voltage Configurable CapSense GPIO Integrating capacitor input.The external capacitance required only cannot achieved.Typical range Configurable CapSense GPIO
GP1[0] GP1[1] GP1[2] GP1[3] GP1[4] XRES GP0[2] GP0[3] CSInt GP0[4]
Document Number: 001-17348 Rev.
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CY8C20140
Figure Diagram SOIC
GP0[3] CSInt GP0[4] GP0[0] GP0[1] I2CSCL I2CSDA GP1[0]
GP0[2] XRES GP1[4] GP1[3] GP1[2] GP1[1]
SOIC (Top View)
Table Definitions SOIC Number Name GP0[3] CSInt GP0[4] GP0[0] GP0[1]
Description Configurable CapSense GPIO Integrating capacitor input.The external capacitance required only cannot achieved. Typical range Configurable CapSense GPIO Configurable CapSense GPIO Configurable CapSense GPIO clock data Configurable CapSense GPIO Configurable CapSense GPIO Ground connection Configurable CapSense GPIO Configurable CapSense GPIO Configurable CapSense GPIO Active HIGH external reset with internal pull down. Configurable CapSense GPIO Supply voltage
GP1[0] GP1[1] GP1[2] GP1[3] GP1[4] XRES GP0[2]
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CY8C20140
CapSense Analog System
CapSense analog system contains capacitive sensing hardware which supports CapSense Successive Approximation (CSA) algorithm. This hardware performs capacitive sensing scanning without external components. Capacitive sensing configurable each pin.
Interface
modes operation interface are:
Device register configuration status read write controller Command execution
Additional System Resources
System resources provide additional capability useful complete systems. Additional resources voltage detection power reset.
address programmable during configuration. locked prevent accidental change setting flag configuration register.
CapSense Express Software Tool
easy software tool integrated with PSoC Express available configuring tuning CapSense Express devices. Refer Application Note AN42137 details software tool.
slave provides 100, communication over wires. Voltage Detection (LVD) interrupts signal application falling voltage levels advanced (Power Reset) circuit eliminates need system supervisor.
CapSense Express Register
CapSense Express supports user configurable registers through which device functionality parameters configured. details, refer CY8C201xx Register Reference document.
internal 1.8V reference provides absolute reference capacitive sensing. this telling have stable internal reference, that minor changes does alter functionality CapSense.
Electrical Specifications
Absolute Maximum Ratings
Parameter TSTG Description Storage temperature +100 Unit Notes Higher storage temperatures reduce data retention time. Recommended storage temperature +25°C 25°C (0°C 50°C). Extended duration storage temperatures above 65°C degrade reliability.
VIOZ IMIO
Ambient temperature with power applied Supply voltage relative input voltage voltage applied tri-state Maximum current into GPIO Electro static discharge voltage Latch current
-0.5 2000
+6.0
Human body model
Operating Temperature
Parameter Description Ambient temperature Junction temperature +100 Unit Notes
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CY8C20140
Electrical Characteristics
Chip Level Specifications
Parameter Description Supply voltage Supply current Sleep mode current with active. temperature range Sleep mode current with active. Sleep mode current with active. 2.40 5.25 Unit Conditions 3.0V, 25°C 2.55V, 40°C 3.3V, -40°C 85°C 5.25V, -40°C 85°C Notes
3.3V General Purpose Specifications
following tables list guaranteed maximum minimum specifications voltage temperature ranges:4.75V 5.25V -40C<TA<85C, 3.0V 3.6V -40°C<TA<85°C. Typical parameters apply 25°C design guidance only. Parameter VOH1 VOH2 VOH3 VOH4 VOH5 Description Pull resistor High output voltage Port pins High output voltage Port pins High output voltage Port pins High output voltage Port pins High output voltage Port pins with 3.0V regulator enabled High Output Voltage Port pins with 3.0V regulator High Output Voltage Port pins with 2.4V regulator enabled High Output Voltage Port pins with 2.4V regulator enabled output voltage 2.75 Unit 3.0V, maximum source current IOs. 3.0V, maximum source current IOs. VDD> 3.0V, maximum source current IOs. 3.0V, maximum source current IOs. VDD> 3.1V, maximum sourcing 5mA. 3.1V, maximum source current IOs. 3.0V, maximum source current IOs. 3.0V, maximum source current IOs. maximum sink current even port pins sink current port pins 3.6V. 3.6V 5.25V Gross tested 5.25V. Notes
VOH6 VOH7
VOH8
0.75
Input voltage Input high voltage Input voltage Input high voltage Input hysteresis voltage Input leakage
0.75
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CY8C20140
3.3V General Purpose Specifications
following tables list guaranteed maximum minimum specifications voltage temperature ranges:4.75V 5.25V -40C<TA<85C, 3.0V 3.6V -40°C<TA<85°C. Typical parameters apply 25°C design guidance only. Parameter COUT Description Capacitive load pins input Capacitive load pins output Unit Notes Package dependent. Temp 25°C Package dependent. Temp 25°C
2.7V General Purpose Specifications
following tables list guaranteed maximum minimum specifications voltage temperature ranges:2.4V 3.0V -40°C<TA<85°C, respectively. Typical parameters apply 2.7V 25°C design guidance only. Parameter VOH1 VOH2 VOH3 VOH4 Description Pull resistor High output voltage Port pins High output voltage Port pins High output voltage Port pins High output voltage Port pins output voltage 0.75 Unit maximum source current IOs. maximum source current IOs. maximum source current IOs. maximum source current IOs. maximum sink current even port pins (for example, P0[2] P1[4]) sink current port pins (for example, P0[3] P1[3]). IOL=5mA Maximum 50mA sink current even port pins (for example, P0[2] P1[4]) 50mA sink current port pins (for example, P0[1] P1[3]). 2.4<=VDD<=3.6V VDD= 3.6V VDD= 3.6V 3.6V. 2.7V. 3.6V Gross tested Package dependent. Temp 25°C. Package dependent. Temp 25°C. Notes
VOLP1
output voltage port pins
VIH1 VIH2 COUT
Input voltage Input high voltage Input voltage Input high voltage Input high voltage Input hysteresis voltage Input leakage Capacitive load pins input Capacitive load pins output
0.75 0.75
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CY8C20140
Specifications Parameter VPPOR0 VPPOR1 VLVD0 VLVD2 VLVD6 Description Value PPOR Trip VDD= 2.7V VDD= 3.3V, Value trip VDD= 2.7V VDD= 3.3V VDD= 2.39 2.75 3.98 2.36 2.60 2.45 2.92 4.05 2.40 2.65 2.51 2.99 4.12 Unit Notes must greater than equal 2.5V during startup, reset from XRES pin, reset from Watchdog.
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CY8C20140
Electrical Characteristics
5.0V 3.3V General Purpose Specifications Parameter TRise0 TRise1 TFall Description Rise time, strong mode, Cload 50pF, Port Rise time, strong mode, Cload 50pF, Port Fall time, strong mode, Cload 50pF, ports Unit Notes 3.0V 3.6V 4.75V 5.25V, 3.0V 3.6V, 3.0V 3.6V 4.75V 5.25V,
2.7V General Purpose Specifications Parameter TRise0 TRise1 TFall Description Rise time, strong mode, Cload 50pF, Port Rise time, strong mode, Cload 50pF, Port Fall time, strong mode, Cload 50pF, ports Unit Notes 2.4V 3.0V, 2.4V 3.0V, 2.4V 3.0V,
Specifications
Parameter FSCLI2C Description clock frequency Standard Mode Fast Mode Unit Notes Fast mode supported 3.0V
THDSTAI2C Hold time (repeated) START condition. After this period, first clock pulse generated. TLOWI2C THIGHI2C TSUSTAI2C period clock HIGH period clock Setup time repeated START condition
THDDATI2C Data hold time TSUDATI2C Data setup time TSUSTOI2C Setup time STOP condition TBUFI2C TSPI2C free time between STOP START condition Pulse width spikes suppressed input filter
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CY8C20140
Figure Definition Timing Fast/Standard Mode
Document Number: 001-17348 Rev.
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CY8C20140
Ordering Information
Ordering Code CY8C20140-LDX2I CY8C20140-SX2I Package Diagram 001-09116 51-85068 Package Type COL[3] SOIC Operating Temperature Industrial Industrial
Thermal Impedances Package
Package
Typical JA[1] 79.96
SOIC
Solder Reflow Peak Temperature
Package COL[3] SOIC Minimum Peak Temperature[2] Maximum Peak Temperature
Notes Power Higher temperatures required based solder melting point. Typical temperatures solder with Sn-Pb with Sn-Ag-Cu paste. Refer solder manufacturer specifications. Earlier termed package.
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CY8C20140
Package Diagram
Figure Chip Lead Package Outline (SAWN) 001-09116 (Pb-Free)
DIMENSIONS MIN. MAX.
0.20
0.45 0.55
0.20 TYP. 0.05 0.60
(NOM) 0.152 REF.
0.30 0.18 0.50
SEATING PLANE
VIEW
SIDE VIEW
BOTTOM VIEW
PART LG16A LD16A
DESCRIPTION LEAD-FREE STANDARD
JEDEC MO-220 Package Weight: 0.014g
001-09116-*C
Figure (150-Mil) SOIC (51-85068)
51-85068-*B
Document Number: 001-17348 Rev.
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CY8C20140
Document History Page
Document Title: CY8C20140 CapSense Express- Configurable Document Number: 001-17348 REV. ECN. 1341766 1494145 Orig. Change TUP/VED TUP/AESA Datasheet Changed FINAL Datasheet Removed table 2.7V General Purpose Specifications Open Drain with pull 1.8V Updated Logic Block Diagram Removed Pinout Package Diagram 8-SOIC Removed table General Purpose Specifications Updated Logic Block Diagram Updated table Specifications Updated table Chip Level Specifications Updated table 3.3V General Purpose Specifications Updated table 2.7V General Purpose Specifications Updated table GPIO Specifications split into tables 5V/3.3V 2.7V Added section CapSense ExpressSoftware tool Updated 16-QFN Package Diagram Description Change
1773608
TUP/AESA
2091026
DZU/MOHD Updated table-DC Chip Level Specifications /AESA Updated table-Pin Definitions Updated table-Pin Definitions SOIC Updated table-5V 3.3V General Purpose Specifications Updated table 2.7V General Purpose Specifications Changed definition Timing Fast/Standard Mode diagram
Cypress Semiconductor Corporation, 2007-2008. information contained herein subject change without notice. Cypress Semiconductor Corporation assumes responsibility circuitry other than circuitry embodied Cypress product. does convey imply license under patent other rights. Cypress products warranted intended used medical, life support, life saving, critical control safety applications, unless pursuant express written agreement with Cypress. Furthermore, Cypress does authorize products critical components life-support systems where malfunction failure reasonably expected result significant injury user. inclusion Cypress products life-support systems application implies that manufacturer assumes risk such doing indemnifies Cypress against charges. Source Code (software and/or firmware) owned Cypress Semiconductor Corporation (Cypress) protected subject worldwide patent protection (United States foreign), United States copyright laws international treaty provisions. Cypress hereby grants licensee personal, non-exclusive, non-transferable license copy, use, modify, create derivative works compile Cypress Source Code derivative works sole purpose creating custom software firmware support licensee product used only conjunction with Cypress integrated circuit specified applicable agreement. reproduction, modification, translation, compilation, representation this Source Code except specified above prohibited without express written permission Cypress. Disclaimer: CYPRESS MAKES WARRANTY KIND, EXPRESS IMPLIED, WITH REGARD THIS MATERIAL, INCLUDING, LIMITED IMPLIED WARRANTIES MERCHANTABILITY FITNESS PARTICULAR PURPOSE. Cypress reserves right make changes without further notice materials described herein. Cypress does assume liability arising application product circuit described herein. Cypress does authorize products critical components life-support systems where malfunction failure reasonably expected result significant injury user. inclusion Cypress' product life-support systems application implies that manufacturer assumes risk such doing indemnifies Cypress against charges. limited subject applicable Cypress software license agreement.
Document Number: 001-17348 Rev.
Revised March 2008
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PSoC DesignerTM, Programmable System-on-ChipTM, PSoC Expressare trademarks PSoC® registered trademark Cypress Semiconductor Corp. other trademarks registered trademarks referenced herein property respective corporations. Purchase components from Cypress sublicensed Associated Companies conveys license under Philips Patent Rights these components system, provided that system conforms Standard Specification defined Philips. products company names mentioned this document trademarks their respective holders.
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CapSense Express- Configurable CapSense Expresscontroller allows

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