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CapSense Controller. CY8C20247S Datasheet |
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CY8C20xx7/S
1.8 V CapSense® Controller with SmartSense™
Auto-tuning 31 Buttons, 6 Sliders, Proximity Sensors
1.8 V CapSense® Controller with SmartSense™ Auto-tuning 31 Buttons, 6 Sliders, Proximity Sensors
Features
■ QuietZone™ Controller
❐ Patented Capacitive Sigma Delta PLUS (CSD PLUS™)
sensing algorithm for robust performance
❐ High Sensitivity (0.1 pF) and best-in-class SNR performance
to support:
• Overlay thickness of 15 mm for glass and 5 mm plastic
• Proximity Solutions
❐ Superior noise immunity performance against conducted and
radiated noise and ultra low radiated emissions
• Standardized user modules for overcoming noise
■ Low power CapSense® block with SmartSense Auto-tuning
❐ Low average power consumption –
• 28 µA/sensor in run time (wake-up and scan once every
125 ms)
❐ SmartSense_EMC_PLUS Auto-Tuning
• Sets and maintains optimal sensor performance during run
time
• Eliminates system tuning during development and
production
• Compensates for variations in manufacturing process
■ Driven shield available on five GPIO pins
❐ Delivers best-in class water tolerant designs
❐ Robust proximity sensing in the presence of metal objects
❐ Supports longer trace lengths
❐ Max load of 100 pF (3 MHz)
■ Powerful Harvard-architecture processor
❐ M8C CPU with a max speed of 24 MHz
■ Operating Range: 1.71 V to 5.5 V
❐ Standby Mode 1.1 μA (Typ)
❐ Deep Sleep 0.1 μA (Typ)
■ Operating Temperature range: –40 oC to +85 oC
■ Flexible on-chip memory
❐ 8 KB flash, 1 KB SRAM
❐ 16 KB flash, 2 KB SRAM
❐ 32 KB flash, 2 KB SRAM
❐ 50,000 flash erase/write cycles
❐ Read while Write with EEPROM emulation
❐ In-system programming simplifies manufacturing process
■ 4 Clock Sources
❐ Internal main oscillator (IMO): 6/12/24 MHz
❐ Internal low-speed oscillator (ILO) at 32 kHz for watchdog
and sleep timers
❐ External 32 KHz Crystal Oscillator
❐ External Clock Input
■ Programmable pin configurations
❐ Up to 34 general-purpose I/Os (GPIOs)
❐ Dual mode GPIO (Analog and Digital)
❐ High sink current of 25 mA per GPIO
• Max sink current 120 mA for all I/Os combined
❐ Source Current
• 5 mA on ports 0 and 1
• 1 mA on ports 2, 3 and 4
❐ Configurable internal pull-up, high-Z and open drain modes
❐ Selectable, regulated digital I/O on port 1
❐ Configurable input threshold on port 1
■ Versatile Analog functions
❐ Internal analog bus supports connection of multiple sensors
to form ganged proximity sensor
❐ Internal Low-Dropout voltage regulator for high power supply
rejection ratio (PSRR)
■ Additional system resources
❐ I2C Slave:
• Selectable to 50 kHz, 100 kHz, or 400 kHz
• Selectable Clock stretch or Forced Nack Mode
• I2C wake from sleep with Hardware address match
❐ 12 MHz (Configurable) SPI master and slave
❐ Three 16-bit timers
❐ Watchdog and sleep timers
❐ Integrated supervisory circuit
❐ 10-bit incremental analog-to-digital converter (ADC) with
internal voltage reference
❐ Two general-purpose high speed, low power analog
comparators
■ Complete development tools
❐ Free development tool (PSoC Designer™)
■ Sensor and Package options
❐ 10 Sensing Inputs – 16-pin QFN, 16-pin SOIC
❐ 16 Sensing Inputs – 24-pin QFN
❐ 24 Sensing Inputs – 30-pin WLCSP
❐ 25 Sensing Inputs – 32-pin QFN
❐ 31 Sensing Inputs – 48-pin QFN
Errata: For information on silicon errata, see “Errata” on page 38. Details include trigger conditions, devices affected, and proposed workaround.
Cypress Semiconductor Corporation • 198 Champion Court
Document Number: 001-69257 Rev. *Q
• San Jose, CA 95134-1709 • 408-943-2600
Revised May 11, 2018
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CY8C20xx7/S
Logic Block Diagram
PSoC CORE
Port 4 Port 3
Port 2
Port 1
Port 0
1.8/2.5/3 V
LDO
PWRSYS [1]
(Regulator)
SYSTEM BUS
Global Analog Interconnect
1K/2K
SRAM
Interrupt
Controller
Supervisory ROM (SROM)
8K/16K/ 32K Flash
Nonvolatile Memory
CPU Core(M8C)
Sleep and
Watchdog
6/12/24 MHz Internal Main Oscillator
( IMO)
Internal Low Speed Oscillator ( ILO)
Multiple Clock Sources
CAPSENSE
SYSTEM
Comparator #1
Comparator #2
SYSTEM BUS
CapSense
Module
Analog
Reference
Analog
Mux
I2C
Slave
Internal
Voltage
References
System
Resets
POR
and
LVD
SPI
Master/
Slave
SYSTEM RESOURCES
Three 16-Bit
Programmable
Timers
Digital
Clocks
Note
1. Internal voltage regulator for internal circuitry
Document Number: 001-69257 Rev. *Q
Page 2 of 46
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CY8C20xx7/S
Contents
PSoC® Functional Overview ............................................ 4
PSoC Core .................................................................. 4
CapSense System ....................................................... 4
Additional System Resources ..................................... 5
Getting Started .................................................................. 5
Application Notes/Design Guides ................................ 5
Development Kits ........................................................ 5
Training ....................................................................... 5
CYPros Consultants .................................................... 5
Solutions Library .......................................................... 5
Technical Support ....................................................... 5
Designing with PSoC Designer ....................................... 6
Select Components ..................................................... 6
Configure Components ............................................... 6
Organize and Connect ................................................ 6
Generate, Verify, and Debug ....................................... 6
Pinouts .............................................................................. 7
16-pin SOIC (10 Sensing Inputs) ................................ 7
16-pin QFN (10 Sensing Inputs)[9] .............................. 8
24-pin QFN (16 Sensing Inputs)[15] ............................ 9
30-ball WLCSP (24 Sensing Inputs) .......................... 10
32-pin QFN (25 Sensing Inputs)[26] .......................... 11
48-pin QFN (31 Sensing Inputs)[32] .......................... 12
Electrical Specifications ................................................ 13
Absolute Maximum Ratings ....................................... 13
Operating Temperature ............................................. 13
DC Chip-Level Specifications .................................... 14
DC GPIO Specifications ............................................ 15
DC Analog Mux Bus Specifications ........................... 17
DC Low Power Comparator Specifications ............... 17
Comparator User Module Electrical Specifications ... 18
ADC Electrical Specifications .................................... 18
DC POR and LVD Specifications .............................. 19
DC Programming Specifications ............................... 19
DC I2C Specifications ............................................... 20
Shield Driver DC Specifications ................................ 20
DC IDAC Specifications ............................................ 20
AC Chip-Level Specifications .................................... 21
AC General Purpose I/O Specifications .................... 22
AC Comparator Specifications .................................. 22
AC External Clock Specifications .............................. 22
AC Programming Specifications ................................ 23
AC I2C Specifications ................................................ 24
Packaging Information ................................................... 27
Thermal Impedances ................................................. 30
Capacitance on Crystal Pins ..................................... 30
Solder Reflow Peak Temperature ............................. 30
Development Tool Selection ......................................... 31
Software .................................................................... 31
Development Kits ...................................................... 31
Evaluation Tools ........................................................ 31
Device Programmers ................................................. 32
Third Party Tools ....................................................... 32
Ordering Information ...................................................... 33
Ordering Code Definitions ......................................... 34
Acronyms ........................................................................ 35
Reference Documents .................................................... 35
Document Conventions ............................................. 35
Units of Measure ....................................................... 35
Numeric Naming ........................................................ 36
Glossary .......................................................................... 36
Errata ............................................................................... 37
CY8C20xx7/S Qualification Status ............................ 37
CY8C20xx7/S Errata Summary ................................. 37
Document History Page ................................................. 41
Sales, Solutions, and Legal Information ...................... 45
Worldwide Sales and Design Support ....................... 45
Document Number: 001-69257 Rev. *Q
Page 3 of 46
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