CapSense Controller. CY8C20447 Datasheet

CY8C20447 Controller. Datasheet pdf. Equivalent

CY8C20447 Datasheet
Recommendation CY8C20447 Datasheet
Part CY8C20447
Description 1.8V CapSense Controller
Feature CY8C20447; CY8C20xx7/S 1.8 V CapSense® Controller with SmartSense™ Auto-tuning 31 Buttons, 6 Sliders, Proximity.
Manufacture Cypress Semiconductor
Datasheet
Download CY8C20447 Datasheet




Cypress Semiconductor CY8C20447
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



Cypress Semiconductor CY8C20447
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



Cypress Semiconductor CY8C20447
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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