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
4 Clock Sources
Features
Internal main oscillator (IMO): 6/12/24 MHz
QuietZone Controller
Internal low-speed oscillator (ILO) at 32 kHz for watchdog
and sleep timers
Patented Capacitive Sigma Delta PLUS (CSD PLUS)
sensing algorithm for robust performance
External 32 KHz Crystal Oscillator
High Sensitivity (0.1 pF) and best-in-class SNR performance
External Clock Input
to support:
Programmable pin configurations
Overlay thickness of 15 mm for glass and 5 mm plastic
Up to 34 general-purpose I/Os (GPIOs)
Proximity Solutions
Dual mode GPIO (Analog and Digital)
Superior noise immunity performance against conducted and
High sink current of 25 mA per GPIO
radiated noise and ultra low radiated emissions
Max sink current 120 mA for all I/Os combined
Standardized user modules for overcoming noise
Source Current
Low power CapSense block with SmartSense Auto-tuning
5 mA on ports 0 and 1
Low average power consumption
1 mA on ports 2, 3 and 4
28 A/sensor in run time (wake-up and scan once every
Configurable internal pull-up, high-Z and open drain modes
125 ms)
Selectable, regulated digital I/O on port 1
SmartSense_EMC_PLUS Auto-Tuning
Configurable input threshold on port 1
Sets and maintains optimal sensor performance during run
Versatile Analog functions
time
Internal analog bus supports connection of multiple sensors
Eliminates system tuning during development and
to form ganged proximity sensor
production
Internal Low-Dropout voltage regulator for high power supply
Compensates for variations in manufacturing process
rejection ratio (PSRR)
Driven shield available on five GPIO pins
Additional system resources
Delivers best-in class water tolerant designs
2
I C Slave:
Robust proximity sensing in the presence of metal objects
Selectable to 50 kHz, 100 kHz, or 400 kHz
Supports longer trace lengths
Selectable Clock stretch or Forced Nack Mode
Max load of 100 pF (3 MHz)
2
I C wake from sleep with Hardware address match
Powerful Harvard-architecture processor
12 MHz (Configurable) SPI master and slave
M8C CPU with a max speed of 24 MHz
Three 16-bit timers
Watchdog and sleep timers
Operating Range: 1.71 V to 5.5 V
Integrated supervisory circuit
Standby Mode 1.1 A (Typ)
10-bit incremental analog-to-digital converter (ADC) with
Deep Sleep 0.1 A (Typ)
internal voltage reference
o o
Operating Temperature range: 40 C to +85 C
Two general-purpose high speed, low power analog
comparators
Flexible on-chip memory
Complete development tools
8 KB flash, 1 KB SRAM
16 KB flash, 2 KB SRAM Free development tool (PSoC Designer)
32 KB flash, 2 KB SRAM
Sensor and Package options
50,000 flash erase/write cycles
10 Sensing Inputs 16-pin QFN, 16-pin SOIC
Read while Write with EEPROM emulation
16 Sensing Inputs 24-pin QFN
In-system programming simplifies manufacturing process
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 37. Details include trigger conditions, devices affected, and proposed workaround.
Cypress Semiconductor Corporation 198 Champion Court San Jose, CA 95134-1709 408-943-2600
Document Number: 001-69257 Rev. *P Revised May 19, 2017CY8C20xx7/S
Logic Block Diagram
1.8/2.5/3 V
PWRSYS
[1]
Port 4 Port 3 Port 2 Port 1 Port 0
LDO (Regulator)
PSoC CORE
SYSTEM BUS
Global Analog Interconnect
1K/2K
8K/16K/ 32K Flash
Supervisory ROM (SROM)
SRAM
Nonvolatile Memory
Interrupt
Sleep and
Controller CPU Core (M8C)
Watchdog
6/12/24 MHz Internal Main Oscillator
Internal Low Speed Oscillator (ILO)
(IMO)
Multiple Clock Sources
CAPSENSE Analog
Reference
SYSTEM
CapSense
Comparator #1 Module
Analog
Mux
Comparator #2
SYSTEM BUS
Internal POR SPI
Three 16-Bit
I2C System Digital
Voltage and Master/
Programmable
Slave Resets Clocks
References LVD Slave
Timers
SYSTEM RESOURCES
Note
1. Internal voltage regulator for internal circuitry
Document Number: 001-69257 Rev. *P Page 2 of 45