CY8C20224 Datasheet, PDF (1/34 Pages) Cypress Semiconductor – CapSense PSoC Programmable System-on-Chip

CY8C20224, CY8C20324
CY8C20424, CY8C20524
CapSense™ PSoC^® Programmable
System-on-Chip™
Features
■ Low Power, Configurable CapSense™
❐ Configurable capacitive sensing elements
❐ 2.4V to 5.25V operating voltage
❐ Low operating current
• Active 1.5 mA (at 3.0V, 12 MHz)
• Sleep 2.8 μA (at 3.3V)
❐ Supports up to 25 capacitive buttons
❐ Supports one slider
❐ Up to 10 cm proximity sensing
❐ Supports up to 28 General Purpose IO (GPIO) pins
• Drive LEDs and other outputs
❐ Configurable LED behavior (fading, strobing)
❐ LED color mixing (RBG LEDs)
❐ Pull Up, High Z, Open Drain, and CMOS drive modes on all
GPIO
❐ Internal ±5.0% 6 or12 MHz main oscillator
❐ Internal low speed oscillator at 32 kHz
❐ Low external component count
• No external crystal or oscillator components
• No external voltage regulator required
Logic Block Diagram
■ High Performance CapSense
❐ Ultra fast scan speed—1 kHz (nominal)
❐ Reliable finger detection through 5 mm thick acrylic
❐ Excellent EMI and AC noise immunity
■ Industry Best Flexibility
❐ 8K Flash program storage 50,000 Erase and Write cycles
❐ 512 bytes SRAM data storage
❐ Bootloader for ease of field reprogramming
❐ Partial Flash updates
❐ Flexible Flash protection modes
❐ Interrupt controller
❐ In-System Serial Programming (ISSP)
❐ Free complete development tool (PSoC Designer™)
❐ Full Featured, In-Circuit Emulator and Programmer
• Full speed emulation
• Complex breakpoint structure
• 128K trace memory
■ Additional System Resources
❐ Configurable communication speeds
❐ I²C Slave
❐ SPI Master and SPI Slave
❐ Watchdog and Sleep timers
❐ Internal voltage reference
❐ Integrated supervisory circuit
PSoC
CORE
Port 3 Port 2 Port 1 Port 0
3V LDO
System Bus
SRAM
512 Bytes
Interrupt
Controller
Global Analog Interconnect
SROM Flash 8K
CPU Core
(M8C)
Sleep and
Watchdog
6/12 MHz Internal Main Oscillator
ANALOG
SYSTEM
CapSense
Basic
Block
Analog
Ref.
I2C Slave/SPI
Master-Slave
POR and LVD
System Resets
Analog
Mux
SYSTEM RESOURCES
Cypress Semiconductor Corporation • 198 Champion Court
Document Number: 001-41947 Rev. *D
• San Jose, CA 95134-1709 • 408-943-2600
Revised April 15, 2009
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