CY8C20224_11 Datasheet, PDF (1/40 Pages) Cypress Semiconductor – CapSense® PSoC® Programmable System-on-Chip™

CY8C20224, CY8C20324
CY8C20424, CY8C20524
CapSense^® PSoC^®
Programmable System-on-Chip™
CapSense® PSoC® Programmable System-on-Chip
Features
■ Low power, configurable CapSense^®
❐ Configurable capacitive sensing elements
❐ operating voltage
❐ Operating voltage: 2.4 V to 5.25 V
❐ Low operating current
• Active 1.5 mA (at 3.0 V, 12 MHz)
• Sleep 2.8 µA (at 3.3 V)
❐ Supports up to 25 capacitive buttons
❐ Supports one slider
❐ Up to 10 cm proximity sensing
❐ Supports up to 28 general-purpose I/O (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
GPIOs
❐ 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
■ 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
❐ 8 KB 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
• 128 KB 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
Logic Block Diagram
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. *K
• San Jose, CA 95134-1709 • 408-943-2600
Revised March 1, 2011
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