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CY8C20234_09 Datasheet, PDF (1/34 Pages) Cypress Semiconductor – PSoC Programmable System-0n-Chip | |||
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CY8C20234, CY8C20334
CY8C20434, CY8C20534
PSoC® Programmable System-0n-Chipâ¢
Features
â Low Power CapSense⢠Block
â Configurable Capacitive Sensing Elements
â Supports Combination of CapSense Buttons, Sliders, Touch-
pads, and Proximity Sensors
â Powerful Harvard Architecture Processor
â M8C Processor Speeds Running up to 12 MHz
â Low Power at High Speed
â 2.4V to 5.25V Operating Voltage
â Industrial Temperature Range: -40°C to +85°C
â Flexible On-Chip Memory
â 8K Flash Program Storage
50,000 Erase/Write Cycles
â 512 Bytes SRAM Data Storage
â Partial Flash Updates
â Flexible Protection Modes
â Interrupt Controller
â In-System Serial Programming (ISSP)
â Complete Development Tools
â Free Development Tool (PSoC Designerâ¢)
â Full Featured, In-Circuit Emulator, and
Programmer
â Full Speed Emulation
â Complex Breakpoint Structure
â 128K Trace Memory
â Precision, Programmable Clocking
â Internal ±5.0% 6/12 MHz Main Oscillator
â Internal Low Speed Oscillator at 32 kHz for Watchdog and
Sleep
â Programmable Pin Configurations
â Pull Up, High Z, Open Drain, and CMOS Drive Modes on All
GPIO
â Up to 28 Analog Inputs on GPIO
â Configurable Inputs on All GPIO
â Selectable, Regulated Digital I/O on Port 1
⢠3.0V, 20 mA Total Port 1 Source Current
⢠5 mA Strong Drive Mode on Port 1 Versatile Analog Mux
â Common Internal Analog Bus
â Simultaneous Connection of I/O Combinations
â Comparator Noise Immunity
â Low Dropout Voltage Regulator for the Analog Array
â Additional System Resources
â Configurable Communication Speeds
⢠I2C: Selectable to 50 kHz, 100 kHz, or 400 kHz
⢠SPI: Configurable between 46.9 kHz and 3 MHz
â I2C Slave
â SPI Master and SPI Slave
â Watchdog and Sleep Timers
â Internal Voltage Reference
â Integrated Supervisory Circuit
Logic Block Diagram
PSoC
CORE
Port 3 Port 2 Port 1 Port 0 Config 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
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: 001-05356 Rev. *H
⢠San Jose, CA 95134-1709 ⢠408-943-2600
Revised April 16, 2009
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