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CY8C20234_10 Datasheet, PDF (1/23 Pages) Cypress Semiconductor – Automotive PSoC® Programmable System-on-Chip
CY8C20234
Automotive PSoC®
Programmable System-on-Chip
Features
■ Low power CapSense® block
❐ Configurable capacitive sensing elements
❐ Supports combination of CapSense buttons, sliders, touch-
pads, and proximity sensors
■ AEC qualified
■ Powerful Harvard architecture processor
❐ M8C processor speeds up to 12 MHz
❐ Low power at high speed
❐ 3.0V to 5.25V operating voltage
❐ Automotive temperature range: -40°C to +85°C
■ Flexible on-chip memory
❐ 8 KB of Flash program storage, 1000 erase/write cycles
❐ 512 bytes of SRAM data storage
❐ Partial Flash updates
❐ Flexible protection modes
❐ In-System Serial Programming (ISSP)
■ Complete development tools
❐ Free development tool (PSoC Designer™)
❐ Full featured, In-Circuit Emulator (ICE) and Programmer
❐ Full speed emulation
❐ Complex breakpoint structure
❐ 128 KB trace memory
■ Precision, programmable clocking
❐ Internal ±5% 6/12 MHz oscillator
❐ Internal low speed, low power oscillator for Watchdog and
Sleep functionality
■ Programmable pin configurations
❐ 20 mA Sink on all General Purpose I/O (GPIO)
❐ Pull up, High Z, open drain, and strong drive modes on all
GPIO
❐ Up to 13 analog inputs on GPIO
❐ Configurable inputs on all GPIO
❐ Selectable, Regulated Digital I/O on Port 1
• 3.0V, 2.4V, and 1.8V Regulation Available
• Up to 5 mA Source on Port 1 GPIO
■ Versatile analog mux
❐ Common internal analog bus
❐ Simultaneous connection of I/O combinations
❐ Comparator noise immunity
■ Additional system resources
❐ Configurable communication speeds
• I2C™: Selectable to 50 kHz, 100 kHz, or 400 kHz
• SPI: Configurable between 46.9 kHz and 12 MHz
❐ 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 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: 001-54650 Rev. *D
• San Jose, CA 95134-1709 • 408-943-2600
Revised March 30, 2010
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