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CY8C21634, CY8C21534
CY8C21434, CY8C21334, CY8C21234
PSoC
®
Programmable System-on-Chip™
Cypress Semiconductor Corporation • 198 Champion Court • San Jose, CA 95134-1709 • 408-943-2600
Document Number: 38-12025 Rev. *O Revised April 06, 2009
Features
■ Powerful Harvard Architecture Processor
❐ M8C Processor Speeds to 24 MHz
❐ Low power at high speed
❐ 2.4V to 5.25V Operating Voltage
❐ Operating Voltages Down to 1.0V using On-Chip Switch
Mode Pump (SMP)
❐ Industrial Temperature Range: -40°C to +85°C
■ Advanced Peripherals (PSoC
®
Blocks)
❐ 4 Analog Type “E” PSoC Blocks provide:
• 2 Comparators with DAC Refs
• Single or Dual 8-Bit 28 Channel ADC
❐ 4 Digital PSoC Blocks provide:
• 8 to 32-Bit Timers, Counters, and PWMs
• CRC and PRS Modules
• Full-Duplex UART, SPI™ Master or Slave
• Connectable to All GPIO Pins
❐ Complex Peripherals by Combining Blocks
■ Flexible On-Chip Memory
❐ 8K Flash Program Storage 50,000 Erase/Write Cycles
❐ 512 Bytes SRAM Data Storage
❐ In-System Serial Programming (ISSP)
❐ Partial Flash Updates
❐ Flexible Protection Modes
❐ EEPROM Emulation in Flash
■ Complete Development Tools
❐ Free Development Software
(PSoC Designer™)
❐ Full-Featured, In-Circuit Emulator and Programmer
❐ Full Speed Emulation
❐ Complex Breakpoint Structure
❐ 128K Trace Memory
■ Precision, Programmable Clocking
❐ Internal ±2.5% 24/48 MHz Oscillator
❐ Internal Oscillator for Watchdog and Sleep
■ Programmable Pin Configurations
❐ 25 mA Sink, 10 mA Drive on All GPIO
❐ Pull Up, Pull Down, High Z, Strong, or Open Drain Drive
Modes on All GPIO
❐ Up to 8 Analog Inputs on GPIO
❐ Configurable Interrupt on All GPIO
■ Versatile Analog Mux
❐ Common Internal Analog Bus
❐ Simultaneous Connection of IO Combinations
❐ Capacitive Sensing Application Capability
■ Additional System Resources
❐ I
2
C Master, Slave and Multi-Master to 400 kHz
❐ Watchdog and Sleep Timers
❐ User-Configurable Low Voltage Detection
❐ Integrated Supervisory Circuit
❐ On-Chip Precision Voltage Reference
Logic Block Diagram
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