CY8C21634B, CY8C21534B, CY8C21434B
CY8C21334B, CY8C21234B
PSoC® Programmable System-on-Chip™
■ SmartSense™ Auto-Tuning user module:
❐ SmartSense Auto-Tuning is easy to use and provides robust
noise immunity.
❐ SmartSense tunes your CapSense system automatically at
power up and monitors the system in real time to maintain
optimum performance.
❐ SmartSense significantly reduces design cycle time by
eliminating the tuning process from prototype to mass
production.
Features
■ Powerful Harvard-architecture processor
❐ M8C processor speeds up to 24 MHz
❐ Low power at high speed
❐ Operating voltage: 2.4 V to 5.25 V
❐ Operating voltages down to 1.0 V using on-chip switch mode
pump (SMP)
❐ Industrial temperature range: –40 °C to +85 °C
■ Advanced peripherals (PSoC® blocks)
❐ Four analog Type E PSoC blocks provide:
• Two comparators with digital-to-analog converter (DAC)
references
❐ SmartSense allows maximum production flexibility by
compensating for variations caused by using multiple
manufacturing sites and vendors.
■ Versatile analog mux
❐ Common internal analog bus
• Single or dual 10-bit 28 channel analog-to-digital
converters (ADC)
❐ Simultaneous connection of I/O combinations
❐ Capacitive sensing application capability
❐ Four digital PSoC blocks provide:
• 8- to 32-bit timers, counters, and pulse width modulators
(PWMs)
• Cyclical redundancy check (CRC) and pseudo random
sequence (PRS) modules
■ Additional system resources
❐ I2C master, slave, and multi-master to 400 kHz
❐ Watchdog and sleep timers
❐ User-configurable low-voltage detection (LVD)
❐ Integrated supervisory circuit
❐ On-chip precision voltage reference
• Full-duplex universal asynchronous receiver transmitter
(UART), serial peripheral interface (SPI) master or slave
• Connectable to all general purpose I/O (GPIO) pins
❐ Complex peripherals by combining blocks
Logic Block Diagram
■ Flexible on-chip memory
❐ 8 KB flash program storage 50,000 erase/write cycles
❐ 512 bytes static random access memory (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 (ICE) and programmer
❐ Full-speed emulation
❐ Complex breakpoint structure
❐ 128-KB trace memory
■ Precision, programmable clocking
❐ Internal ±2.5% 24- / 48-MHz main oscillator
❐ Internal oscillator for watchdog and sleep
■ Programmable pin configurations
❐ 25-mA sink, 10-mA source on all GPIOs
❐ Pull-up, pull-down, high Z, strong, or open-drain drive modes
on all GPIOs
❐ Up to eight analog inputs on GPIOs
❐ Configurable interrupt on all GPIOs
Cypress Semiconductor Corporation
Document Number: 001-67345 Rev. *A
•
198 Champion Court
•
San Jose, CA 95134-1709
•
408-943-2600
Revised May 13, 2011
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