Description

The CY8C20236-24LKXI is an application specific microcontroller from the PSoC® family. It is a programmable system-on-chip device that replaces multiple traditional MCU based system components with a single chip. This microcontroller includes configurable analog and digital blocks, programmable interconnect, a fast CPU, Flash program memory, SRAM data memory, and configurable I/O. With a range of convenient pinouts, it allows for customized peripheral configurations to match the requirements of each individual application.

Specifications and features

• Low Power CapSense™ Block:
  • Configurable Capacitive Sensing Elements
  • Supports Combination of CapSense Buttons, Sliders, Touchpads, and Proximity Sensors
• Powerful Harvard Architecture Processor:
  • M8C Processor Speeds Running up to 12 MHz
  • Low Power at High Speed
  • 2.4V to 5.25V Operating Voltage
  • Industrial Temperature Range: -40°C to +85°C
• Flexible On-Chip Memory:
  • 8K Flash Program Storage 50,000 Erase/Write Cycles
  • 512 Bytes SRAM Data Storage
  • Partial Flash Updates
  • Flexible Protection Modes
  • Interrupt Controller
  • In-System Serial Programming (ISSP)
• Complete Development Tools:
  • Free Development Tool (PSoC Designer™)
  • Full Featured, In-Circuit Emulator, and Programmer
  • Full Speed Emulation
  • Complex Breakpoint Structure
  • 128K Trace Memory
• Precision, Programmable Clocking:
  • Internal ±5.0% 6/12 MHz Main Oscillator
  • Internal Low Speed Oscillator at 32 kHz for Watchdog and Sleep
• Programmable Pin Configurations:
  • Pull Up, High Z, Open Drain, and CMOS Drive Modes on All GPIO
  • Up to 28 Analog Inputs on GPIO
  • Configurable Inputs on All GPIO
  • 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
  • Common Internal Analog Bus
  • Simultaneous Connection of I/O Combinations
  • Comparator Noise Immunity
  • Low Dropout Voltage Regulator for the Analog Array
• Additional System Resources:
  • Configurable Communication Speeds:
    • I2C: Selectable to 50 kHz, 100 kHz, or 400 kHz
    • SPI: Configurable between 46.9 kHz and 3 MHz
  • I2C Slave
  • SPI Master and SPI Slave
  • Watchdog and Sleep Timers
  • Internal Voltage Reference
  • Integrated Supervisory Circuit

Application Scenarios

The CY8C20236-24LKXI can be used in various application scenarios, including but not limited to:

• Capacitive touch sensing applications
• Embedded systems requiring low power consumption
• Industrial automation
• Internet of Things (IoT) devices
• Sensor networks

Comparison

• Integration of multiple system components into a single chip
• Configurable analog and digital blocks for customized peripheral configurations
• Low power consumption
• Wide operating voltage range
• Flexible on-chip memory options
• Complete development tools for easy software development
• Precision, programmable clocking options
• Configurable pin options for different application requirements
• Support for various communication protocols

• May require familiarity with the PSoC® development environment
• Limited maximum processor speed compared to some other microcontrollers
• Some features may not be applicable or necessary for certain applications