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Product Detailed Parameters
- Description：IC MCU 8BIT 16KB FLASH 44TQFP
- Series：PSOC™1 CY8C28xxx
- Mfr：Infineon Technologies
- Package：Tray
- Core Processor：M8C
- Core Size：8-Bit
- Speed：24MHz
- Connectivity：I2C, IrDA, SPI, UART/USART
- Peripherals：LVD, POR, PWM, WDT
- Number of I/O：40
- Program Memory Size：16KB (16K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：1K x 8
- Voltage - Supply (Vcc/Vdd)：3V ~ 5.25V
- Data Converters：A/D 4x14b; D/A 4x9b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：44-TQFP (10x10)
- Package / Case：44-LQFP
- Grade：-
- Qualification：-
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Overview
The CY8C28533-24AXI is an 8-bit microcontroller within the Infineon PSoC 1 family, utilizing the M8C core. It features 16 KB of Flash program memory and 1 KB of SRAM data storage. The device supports a maximum clock frequency of 24 MHz and operates within a voltage range of 3.0 V to 5.25 V. It includes up to 40 digital I/O pins, 12 regular analog blocks, 4 limited analog blocks, and CapSense capability. The package is TQFP-44.
Feature Summary
- Configurable mixed-signal architecture with programmable analog and digital peripherals
- Capacitive sensing (CapSense) support for touch interface applications
- Flexible GPIO configuration with multiple drive modes and interrupt capabilities
- Integrated system resources including low voltage detection and switch mode pump
Applications
- Consumer electronics requiring capacitive touch controls
- Industrial equipment monitoring and control systems
- Automotive interior modules and sensors
- Communication devices with mixed-signal requirements
Procurement Notes
Verify the specific ordering suffix against official Infineon documentation to ensure correct package type and temperature rating. Confirm that the component meets RoHS compliance standards required for your region. Check for any end-of-life notifications or alternative part recommendations from the manufacturer before finalizing procurement plans.
Selection Notes
Select this model when a design requires integrated capacitive sensing alongside standard mixed-signal processing. The CY8C28533 offers a balance of analog flexibility and digital I/O count suitable for compact designs. Ensure the application fits within the 16 KB Flash and 1 KB SRAM constraints while utilizing the available PSoC blocks for custom peripheral creation.
Part Context
This component belongs to the CY8C28xxx subgroup of the PSoC 1 Programmable System-on-Chip family. Devices in this series are designed to replace multiple traditional MCU components with a single chip solution. The CY8C28533 specifically provides a resource configuration optimized for applications needing CapSense functionality and moderate analog/digital block counts.
Replacement Considerations
Consult the official datasheet for cross-reference information. Verify compatibility with existing PCB footprints and firmware if substituting with other CY8C28xxx variants.
