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Product Detailed Parameters
- Description：IC MCU 8BIT 16KB FLASH 28SSOP
- Series：PSOC™1 CY8C28xxx
- Mfr：Infineon Technologies
- Package：Tube
- Core Processor：M8C
- Core Size：8-Bit
- Speed：24MHz
- Connectivity：I2C, IrDA, SPI, UART/USART
- Peripherals：LVD, POR, PWM, WDT
- Number of I/O：24
- 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：28-SSOP
- Package / Case：28-SSOP (0.209", 5.30mm Width)
- Grade：-
- Qualification：-
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Overview
The CY8C28433-24PVXI is an 8-bit microcontroller within the Infineon PSoC 1 family, utilizing the M8C core processor with a maximum clock frequency of 24 MHz. It features 16 KB of Flash program memory and 1 KB of SRAM data storage. The device provides up to 44 digital I/O pins and supports industrial operating temperatures from -40 °C to +85 °C. Power supply ranges from 3.0 V to 5.25 V, with on-chip switched mode pump capability for operation down to 1.5 V.
Feature Summary
- Configurable analog and digital PSoC blocks allow custom peripheral creation
- Supports multiple communication interfaces including I2C, SPI, and UART
- Includes CapSense capacitive sensing technology for touch applications
- Features in-system serial programming and partial flash updates
Applications
- Consumer electronics requiring mixed-signal control
- Industrial equipment monitoring and automation
- White home appliances with user interface needs
- Communication baseband management systems
Procurement Notes
Verify component authenticity through authorized Infineon distributors or certified partners. Confirm RoHS compliance status via official documentation before integration. Ensure ESD handling protocols are followed during assembly. Check datasheet revisions for any silicon errata or recommended workarounds applicable to this specific batch.
Selection Notes
Select this model when high pin count and extensive analog resources are required. The CY8C28433 variant offers full analog block availability compared to segmented subgroups. Consider the SSOP-28 package constraints for PCB layout. Evaluate resource usage against the 12 digital and 12 regular analog block limits defined for this subgroup.
Part Context
This component belongs to the CY8C28xxx series of Programmable System-on-Chips. It shares architectural similarities with other members like the CY8C28403 but differs in available analog and digital block configurations. The part integrates mixed-signal capabilities into a single chip, reducing system component count.
Replacement Considerations
Direct substitutes include other CY8C284xx variants such as CY8C28403-24PVXI or CY8C28433-24PVIT, provided pinout and resource requirements match. Cross-family replacements require careful verification of register compatibility and peripheral availability.
