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Product Detailed Parameters
- Description：IC MCU 8BIT 8KB FLASH 20SSOP
- Series：PSOC®1 CY8C21xxx
- Mfr：Cypress Semiconductor Corp
- Package：Bulk,Tube
- Core Processor：M8C
- Core Size：8-Bit
- Speed：24MHz
- Connectivity：I2C, SPI, UART/USART
- Peripherals：POR, PWM, WDT
- Number of I/O：16
- Program Memory Size：8KB (8K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：512 x 8
- Voltage - Supply (Vcc/Vdd)：2.4V ~ 5.25V
- Data Converters：A/D 28x8b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：20-SSOP
- Package / Case：20-SSOP (0.209", 5.30mm Width)
- Grade：-
- Qualification：-
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Overview
The CY8C21334B-24PVXI is an 8-bit microcontroller from the PSoC 1 family, utilizing the M8C core. It features 8 KB of flash program memory and 512 bytes of RAM. The device operates at a maximum clock frequency of 24 MHz with a supply voltage range of 2.4 V to 5.25 V. It includes a 10-bit ADC, 16 I/O pins, and supports I2C, SPI, and UART/USART interfaces. Packaged in a 20-SSOP format, it functions within a temperature range of -40°C to 85°C.
Feature Summary
- Integrates configurable analog and digital peripherals on a single chip to reduce external component count.
- Includes CapSense technology for capacitive touch sensing capabilities.
- Features an internal oscillator and standard communication interfaces including I2C, SPI, and UART.
Applications
- Capacitive touch sensing applications
- Embedded control systems
- Industrial controllers
Procurement Notes
Verify the manufacturer designation, as sources list both Infineon Technologies and Cypress Semiconductor Corp due to corporate acquisition history. Confirm the package type is 20-SSOP and the operating temperature range matches design requirements. Ensure RoHS compliance documentation is available for regulatory adherence. Cross-reference the specific suffix PVXI to confirm pinout and thermal characteristics.
Selection Notes
Select this component when an 8-bit MCU with integrated analog capabilities and touch sensing is required. It is suitable for designs needing low pin counts with mixed-signal functionality. Consider the 20-SSOP package constraints for PCB layout. Evaluate if the 8 KB memory and 512-byte RAM suffice for the application firmware complexity.
Part Context
This part belongs to the PSoC 1 CY8C21xxx series, which combines an 8-bit M8C processor with programmable analog blocks. The series is designed for cost-sensitive embedded applications requiring mixed-signal processing. Cypress Semiconductor was acquired by Infineon Technologies, affecting branding but not the underlying architecture or specifications of the legacy parts.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Verify compatibility with alternative PSoC 1 variants such as the CY8C21534 series, noting differences in I/O count and package options like 28-SSOP.
