CY8C21312-12PVXE

Overview

The CY8C21312-12PVXE is an 8-bit microcontroller from the Infineon PSoC family, utilizing the M8C core. It features 8 kB of Flash program memory and 512 bytes of SRAM data memory. The device operates with a maximum clock frequency of 12 MHz and supports a supply voltage range of 2.4 V to 5.25 V. It includes a 10-bit ADC with 28 channels, two timers/counters, and standard communication interfaces including I2C, SPI, and UART. The component is housed in an SSOP-20 package and functions within a temperature range of -40°C to +85°C.

Feature Summary

• Integrates CapSense technology for capacitive touch sensing applications using CSD methodology.
• Provides programmable analog and digital blocks allowing custom hardware acceleration via PSoC Designer software.
• Supports low-power operation modes suitable for battery-powered embedded systems.

Applications

• Capacitive touch interface controllers
• Battery-operated consumer electronics
• Industrial control panels

Procurement Notes

Verify current availability status as this specific part number may be subject to discontinuation or limited supply conditions. Confirm that the SSOP-20 package and 12 MHz speed variant match the design requirements. Ensure compliance with RoHS directives and check for moisture sensitivity levels prior to surface mount assembly processes.

Selection Notes

Select this component when a balance of processing power and analog integration is required for cost-sensitive designs. The 12 MHz speed offers sufficient performance for basic control tasks while maintaining low power consumption. Consider the 28-channel ADC capability if multiple sensor inputs are needed without external multiplexing.

Part Context

This MCU belongs to the CY8C21x34 series of Programmable System-on-Chip devices. It combines a standard 8-bit CPU with configurable analog and digital peripherals on a single die. This architecture reduces board space and component count compared to discrete solutions, enabling rapid prototyping through dedicated development tools.

Replacement Considerations

Check for CY8C21334 variants which offer similar specifications but may differ in pinout or peripheral configuration. Verify compatibility with existing firmware before substitution.