CY8C21512-12PVXE

Overview

The CY8C21512-12PVXE is an 8-bit microcontroller from the Infineon PSoC™ 2100 series, featuring an M8C core with a maximum operating frequency of 12 MHz. It integrates 8 kB of Flash program memory and 512 bytes of SRAM. The device includes a Delta-Sigma ADC with 10-bit resolution at a sampling rate of 5.9 ksps. It supports CapSense™ technology with one channel using CSD technique for capacitive touch sensing. The component provides 24 GPIO pins, including 20 dedicated CapSense I/Os, and offers a single I2C interface. It operates within a voltage range of 3 V to 5.25 V and functions across a temperature range of -40 °C to 125 °C.

Feature Summary

• Integrates CapSense Plus technology with CSD technique for reliable capacitive touch sensing capabilities
• Includes a Delta-Sigma analog-to-digital converter for high-resolution signal acquisition
• Features an 8-bit M8C processor core optimized for low-power embedded applications
• Provides flexible general-purpose input/output pins with configurable digital interfaces

Applications

• Capacitive touch control panels for consumer electronics
• Battery-powered portable devices requiring low power consumption
• Industrial control systems with sensor interfacing needs
• Smart home automation interfaces

Procurement Notes

Verify the specific ordering suffix PVXE to confirm the SSOP-28 package type and lead finish specifications. Ensure compatibility with the required operating voltage range of 3 V to 5.25 V for your target application. Confirm that the 12 MHz clock speed meets your processing requirements. Check for any end-of-life notifications or discontinuance alerts associated with this specific part number before finalizing procurement plans.

Selection Notes

Select this component when a balance of processing capability and integrated touch sensing is required. The M8C core suits applications needing efficient code execution without complex OS overhead. The built-in Delta-Sigma ADC eliminates external components for precision measurements. Consider the 24-pin SSOP package for space-constrained designs. Evaluate if the 12 MHz speed is sufficient compared to higher-frequency alternatives in the PSoC family.

Part Context

This microcontroller belongs to the PSoC™ 2100 series, designed for cost-sensitive and power-efficient embedded solutions. It combines programmable analog and digital blocks with a standard 8-bit CPU. The series emphasizes ease of development through integrated peripherals like CapSense and ADCs, reducing bill of materials complexity for designers focusing on human-machine interaction and sensor-based controls.

FAQ

What type of capacitive sensing technology does the CY8C21512 support?

It supports CapSense Plus technology using the Capacitive Sensing Difference (CSD) method for detecting touch inputs.

Is there a hardware SPI interface available on this chip?

No, the datasheet indicates zero hardware SPI modules; only I2C is listed as a supported serial communication interface.

What is the maximum sampling rate of the integrated ADC?

The Delta-Sigma ADC operates at a maximum sampling rate of 5.9 ksps with 10-bit resolution.