CY8C4247FNI-BL493T

Overview

The CY8C4247FNI-BL493T is a PSoC™ 4 MCU with AIROC™ Bluetooth® LE based on the Arm® Cortex®-M0 CPU. It features up to 256 KB of flash memory and 32 KB of SRAM, operating at a maximum frequency of 48 MHz. The device integrates a Bluetooth® Low Energy radio supporting version 4.2, a 12-bit SAR ADC, four opamps, two comparators, and programmable digital logic via Universal Digital Blocks (UDBs). It provides up to 36 GPIOs and supports multiple low-power modes including Deep Sleep and Hibernate.

Feature Summary

• Integrates an Arm® Cortex®-M0 processor with a hardware multiplier and DMA engine for efficient code execution.
• Includes an integrated Bluetooth® Low Energy radio subsystem with a 2.4-GHz transceiver and link-layer engine.
• Features reconfigurable analog blocks including opamps, comparators, and a high-resolution SAR ADC.
• Supports capacitive sensing applications through dedicated sigma-delta technology and automatic tuning algorithms.

Applications

• Bluetooth® Low Energy wireless sensor nodes
• Wearable health monitoring devices
• Smart home IoT peripherals
• Asset tracking tags

Procurement Notes

Verify component authenticity by checking manufacturer markings against official datasheet specifications. Confirm package type and ordering suffixes match design requirements. Ensure compliance with RoHS directives and check for end-of-life status before finalizing procurement plans.

Selection Notes

Select this model when a combination of ARM processing power and integrated Bluetooth connectivity is required. Consider the available flash and RAM sizes relative to application firmware needs. Evaluate the pin count and peripheral availability against system interface requirements.

Part Context

This component belongs to the PSoC™ 4 CY8C42xx-BL family, which combines programmable embedded system controllers with Bluetooth® Low Energy capabilities. The architecture allows for flexible analog and digital block configuration, enabling in-field tuning and reduced bill of materials compared to discrete solutions.

Replacement Considerations

Consult official Infineon selectors for direct replacements within the CY8C42xx-BL series. Verify compatibility regarding pinout, memory size, and package dimensions when substituting with other variants in the PSoC™ 4 portfolio.

FAQ

What is the maximum operating frequency of the CPU?

The Arm® Cortex®-M0 CPU operates at a maximum frequency of 48 MHz.

Does the device support capacitive sensing?

Yes, it includes Capacitive Sigma-Delta (CSD) technology with automatic hardware tuning for liquid tolerance.