CY8C4247FNI-BL473T

Overview

The CY8C4247FNI-BL473T is a PSoC™ 4 MCU with AIROC™ Bluetooth® LE based on the Arm® Cortex®-M0 CPU. It integrates a 48-MHz processor, up to 256 KB of flash memory, and 32 KB of SRAM. The device features a Bluetooth® LE 4.2 radio subsystem supporting master and slave modes. Programmable analog blocks include four opamps, two comparators, and a 12-bit SAR ADC. Digital resources consist of four Universal Digital Blocks (UDBs) and multiple serial communication blocks.

Feature Summary

• Integrates an Arm® Cortex®-M0 CPU with single-cycle multiply and DMA capabilities for efficient processing.
• Includes an integrated Bluetooth® LE 4.2 radio subsystem with digital PHY and link-layer engine.
• Features programmable analog blocks with configurable opamps, comparators, and high-resolution SAR ADC.
• Provides flexible digital logic through Universal Digital Blocks (UDBs) and reconfigurable serial communication interfaces.

Applications

• Bluetooth® Low Energy wireless sensor nodes
• Smart home and IoT devices requiring low-power connectivity
• Wearable electronics with capacitive sensing needs
• Industrial control systems utilizing programmable analog I/O

Procurement Notes

Verify the specific package type and ordering suffix against the manufacturer's official datasheet before procurement. Confirm that the selected variant matches the required pin count and thermal specifications for the target application environment. Ensure compatibility with the PSoC Creator design tools and check for any regional supply restrictions or lifecycle status updates directly from Infineon Technologies.

Selection Notes

Select this component when a design requires both programmable mixed-signal peripherals and integrated Bluetooth® LE connectivity. The device is suitable for applications needing in-field tunability of analog circuits alongside wireless data transmission. Consider the available GPIO count and memory size relative to the firmware complexity and peripheral requirements of the specific project scope.

Part Context

This part belongs to the PSoC™ 4 CY8C4xxx-BL family, which combines microcontroller functionality with AIROC™ Bluetooth® LE technology. The family is designed for scalable embedded systems, offering a reconfigurable architecture that allows designers to optimize power consumption and performance. It supports various development kits and provides extensive software libraries for rapid prototyping.

Replacement Considerations

Consult the official product selector guide for direct replacements within the CY8C42xx-BL series. Verify pin-to-pin compatibility and memory capacity when considering alternative packages or variants. Cross-reference the specific ordering suffix to ensure identical electrical characteristics and package dimensions.

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 algorithms for robust capacitive sensing designs.

What are the available low-power modes?

The device supports Active, Sleep, Deep Sleep, Hibernate, and Stop modes to optimize power consumption for different operational states.