CY8C4128FNI-BL573T

RF Transceiver ICS Overview

The CY8C4128FNI-BL573T is a radio frequency microcontroller from the PSoC™ 4 BLE series, manufactured by Infineon Technologies. It integrates an ARM Cortex-M0 core with a maximum clock frequency of 24 MHz. The device features 256 kB of Flash program memory and 32 kB of SRAM data RAM. It supports Bluetooth Low Energy (BLE) connectivity at 2.4 GHz. Key peripherals include four timers/counters/PWM modules, two operational amplifiers, and two comparators. The unit offers 36 GPIO pins and interfaces such as I2C, SPI, and UART. It operates within a voltage range of 1.9 V to 5.5 V and functions across temperatures from -40 °C to 85 °C.

RF Transceiver ICS Feature Summary

• Integrates Bluetooth Low Energy wireless connectivity with an ARM Cortex-M0 processor for efficient IoT applications.
• Includes programmable analog and digital blocks featuring operational amplifiers, comparators, and capacitive sensing capabilities.
• Provides flexible serial communication interfaces including I2C, SPI, and UART alongside multiple timer and PWM modules.

RF Transceiver ICS Applications

• Bluetooth Low Energy sensor nodes
• IoT wearable devices
• Smart home actuators

RF Transceiver ICS Procurement Notes

Verify the specific ordering suffix BL573T to ensure correct package type and tape/reel configuration. Confirm that the required firmware libraries align with the PSoC Creator or ModusToolbox development environments. Check RoHS compliance status and humidity sensitivity classification prior to assembly planning. Ensure the selected variant matches the intended memory size and peripheral availability requirements.

RF Transceiver ICS Selection Notes

Select this component when a low-power ARM Cortex-M0 solution with integrated BLE is required. Compare against other PSoC 4 BLE variants based on specific Flash/RAM capacity needs and pin count constraints. Evaluate the available analog blocks if signal conditioning is necessary. Consider the operating temperature range and supply voltage limits for the target environment.

RF Transceiver ICS Part Context

This part belongs to the Infineon PSoC™ 4 BLE family, designed for cost-sensitive wireless applications. It combines processing power with configurable analog and digital resources in a compact form factor. The series targets developers needing rapid prototyping for connected devices using standard Bluetooth protocols.

RF Transceiver ICS Replacement Considerations

Public confirmed substitute part numbers are not provided in the source material. Consult official Infineon documentation for cross-reference information regarding alternative packages or memory configurations within the same product line.