STM32WL33CCV7ATR

RF Transceiver ICS Overview

The STM32WL33CCV7ATR is a Sub-GHz wireless microcontroller featuring an Arm Cortex-M0+ core operating at 64 MHz. It integrates 256 Kbytes of Flash memory and 32 Kbytes of SRAM within a VQFN-48 package. The device supports supply voltages from 1.7 V to 3.6 V and operates between -40°C and +105°C. Key RF parameters include a frequency range of 413–479 MHz and 826–958 MHz, with RX sensitivity reaching -132 dBm. It includes 32 I/Os, an 8-channel 12-bit ADC, and interfaces such as SPI, I2C, and UART.

RF Transceiver ICS Feature Summary

• Integrates a single-core Arm Cortex-M0+ processor with up to 256 Kbytes of Flash and 32 Kbytes of SRAM for efficient code execution.
• Features a sub-1 GHz radio supporting multiple modulation schemes including GFSK, OOK, and DSSS for diverse wireless protocols.
• Includes dedicated peripherals such as an LCD driver, LC sensor controller, and AES-128 security engine for specialized applications.

RF Transceiver ICS Applications

• Smart metering and utility automation
• Industrial IoT sensors and actuators
• Home automation and KNX-RF systems

RF Transceiver ICS Procurement Notes

Verify the specific suffix 'ATR' corresponds to the tape and reel packaging configuration required for automated surface-mount assembly processes. Confirm that the industrial temperature grade (-40°C to +105°C) aligns with the environmental constraints of the target deployment scenario. Ensure compatibility with the 48-VFQFPN exposed pad footprint during PCB layout design to maintain thermal and electrical performance standards.

RF Transceiver ICS Selection Notes

Select this component when a balance of moderate memory capacity and high RF sensitivity is required for Sub-GHz applications. The 256 KB Flash and 32 KB RAM support complex protocol stacks compared to lower-tier variants. Consider the integrated LCD driver and sensor controller if display or flow sensing functionality is needed without additional discrete components.

RF Transceiver ICS Part Context

This part belongs to the STM32WL33xx series, designed for ultra-low power wireless applications in the Sub-GHz band. It targets markets requiring long-range connectivity with low energy consumption, utilizing the single-core Cortex-M0+ architecture to optimize processing efficiency while maintaining strict power budgets for battery-operated devices.

RF Transceiver ICS Replacement Considerations

STM32WL33CCV7TR (same specifications, standard reel packaging).