STM32WL33KBV7

RF Transceiver ICS Overview

The STM32WL33KBV7 is a Sub-GHz Wireless Microcontroller from the STM32WL series, manufactured by STMicroelectronics. It features a single-core Arm Cortex-M0+ processor operating at up to 64 MHz. The device integrates 128 Kbytes of Flash memory and 32 Kbytes of SRAM. It supports multiple modulation schemes including 2(G)FSK, 4(G)FSK, ASK, and D-BPSK for LPWAN applications. Key peripherals include an 8-channel 12-bit ADC, LCD driver, and communication interfaces such as I2C, SPI, and UART. The unit operates within a voltage range of 1.7 V to 3.6 V and is housed in a VQFN-48 package.

RF Transceiver ICS Feature Summary

• Integrates ultra-low power sub-1GHz wireless capabilities with an Arm Cortex-M0+ core for extended battery life in wireless applications.
• Supports multiple modulation protocols including 2(G)FSK, 4(G)FSK, ASK, and D-BPSK for versatile long-range connectivity.
• Includes autonomous wake-up receiver functionality to minimize current consumption in always-on modes.

RF Transceiver ICS Applications

• Sub-GHz RF wireless applications in license-free ISM and SRD frequency bands
• Smart metering and utility automation systems
• IoT devices requiring low-power wide-area network (LPWAN) connectivity

RF Transceiver ICS Procurement Notes

Verify the specific part number suffix against official STMicroelectronics documentation to ensure correct memory configuration and package type. Confirm RoHS compliance status and humidity sensitivity handling requirements prior to ordering. Check regional availability and shipping restrictions through authorized distributors. Ensure the procurement source provides valid traceability and authenticity guarantees for electronic components.

RF Transceiver ICS Selection Notes

Select this component for designs requiring integrated Sub-GHz wireless transmission alongside MCU processing. The 128 KB Flash size suits moderate code storage needs compared to higher-capacity variants. Consider the VQFN-48 package constraints for PCB layout. Evaluate if the 64 MHz clock speed meets real-time processing requirements for the target application workload.

RF Transceiver ICS Part Context

This microcontroller belongs to the STM32WL family, designed for high-performance ultra-low power wireless applications. The family combines MCU capabilities with dual radio support, targeting global deployments in the 413-479 MHz and 826-958 MHz bands. It supports standards such as wM-Bus, 802.15.4g, Mioty, Sigfox, and KNX, offering a cost-effective system-on-chip solution.

RF Transceiver ICS Replacement Considerations

STM32WL33CCV7ATR: Offers similar architecture but with 256 KB Flash memory instead of 128 KB.

RF Transceiver ICS FAQ

What modulation schemes are supported by the STM32WL33KBV7?

The device supports 2(G)FSK, 4(G)FSK, ASK, and D-BPSK modulation schemes.

What is the maximum operating frequency of the CPU core?

The single-core Arm Cortex-M0+ processor can operate up to 64 MHz.