STM32WL33CBV6

RF Transceiver ICS Overview

The STM32WL33CBV6 is a Sub-GHz Wireless MCU featuring a single-core Arm Cortex-M0+ processor operating at up to 64 MHz. It integrates 128 Kbytes of Flash memory and 32 Kbytes of SRAM within a VFQFPN-32 package. The device supports a supply voltage range of 1.7 V to 3.6 V and operates between -40°C and +85°C. Key peripherals include an 8-channel, 12-bit ADC, USART, SPI, and I2C interfaces. It provides 32 general-purpose I/Os and includes security features such as AES-128 and RNG.

RF Transceiver ICS Feature Summary

• Integrates ultra-low power sub-1GHz wireless capabilities with programmable MCU architecture for efficient battery-powered operation.
• Supports multiple modulation schemes including OOK, ASK, 2(G)FSK, 4(G)FSK, D-BPSK, and DSSS for flexible protocol compatibility.
• Embeds comprehensive security hardware including AES-128 encryption, random number generation, and secure boot mechanisms.
• Features integrated analog peripherals such as a 12-bit ADC, analog comparators, and DAC for sensor interfacing.

RF Transceiver ICS Applications

• Smart metering and utility monitoring applications requiring long-range connectivity
• Industrial IoT sensors utilizing Sub-GHz bands like 433 MHz or 868 MHz
• Home automation devices supporting protocols such as KNX-RF or WMBus
• Low-power wide-area network (LPWAN) endpoints in the 915 MHz band

RF Transceiver ICS Procurement Notes

Verify the specific suffix 'CB' indicates the 128 KB Flash variant distinct from other STM32WL33 models. Confirm the VFQFPN-32 package type matches your PCB footprint requirements. Ensure compliance with RoHS directives and check humidity sensitivity classification for proper storage handling. Validate that the selected frequency band aligns with regional regulatory constraints for your target market deployment.

RF Transceiver ICS Selection Notes

Choose this component when a balance between moderate code capacity and low power consumption is required for Sub-GHz applications. The 128 KB Flash size suits complex protocol stacks while maintaining cost efficiency compared to larger variants. Select this part if the 32-pin form factor is constrained by board space limitations. Consider the integrated LCD driver and sensor controller if peripheral count reduction is necessary for the design.

RF Transceiver ICS Part Context

This microcontroller belongs to the STM32WL33xx series, designed specifically for Sub-GHz wireless applications. It combines an Arm Cortex-M0+ core with a dedicated wireless transceiver on a single chip. The series targets markets requiring reliable, long-range communication with minimal energy consumption, offering a high level of integration to reduce bill-of-materials costs.

RF Transceiver ICS Replacement Considerations

STM32WL33CCV6: Offers identical wireless features but with 256 KB Flash and a VFQFPN-48 package. STM32WL3RKBV6: Features different memory configuration and a VFQFPN-32 package, targeting remote control applications. Verify pin compatibility and software library support before substitution.