STM32WL31KBV6

RF Transceiver ICS Overview

The STM32WL31KBV6 is a Sub-GHz Wireless MCU featuring a single-core Arm Cortex-M0+ processor running at 64 MHz. It integrates 64 Kbytes of Flash memory and 16 Kbytes of SRAM. The device supports multiple modulations including (G)FSK, (G)MSK, BPSK, OOK, ASK, and DSSS. It includes an ADC with 8 channels and 12-bit resolution. Operating voltage ranges from 1.7 V to 3.6 V.

RF Transceiver ICS Feature Summary

• Integrates a low-power microcontroller and a long-range energy-efficient sub-GHz radio on the same chip.
• Supports flexible wireless applications with LoRaWAN, Sigfox, W-MBUS, Mioty, Wi-Sun, or proprietary protocols.
• Includes internal features such as an LCD interface, LC sensor interface, DAC, comparator, and timer.

RF Transceiver ICS Applications

• Proprietary protocol implementations
• Mioty Rx-Tx systems
• WMBus applications
• Sigfox networks
• 802.15.4g compliance

RF Transceiver ICS Procurement Notes

Verify the specific suffix 'BV6' against official STMicroelectronics documentation to confirm package type and temperature range. Ensure compatibility with required wireless protocols before procurement. Cross-reference datasheet details for pinout and electrical characteristics to avoid integration errors during design-in.

RF Transceiver ICS Selection Notes

Select this component for ultra-low-power wireless connectivity requiring sub-GHz transmission. It is suitable for applications needing integrated security and system peripherals. Consider the Cortex-M0+ core performance for real-time processing needs alongside energy-efficient radio operation in constrained environments.

RF Transceiver ICS Part Context

This part belongs to the STM32WL series, which provides System-On-Chip solutions combining microcontrollers with long-range radios. The series supports various modulations and is designed for flexibility in wireless applications using open protocols like LoRaWAN and Sigfox.

RF Transceiver ICS Replacement Considerations

Official substitutes within the STM32WL family include variants like STM32WL5x/Ex for LoRa-enabled radio SoCs with Cortex-M4 & M0+ cores, or STM32WL3x for efficiency SoCs with Cortex-M0+ cores. Verify pin-to-pin compatibility and feature parity before substitution.

RF Transceiver ICS FAQ

What wireless protocols does the STM32WL31KBV6 support?

It supports LoRaWAN, Sigfox, W-MBUS, Mioty, Wi-Sun, and other suitable protocols in a fully open way.

What is the maximum clock frequency of the processor?

The single-core Arm Cortex-M0+ processor operates at a maximum frequency of 64 MHz.