Features
■ Includes ST state-of-the-art patented technology
■ Ultra-low power sub-1GHz wireless system-on-chip
■ Programmable MCU – Core: Arm® Cortex®-M0+ 32-bit, running up to 64 MHz – Program memory: 64-Kbyte / 128-Kbyte / 256-Kbyte flash memory – Data memory: 16-Kbyte / 32-Kbyte SRAM (full retention) – Additional storage: 1-Kbyte OTP (user data)
■ Radio – Frequency bands: 159-185 MHz, 413-479 MHz, 826-958 MHz – Air data rate from 0.1 to 600 kbit/s – Programmable TX power up to +20dBm – RX sensitivity @ 1% BER: ◦ -132 dBm @300 bit/s 433 MHz OOK ◦ -128 dBm @300 bit/s 868 MHz 2(G)FSK ◦ -112 dBm @38.4 bit/s 868 MHz 2(G)FSK – Modulation schemes: ◦ 2(G)FSK, 2(G)MSK, 4(G)FSK ◦ OOK, ASK ◦ D-BPSK ◦ DSSS (direct sequence spread spectrum) ◦ I/Q channels data access ◦ Compatible with proprietary and standardized wireless protocols (W-MBUS, Sigfox, Mioty, KNX-RF, IEEE 802.15.4g, others) – Suitable for worldwide certifications: ◦ Europe: ETSI EN 300 220, category 1 compliant, ETSI EN 303 131 ◦ US: FCC part 15 and part 90 ◦ Japan: ARIB STD T67, T108 – Fully-configurable hardware sequencer for autonomous radio operations (Sniff mode, Frequency hopping, Low Duty Cycle mode, Listen before talk)
■ Wakeup radio receiver – Low power autonomous wakeup receiver (LPAWUR), featuring: ◦ OOK data receiver channel ◦ Sensitivity: -50 dBm ◦ Current consumption: 4 µA in always-on autonomous mode VFQFPN48 (6 x 6 mm) VFQFPN32 (5 x 5 mm) Product summary Reference Part number STM32WL33xx STM32WL33C8 STM32WL33CB STM32WL33CC STM32WL33K8 STM32WL33KB STM32WL33KC Multiprotocol LPWAN 32-bit MCU Arm® Cortex®-M0+ 2(G)FSK, 4(G)FSK, ASK, D-BPSK, up to 256KB flash, 32KB SRAM STM32WL33xx Datasheet DS14221 - Rev 5 - November 2024 For further information contact your local STMicroelectronics sales office.