STM32WL55JC datasheet(1/147 Pages) STMICROELECTRONICS

Part #	STM32WL55JC

Description	Multiprotocol LPWAN dual core 32-bit Arm® Cortex®-M4/M0 LoRa®, (G)FSK, (G)MSK, BPSK, up to 256KB Flash, 64KB SRAM

PDF	147 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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1 / 147 page

This is information on a product in full production.

July 2021

DS13293 Rev 2

1/147

STM32WL55xx STM32WL54xx

Multiprotocol LPWAN dual core 32-bit Arm® Cortex®-M4/M0+

LoRa®, (G)FSK, (G)MSK, BPSK, up to 256KB Flash, 64KB SRAM

Datasheet

- production data

Features

Includes ST state-of-the-art patented

technology

Radio

• Includes ST state-of -the-art patented

technology

• Frequency range: 150 MHz to 960 MHz

• Modulation: LoRa®, (G)FSK, (G)MSK and

BPSK

• RX sensitivity: –123 dBm for 2-FSK

(at 1.2 Kbit/s), –148 dBm for LoRa®

(at 10.4 kHz, spreading factor 12)

• Transmitter high output power, programmable

up to +22 dBm

• Transmitter low output power, programmable

up to +15 dBm

• Compliant with the following radio frequency

regulations such as ETSI EN 300 220,

EN 300 113, EN 301 166, FCC CFR 47

Part 15, 24, 90, 101 and the Japanese ARIB

STD-T30, T-67, T-108

• Compatible with standardized or proprietary

protocols such as LoRaWAN®, Sigfox™,

W-MBus and more (fully open wireless

system-on-chip)

Ultra-low-power platform

• 1.8 V to 3.6 V power supply

• –40 °C to +105 °C temperature range

• Shutdown mode: 31 nA (VDD = 3 V)

• Standby (+ RTC) mode:

360 nA (VDD = 3 V)

• Stop2 (+ RTC) mode: 1.07 µA (VDD = 3 V)

• Active-mode MCU: < 72 µA/MHz (CoreMark®)

• Active-mode RX: 4.82 mA

• Active-mode TX: 15 mA at 10 dBm and 87 mA

at 20 dBm (LoRa® 125 kHz)

Core

• 32-bit Arm® Cortex®-M4 CPU

– Adaptive real-time accelerator (ART

Accelerator) allowing 0-wait-state

execution from Flash memory, frequency

up to 48 MHz, MPU and DSP instructions

– 1.25 DMIPS/MHz (Dhrystone 2.1)

• 32-bit Arm®Cortex®-M0+ CPU

– Frequency up to 48 MHz, MPU

– 0.95 DMIPS/MHz (Dhrystone 2.1)

Security and identification

• Hardware encryption AES 256-bit

• True random number generator (RNG)

• Sector protection against read/write operations

(PCROP, RDP, WRP)

• CRC calculation unit

• Unique device identifier (64-bit UID compliant

with IEEE 802-2001 standard)

• 96-bit unique die identifier

• Hardware public key accelerator (PKA)

• Key management services

• Secure sub-GHz MAC layer

• Secure firmware update (SFU)

• Secure firmware install (SFI)

UFQFPN48

(7 x 7 mm)

UFBGA73

(5 x 5 mm)

WLCSP59

www.st.com

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