STM32WB55CEU6
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STMicroelectronics STM32WB55CEU6

Manufacturer No:
STM32WB55CEU6
Manufacturer:
STMicroelectronics
Package:
Tray
Description:
ULTRA-LOW-POWER DUAL CORE ARM CO
Delivery:
Payment:
iso14001
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Product Introduction

Overview

The STM32WB55CEU6 is a multiprotocol wireless and ultra-low-power microcontroller unit (MCU) from STMicroelectronics. It combines the high-performance Arm® Cortex®-M4 32-bit RISC core with a dedicated Arm® Cortex®-M0+ co-processor for managing the 2.4 GHz radio, compliant with Bluetooth® Low Energy specification 5.2 and IEEE 802.15.4-2011. This device is designed for low-power applications and features advanced security mechanisms, extensive I/Os, and various communication interfaces.

Key Specifications

Parameter Specification
Core Arm® Cortex®-M4 32-bit RISC core, Arm® Cortex®-M0+ co-processor
Frequency Up to 64 MHz
Flash Memory Up to 1 Mbyte (STM32WB55xx), 512 Kbytes (specific to STM32WB55CEU6)
SRAM Up to 256 Kbytes
Power Supply 1.71 to 3.6 V
Operating Temperature -40 to +105 °C (+125 °C junction)
Communication Interfaces USART, LPUART, I2C, SPI, SAI, USB 2.0 FS, Quad-SPI
Wireless Protocol Bluetooth v5.2, Thread, Zigbee®
Package Style UFQFPN-48, Surface Mount
Number of I/O Lines 30
ADC 12-bit, up to 4.26 Msps
Timers 1x 32-bit, 5x 16-bit
Capacitive Sensing Channels Up to 18 channels (not on UFQFPN48 package)

Key Features

  • Ultra-low-power platform with various power-saving modes (13 nA shutdown mode, 600 nA Standby mode + RTC + 32 KB RAM, 2.1 µA Stop mode + RTC + 256 KB RAM)
  • Integrated balun and support for external PA
  • Advanced security features including AES encryption engines, PKA, RNG, and customer key storage
  • High-speed memories and Quad-SPI flash memory interface
  • Extensive range of enhanced I/Os and peripherals, including LCD driver and capacitive sensing channels
  • Comprehensive set of communication interfaces (USART, LPUART, I2C, SPI, SAI, USB 2.0 FS, Quad-SPI)
  • High efficiency SMPS step-down converter with automatic bypass mode

Applications

  • Remote sensors
  • Wearable trackers
  • Building automation controllers
  • Computer peripherals
  • Drones
  • IoT devices

Q & A

  1. What is the core architecture of the STM32WB55CEU6?

    The STM32WB55CEU6 features an Arm® Cortex®-M4 32-bit RISC core and a dedicated Arm® Cortex®-M0+ co-processor for managing the radio.

  2. What is the maximum frequency of the STM32WB55CEU6?

    The maximum frequency is up to 64 MHz.

  3. How much flash memory does the STM32WB55CEU6 have?

    The STM32WB55CEU6 has up to 512 Kbytes of flash memory.

  4. What are the operating temperature ranges for the STM32WB55CEU6?

    The operating temperature ranges are -40 to +105 °C (+125 °C junction).

  5. What wireless protocols does the STM32WB55CEU6 support?

    The device supports Bluetooth v5.2, Thread, and Zigbee®.

  6. What is the package style of the STM32WB55CEU6?

    The package style is UFQFPN-48, and it is surface mount.

  7. How many I/O lines does the STM32WB55CEU6 have?

    The device has 30 I/O lines.

  8. What are the power-saving modes available on the STM32WB55CEU6?

    The device features various power-saving modes including 13 nA shutdown mode, 600 nA Standby mode + RTC + 32 KB RAM, and 2.1 µA Stop mode + RTC + 256 KB RAM.

  9. Does the STM32WB55CEU6 have integrated security features?

    Yes, it includes AES encryption engines, PKA, RNG, and customer key storage.

  10. What communication interfaces are available on the STM32WB55CEU6?

    The device features USART, LPUART, I2C, SPI, SAI, USB 2.0 FS, and Quad-SPI interfaces.

Product Attributes

Type:TxRx + MCU
RF Family/Standard:802.15.4, Bluetooth
Protocol:Bluetooth v5.2, Thread, Zigbee®
Modulation:GFSK
Frequency:2.405GHz ~ 2.48GHz
Data Rate (Max):2Mbps
Power - Output:6dBm
Sensitivity:-100dBm
Memory Size:512kB Flash, 256kB SRAM
Serial Interfaces:ADC, I²C, SPI, UART, USART, USB
GPIO:30
Voltage - Supply:1.71V ~ 3.6V
Current - Receiving:3.8mA ~ 7mA
Current - Transmitting:8.1mA ~ 13.1mA
Operating Temperature:-40°C ~ 85°C (TA)
Mounting Type:Surface Mount
Package / Case:48-UFQFN Exposed Pad
Supplier Device Package:48-UFQFPN (7x7)
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Similar Products

Part Number STM32WB55CEU6 STM32WB55CGU6 STM32WB55CEU7 STM32WB55CCU6
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Product Status Active Active Active Active
Type TxRx + MCU TxRx + MCU TxRx + MCU TxRx + MCU
RF Family/Standard 802.15.4, Bluetooth 802.15.4, Bluetooth 802.15.4, Bluetooth 802.15.4, Bluetooth
Protocol Bluetooth v5.2, Thread, Zigbee® Bluetooth v5.2, Thread, Zigbee® Bluetooth v5.2, Thread, Zigbee® Bluetooth v5.2, Thread, Zigbee®
Modulation GFSK GFSK GFSK GFSK
Frequency 2.405GHz ~ 2.48GHz 2.405GHz ~ 2.48GHz 2.405GHz ~ 2.48GHz 2.405GHz ~ 2.48GHz
Data Rate (Max) 2Mbps 2Mbps 2Mbps 2Mbps
Power - Output 6dBm 6dBm 6dBm 6dBm
Sensitivity -100dBm -100dBm -100dBm -100dBm
Memory Size 512kB Flash, 256kB SRAM 1MB Flash, 256kB SRAM 512kB Flash, 256kB SRAM 256kB Flash, 128kB SRAM
Serial Interfaces ADC, I²C, SPI, UART, USART, USB ADC, I²C, SPI, UART, USART, USB ADC, I²C, SPI, UART, USART, USB ADC, I²C, SPI, UART, USART, USB
GPIO 30 30 30 30
Voltage - Supply 1.71V ~ 3.6V 1.71V ~ 3.6V 1.71V ~ 3.6V 1.71V ~ 3.6V
Current - Receiving 3.8mA ~ 7mA 3.8mA ~ 7mA 4.5mA ~ 7.9mA 4.5mA ~ 7.9mA
Current - Transmitting 8.1mA ~ 13.1mA 8.1mA ~ 13.1mA 5.2mA ~ 12.7mA 5.2mA ~ 12.7mA
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 105°C (TA) -40°C ~ 85°C (TA)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 48-UFQFN Exposed Pad 48-UFQFN Exposed Pad 48-UFQFN Exposed Pad 48-UFQFN Exposed Pad
Supplier Device Package 48-UFQFPN (7x7) 48-UFQFPN (7x7) 48-UFQFPN (7x7) 48-UFQFPN (7x7)

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