STM32WB55CCU6
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STMicroelectronics STM32WB55CCU6

Manufacturer No:
STM32WB55CCU6
Manufacturer:
STMicroelectronics
Package:
Tray
Description:
ULTRA-LOW-POWER DUAL CORE ARM CO
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The STM32WB55CCU6 is a multiprotocol wireless microcontroller from STMicroelectronics, designed for ultra-low-power applications. It features a dual-core architecture with an Arm Cortex-M4 CPU operating at up to 64 MHz and an Arm Cortex-M0+ CPU dedicated for real-time low-layer operations. This device is compliant with Bluetooth Low Energy 5.4 and IEEE 802.15.4-2011 specifications, supporting protocols like Thread 1.3 and Zigbee 3.0. The STM32WB55CCU6 is optimized for low-power consumption, making it suitable for a wide range of wireless and IoT applications.

Key Specifications

Parameter Specification
Processor Arm Cortex-M4 (up to 64 MHz) and Arm Cortex-M0+ (up to 32 MHz)
Memory Up to 1 MB Flash, up to 256 KB SRAM
Radio 2.4 GHz RF transceiver supporting Bluetooth Low Energy 5.4 and IEEE 802.15.4
Power Supply 1.71 to 3.6 V
Temperature Range -40 to +105 °C (junction temperature up to +125 °C)
Package UFQFPN 48 7x7x0.55 mm
ADC 12-bit, up to 16-bit with hardware oversampling, 4.26 Msps
Timers 1x 32-bit, 4x 16-bit, 2x ultra-low-power 16-bit timers
Communication Interfaces 1x USART, 1x LPUART, 2x SPI, 2x I2C, 1x SAI, 1x USB 2.0 FS device
Security Features 2x AES encryption engines, PKA, RNG, customer key storage

Key Features

  • Ultra-low-power platform with multiple power-saving modes (shutdown, standby, stop)
  • High-performance Arm Cortex-M4 CPU with FPU and DSP instructions
  • Dedicated Arm Cortex-M0+ CPU for real-time radio layer operations
  • Integrated balun and support for external PA
  • Accurate RSSI for power control and programmable output power up to +6 dBm
  • Rich analog peripherals including 12-bit ADC, ultra-low-power comparators, and accurate reference voltage generator
  • Advanced communication interfaces including USART, LPUART, SPI, I2C, SAI, and USB 2.0 FS device
  • Touch sensing controller with up to 18 sensors and integrated LCD driver
  • High-efficiency SMPS step-down converter with intelligent bypass mode
  • Secure firmware installation and OTA updates for Bluetooth Low Energy and 802.15.4

Applications

  • Wireless IoT devices
  • Smart home and building automation
  • Industrial automation and control
  • Health and fitness trackers
  • Smart meters and energy management systems
  • Automotive and transportation systems

Q & A

  1. What is the primary processor in the STM32WB55CCU6?

    The primary processor is an Arm Cortex-M4 CPU operating at up to 64 MHz.

  2. What wireless protocols does the STM32WB55CCU6 support?

    The device supports Bluetooth Low Energy 5.4 and IEEE 802.15.4-2011, including Thread 1.3 and Zigbee 3.0.

  3. What is the power supply range for the STM32WB55CCU6?

    The power supply range is from 1.71 to 3.6 V.

  4. What are the key security features of the STM32WB55CCU6?

    The device includes 2x AES encryption engines, PKA, RNG, and customer key storage.

  5. What types of timers are available on the STM32WB55CCU6?

    The device features 1x 32-bit timer, 4x 16-bit timers, and 2x ultra-low-power 16-bit timers.

  6. Does the STM32WB55CCU6 support OTA updates?

    Yes, it supports over-the-air updates for Bluetooth Low Energy and 802.15.4.

  7. What is the temperature range for the STM32WB55CCU6?

    The operating temperature range is -40 to +105 °C (junction temperature up to +125 °C).

  8. What is the package type for the STM32WB55CCU6?

    The package type is UFQFPN 48 7x7x0.55 mm.

  9. Does the STM32WB55CCU6 have integrated analog peripherals?

    Yes, it includes a 12-bit ADC, ultra-low-power comparators, and an accurate reference voltage generator.

  10. What communication interfaces are available on the STM32WB55CCU6?

    The device features USART, LPUART, SPI, I2C, SAI, and a USB 2.0 FS device.

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:256kB Flash, 128kB SRAM
Serial Interfaces:ADC, I²C, SPI, UART, USART, USB
GPIO:30
Voltage - Supply:1.71V ~ 3.6V
Current - Receiving:4.5mA ~ 7.9mA
Current - Transmitting:5.2mA ~ 12.7mA
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 STM32WB55CCU6 STM32WB55CEU6 STM32WB55CGU6 STM32WL55CCU6 STM32WB55CCU7 STM32WB15CCU6
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Product Status Active Active Active Active Active Active
Type TxRx + MCU TxRx + MCU TxRx + MCU TxRx + MCU TxRx + MCU TxRx + MCU
RF Family/Standard 802.15.4, Bluetooth 802.15.4, Bluetooth 802.15.4, Bluetooth 802.15.4 802.15.4, Bluetooth Bluetooth
Protocol Bluetooth v5.2, Thread, Zigbee® Bluetooth v5.2, Thread, Zigbee® Bluetooth v5.2, Thread, Zigbee® LoRaWAN 1.0, Sigfox Bluetooth v5.2, Thread, Zigbee® Bluetooth v5.2
Modulation GFSK GFSK GFSK BPSK, GFSK, GMSK, FSK, MSK GFSK GFSK
Frequency 2.405GHz ~ 2.48GHz 2.405GHz ~ 2.48GHz 2.405GHz ~ 2.48GHz 150MHz ~ 960MHz 2.405GHz ~ 2.48GHz 2.4GHz
Data Rate (Max) 2Mbps 2Mbps 2Mbps 300kbps 2Mbps 2Mbps
Power - Output 6dBm 6dBm 6dBm 22dBm 6dBm 5.5dBm
Sensitivity -100dBm -100dBm -100dBm -148dBm -100dBm -95.5dBm
Memory Size 256kB Flash, 128kB SRAM 512kB Flash, 256kB SRAM 1MB Flash, 256kB SRAM 256kB Flash 256kB Flash, 128kB SRAM 320kB Flash, 48kB SRAM
Serial Interfaces ADC, I²C, SPI, UART, USART, USB ADC, I²C, SPI, UART, USART, USB ADC, I²C, SPI, UART, USART, USB ADC, GPIO, I²C, SPI, IrDA, UART, USART ADC, I²C, SPI, UART, USART, USB ADC, I²C, SPI, UART, USART
GPIO 30 30 30 29 30 30
Voltage - Supply 1.71V ~ 3.6V 1.71V ~ 3.6V 1.71V ~ 3.6V 1.8V ~ 3.6V 1.71V ~ 3.6V 1.71V ~ 3.6V
Current - Receiving 4.5mA ~ 7.9mA 3.8mA ~ 7mA 3.8mA ~ 7mA 4.82mA 4.5mA ~ 7.9mA 4.5mA ~ 7.7mA
Current - Transmitting 5.2mA ~ 12.7mA 8.1mA ~ 13.1mA 8.1mA ~ 13.1mA 21mA ~ 120mA 5.2mA ~ 12.7mA 5.2mA ~ 12.5mA
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 105°C (TA) -40°C ~ 105°C (TA)
Mounting Type Surface Mount Surface Mount 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 48-UFQFN Exposed Pad 48-UFQFN Exposed Pad
Supplier Device Package 48-UFQFPN (7x7) 48-UFQFPN (7x7) 48-UFQFPN (7x7) 48-UFQFPN (7x7) 48-UFQFPN (7x7) 48-UFQFPN (7x7)

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