Overview
The STM32WB15CCU6, produced by STMicroelectronics, is a multiprotocol wireless and ultra-low-power microcontroller. It integrates a powerful 2.4 GHz radio compliant with the Bluetooth® 5.4 specification and features a dual-core architecture with an Arm® Cortex®-M4 core and an Arm® Cortex®-M0+ core. The Cortex®-M4 core operates at up to 64 MHz and includes a Floating Point Unit (FPU), while the Cortex®-M0+ core handles real-time low-layer operations for the radio. This device is designed for low-power applications and includes various power-saving modes, making it suitable for a wide range of wireless and IoT applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 with FPU, Arm® 32-bit Cortex®-M0+ |
| Frequency | Up to 64 MHz |
| Memory | 320 KB flash memory, 48 KB SRAM |
| Power Supply | 1.71 to 3.6 V |
| Temperature Range | -40 °C to 85 °C / 105 °C |
| Radio | 2.4 GHz RF transceiver supporting Bluetooth® 5.4 |
| ADC | 12-bit ADC, 2.5 Msps, 190 µA/Msps |
| Timers | 1x 32-bit timer, 3x 16-bit timers, 2x 16-bit low-power timers |
| Communication Interfaces | USART, LPUART, SPI, I2C (SMBus/PMBus) |
| Security Features | AES encryption, PKA, RNG, sector protection |
| Package | UFQFPN 48 7x7x0.55 mm |
Key Features
- Dual-core architecture with Arm® Cortex®-M4 and Arm® Cortex®-M0+ cores
- Ultra-low-power platform with 12 nA shutdown mode and 610 nA standby mode + RTC + 48 KB RAM
- Integrated 2.4 GHz RF transceiver supporting Bluetooth® 5.4 with RX sensitivity of -95.5 dBm and programmable output power up to +5.5 dBm
- High-speed memories: 320 KB flash memory and 48 KB SRAM
- Rich analog peripherals including a 12-bit ADC and an ultra-low-power comparator
- Advanced communication interfaces: USART, LPUART, SPI, I2C (SMBus/PMBus)
- Security features: AES encryption, PKA, RNG, sector protection, and secure firmware installation (SFI)
- Touch sensing controller with up to eight capacitive sensing channels
- High efficiency SMPS step-down converter with automatic bypass mode
- Support for OTA (over the air) Bluetooth® Low Energy updates
Applications
- Wireless IoT devices
- Smart home appliances
- Wearables and fitness trackers
- Industrial automation and control systems
- Medical devices requiring low power and wireless connectivity
- Automotive systems needing advanced wireless communication
Q & A
- What is the core architecture of the STM32WB15CCU6?
The STM32WB15CCU6 features a dual-core architecture with an Arm® Cortex®-M4 core and an Arm® Cortex®-M0+ core.
- What is the frequency range of the Cortex®-M4 core?
The Cortex®-M4 core operates at up to 64 MHz.
- What are the memory specifications of the STM32WB15CCU6?
The device has 320 KB of flash memory and 48 KB of SRAM.
- What is the power supply range for the STM32WB15CCU6?
The power supply range is from 1.71 to 3.6 V.
- What are the temperature ranges for the STM32WB15CCU6?
The device operates in the -40 °C to 85 °C / 105 °C temperature range.
- What wireless protocol does the STM32WB15CCU6 support?
The device supports Bluetooth® 5.4.
- What are the key security features of the STM32WB15CCU6?
The device includes AES encryption, PKA, RNG, sector protection, and secure firmware installation (SFI).
- Does the STM32WB15CCU6 support OTA updates?
Yes, it supports OTA (over the air) Bluetooth® Low Energy updates.
- What are the main communication interfaces available on the STM32WB15CCU6?
The device features USART, LPUART, SPI, and I2C (SMBus/PMBus) interfaces.
- What is the package type for the STM32WB15CCU6?
The device is available in a UFQFPN 48 7x7x0.55 mm package.
