Overview
The STM32WB30CEU5A, produced by STMicroelectronics, is a multiprotocol wireless and ultra-low-power microcontroller unit (MCU). It features a dual-core architecture with an Arm® Cortex®-M4 core operating at up to 64 MHz and an Arm® Cortex®-M0+ core dedicated for real-time low-layer operations. This device is designed for low-power applications and supports Bluetooth® 5.4, IEEE 802.15.4, Zigbee, and Thread 1.3 protocols. The STM32WB30CEU5A is ideal for IoT applications requiring wireless connectivity and high performance with minimal power consumption.
Key Specifications
| Parameter | Value |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 with FPU, Arm® 32-bit Cortex®-M0+ |
| Frequency | Up to 64 MHz (Cortex-M4), 32 MHz (Cortex-M0+) |
| Flash Memory | 512 Kbytes |
| SRAM | 96 Kbytes |
| Backup Registers | 20x 32-bit |
| Power Supply | 2.0 to 3.6 V |
| Temperature Range | -10 °C to +85 °C (+105 °C junction) |
| Package | UFQFPN 48 7x7x0.55 mm |
| Radio Frequency | 2.4 GHz, Bluetooth® 5.4, IEEE 802.15.4 |
| ADC | 12-bit, up to 16-bit with hardware oversampling |
| Timers | 1x 32-bit, 3x 16-bit, 2x 16-bit ultra low power |
| Communication Interfaces | USART, SPI, I2C |
| Security Features | AES encryption, PKA, RNG, Secure firmware installation |
Key Features
- Ultra-low-power platform with 14 nA shutdown mode, 700 nA Standby mode + RTC + 32 KB RAM, and 2.25 µA Stop mode + RTC + 128 KB RAM.
- Support for Bluetooth® 5.4, IEEE 802.15.4, Zigbee, and Thread 1.3 protocols.
- Dedicated Arm® 32-bit Cortex®-M0+ CPU for real-time Radio layer operations.
- Integrated balun to reduce BOM and support for external PA.
- Accurate RSSI for power control and compliance with radio frequency regulations (ETSI EN 300 328, EN 300 440, FCC CFR47 Part 15, ARIB STD-T66).
- Rich analog peripherals including a 12-bit ADC with up to 16-bit resolution through hardware oversampling.
- Inter-processor communication controller (IPCC) and hardware semaphores for resource sharing between CPUs.
- Seven DMA channels supporting ADC, SPI, I2C, USART, AES, and timers.
- Secure firmware installation (SFI) and cryptographic algorithms (AES, RSA, Diffie-Helman, ECC).
- True random number generator (RNG) and sector protection against R/W operations.
Applications
- Internet of Things (IoT) devices requiring wireless connectivity.
- Smart home and building automation systems.
- Industrial automation and control systems.
- Wearable devices and health monitoring systems.
- Automotive applications requiring low-power wireless communication.
Q & A
- What is the core architecture of the STM32WB30CEU5A?
The STM32WB30CEU5A features a dual-core architecture with an Arm® Cortex®-M4 core and an Arm® Cortex®-M0+ core.
- What wireless protocols does the STM32WB30CEU5A support?
The device supports Bluetooth® 5.4, IEEE 802.15.4, Zigbee, and Thread 1.3 protocols.
- What is the power consumption of the STM32WB30CEU5A in different modes?
The device operates in various low-power modes including 14 nA shutdown mode, 700 nA Standby mode + RTC + 32 KB RAM, and 2.25 µA Stop mode + RTC + 128 KB RAM.
- What are the key security features of the STM32WB30CEU5A?
The device includes AES encryption, PKA, RNG, and secure firmware installation (SFI) for enhanced security.
- What is the temperature range for the STM32WB30CEU5A?
The device operates in a temperature range of -10 °C to +85 °C (+105 °C junction).
- What are the communication interfaces available on the STM32WB30CEU5A?
The device features USART, SPI, and I2C communication interfaces.
- Does the STM32WB30CEU5A support over-the-air updates?
Yes, the device supports over-the-air (OTA) updates for Bluetooth® Low Energy and 802.15.4.
- What is the flash memory capacity of the STM32WB30CEU5A?
The device has 512 Kbytes of flash memory.
- What is the SRAM capacity of the STM32WB30CEU5A?
The device has 96 Kbytes of SRAM.
- What are the key analog peripherals of the STM32WB30CEU5A?
The device includes a 12-bit ADC with up to 16-bit resolution through hardware oversampling.
- Is the STM32WB30CEU5A compliant with radio frequency regulations?
Yes, the device is compliant with radio frequency regulations such as ETSI EN 300 328, EN 300 440, FCC CFR47 Part 15, and ARIB STD-T66.
