STM32WB35CCU6A Microcontroller MCU
STM32 Wireless MCU 2.4GHz Low-Power Multiprotocol Wireless Microcontroller
Product Overview
The STM32WB35CCU6A is a multiprotocol wireless and ultra-low-power device embedding a powerful radio compliant with Bluetooth® Low Energy SIG specification 5.4 and IEEE 802.15.4-2011. It features a dedicated Arm® Cortex®-M0+ for real-time low-layer operations.
Designed for extreme low-power operation, this microcontroller is based on the high-performance Arm® Cortex®-M4 32-bit RISC core operating at up to 64 MHz. The core includes a Floating Point Unit (FPU) supporting single-precision data processing, a full set of DSP instructions, and a Memory Protection Unit (MPU) for enhanced application security.
The device integrates high-speed memories including up to 512 KB of flash memory, up to 96 KB of SRAM, a Quad-SPI flash memory interface, and extensive enhanced I/Os and peripherals.
Technical Specifications
| Parameter |
Specification |
| Type |
TxRx + MCU |
| RF Family/Standard |
802.15.4, BT |
| Protocol |
BT v5.3, Thread, Zigbee® |
| Modulation |
GFSK |
| Frequency |
2.405GHz ~ 2.48GHz |
| Data Rate (Max) |
2Mbps |
| Power Output |
6dBm |
| Sensitivity |
-100dBm |
| Memory Size |
256kB Flash, 96kB 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) |
Key Features
Radio Capabilities
2.4 GHz RF transceiver supporting Bluetooth® 5.4, IEEE 802.15.4-2011 PHY and MAC
Thread 1.3 and Zigbee® 3.0 support
RX sensitivity: -96 dBm (Bluetooth® Low Energy at 1 Mbps), -100 dBm (802.15.4)
Programmable output power up to +6 dBm with 1 dB steps
Integrated balun to reduce BOM
Support for 2 Mbps data rate
Dedicated Arm® 32-bit Cortex® M0+ CPU for real-time Radio layer
Accurate RSSI for power control
Compliance with ETSI EN 300 328, EN 300 440, FCC CFR47 Part 15 and ARIB STD-T66
Support for external PA
Available integrated passive device (IPD) companion chips
Ultra-Low-Power Platform
1.71 to 3.6 V power supply range
-40°C to 85/105°C temperature ranges
13 nA shutdown mode
600 nA Standby mode + RTC + 32 KB RAM
2.1 µA Stop mode + RTC + 256 KB RAM
Active-mode MCU: < 53 µA/MHz when RF and SMPS on
Radio: Rx 4.5 mA / Tx at 0 dBm 5.2 mA
Core Performance
Arm® 32-bit Cortex®-M4 CPU with FPU
Adaptive real-time accelerator for 0-wait-state flash execution
Up to 64 MHz frequency
MPU, 80 DMIPS, and DSP instructions
1.25 DMIPS/MHz (Drystone 2.1)
219.48 CoreMark® (3.43 CoreMark/MHz at 64 MHz)
303 ULPMark™ CP score
Memory & Storage
Up to 1 MB flash memory with sector protection (PCROP)
Up to 256 KB SRAM with 64 KB hardware parity check
20x 32-bit backup register
Boot loader supporting USART, SPI, I2C and USB interfaces
OTA (over the air) Bluetooth® Low Energy and 802.15.4 update capability
Quad SPI memory interface with XIP
1 Kbyte (128 double words) OTP
Analog Peripherals
12-bit ADC 4.26 Msps, up to 16-bit with hardware oversampling
2x ultra-low-power comparators
Accurate 2.5 V or 2.048 V reference voltage buffered output
Operates down to 1.62 V
Applications
Home, building, and city automation
Power supplies and converters
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Frequently Asked Questions
Are your products original?
Yes, all products are original, new original import is our purpose.
Which Certificates do you have?
We are ISO 9001:2015 Certified Company and member of ERAI.
Can you support small quantity order or sample? Is the sample free?
Yes, we support sample orders and small quantities. Sample cost varies according to your order or project requirements.
How to ship my order? Is it safe?
We use express carriers such as DHL, FedEx, UPS, TNT, and EMS. We can also use your suggested forwarder. Products are carefully packaged to ensure safety, and we are responsible for any product damage to your order.
What about the lead time?
We can ship stock parts within 5 working days. For out-of-stock items, we will confirm lead time based on your order quantity.
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