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STM32WB35VGQ7ATR

Multiprotocol wireless 32-bit MCU Arm®-based Cortex®-M4 with FPU, Bluetooth® 5 and 802.15.4 radio solution

STMicroelectronics 

STM32WB55xx STM32WB35xx

– Internal multispeed 100 kHz to 48 MHz

oscillator, auto-trimmed by LSE (better than

±0.25% accuracy)

– High speed internal 16 MHz factory

trimmed RC (±1%)

– 2x PLL for system clock, USB, SAI and

ADC

 Memories

– Up to 1 MB Flash memory with sector

protection (PCROP) against R/W

operations, enabling authentic Bluetooth®

Low Energy and 802.15.4 SW stack

– Up to 256 KB SRAM, including 64 KB with

hardware parity check

– 20x32-bit backup register

– Boot loader supporting USART, SPI, I2C

and USB interfaces

– OTA (over the air) Bluetooth® Low Energy

and 802.15.4 update

– Quad SPI memory interface with XIP

– 1 Kbyte (128 double words) OTP

 Rich analog peripherals (down to 1.62 V)

– 12-bit ADC 4.26 Msps, up to 16-bit with

hardware oversampling, 200 µA/Msps

– 2x ultra-low-power comparator

– Accurate 2.5 V or 2.048 V reference

voltage buffered output

 System peripherals

– Inter processor communication controller

(IPCC) for communication with Bluetooth®

Low Energy and 802.15.4

– HW semaphores for resources sharing

between CPUs

– 2x DMA controllers (7x channels each)

supporting ADC, SPI, I2C, USART, QSPI,

SAI, AES, timers

– 1x USART (ISO 7816, IrDA, SPI Master,

Modbus and Smartcard mode)

– 1x LPUART (low power)

– 2x SPI 32 Mbit/s

– 2x I2C (SMBus/PMBus)

– 1x SAI (dual channel high quality audio)

– 1x USB 2.0 FS device, crystal-less, BCD

and LPM

– Touch sensing controller, up to 18 sensors

– LCD 8x40 with step-up converter

– 1x 16-bit, four channels advanced timer

– 2x 16-bit, two channels timer

– 1x 32-bit, four channels timer

– 2x 16-bit ultra-low-power timer

– 1x independent Systick

– 1x independent watchdog

– 1x window watchdog

 Security and ID

– Secure firmware installation (SFI) for

Bluetooth® Low Energy and 802.15.4 SW

stack

– 3x hardware encryption AES maximum

256-bit for the application, the Bluetooth®

Low Energy and IEEE802.15.4

– Customer key storage / key manager

services

– HW public key authority (PKA)

– Cryptographic algorithms: RSA, 

Diffie-Helman, ECC over GF(p)

– True random number generator (RNG)

– Sector protection against R/W operation

(PCROP)

– CRC calculation unit

– Die information: 96-bit unique ID

– IEEE 64-bit unique ID. Possibility to derive

802.15.4 64-bit and Bluetooth® Low Energy

48-bit EUI

 Up to 72 fast I/Os, 70 of them 5 V-tolerant

 Development support

– Serial wire debug (SWD), JTAG for the

application processor

– Application cross trigger with input / output

– Embedded Trace Macrocell™ for

application

 All packages are ECOPACK2 compliant

Reference

STM32WB55xx

STM32WB35xx

Table 1. Device summary

Part numbers

STM32WB55CC, STM32WB55CE, STM32WB55CG, STM32WB55RC, STM32WB55RE, STM32WB55RG,

STM32WB55VC, STM32WB55VE, STM32WB55VG, STM32WB55VY

STM32WB35CC, STM32WB35CE

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DS11929 Rev 10

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