STM32WB55XX datasheet(2/165 Pages) STMICROELECTRONICS

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STM32WB55xx

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DS11929 Rev 3

– OTA (Over the Air) Bluetooth® Low Energy

and 802.15.4 update

– Quad SPI memory interface with XIP

• Rich Analog peripherals (down to 1.62 V)

– 12-bit ADC 4.26Msps, 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 28

channels

– LCD 8x40 with step-up converter

– 1x 16-bit, four channels advanced timer

– 2x 16-bits, two channels timer

– 1x 32-bits, four channels timer

– 2x 16-bits ultra-low-power timer

– 1x independent Systick

– 1x independent watchdog

– 1x window watchdog

• Security & 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

– 96-bit unique ID

– 64-bit unique ID. Possibility to derive

802.15.5 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 and

output

– Embedded Trace Macrocell™ for

application

• All packages are ECOPACK2® compliant

Table 1. Device summary

Reference

Part numbers

STM32WB55xx

STM32WB55CC, STM32WB55RC, STM32WB55VC

STM32WB55CE, STM32WB55RE, STM32WB55VE

STM32WB55CG, STM32WB55RG, STM32WB55VG

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