STM32WB09XE datasheet(5/73 Pages) STMICROELECTRONICS

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Description

The STM32WB09xE is an ultra-low power programmable Bluetooth® LE wireless SoC solution. It embeds

STMicroelectronics’ state-of-art 2.4 GHz RF radio peripherals, optimized for ultra-low-power consumption and

excellent radio performance, for unparalleled battery lifetime.

It is compliant with Bluetooth® LE SIG core specification version 5.4 addressing point-to-point connectivity and

Bluetooth® Mesh networking and allows large-scale device networks to be established in a reliable way. The

STM32WB09xE is also suitable for 2.4 GHz proprietary radio wireless communication to address ultra-low latency

applications.

The STM32WB09xE embeds an Arm® Cortex®-M0+ microprocessor that can operate up to 64 MHz and also the

radio core coprocessor (DMA based) for Bluetooth® LE timing critical operations.

In addition, the STM32WB09xE provides enhanced security hardware support by dedicated hardware functions:

true random number generator (TRNG) supporting NIST special publication 800-90B, security c0-processor for

128-bit AES encryption, CRC calculation unit, 64-bit unique ID, flash memory read and write protection, and a

public key accelerator (PKA).

The PKA supports: modular arithmetic including exponentiation with maximum modulo size of 3136 bits, elliptic

curves over prime field scalar multiplication, ECDSA signature, ECDSA verification with maximum modulo size of

521 bits CRC calculation unit, security level allowing constant time operations.

The STM32WB09xE can be configured to support standalone or network processor applications. In the first

configuration, the STM32WB09xE operates as a single device running the application code and the Bluetooth®

LE stack.

The STM32WB09xE embeds the following high-speed memory types: 512-Kbyte flash memory, 64-Kbyte RAM, 1-

Kbyte one-time-programmable (OTP) memory area, and 7-Kbyte ROM (ST reserved area).

Direct data transfer between memory and peripherals and from memory-to-memory is supported by eight DMA

channels with a full flexible channel mapping by the DMAMUX peripheral.

The STM32WB09xE embeds a 12-bit ADC, allowing measurements of up to eight external sources and up to

three internal sources, including battery monitoring and a temperature sensor.

The STM32WB09xE has a low-power RTC and one advanced 16-bit timer.

The STM32WB09xE features standard and advanced communication interfaces: 1x SPI-I2, LPUART, 1x USART

supporting ISO 7816 (SmartCard mode), IrDA and Modbus mode, 2x I2C supporting SMBus/PMBus.

The STM32WB09xE operates in the -40 to +105 °C (+125 °C junction) temperature range from a 1.7 V to 3.6 V

power supply. A comprehensive set of power-saving modes enables the design of low-power applications.

The STM32WB09xE integrates a high efficiency SMPS step-down converter and an integrated PDR circuitry with

a fixed threshold that generates a device reset when the VDD drops under 1.65 V.

The STM32WB09xE is available in two package types: VFQFPN32 and WLCSP36. Both versions support up to

20 I/Os.

Table 1. STM32WB09xE device features and peripheral counts

Feature

STM32WB09KE

STM32WB09TE

Flash memory density

512 Kbytes

SRAM density

SRAM0

16 Kbytes

SRAM1

16 Kbytes

SRAM2

16 Kbytes

SRAM3

16 Kbytes

Bluetooth LE

Yes

2.4 GHz proprietary radio

Yes

Timers

General purpose

1x 16-bit, four channels and

2x 16-bit, two channels

2.4 GHz proprietary radio timer low power

32-bit

SysTick

STM32WB09xE

Description

DS14210 - Rev 6

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