The STM32WB55CGU7 multiprotocol wireless and ultra-low-power device embeds a powerful ultra-low-power radio module (compliant with Bluetooth® Low Energy SIG specification 5.0 and IEEE 802.15.4-2011 standards). The device contains a dedicated Arm® Cortex® -M0+ that performs all low-level real-time operations.

These devices are based on a high-performance Arm® Cortex®-M4 32-bit RISC core operating up to 64MHz and designed for ultra-low power consumption. The core features a single-precision floating-point unit (FPU) that supports all ARM® single-precision data processing instructions and data types, as well as a DSP instruction set and a memory protection unit (MPU) for enhanced application security.

IPCC provides enhanced interprocessor communication with six bidirectional channels, and HSEM provides hardware semaphores for sharing common resources between two processors.

These devices embed high-speed memory up to 1MB Flash memory for the STM32WB55CGU7, up to 256KB of SRAM for the STM32WB55CGU7, a Quad-SPI Flash memory interface (available in all packages), and a wide range of enhanced I/O and peripherals.

Direct data transfers between memory and peripherals (and memory to memory) are supported by 14 DMA channels, and the DMAMUX peripheral has fully flexible channel mapping.

These devices provide multiple mechanisms for embedded Flash memory and SRAM: read protection, write protection, proprietary code read protection. The memory part can only be accessed exclusively by the Cortex®-M0+, ensuring safety.

Two AES encryption engines (PKA and RNG) support underlying MAC and upper layer encryption, and the customer key storage feature can be used to hide keys.

These devices offer a fast 12-bit ADC and two ultralow power comparators with a high precision voltage reference generator.

These devices embed a low-power RTC, an advanced 16-bit timer, a general-purpose 32-bit timer, two general-purpose 16-bit timers, and two 16-bit low-power timers.

Additionally, up to 18 capacitive sensing channels are available for the STM32WB55CGU7 (not available on the UFQFPN48 package). The STM32WB55CGU7 also embeds an integrated LCD driver (up to 8x40 or 4x44 with internal boost converter).

STM32WB55CGU7 is also equipped with standard and advanced communication interfaces, namely: 1 USART interface (ISO 7816, IrDA, Modbus and smart card mode), 1 low-power UART (LPUART) interface, 2 I2C (SMBus/PMBus) interfaces, 2 1 SPI interface up to 32 MHz (1 for STM32WB35xx), 1 Serial Audio Interface (SAI) with dual channels and 3 PDMs, 1 USB2.0 FS device interface (embedded without crystal oscillator , supports BCD and LPM), and 1 Quad-SPI interface (with local execution (XIP) function).

The operating temperature range is -40°C~+105°C (+125°C junction temperature) and -40°C~+85°C (+105°C junction temperature), and the operating voltage range is 1.71~3.6V, suitable for A complete set of power-saving modes designed for low-power applications.

These devices include separate power supplies for the ADC's analog inputs.

STM32WB55CGU7 integrates a high-efficiency SMPS step-down converter, and enters automatic bypass mode when VDD is lower than VBORx (x=1, 2, 3, 4) voltage level (default 2.0V). It contains separate power supplies (for ADC and comparator analog inputs) and a dedicated 3.3V power input (for USB).

A dedicated VBAT supply allows the device to back up the LSE 32.768kHz oscillator, RTC and backup registers, allowing the STM32WB55CGU7 to power these functions from a battery like a CR2032, a supercapacitor or a small rechargeable battery when the main VDD is not available.

Feature:

• Contains STMicroelectronics' advanced patented technology

• radio

- 2.4GHz

- RF transceiver, supports Bluetooth®5.3 specification, IEEE802.15.4-2011PHY and MAC, supports Thread and Zigbee®3.0

- Receive sensitivity: -96dBm (Bluetooth® Low Energy, rate 1Mbps), -100dBm (802.15.4)

- Programmable output power up to +6dBm in 1dB steps

- Integrated balun for BOM reduction

- Support 2Mbps

- Support broadcast extension

- Dedicated Arm® 32-bit Cortex® M0+ CPU for real-time wireless layer

- Accurate RSSI to help control power consumption

- Suitable for systems requiring compliance with the following RF regulations: ETSI EN 300 328, EN 300 440, FCC CFR47 Part 15, and ARIB STD-T66

- Support external PA

- Integrated passive device (IPD) companion chip for optimized matching solution (MLPF-WB-01E3 or MLPF-WB55-02E3 or MLPF-WB-02D3)

• Ultra-low power platform

- 1.71V to 3.6V power supply

– 40°C to 85/105°C temperature range

- 13nA in shutdown mode

- 600nA standby mode+RTC+32KB RAM

- 2.1µA shutdown mode +RTC+256KB RAM

- MCU active mode: <53µA/MHz when RF and SMPS are on

- Radio: Rx4.5mA/Tx is 0dBm 5.2mA

• Core: Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive Real-Time Accelerator (ART™ Accelerator) for zero-wait-state performance in Flash memory, clocked at up to 64MHz, MPU capable of up to 80DMIPS performance, with a DSP instruction set

• Performance benchmarks

- 1.25DMIPS/MHz(Drystone2.1)

- 219.48CoreMark®(3.43CoreMark/MHz@64MHz)

• Energy consumption benchmark

- ULPMark™ CP score 303

• Power supply and reset management

- High Efficiency Embedded SMPS Buck Converter with Smart Bypass Mode

- Ultra-safe low-power BOR (Brown-out Reset) with 5 selectable thresholds

- Ultra-low power POR/PDR

- Programmable Voltage Detector (PVD)

- VBAT mode powers RTC and backup registers

• clock source

- 32MHz crystal with integrated trimming capacitors (radio and CPU clock)

- 32kHz crystal oscillator for RTC(LSE)

- Internal low power consumption 32kHz(±5%) RC(LSI1)

- Internal low power consumption 32kHz (stability ±500ppm) RC (LSI2)

- Internal multi-speed (100kHz-48MHz) oscillator, automatically adjusted by LSE (accuracy better than ±0.25%)

- Built-in factory-tuned 16MHz high-speed RC (±1%)

- 2 PLLs for system clock, USB, SAI and ADC

• memory

- Up to 1MB Flash memory, providing sector protection (PCROP) for read/write operations, supporting RF protocol stacks and applications

- Up to 256KB SRAM, including 64KB for hardware parity

- 20 32-bit backup registers

- Bootloader, supports USART, SPI, I2C and USB interfaces

- OTA (over-the-air) Bluetooth® low energy and 802.15.4 updates

- Quad SPI memory interface with XIP function

- 1KB (128 double words) OTP

• Rich analog peripherals (down to 1.62V)

- 12-bit ADC 4.26Msps, up to 16-bit ADC (hardware oversampling), 200µA/Msps

- 2 ultra-low power comparators

- Accurate 2.5V or 2.048V Reference Voltage Buffered Output

• System peripherals

- Interprocessor Communication Controller (IPCC) for communication with Bluetooth® Low Energy and 802.15.4

- Provides hardware semaphores for sharing resources between CPUs

- 2 DMA controllers (7 channels each), supporting ADC, SPI, I2C, USART, QSPI, SAI, AES, timers

- 1 USART (ISO7816, IrDA, SPI master, Modbus and smart card modes)

- 1 LPUART (low power consumption)

- 2 SPI 32Mbit/s

- 2 I2C (SMBus/PMBus®)

- 1 SAI (two-channel high-quality audio)

- 1 USB2.0 FS device, no quartz, BCD and LPM

- Touch-sensitive controller to control up to 18 sensors

- LCD8x40 with boost converter

- 1 16-bit 4-channel advanced timer

- Two 16-bit 2-channel timers

- 1 32-bit 4-channel timer

- Two 16-bit ultra-low power timers

- 1 independent system timer

- 1 independent watchdog

- 1 window watchdog

• Security and ID

- Secure Firmware Install (SFI) for Bluetooth® Low Energy and 802.15.4 software stacks

- 3 x hardware encryption AES (up to 256-bit) for applications, Bluetooth® Low Energy and IEEE802.15.4

- Customer key storage/key management service

- Hardware Public Key Authorization (PKA)

- Encryption algorithms: RSA, Diffie-Helman, ECC over GF(p)

- True Random Number Generator (RNG)

- Sector protection (PCROP) for read/write operations

- CRC calculation unit

- Chip information: 96-bit unique ID

- IEEE64-bit unique ID, able to drive 802.15.4 64-bit MCU and Bluetooth® low energy 48-bit EUI

• Up to 72 fast I/Os, 70 of which are 5V tolerant

• Development support

- Serial Wire Debug (SWD), JTAG for application processor

- Application cross-triggering via I/O

- Embedded Trace Macrocell™ for application-oriented

• All packages are ECOPACK2 compliant

System Block Diagram

The AP8000 universal programmer independently developed by Acroview Technology includes three parts: the host, the base plate, and the adapter seat.

The host supports USB and NET connections, allowing multiple programmers to be networked to achieve the purpose of simultaneously controlling multiple programmers to burn at the same time. The built-in chip safety protection circuit ensures that even if the chip is reversed or a short circuit caused by other reasons can be detected immediately and the power is turned off to ensure the safety of the chip and programmer. Embedded high-speed FPGA greatly accelerates data transmission and processing. There is an SD card slot on the back of the main unit. Put the project file produced by the PC software into the root directory of the SD card and insert it into the card slot. The project file can be selected, loaded, and burned through the buttons on the programmer. command, in order to achieve the purpose of operating without PC, which greatly reduces the cost of PC hardware configuration, and can be conveniently and quickly matched with the working environment.

Company Profile

About STMicroelectronics: STMicroelectronics (STMicroelectronics, referred to as: ST) was established in 1987 by the merger of SGS Microelectronics in Italy and Thomson Semiconductor in France. In May 1998, SGS-THOMSON Microelectronics changed its company name to STMicroelectronics Co., Ltd. The entire group has nearly 50,000 employees, 16 advanced R&D institutions, 39 design and application centers, 15 major manufacturing plants, and With 78 sales offices in 36 countries, STMicroelectronics is one of the world's largest semiconductor companies and a leading global semiconductor solution provider, providing innovative solutions for electronic equipment manufacturers in various application fields. With the company's vast technology, design capabilities and intellectual property portfolio, strategic partnerships and manufacturing capabilities, STMicroelectronics is determined to become the undisputed industry leader in multimedia convergence and power applications.

About Acroview Technology:  Acroview is Global Leader of Semiconductor Automatic Programmer Solutions. The company insists on changing the world with technology, driving the future with intelligence, and continuously creating value for custwomers. Acroview's AP8000 universal programmer platform and the latest IPS5000 programming automation solution provide one-stop solutions for customers in the semiconductor and electronics manufacturing fields. The company has served global leading customers including Huawei, BYD, Foxconn and so on.