STM32WB55xx Multiprotocol wireless 32-bit MCU Arm®-based Cortex®-M4 with FPU, Bluetooth® Low Energy and 802.15.4 radio solution Data brief
■ Description
● The STM32WB55xx multiprotocol wireless and ultra-low-power devices embed a powerful and ultra-low-power radio compliant with the Bluetooth® Low Energy SIG specification v5.0 and with IEEE 802.15.4-2011. They contain a dedicated Arm® Cortex® -M0+ for performing all the real-time low layer operation.
● The STM32WB55xx devices are designed to be extremely low-power and are based on the high-performance Arm® Cortex®-M4 32-bit RISC core operating at a frequency of up to 64 MHz. The Cortex®-M4 core features a Floating point unit (FPU) single precision that supports all Arm® single-precision data-processing instructions and data types. It also implements a full set of DSP instructions and a memory protection unit (MPU) that enhances application security.
● Enhanced inter-processor communication is provided by the IPCC with six bidirectional channels. The HSEM provides hardware semaphores used to share common resources between the two processors.
● The STM32WB55xx devices embed high-speed memories (Flash memory up to 1 Mbyte, up to 256 Kbyte of SRAM), a Quad-SPI Flash memory interface (available on all packages) and an extensive range of enhanced l/Os and peripherals.
● Direct data transfer between memory and peripherals and from memory to memory is supported by fourteen DMA channels with a full flexible channel mapping by the DMAMUX peripheral.
● The STM32WB55xx devices embed several mechanisms for embedded Flash memory and SRAM: readout protection, write protection and proprietary code readout protection.
● Portions of the memory can be secured for Cortex -M0+ exclusive access.
● The two AES encryption engines, PKA and RNG enable lower layer MAC and upper layer cryptography. A customer key storage feature may be used to keep the keys hidden.
● The devices offer one fast 16-bit ADC and two ultra-low-power comparators associated with a high accuracy reference voltage generator
● The STM32WB55xx devices embed a low-power RTC, one advanced 16-bit timer, one general-purpose 32-bit timer, two general-purpose 16-bit timers, and two 16-bit low-power timers.
● In addition, up to 18 capacitive sensing channels are available. The devices also embed an integrated LCD driver up to 8x40 or 4x44, with internal step-up converter.
● They also feature standard and advanced communication interfaces:
◆ one USART (ISO 7816, IrDA, Modbus and Smartcard mode)
◆ one Low Power UART (LPUART)
◆ two I2C (SMBus/PMBus)
◆ twoSPI (up to 32 MHz)
◆ one serial audio interface (SAI) with two channels and three PDMs
◆ one USB 2.0 FS device with embedded crystal-less oscillator, supporting BCD and LPM
◆ one Quad-SPI with execute-in-place (XIP) capability
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STM32WB55xx 、 STM32WB55CC 、 STM32WB55RC 、 STM32WB55VC 、 STM32WB55CE 、 STM32WB55RE 、 STM32WB55VE 、 STM32WB55CG 、 STM32WB55RG 、 STM32WB55VG 、 STM32WB55Cx 、 STM32WB55Rx 、 STM32WB55Vx |
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Datasheet |
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Please see the document for details |
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UFQFPN48;VFQFPN68;WLCSP100 |
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English Chinese Chinese and English Japanese |
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May 2018 |
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Rev 3 |
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DB2885 |
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378 KB |
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