Shenzhen Meiyuxin Technology Co., Ltd. [distributing ST MCU] sells STM32WB55CCU6 ARM microcontroller - MCU Ultra-low-power dual core Arm Cortex-M4 MCU 64 MHz, Cortex-M0+ 32 MHz 256 Kbytes! ! !

Product Description:

 radio

– 2.4 GHz

– RF transceiver specification supporting Bluetooth® 5.2, IEEE 802.15.4-2011 PHY and MAC, supporting Thread and Zigbee® 3.0

– RX Sensitivity: -96 dBm (energy at Bluetooth® Low1 Mbps), -100 dBm (802.15.4)

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

– Integrated balun to reduce BOM

– Supports 2 Mbps

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

– Accurate RSSI for power control

– Suitable for systems requiring compliance with radio frequency regulations ETSI EN300 328, EN 300 440, FCC CFR47 Part 15 and ARIB STD-T66

– Supports external PA

– Available Integrated Passive Devices (IPD) for optimally matched companion chip solutions (MLPF-WB-01E3 or MLPF-WB-02E3)

 Ultra-low power platform

– 1.71 to 3.6 V supply

– – 40 °C to 85 / 105 °C temperature range

– 13 nA shutdown mode

– 600 nA standby mode + RTC + 32 KB memory

– 2.1 µA stop mode + RTC + 256 KB RAM

– Active-mode MCU: < 53 µA/MHz at RF and switching power supply

– Radio: Rx 4.5 mA / Tx 5.2 mA at 0 dBm

 Core: Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive Real-Time Accelerator (ART Accelerator) allowing 0 wait-state execution from Flash, up to 64 MHz, MPU, 80 DMIPS and DSP instructions

 Performance benchmarks

– 1.25 DMIPS/MHz (Drystone 2.1)

– 219.48 CoreMark® (3.43 CoreMark/MHz at 64 MHz)

 Energy benchmarks

– 303 ULPMark™ CP scores

 Supply and reset management

– High Efficiency Embedded SMPS Buck Converter Mode with Smart Bypass

– Ultra-safe, low-power BOR (brownout-on-reset) with five selectable thresholds

– Ultra-low power POR/PDR

– Programmable Voltage Detector (PVD)

– VBAT mode with RTC and backup registers

 Clock source

– 32 MHz crystal oscillator with integrated trimmer capacitor (radio and CPU clock)

– 32 kHz crystal oscillator for RTC (LSE)

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

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

STM32WB55xx STM32WB35xx 2/193 DS11929 Rev 11

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

– High speed internal 16 MHz factory trimmed RC (±1%)

– 2x PLL for system clock, USB, SAI