STMicroelectronics has created a 40nm Bluetooth LE 5.3 wireless microcontroller family centred around a 100MHz Arm Cortex-M33 core – that’s the security-enabled version of the Cortex-M3, which has TrustZone virtualisation. Called STM32WBA52, the ICs are similar to the company’s earlier Cortex-M4-based STM32WB wireless microcontrollers, and have a +10dBm 2Mbit/s 2.4GHz transceiver (10.6mA at 0dBm TX, ...
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