STMicroelectronics STM32WB55VYY6TR RF Microcontrollers - MCU Ultra-low-power dual core Arm Cortex-M4 MCU 64 MHz, Cortex-M0+ 32 MHz 640 Kbytes

Core: ARM Cortex M4

Technology: Si

Data RAM Size: 256 kB

Data RAM Type: SRAM

ADC Resolution: 12 bit

Data Bus Width: 32 bit

Interface Type: I2C, SPI

Mounting Style: SMD/SMT

Number of I/Os: 72 I/O

Program Memory Size: 640 kB

Program Memory Type: Flash

Supply Voltage - Max: 3.6 V

Supply Voltage - Min: 1.71 V

Maximum Clock Frequency: 32 MHz

Operating Supply Voltage: 1.71 V to 3.6 V

Maximum Operating Temperature: + 105 C

Minimum Operating Temperature: - 40 C