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Sub-GHz Wireless Microcontrollers. Arm Cortex-M4 @48 MHz with 256 Kbytes of Flash memory, 64 Kbytes
Programmable Bluetooth Low Energy 5.3 Wireless SoC
Ultra-low-power dual core Arm Cortex-M4 MCU 64 MHz, Cortex-M0+ 32 MHz with 512 Kbytes of Flash memor
±15kV ESD protection 3 to 5.5V low power, up to 250kbps, RS-232 drivers and receivers
3.3 V Powered, 15 kV ESD protected, up to 12 Mbps RS-485/RS-422 transceiver, [-40oC, 85oC] temperatu
512-Kbit serial I2C bus EEPROM 105°C operation
64-Kbit serial I2C bus EEPROM 105°C operation