EFR32BG21 Datasheet | Silicon Labs

FEATURES - 32-bit ARM® Cortex®-M33 core with 80 MHz maximum operating frequency - Up to 1024 k B of flash and 96 k B of RAM - 12-channel Peripheral Reflex System enabling autonomous interaction of MCU peripherals - Integrated PA with up to 20 d Bm (2.4 GHz) TX power - Robust peripheral set and up to 20 GPIO in a 4x4 QFN package Core / Memory ARM Cortex TM M33 processor with DSP extensions, FPU and Trust Zone Flash Program Memory Secure Boot with Root of Trust and Secure Loader Secure Debug RAM Memory LDMA Controller FRC BUFC Radio Transceiver RF Frontend I LNA Q DEMOD IFADC Frequency Synth AGC MOD Lowest power mode with peripheral operational: EM0- Active EM1- Sleep CRC RAC Clock Management HF Crystal Oscillator EM23 HF RC Oscillator HF RC Oscillator Fast Startup RC Oscillator LF Crystal Oscillator Ultra LF RC Oscillator LF RC Oscillator Energy...