EFR32FG22 Datasheet | Silicon Labs

FEATURES - 32-bit ARM® Cortex®-M33 core with 38.4 MHz maximum operating frequency - Up to 512 k B of flash and 32 k B of RAM - Energy-efficient radio core with low active and sleep currents - Integrated PA with up to 6 d Bm (2.4 GHz) TX power - Secure Boot with Root of Trust and Secure Loader (RTSL) - RFSENSE with selective OOK mode Core / Memory ARM Cortex TM M33 processor with DSP extensions, FPU and Trust Zone Flash Program Memory Debug Interface RAM Memory LDMA Controller Radio Subsystem RFSENSE w/ OOK Detect RX/TX Frontend with Integrated PA Frequency Synthesizer DEMOD IFADC AGC MOD ARM Cortex TM M0+ Radio Controller BUFC RAM Lowest power mode with peripheral operational: EM0- Active EM1- Sleep Clock Management HF Crystal Oscillator HF RC Oscillator Fast Startup RC Oscillator LF RC Oscillator LF Crystal Oscillator Ultra LF RC Oscillator 32-bit bus Peripheral Reflex System Serial Interfaces USART I/O Ports External...