EFR32FG28 Datasheet | Silicon Labs

FEATURES - 32-bit ARM® Cortex®-M33 core with 78 MHz maximum operating frequency - 1024 k B of flash and up to 256 k B of RAM - Energy-efficient radio core with low active and sleep currents - Integrated PAs with up to 20 d Bm for sub- GHz and 10 d Bm for BLE transmit power - Robust peripheral set and up to 49 GPIO - QFN48 and QFN68 package options Core / Memory ARM Cortex TM M33 DSP extensions, FPU, Trust Zone Flash Memory 1024 k B AI/ML Hardware Accelerator Debug Interface SWD, ETM, JTAG RAM Memory 256 k B 8-Channel Linked DMA Controller Clock Management HF Crystal Oscillator HF RC Oscillator Fast Startup LF RC RC Oscillator Oscillator LF Crystal Oscillator Ultra LF RC Oscillator Energy Management DC-DC Buck Voltage Regulator Regulators Brown-Out Power-On Detectors Reset Security Crypto Acceleration, TRNG, PUF Key Secure Boot RTSL Secure Debug DPA Countemeasures Tamper Detect Radio Serial Interfaces 32-bit bus 12-Channel Peripheral Reflex System Timers and Triggers I/O Ports Analog...