EFR32SG28
Overview
- 32-bit ARM® Cortex®-M33 core with 78 MHz maximum operating frequency
- 1024 kB of flash and up to 256 kB of RAM
- Energy-efficient radio core with low active and sleep currents
- Integrated PAs with up to 20 dBm for sub- GHz and 10 dBm for BLE transmit power
- Robust peripheral set and up to 49 GPIO
- QFN48 and QFN68 package options Core / Memory ARM CortexTM M33 DSP extensions, FPU, TrustZone Flash Memory 1024 kB AI/ML Hardware Accelerator Debug Interface SWD, ETM, JTAG RAM Memory 256 kB 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 I/F Sub-GHz RX/TX with +14 or +20 dBm PA
- 4 GHz BLE RX/TX with
