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7 … the world’s most energy friendly microcontrollers CPU and Memory Peripheral Reflex System Security Serial Interfaces Clock Management I/O Ports Timers and Triggers Analog Modules Energy Management High Freq Crystal Osc High Freq RC Osc Low Freq Crystal Osc Low Freq RC Osc ARM CortexM3 processor Voltage Regulator Voltage Comparator Poweron Reset Brownout Detector USART UART Low Energy UART I2C General Purpose I/O External Interrupt Pin Reset ADC LCD Controller Analog Comparator AES Accelerator Ultra Low Freq RC Osc Timer/ Counter Low Energy Timer Backup RTC Pulse Counter Watchdog Timer Low Energy Sensor IF Memory Protection Unit Operational Amplifier DAC Auxiliary RC Osc External Bus Interface USB Embedded Trace Macrocell Flash Program Memory RAM Memory Debug Interface DMA TFT Driver Backup Power Domain Real Time Counter GPIO Wakeup 32bit bus Available down to: EM1 (Sleep) EM0 (Run Mode) EM2 (Deep Sleep) EM3 (Stop Mode) EM4 (Shutoff Mode) … the world’s most energy friendly microcontrollers and radios 23May22 8 EFM32 Gecko Microcontrollers 20 Zero Gecko 48 Giant Gecko