EFM32WG332F256-B-QFP64R

EFM32WG332F256-B-QFP64R is an EFM32 Wonder Gecko ARM Cortex-M4 based microcontroller (MCU) with speeds up to 48MHz. With the full DSP instruction set and floating point unit in this device, developers can speed up computation performance. In addition, this device includes 256KB flash, 32KB RAM, 50 Dig I/O pins, 4 x 16bit timers, and multiple communication interfaces. It also features autonomous peripherals, high overall chip and analogue integration, and the performance of the industry standard 32bit ARM CortexM4 with floating-point unit (FPU) processor, making it perfect for battery-powered systems and systems with high-performance, low-energy requirements. Typical applications are energy, gas, water, and smart metering, health and fitness applications, smart accessories, alarm and security systems, industrial and home automation.

• Ultra-low power operation, 0.65μA current in Stop (EM3) with brown-out detection and RAM retention
• 63μA/MHz in EM1, 211μA/MHz in run mode (EM0)
• Fast wake-up time of 2µs, hardware cryptography (AES)
• 16 asynchronous external interrupts, output state retention and wake-up from shutoff mode
• 12 channel peripheral reflex system (PRS) for autonomous inter-peripheral signalling
• 3× 16/8bit pulse counter, watchdog timer with dedicated RC oscillator at 50nA
• 2× low energy UART, autonomous operation with DMA in deep sleep mode
• Wide range of sensors supported, including LC sensors and capacitive buttons
• Ultra-efficient power-on reset and brown-out detector, pre-programmed USB/UART Bootloader
• Single power supply range 1.98 to 3.8V, TQFP64 package, -40 to 85°C temperature range