STMicroelectronics, 32 bit ARM Cortex M4, STM32L4R9ZG Microcontroller, 120 MHz, 1024kB FLASH, 144-Pin UFBGA

The STMicroelectronics STM32 devices are an ultra-low-power microcontrollers family (STM32L4+ Series) based on the high-performance Arm® Cortex®-M4 32-bit RISC core. They operate at a frequency of up to 120 MHz The Cortex-M4 core features a single-precision floating-point unit (FPU), which supports all the Arm® single-precision data-processing instructions and all the data types. The Cortex-M4 core also implements a full set of DSP (digital signal processing) instructions and a memory protection unit (MPU) which enhances the application’s security.

• 1.71 V to 3.6 V power supply
• -40 °C to 85/125 °C temperature range
• Batch acquisition mode (BAM)
• 305 nA in VBAT mode: supply for RTC and 32x32-bit backup registers
• 33 nA Shutdown mode (5 wakeup pins)
• 125 nA Standby mode (5 wakeup pins)
• 420 nA Standby mode with RTC
• 2.8 μA Stop 2 with RTC
• 110 μA/MHz Run mode (LDO mode)
• 43 μA/MHz Run mode (@ 3.3 V SMPS mode)
• 5 μs wakeup from Stop mode
• Brownout reset (BOR) in all modes except shutdown
• Interconnect matrix