STMicroelectronics Microcontroller The STMicroelectronics STM32L4 family type, UFQFPN package, surface mount, 32-pin 32-bit arm cortex-M4 core microcontroller. It has a voltage rating 3.6V. This operates at a maximum speed of 80MHz and features 512KB ISP flash program memory, 160KB of SRAM. It has features a floating-point unit (FPU) which supports Arm double-precision and single-precision data-processing instructions and data types. This device supports a full set of DSP instructions and a memory protection unit (MPU) to enhance application security. Features and Benefits • 83 of I/O pins
• A 14-channel DMA controller
• Batch acquisition mode (BAM) and brownout reset
• CAN (2.0B Active) and SDMMC interface
• Ethernet MAC interface DMA controller
• Four 16-bit timers
• Internal 48MHz with clock recovery
• On-chip power-on-reset (POR), voltage detector (LVD) and key interrupt function (KIF)
• One 16-bit ADC 5 Msps, up to 16 bit with hardware oversampling
• One 16-bit advanced motor control timers
• One 32-bit timer
• One operational amplifier with built-in PGA
• Operating temperature ranges between -40°C and 85°C
• RTC with HW calendar, alarms and calibration
• Serial interfaces- CAN, UART, I2C, LIN, CSIs and SPI
• Serial wire debug supported
• True random number generator (RNG)
• Two 12-bit DAC, low-power sample and hold
• Two AHB buses and a 32-bit multi-AHB bus matrix
• Up to 21 capacitive sensing channels- support touch key, linear and rotary touch sensors Applications • Electronic equipments
• Low power appliances
• Temperature sensors