STM32L475xx Ultra-low-power Arm Cortex -M4 32-bit MCU+FPU, 100DMIPS, up to 1MB Flash, 128 KB SRAM, USB OTG FS, analog, audio Datasheet - production data Features Ultra-low-power with FlexPowerControl LQFP100 (14 x 14) 1.71 V to 3.6 V power supply LQFP64 (10 x 10) -40 C to 85/105/125 C temperature range RTC with HW calendar, alarms and calibration 300 nA in V mode: supply for RTC and BAT Up to 21 capacitive sensing channels: support 32x32-bit backup registers touchkey, linear and rotary touch sensors 30 nA Shutdown mode (5 wakeup pins) 16x timers: 2x 16-bit advanced motor-control, 120 nA Standby mode (5 wakeup pins) 2x 32-bit and 5x 16-bit general purpose, 2x 16- 420 nA Standby mode with RTC bit basic, 2x low-power 16-bit timers (available 1.1 A Stop 2 mode, 1.4 A with RTC in Stop mode), 2x watchdogs, SysTick timer 100 A/MHz run mode Memories Batch acquisition mode (BAM) Up to 1 MB Flash, 2 banks read-while- 4 s wakeup from Stop mode write, proprietary code readout protection Brown out reset (BOR) Up to 128 KB of SRAM including 32 KB Interconnect matrix with hardware parity check Core: Arm 32-bit Cortex -M4 CPU with FPU, External memory interface for static Adaptive real-time accelerator (ART memories supporting SRAM, PSRAM and Accelerator) allowing 0-wait-state execution NOR memories from Flash memory, frequency up to 80 MHz, Quad SPI memory interface MPU, 100DMIPS and DSP instructions 4x digital filters for sigma delta modulator Performance benchmark Rich analog peripherals (independent supply) 1.25 DMIPS/MHz (Drystone 2.1) 3x 12-bit ADC 5 Msps, up to 16-bit with 273.55 CoreMark (3.42 CoreMark/MHz hardware oversampling, 200 A/Msps 80 MHz) 2x 12-bit DAC output channels, low-power Energy benchmark sample and hold 294 ULPMark CP score 2x operational amplifiers with built-in PGA 106 ULPMark PP score 2x ultra-low-power comparators Clock Sources 20x communication interfaces 4 to 48 MHz crystal oscillator USB OTG 2.0 full-speed, LPM and BCD 32 kHz crystal oscillator for RTC (LSE) 2x SAIs (serial audio interface) Internal 16 MHz factory-trimmed RC (1%) 3x I2C FM+(1 Mbit/s), SMBus/PMBus Internal low-power 32 kHz RC (5%) 5x USARTs (ISO 7816, LIN, IrDA, modem) Internal multispeed 100 kHz to 48 MHz 1x LPUART (Stop 2 wake-up) oscillator, auto-trimmed by LSE (better than 3x SPIs (and 1x Quad SPI) 0.25 % accuracy) CAN (2.0B Active) and SDMMC interface 3 PLLs for system clock, USB, audio, ADC SWPMI single wire protocol master I/F Up to 114 fast I/Os, most 5 V-tolerant IRTIM (Infrared interface) March 2019 DS10969 Rev 5 1/204 This is information on a product in full production. www.st.comSTM32L475xx 14-channel DMA controller Development support: serial wire debug (SWD), JTAG, Embedded Trace Macrocell True random number generator All packages are ECOPACK2 compliant CRC calculation unit, 96-bit unique ID Table 1. Device summary Reference Part numbers STM32L475RG, STM32L475VG, STM32L475RE, STM32L475VE, STM32L475RC, STM32L475xx STM32L475VC 2/204 DS10969 Rev 5