STM32L476xx Ultra-low-power Arm Cortex -M4 32-bit MCU+FPU, 100DMIPS, up to 1MB Flash, 128 KB SRAM, USB OTG FS, LCD, ext. SMPS Datasheet - production data Features Ultra-low-power with FlexPowerControl LQFP144 (20 20) UFBGA132 (7 7) 1.71 V to 3.6 V power supply LQFP100 (14 14) WLCSP72 UFBGA144 (10 10) LQFP64 (10 10) WLCSP81 -40 C to 85/105/125 C temperature range 300 nA in V mode: supply for RTC and BAT Up to 114 fast I/Os, most 5 V-tolerant, up to 14 32x32-bit backup registers I/Os with independent supply down to 1.08 V 30 nA Shutdown mode (5 wakeup pins) RTC with HW calendar, alarms and calibration 120 nA Standby mode (5 wakeup pins) LCD 8 40 or 4 44 with step-up converter 420 nA Standby mode with RTC Up to 24 capacitive sensing channels: support 1.1 A Stop 2 mode, 1.4 A with RTC touchkey, linear and rotary touch sensors 100 A/MHz run mode (LDO Mode) 16x timers: 2x 16-bit advanced motor-control, 39 A/MHz run mode ( 3.3 V SMPS 2x 32-bit and 5x 16-bit general purpose, 2x 16- Mode) bit basic, 2x low-power 16-bit timers (available Batch acquisition mode (BAM) in Stop mode), 2x watchdogs, SysTick timer 4 s wakeup from Stop mode Memories Brown out reset (BOR) Up to 1 MB Flash, 2 banks read-while- Interconnect matrix write, proprietary code readout protection Core: Arm 32-bit Cortex -M4 CPU with FPU, Up to 128 KB of SRAM including 32 KB Adaptive real-time accelerator (ART with hardware parity check Accelerator) allowing 0-wait-state execution External memory interface for static from Flash memory, frequency up to 80 MHz, memories supporting SRAM, PSRAM, MPU, 100DMIPS and DSP instructions NOR and NAND memories Performance benchmark Quad SPI memory interface 1.25 DMIPS/MHz (Drystone 2.1) 4x digital filters for sigma delta modulator 273.55 CoreMark (3.42 CoreMark/MHz Rich analog peripherals (independent supply) 80 MHz) 3x 12-bit ADC 5 Msps, up to 16-bit with Energy benchmark hardware oversampling, 200 A/Msps 294 ULPMark CP score 2x 12-bit DAC output channels, low-power 106 ULPMark PP score sample and hold Clock Sources 2x operational amplifiers with built-in PGA 4 to 48 MHz crystal oscillator 2x ultra-low-power comparators 32 kHz crystal oscillator for RTC (LSE) 20x communication interfaces Internal 16 MHz factory-trimmed RC (1%) USB OTG 2.0 full-speed, LPM and BCD Internal low-power 32 kHz RC (5%) 2x SAIs (serial audio interface) Internal multispeed 100 kHz to 48 MHz 3x I2C FM+(1 Mbit/s), SMBus/PMBus oscillator, auto-trimmed by LSE (better than 5x USARTs (ISO 7816, LIN, IrDA, modem) 0.25 % accuracy) 1x LPUART (Stop 2 wake-up) 3 PLLs for system clock, USB, audio, ADC June 2019 DS10198 Rev 8 1/270 This is information on a product in full production. www.st.comSTM32L476xx 3x SPIs (and 1x Quad SPI) True random number generator CAN (2.0B Active) and SDMMC interface CRC calculation unit, 96-bit unique ID SWPMI single wire protocol master I/F Development support: serial wire debug IRTIM (Infrared interface) (SWD), JTAG, Embedded Trace Macrocell 14-channel DMA controller All packages are ECOPACK2 compliant Table 1. Device summary Reference Part numbers STM32L476RG, STM32L476JG, STM32L476MG, STM32L476ME, STM32L476VG, STM32L476xx STM32L476QG, STM32L476ZG, STM32L476RE, STM32L476JE, STM32L476VE, STM32L476QE, STM32L476ZE, STM32L476RC, STM32L476VC 2/270 DS10198 Rev 8