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STM32L476QE Dataheets PDF



Part Number STM32L476QE
Manufacturers STMicroelectronics
Logo STMicroelectronics
Description 32-bit MCU+FPU
Datasheet STM32L476QE DatasheetSTM32L476QE Datasheet (PDF)

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 Includes ST state-of-the-art patented technology • Ultra-low-power with FlexPowerControl – 1.71 V to 3.6 V power supply – -40 °C to 85/105/125 °C temperature range – 300 nA in VBAT mode: supply for RTC and 32x32-bit backup registers – 30 nA Shutdown mode (5 wakeup pins) – 120 nA Standby mode (5 wakeup pins) – 420 nA Standby mode wit.

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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 Includes ST state-of-the-art patented technology • Ultra-low-power with FlexPowerControl – 1.71 V to 3.6 V power supply – -40 °C to 85/105/125 °C temperature range – 300 nA in VBAT mode: supply for RTC and 32x32-bit backup registers – 30 nA Shutdown mode (5 wakeup pins) – 120 nA Standby mode (5 wakeup pins) – 420 nA Standby mode with RTC – 1.1 µA Stop 2 mode, 1.4 µA with RTC – 100 µA/MHz run mode (LDO Mode) – 39 μA/MHz run mode (@3.3 V SMPS Mode) – Batch acquisition mode (BAM) – 4 µs wakeup from Stop mode – Brown out reset (BOR) – Interconnect matrix • Core: Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™) allowing 0-wait-state execution from flash memory, frequency up to 80 MHz, MPU, 100DMIPS and DSP instructions • Performance benchmark – 1.25 DMIPS/MHz (Drystone 2.1) – 273.55 CoreMark® (3.42 CoreMark/MHz @ 80 MHz) • Energy benchmark – 294 ULPMark™ CP score – 106 ULPMark™ PP score • Clock Sources – 4 to 48 MHz crystal oscillator – 32 kHz crystal oscillator for RTC (LSE) – Internal 16 MHz factory-trimmed RC (±1%) – Internal low-power 32 kHz RC (±5%) LQFP144 (20 × 20) LQFP100 (14 × 14) LQFP64 (10 × 10) UFBGA132 (7 × 7) UFBGA144 (10 × 10) WLCSP72 WLCSP81 WLCSP99 – Internal multispeed 100 kHz to 48 MHz oscillator, auto-trimmed by LSE (better than ±0.25 % accuracy) – 3 PLLs for system clock, USB, audio, ADC • Up to 114 fast I/Os, most 5 V-tolerant, up to 14 I/Os with independent supply down to 1.08 V • RTC with HW calendar, alarms and calibration • LCD 8× 40 or 4× 44 with step-up converter • Up to 24 capacitive sensing channels: support touchkey, linear and rotary touch sensors • 16x timers: 2x 16-bit advanced motor-control, 2x 32-bit and 5x 16-bit general purpose, 2x 16bit basic, 2x low-power 16-bit timers (available in Stop mode), 2x watchdogs, SysTick timer • Memories – Up to 1 MB flash, 2 banks read-while-write, proprietary code readout protection – Up to 128 KB of SRAM including 32 KB with hardware parity check – External memory interface for static memories supporting SRAM, PSRAM, NOR and NAND memories – Quad SPI memory interface • 4x digital filters for sigma delta modulator • Rich analog peripherals (independent supply) – 3x 12-bit ADC 5 Msps, up to 16-bit with hardware oversampling, 200 µA/Msps – 2x 12-bit DAC output channels, low-power sample and hold – 2x operational amplifiers with built-in PGA – 2x ultra-low-power comparators • 20x communication interfaces – USB OTG 2.0 full-speed, LPM and BCD – 2x SAIs (serial audio interface) March 2024 This is information on a product in full production. DS10198 Rev 9 1/271 www.st.com STM32L476xx – 3x I2C FM+(1 Mbit/s), SMBus/PMBus • 14-channel DMA controller – 5x USARTs (ISO 7816, LIN, IrDA, modem) • True random number generator – 1x LPUART (Stop 2 wake-up) – 3x SPIs (and 1x Quad SPI) – CAN (2.0B Active) and SDMMC interface – SWPMI single wire protocol master I/F – IRTIM (Infrared interface) • CRC calculation unit, 96-bit unique ID • Development support: serial wire debug (SWD), JTAG, Embedded Trace Macrocell™ • All packages are ECOPACK2 compliant Table 1. Device summary Reference Part numbers STM32L476xx STM32L476RC, STM32L476VC, STM32L476JE, STM32L476ME, STM32L476QE, STM32L476RE, STM32L476VE, STM32L476ZE, STM32L476JG, STM32L476MG, STM32L476QG, STM32L476RG, STM32L476VG, STM32L476ZG 2/271 DS10198 Rev 9 STM32L476xx Contents Contents 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 2 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 3 Functional overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 3.1 Arm® Cortex®-M4 core with FPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 3.2 Adaptive real-time memory accelerator (ART Accelerator™) . . . . . . . . . 18 3.3 Memory protection unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 3.4 Embedded flash memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 3.5 Embedded SRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 3.6 Firewall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 3.7 Boot modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 3.8 Cyclic redundancy check calculation unit (CRC) . . . . . . . . . . . . . . . . . . . 21 3.9 Power supply management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 3.9.


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