STM32L475RET6 STM32 32-bit Arm Cortex MCUs by STMicroelectronics
Ultra-low-power with FPU Arm Cortex-M4 MCU 80 MHz with 512 Kbytes of Flash memory, USB OTG, DFSDM
| Status: | Active |
|---|---|
| Series: | STM32L475RE |
| RoHS: | Compliant |
Features
| 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 Stop 2 with RTC 100 μA/MHz run mode Batch acquisition mode (BAM) 4 μs wakeup from Stop mode Brown out reset (BOR) in all modes except shutdown Interconnect matrix |
| 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 Stop 2 with RTC |
| 100 μA/MHz run mode |
| Batch acquisition mode (BAM) |
| 4 μs wakeup from Stop mode |
| Brown out reset (BOR) in all modes except shutdown |
| 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/1.25DMIPS/MHz (Dhrystone 2.1), and DSP instructions |
| 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%) 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 |
| 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%) |
| 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 |
| RTC with HW calendar, alarms and calibration |
| Up to 21 capacitive sensing channels: support touchkey, linear and rotary touch sensors |
| 16x timers: 2 x 16-bit advanced motor-control, 2 x 32-bit and 5 x 16-bit general purpose, 2x 16-bit basic, 2x low-power 16-bit timers (available in Stop mode), 2x watchdogs, SysTick timer |
| Up to 114 fast I/Os, most 5 V-tolerant, up to 14 I/Os with independent supply down to 1.08 V |
| 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 |
| 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) 2× 12-bit ADC 5 Msps, up to 16-bit with hardware oversampling, 200 μA/Msps 2x 12-bit DAC, low-power sample and hold 2x operational amplifiers with built-in PGA 2x ultra-low-power comparators |
| 2× 12-bit ADC 5 Msps, up to 16-bit with hardware oversampling, 200 μA/Msps |
| 2x 12-bit DAC, low-power sample and hold |
| 2x operational amplifiers with built-in PGA |
| 2x ultra-low-power comparators |
| 18x communication interfaces USB OTG 2.0 full-speed, LPM and BCD 2x SAIs (serial audio interface) 3x I2C FM+(1 Mbit/s), SMBus/PMBus 6x USARTs (ISO 7816, LIN, IrDA, modem) 3x SPIs (4x SPIs with the Quad SPI) CAN (2.0B Active) and SDMMC interface SWPMI single wire protocol master I/F |
| USB OTG 2.0 full-speed, LPM and BCD |
| 2x SAIs (serial audio interface) |
| 3x I2C FM+(1 Mbit/s), SMBus/PMBus |
| 6x USARTs (ISO 7816, LIN, IrDA, modem) |
| 3x SPIs (4x SPIs with the Quad SPI) |
| CAN (2.0B Active) and SDMMC interface |
| SWPMI single wire protocol master I/F |
| 14-channel DMA controller |
| True random number generator |
| CRC calculation unit, 96-bit unique ID |
| Development support: serial wire debug (SWD), JTAG, Embedded Trace Macrocell™ |
Resources
Product Specifications |
|---|
| DS10969 Ultra-low-power Arm® Cortex®-M4 32-bit MCU+FPU, 100DMIPS, up to 1MB Flash, 128 KB SRAM, USB OTG FS, analog, audio |
Reference Manuals |
|---|
| RM0351 STM32L47xxx, STM32L48xxx, STM32L49xxx and STM32L4Axxx advanced Arm®-based 32-bit MCUs |
Programming Manuals |
|---|
| PM0214 STM32 Cortex®-M4 MCUs and MPUs programming manual |
Errata Sheets |
|---|
| ES0302 STM32L475xx device errata |
Design Notes & Tips |
|---|
| DT0117 MIcrophone array beamforming in the PCM and PDM domain |
Magazine Articles |
|---|
| Design & Elektronik - August 2017 |
| Design & Elektronik magazine - Benchmark ULPBench debunked |
Alternative Descriptions
| STM32L Series 512 KB Flash 128 KB SRAM 80 MHz 32-Bit Microcontroller - LQFP-64 | Future Electronics |
| MCU, 32BIT, 80MHZ, LQFP-64 | element14 |
| Mcu, 32Bit, 80Mhz, Lqfp-64 Rohs Compliant: Yes |Stmicroelectronics STM32L475RET6 | Newark Electronics |
| MCU 32-Bit STM32 ARM Cortex M4 RISC 512KB Flash 1.8V/3.3V 64-Pin LQFP Tray | Avnet America |
| Ultra-low-power FPU Arm Cortex-M4 MCU 80 | Mouser Electronics |
Frequently Asked Questions
Where can I find additional details, specifications and documents for a STM32L475RET6?
Additional datasheets, footprints and schematics for STM32L475RET6 are listed on our Part Details page. You can also find images and similar parts to STM32L475RET6 on this page.
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What category does STM32L475RET6 fall under?
The STM32L475RET6 is listed under Microcontrollers & Microprocessors > STM32 32-bit Arm Cortex MCUs > STM32 Ultra Low Power MCUs > STM32L4 Series > STM32L4x5.
Can I view similar or alternative parts?
You can view similar parts to STM32L475RET6 when available in the STM32L4x5 range under the specifications section at the bottom of the details page.
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Is the STM32L475RET6 RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by STMicroelectronics.
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Authorised distributors including Future Electronics, Arrow Electronics, element14, Farnell and Newark Electronics have stock available or on a lead time for STM32L475RET6.
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