Status: | Active |
---|---|
Series: | STM32L451RC |
RoHS: | Compliant |
Ultra-low-power with FlexPowerControl 1.71 V to 3.6 V power supply -40 °C to 85/125 °C temperature range 145 nA in VBAT mode: supply for RTC and 32x32-bit backup registers 22 nA Shutdown mode (5 wakeup pins) 106 nA Standby mode (5 wakeup pins) 375 nA Standby mode with RTC 2.05 µA Stop 2 mode, 2.40 µA with RTC 84 µA/MHz run mode Batch acquisition mode (BAM) 4 µs wakeup from Stop mode Brown out reset (BOR) Interconnect matrix |
1.71 V to 3.6 V power supply |
-40 °C to 85/125 °C temperature range |
145 nA in VBAT mode: supply for RTC and 32x32-bit backup registers |
22 nA Shutdown mode (5 wakeup pins) |
106 nA Standby mode (5 wakeup pins) |
375 nA Standby mode with RTC |
2.05 µA Stop 2 mode, 2.40 µA with RTC |
84 µA/MHz run 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) |
1.25 DMIPS/MHz (Drystone 2.1) |
273.55 CoreMark® (3.42 CoreMark/MHz @ 80 MHz) |
Energy benchmark 335 ULPMark™ CP score 104 ULPMark™ PP score |
335 ULPMark™ CP score |
104 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%) Internal multispeed 100 kHz to 48 MHz oscillator, auto-trimmed by LSE (better than ±0.25 % accuracy) Internal 48 MHz with clock recovery 2 PLLs for system clock, 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) |
Internal 48 MHz with clock recovery |
2 PLLs for system clock, audio, ADC |
Up to 83 fast I/Os, most 5 V-tolerant |
RTC with HW calendar, alarms and calibration |
Up to 21 capacitive sensing channels: support touchkey, linear and rotary touch sensors |
12x timers: 1x 16-bit advanced motor-control, 1x 32-bit and 3x 16-bit general purpose, 2x 16-bit basic, 2x low-power 16-bit timers (available in Stop mode), 2x watchdogs, SysTick timer |
Memories Up to 512 KB single bank Flash, proprietary code readout protection 160 KB of SRAM including 32 KB with hardware parity check Quad SPI memory interface |
Up to 512 KB single bank Flash, proprietary code readout protection |
160 KB of SRAM including 32 KB with hardware parity check |
Quad SPI memory interface |
Rich analog peripherals (independent supply) 1x 12-bit ADC 5 Msps, up to 16-bit with hardware oversampling, 200 µA/Msps 1x 12-bit DAC output channels, low-power sample and hold 1x operational amplifier with built-in PGA 2x ultra-low-power comparators Accurate 2.5 V or 2.048 V reference voltage buffered output |
1x 12-bit ADC 5 Msps, up to 16-bit with hardware oversampling, 200 µA/Msps |
1x 12-bit DAC output channels, low-power sample and hold |
1x operational amplifier with built-in PGA |
2x ultra-low-power comparators |
Accurate 2.5 V or 2.048 V reference voltage buffered output |
16x communication interfaces 1x SAI (serial audio interface) 4x I2C FM+(1 Mbit/s), SMBus/PMBus 3x USARTs (ISO 7816, LIN, IrDA, modem) 1x UART (LIN, IrDA, modem) 1x LPUART (Stop 2 wake-up) 3x SPIs (and 1x Quad SPI) CAN (2.0B Active) and SDMMC interface IRTIM (Infrared interface) |
1x SAI (serial audio interface) |
4x I2C FM+(1 Mbit/s), SMBus/PMBus |
3x USARTs (ISO 7816, LIN, IrDA, modem) |
1x UART (LIN, IrDA, modem) |
1x LPUART (Stop 2 wake-up) |
3x SPIs (and 1x Quad SPI) |
CAN (2.0B Active) and SDMMC interface |
IRTIM (Infrared interface) |
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™ |
All packages are ECOPACK2® compliant |
Product Specifications |
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DS11910 Ultra-low-power Arm® Cortex®-M4 32-bit MCU+FPU, 100DMIPS, up to 512KB Flash, 160KB SRAM, analog, audio |
Programming Manuals |
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PM0214 STM32 Cortex®-M4 MCUs and MPUs programming manual |
Errata Sheets |
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ES0387 STM32L451xx device errata |
Design Notes & Tips |
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DT0117 MIcrophone array beamforming in the PCM and PDM domain |
Magazine Articles |
---|
Design & Elektronik - August 2017 |
Design & Elektronik magazine - Benchmark ULPBench debunked |
MCU 32-Bit ARM Cortex-M4F RISC 256KB Flash 1.71V to 3.6V 64-Pin UFBGA Tray | Avnet Silica |
Stm32L |Stmicroelectronics STM32L451RCI6 | Newark Electronics |
MCU, ARM CORTEX-M4, 80MHZ, UFBGA-64 | element14 |
Where can I find additional details, specifications and documents for a STM32L451RCI6?
Additional datasheets, footprints and schematics for STM32L451RCI6 are listed on our Part Details page. You can also find images and similar parts to STM32L451RCI6 on this page.
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What category does STM32L451RCI6 fall under?
The STM32L451RCI6 is listed under Microcontrollers & Microprocessors > STM32 32-bit Arm Cortex MCUs > STM32 Ultra Low Power MCUs > STM32L4 Series > STM32L4x1.
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Is the STM32L451RCI6 RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by STMicroelectronics.
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