STM32L412KBU6 STM32 32-bit Arm Cortex MCUs by STMicroelectronics
Ultra-low-power with FPU Arm Cortex-M4 MCU 80 MHz with 128 Kbytes of Flash memory, USB
| Status: | Active |
|---|---|
| Series: | STM32L412KB |
| RoHS: | Compliant |
Where to Buy
Prices starting from US$1.76
| Distributor | Stock | ||
|---|---|---|---|
|
Farnell
from US$3.25
|
15,611
in stock
|
Buy Now |
|
Newark Electronics
from US$2.26
|
22,979
in stock
|
Buy Now |
|
element14
from US$3.29
|
15,611
in stock
|
Buy Now |
|
Avnet Silica
-
|
5,390
in stock
|
Buy Now |
|
EBV Elektronik
-
|
1,470
in stock
|
Buy Now |
|
Future Electronics
from US$1.76
|
-
|
Buy Now |
|
Avnet America
from US$1.80
|
-
|
Buy Now |
Features
| Ultra-low-power with FlexPowerControl 1.71 V to 3.6 V power supply -40 °C to 85/125 °C temperature range 300 nA in VBAT mode: supply for RTC and 32x32-bit backup registers 16 nA Shutdown mode (4 wakeup pins) 32 nA Standby mode (4 wakeup pins) 245 nA Standby mode with RTC 0.7 µA Stop 2 mode, 0.95 µA with RTC 79 µA/MHz run mode (LDO Mode) 28 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 |
| 1.71 V to 3.6 V power supply |
| -40 °C to 85/125 °C temperature range |
| 300 nA in VBAT mode: supply for RTC and 32x32-bit backup registers |
| 16 nA Shutdown mode (4 wakeup pins) |
| 32 nA Standby mode (4 wakeup pins) |
| 245 nA Standby mode with RTC |
| 0.7 µA Stop 2 mode, 0.95 µA with RTC |
| 79 µA/MHz run mode (LDO Mode) |
| 28 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) |
| 1.25 DMIPS/MHz (Drystone 2.1) |
| 273.55 CoreMark® (3.42 CoreMark/MHz @ 80 MHz) |
| Energy benchmark 442 ULPMark-CP® 165 ULPMark-PP® |
| 442 ULPMark-CP® |
| 165 ULPMark-PP® |
| 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 PLL for system clock |
| 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 |
| PLL for system clock |
| Up to 52 fast I/Os, most 5 V-tolerant |
| RTC with HW calendar, alarms and calibration |
| Up to 12 capacitive sensing channels: support touchkey, linear and rotary touch sensors |
| 10x timers: 1x 16-bit advanced motor-control, 1x 32-bit and 2x 16-bit general purpose, 1x 16-bit basic, 2x low-power 16-bit timers (available in Stop mode), 2x watchdogs, SysTick timer |
| Memories 128 KB single bank Flash, proprietary code readout protection 40 KB of SRAM including 8 KB with hardware parity check Quad SPI memory interface with XIP capability |
| 128 KB single bank Flash, proprietary code readout protection |
| 40 KB of SRAM including 8 KB with hardware parity check |
| Quad SPI memory interface with XIP capability |
| Rich analog peripherals (independent supply) 2x 12-bit ADC 5 Msps, up to 16-bit with hardware oversampling, 200 µA/Msps 2x operational amplifiers with built-in PGA 1x ultra-low-power comparator Accurate 2.5 V or 2.048 V reference voltage buffered output |
| 2x 12-bit ADC 5 Msps, up to 16-bit with hardware oversampling, 200 µA/Msps |
| 2x operational amplifiers with built-in PGA |
| 1x ultra-low-power comparator |
| Accurate 2.5 V or 2.048 V reference voltage buffered output |
| 12x communication interfaces USB 2.0 full-speed crystal less solution with LPM and BCD 3x I2C FM+(1 Mbit/s), SMBus/PMBus 3x USARTs (ISO 7816, LIN, IrDA, modem) 1x LPUART (Stop 2 wake-up) 2x SPIs (and 1x Quad SPI) IRTIM (Infrared interface) |
| USB 2.0 full-speed crystal less solution with LPM and BCD |
| 3x I2C FM+(1 Mbit/s), SMBus/PMBus |
| 3x USARTs (ISO 7816, LIN, IrDA, modem) |
| 1x LPUART (Stop 2 wake-up) |
| 2x SPIs (and 1x Quad SPI) |
| 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 |
Resources
Product Specifications |
|---|
| DS12469 Ultra-low-power Arm® Cortex®-M4 32-bit MCU+FPU, 100DMIPS up to 128KB Flash, 40KB SRAM, analog, ext. SMPS |
Programming Manuals |
|---|
| PM0214 STM32 Cortex®-M4 MCUs and MPUs programming manual |
Errata Sheets |
|---|
| ES0456 STM32L412xx device errata |
Magazine Articles |
|---|
| Design & Elektronik - August 2017 |
| Design & Elektronik magazine - Benchmark ULPBench debunked |
Alternative Descriptions
| Mcu, 32 Bit, 128Kb, 80Mhz, Qfn-32 | Newark Electronics |
| MCU, 32BIT, 80MHZ, QFN-32 | element14 |
| MCU 32-Bit ARM Cortex-M4F RISC 128KB Flash 1.71V to 3.6V 32-Pin UFQFPN Tray | Avnet Silica |
| STM32L Series 128 KB Flash 40 kB RAM 32-Bit SMT Microcontroller - UFQFN-32 | Future Electronics |
Frequently Asked Questions
Where can I find additional details, specifications and documents for a STM32L412KBU6?
Additional datasheets, footprints and schematics for STM32L412KBU6 are listed on our Part Details page. You can also find images and similar parts to STM32L412KBU6 on this page.
What pricing and inventory information can I view?
Distributor pricing and stock information is available for STM32L412KBU6 on our Product Comparison page. Access via the 'View Pricing & Stock' button to view STM32L412KBU6 price breaks, MOQs, lead times, inventory and SKUs from distributors.
What category does STM32L412KBU6 fall under?
The STM32L412KBU6 is listed under Microcontrollers & Microprocessors > STM32 32-bit Arm Cortex MCUs > STM32 Ultra Low Power MCUs > STM32L4 Series > STM32L4x2.
Can I view similar or alternative parts?
You can view similar parts to STM32L412KBU6 when available in the STM32L4x2 range under the specifications section at the bottom of the details page.
Who can I contact for technical support of the product?
Submit any questions directly to the customer support team of the distributor listing the product. For the STM32L412KBU6 you can contact the distributor directly for product support, shipping queries etc.
Is the STM32L412KBU6 RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by STMicroelectronics.
Which authorised distributors for STM32L412KBU6 have stock available?
Authorised distributors including Newark Electronics, element14, Farnell, Avnet Silica and EBV Elektronik have stock available or on a lead time for STM32L412KBU6.
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