STM32L442KCU6 STM32 32-bit Arm Cortex MCUs by STMicroelectronics
Ultra-low-power with FPU Arm Cortex-M4 MCU 80 MHz with 256 Kbytes of Flash memory, USB, AES-256, DFSDM
| Status: | Active |
|---|---|
| Series: | STM32L442KC |
| 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 8 nA Shutdown mode (2 wakeup pins) 28 nA Standby mode (2 wakeup pins) 280 nA Standby mode with RTC 1.0 μA Stop 2 mode, 1.28 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 85/105/125 °C temperature range |
| 8 nA Shutdown mode (2 wakeup pins) |
| 28 nA Standby mode (2 wakeup pins) |
| 280 nA Standby mode with RTC |
| 1.0 μA Stop 2 mode, 1.28 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 176.7 ULPBench® score |
| 176.7 ULPBench® score |
| Clock Sources 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, USB, audio, ADC |
| 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, USB, audio, ADC |
| Up to 26 fast I/Os, most 5 V-tolerant |
| RTC with HW calendar, alarms and calibration |
| Up to 3 capacitive sensing channels |
| 11x timers: 1x 16-bit advanced motor-control, 1x 32-bit and 2x 16-bit general purpose, 2x 16-bit basic, 2x low-power 16-bit timers (available in Stop mode), 2x watchdogs, SysTick timer |
| Memories 256 KB single bank Flash, proprietary code readout protection 64 KB of SRAM including 16 KB with hardware parity check Quad SPI memory interface |
| 256 KB single bank Flash, proprietary code readout protection |
| 64 KB of SRAM including 16 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 2x 12-bit DAC output channels, low-power sample and hold 1x operational amplifier with built-in PGA 2x ultra-low-power comparators |
| 1x 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 |
| 1x operational amplifier with built-in PGA |
| 2x ultra-low-power comparators |
| AES: 128/256-bit key encryption hardware accelerator |
| 14x communication interfaces USB 2.0 full-speed crystal less solution with LPM and BCD 1x SAI (serial audio interface) 2x 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) CAN (2.0B Active) SWPMI single wire protocol master I/F IRTIM (Infrared interface) |
| USB 2.0 full-speed crystal less solution with LPM and BCD |
| 1x SAI (serial audio interface) |
| 2x 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) |
| CAN (2.0B Active) |
| SWPMI single wire protocol master I/F |
| 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 |
|---|
| DS11450 Ultra-low-power Arm® Cortex®-M4 32-bit MCU+FPU, 100DMIPS, 256KB Flash, 64KB SRAM, USB FS, analog, audio, AES |
Programming Manuals |
|---|
| PM0214 STM32 Cortex®-M4 MCUs and MPUs programming manual |
Errata Sheets |
|---|
| ES0319 STM32L432KB/KC and STM32L442KC 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
| MCU, 32BIT, 80MHZ, UFQFPN-32 | Farnell |
| Mcu, 32Bit, 80Mhz, Ufqfpn-32 Rohs Compliant: Yes |Stmicroelectronics STM32L442KCU6 | Newark Electronics |
| MCU 32-Bit STM32L4x2 ARM Cortex M4 RISC 256KB Flash 3.3V 32-Pin UFQFPN 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 STM32L442KCU6?
Additional datasheets, footprints and schematics for STM32L442KCU6 are listed on our Part Details page. You can also find images and similar parts to STM32L442KCU6 on this page.
What pricing and inventory information can I view?
Distributor pricing and stock information is available for STM32L442KCU6 on our Product Comparison page. Access via the 'View Pricing & Stock' button to view STM32L442KCU6 price breaks, MOQs, lead times, inventory and SKUs from distributors.
What category does STM32L442KCU6 fall under?
The STM32L442KCU6 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 STM32L442KCU6 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 STM32L442KCU6 you can contact the distributor directly for product support, shipping queries etc.
Is the STM32L442KCU6 RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by STMicroelectronics.
Which authorised distributors for STM32L442KCU6 have stock available?
Authorised distributors including Farnell, element14, Newark Electronics, Avnet America and Arrow Electronics have stock available or on a lead time for STM32L442KCU6.
How do I check stock and lead times for all distributors?
Stock availability and lead times will be displayed for STM32L442KCU6 often in real-time on the comparison pages.
What if I can't find stock of STM32L442KCU6?
You can fill out our help required form which you can use to request a quote for STM32L442KCU6 from some of our verified obsolescence suppliers. Alternatively, contact us via our web chat in the bottom left of your screen and one of our team will try to help.