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- STM32L452RET6TR - ST Microelectronics
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Manufacturer:ST Microelectronics
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ManyChip's Part#:MC266141532
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Package:LQFP-64
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Datasheet:Datasheet 3D Model
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Description:Ultra-low-power with FPU ARM Cortex-M4 MCU 80MHz with 512 Kbytes Flash, USB Device, DFSDM
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Stock Locations:
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Availability:9,998 pcs In Stock
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MOQ:1 pcs
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Unit Price:$ 18.52
Updated at 15/12/2025 10:30:15(UTC+8)
Certifications
ManyChip is committed to product quality and safety with ISO 9001, ISO 13485, ISO 45001, UL, RoHS, CQC and REACH certifications.
Description
- The STM32L452xx devices are the ultra-low-power microcontrollers based on the high-performance ARM® Cortex®-M4 32-bit RISC core operating at a frequency of up to 80 MHz. The Cortex-M4 core features a Floating point unit (FPU) single precision which supports all ARM single-precision data-processing instructions and data types. It also implements a full set of DSP instructions and a memory protection unit (MPU) which enhances application security.
- The STM32L452xx devices embed high-speed memories (Flash memory up to 512 Kbyte, 160 Kbyte of SRAM), a Quad SPI flash memories interface (available on all packages) and an extensive range of enhanced I/Os and peripherals connected to two APB buses, two AHB buses and a 32-bit multi-AHB bus matrix.
- The STM32L452xx devices embed several protection mechanisms for embedded Flash memory and SRAM: readout protection, write protection, proprietary code readout protection and Firewall.
- The devices offer a fast 12-bit ADC (5 Msps), two comparators, one operational amplifier, one DAC channel, an internal voltage reference buffer, a low-power RTC, one general-purpose 32-bit timer, one 16-bit PWM timer dedicated to motor control, four general-purpose 16-bit timers, and two 16-bit low-power timers.
- In addition, up to 21 capacitive sensing channels are available.
- They also feature standard and advanced communication interfaces.
- **Key Features**
- 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 (LDO Mode)
- 36 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
- 245 ULPBench® 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
- 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
- Rich analog peripherals (independent supply)
- 1× 12-bit ADC 5 Msps, up to 16-bit with hardware oversampling, 200 μA/Msps
- 1x 12-bit DAC, 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
- USB 2.0 full-speed crystal less solution with LPM and BCD
- 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
- 3x SPIs (4x SPIs with the 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™
STM32L452RET6TR Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Number of Pins | 64 Pin |
| Case/Package | LQFP-64 |
| RAM Memory Size | 160 KB |
| Number of ADCs | 1 ADC |
| Operating Temperature (Max) | 85 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Power Dissipation (Max) | 345 mW |
| Number of DACs | 1 DAC |
| Show | |
| Product Lifecycle Status | Active |
| Packaging | Tape & Reel (TR) |
| RoHS | RoHS Compliant |
| Lead-Free Status | Lead Free |
| ECCN Code | 3A991A2 |
Order guide
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- Please confirm with the logistics company in advance for remote areas.
(Additional charges ($35-$50) may apply for delivery in these areas)
- Delivery date: usually 2 to 7 working days.
- A tracking number will be sent after your order ships.
- - Carefully inspected and packed by ManyChip warehouse - Vacuum packaging - Anti-static packaging - Shockproof foam
- The terms here are for reference only, the actual terms are subject to the sales quotation. - Please confirm product specifications when ordering. - MOQ refers to the minimum order quantity required to purchase each part. - If you have special ordering instructions, please indicate them on the ordering page. - Inspection (PSI) will be performed prior to shipment.
- - Income Quality Control (IQC), 1000+ qualified dealers. - Chips are tested by authoritative organizations to ensure the quality, authenticity and safety of your device. - Decapsulation control - X-ray control - XRF inspection - Electrical testing - Surface testing -Digital components warehouse, covering an area of 800 square meters, with constant temperature and humidity
Contact Us
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