STMicroelectronics STM32L151RET6TR

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32L1
Packaging Cut Tape (CT) | Tape & Reel (TR)
Core Processor ARM® Cortex®-M3
Core Size 32-Bit Single-Core
Speed 32MHz
Connectivity I2C, IrDA, LINbus, SPI, UART/USART, USB
Peripherals Brown-out Detect/Reset, Cap Sense, DMA, I2S, POR, PWM, WDT
Number of I/O 51
Program Memory Size 512KB (512K x 8)
Program Memory Type FLASH
EEPROM Size 16K x 8
RAM Size 80K x 8
Voltage - Supply (Vcc/Vdd) 1.8V ~ 3.6V
Data Converters A/D 21x12b; D/A 2x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 64-LQFP (10x10)
Package / Case 64-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STMicroelectronics STM32L151RET6TR is an ultra-low-power 32-bit MCU based on the ARM Cortex-M3 core, running at 32MHz. It offers 512KB flash and 80KB RAM, with a wide voltage range of 1.8V-3.6V. The 64-LQFP package is suitable for compact designs. Features include Cap Sense, DMA, I2S, POR, PWM, and WDT, making it versatile for various applications.

  • Ultra-low power: Optimized for battery-powered devices, extending operational life.
  • Capacitive sensing: Built-in Cap Sense eliminates external touch ICs.
  • Rich audio support: I2S interface enables high-fidelity audio applications.
  • Wide voltage range: 1.8V-3.6V allows operation from single-cell batteries.

Portable Medical Devices

Low voltage (1.8V) and low power extend battery life in glucose meters and pulse oximeters.

Smart Sensors

Cap Sense enables touch interfaces without external components.

Industrial Process Control

512KB flash stores complex control algorithms, while DMA handles high-speed data.

Consumer Electronics

I2S supports high-quality audio in wearables and smart speakers.

Building Automation

Reliable operation with brown-out detection for HVAC and lighting controllers.

IoT End Nodes

Low power and rich peripherals make it ideal for battery-powered sensors.

Q: What is the core processor?
A: ARM Cortex-M3 at 32MHz.
Q: What is the flash and RAM size?
A: 512KB flash and 80KB RAM.
Q: What is the voltage range?
A: 1.8V to 3.6V.
Q: What package is this?
A: 64-pin LQFP.
Q: Does it have capacitive sensing?
A: Yes, includes Cap Sense, plus DMA, I2S, POR, PWM, WDT.
Base Product Number : STM32L151RET6
32-bit MCU 32MHz 512KB flash 80KB RAM ARM Cortex-M3 Cap Sense DMA I2S low power LQFP-64 POR PWM WDT
Q: What is the core processor?
A: ARM Cortex-M3 at 32MHz.
Q: What is the flash and RAM size?
A: 512KB flash and 80KB RAM.
Q: What is the voltage range?
A: 1.8V to 3.6V.
Q: What package is this?
A: 64-pin LQFP.
Q: Does it have capacitive sensing?
A: Yes, includes Cap Sense, plus DMA, I2S, POR, PWM, WDT.