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The STM32L151CBT6ATR is an ultra-low-power 32-bit microcontroller based on the ARM® Cortex®-M3 core, offering high performance and low power consumption.

1. Core and Performance

CPU: ARM Cortex-M3 32-bit RISC core, operating at up to 32 MHz (performance up to 1.25 DMIPS/MHz).

Memory:

Flash memory: 128 KB (with ECC error correction).  

RAM: 32 KB (some sources indicate 16 KB, which may vary by model or configuration).  

EEPROM: 4 KB (with ECC error correction).

2. Ultra-low power consumption features

Operating voltage: 1.8V to 3.6V (can operate as low as 1.65V).

Low power consumption modes:

Standby mode: 0.28 μA (with wake-up pin).

Operating mode: 185 μA/MHz.

Fast wake-up: 8 μs activation time.

3. Peripherals and interfaces

Communication interfaces:

USB (with internal 48 MHz PLL).  

USART (supports ISO 7816, IrDA).  

SPI (2 channels, 16 Mbps).  

I²C (2 channels, supports SMBus/PMBus).  

Analogue Peripherals:  

12-bit ADC (24 channels, 1 Msps).  

12-bit DAC (2 channels).  

Ultra-low power comparators (2 channels).

Timers: 10 (including 6 16-bit PWM timers).

4. Packaging and Operating Environment

Packaging: 48-pin LQFP (7x7 mm).

Operating temperature: -40°C to 85°C (some data extended to 105°C).

5. Application Areas

Portable devices (e.g., medical sensors, wearable devices).  

Industrial control (low-power PLCs, HMIs).  

Smart home (touch panels, low-power IoT nodes).  

This chip is suitable for embedded system designs requiring low power consumption and high performance, and offers a rich set of peripherals and flexible power management modes.

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

• 3.Can you provide the qualification certificate of the original factory or agent?

  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

• 4.Can I make an inquiry through the company's website?

  A: You can inquire through the website, or by phone and email.

• 5.When can I deliver the goods after placing an order? How long will it take to get there?

  A: the delivery date is marked in most commodity information. You can estimate the delivery time of the commodity according to the delivery date. The specific arrival time depends on the warehouse where the commodity is located and the logistics mode you choose.

• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.