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STM32L152RCT6

Ultra-low-power Cortex-M3 MCU, 32MHz, 256KB Flash, 32KB SRAM, LCD controller, LQFP-64

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Manufacturer Part：

STM32L152RCT6

Package：

LQFP-64 (10x10mm)

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Description

Product Overview

The STM32L152RCT6 from STMicroelectronics is an ultra-low-power 32-bit microcontroller based on the ARM Cortex-M3 core, operating at up to 32MHz. Featuring 256KB Flash, 32KB SRAM, 8KB true EEPROM, and an integrated LCD controller, it provides rich analog peripherals including dual op-amps, 12-bit ADC, and dual DACs. Housed in a 64-pin LQFP package, it operates from 1.65V to 3.6V.

Key Specifications

Core ARM Cortex-M3
Max Clock Frequency 32 MHz
Flash Memory 256 KB
SRAM 32 KB
EEPROM 8 KB (true EEPROM with ECC)
I/O Pins 51
LCD Controller Up to 8×40 segments
USB 2.0 Full Speed
USART 3
SPI 3 (2 with I2S)
I2C 2
ADC 12-bit, 1Msps, up to 25 channels
DAC 2-channel, 12-bit
Op-Amps 2
Capacitive Sensing Up to 23 channels
Supply Voltage 1.65V ~ 3.6V
Operating Temperature -40°C ~ 85°C
Package LQFP-64 (10x10mm)
Part Status Active

Features

  • Ultra-low-power: 0.29μA Standby, 0.44μA Stop, 185μA/MHz Run
  • 8μs wakeup time from Stop mode
  • True 8KB EEPROM with ECC (no flash emulation needed)
  • Integrated LCD controller with built-in step-up converter
  • Dual operational amplifiers with configurable gain
  • 12-bit ADC at 1Msps with up to 25 channels
  • Dual 12-bit DACs with output buffers
  • 23 capacitive sensing channels for touch applications
  • USB 2.0 Full Speed with internal 48MHz PLL
  • 96-bit unique device ID

Applications

  • Smart meters and energy management
  • Portable medical devices and health monitors
  • Building automation and HVAC controllers
  • Consumer electronics with LCD displays
  • Industrial sensors and low-power wireless nodes

The STM32L152RCT6 is an ultra-low-power 32-bit microcontroller from STMicroelectronics based on the ARM Cortex-M3 core, operating at up to 32MHz. It incorporates 256KB of Flash memory with ECC, 32KB of SRAM, and 8KB of true EEPROM with ECC, eliminating the need for flash-based EEPROM emulation. The device features an integrated LCD controller capable of driving up to 8×40 segments with a built-in step-up converter for contrast adjustment independent of supply voltage. Rich analog peripherals include two operational amplifiers, a 12-bit ADC at 1Msps, dual 12-bit DACs, and two ultra-low-power comparators. The USB 2.0 Full Speed interface uses an internal 48MHz PLL, requiring no external crystal for USB operation. Up to 23 capacitive sensing channels enable touch-sensing functionality without external components.

The STM32L152RCT6 employs a multi-domain power architecture to achieve ultra-low power consumption. The VCORE domain powers the Cortex-M3 core, Flash, and SRAM, with dynamic voltage scaling to optimize power at different frequency ranges. Multiple low-power modes include Run, Low-Power Run, Sleep, Low-Power Sleep, Stop (with or without RTC), and Standby (with or without RTC). The 8μs wakeup time from Stop mode enables responsive operation while maintaining low average current. The LCD controller operates independently in Stop mode, consuming minimal power while maintaining display content. The true EEPROM uses a dedicated charge pump and ECC for reliable non-volatile storage without the wear-leveling overhead of flash emulation.

Pin Name Type Description
1 VBAT PWR Battery backup supply for RTC and backup registers
2 PC13 I/O Tamper pin / RTC AF / Wakeup pin
3-6 PC14-PC15 I/O LSE oscillator / General purpose I/O
7-10 PD0-PD2, PD3 I/O LCD segment / General purpose I/O
11 NRST I System reset (active low)
12 VCAP PWR Internal voltage regulator capacitor
13 VDD PWR Main power supply (1.65V-3.6V)
14 VSS GND Ground
15-30 PA0-PA15 I/O Port A: ADC, DAC, Op-Amp, USART, SPI, I2C, USB
31-46 PB0-PB15 I/O Port B: LCD, TIM, SPI, I2C, capacitive sensing
47-62 PC0-PC15 I/O Port C: LCD, TIM, USART
63 VDD PWR Main power supply
64 VSS GND Ground
  • Smart Metering: Ultra-low-power metering with LCD display and RTC for time-of-use billing
  • Medical Wearables: 0.29μA standby current for long battery life in health monitors
  • Home Automation: LCD thermostat controllers with capacitive touch buttons
  • Portable Instruments: Multi-channel ADC with op-amps for sensor signal conditioning
  • IoT End Nodes: Low-power sensor aggregation with USB for firmware updates
Model Manufacturer Key Difference
STM32L152RET6 STMicroelectronics 512KB Flash, 80KB SRAM, LQFP-64
STM32L151RCT6 STMicroelectronics Same but without LCD controller
STM32L152VCT6 STMicroelectronics LQFP-100 package, more I/O
STM32L432KCU6 STMicroelectronics Cortex-M4, 80MHz, UFQFPN-32, newer series
MSP430F6779 Texas Instruments 16-bit ultra-low-power, LCD, metering-focused
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Quality Assurance

Quality is the core foundation of our long-term global cooperation. With over 20 years of experience in the electronic component industry, Materialparts has built a strict and standardized quality management system covering component sourcing, incoming inspection, full-batch testing, packaging and delivery. We are committed to delivering 100% genuine, high-reliability electronic components for industrial control, automotive electronics, consumer electronics and medical device industries, and fully safeguarding your production and R&D projects.

1. Authorized & Genuine Sourcing Promise

All of our electronic components are procured from official authorized distributors and original manufacturers. We strictly reject counterfeits, refurbished parts, disassembled components and gray-market goods. Every product is guaranteed to be brand-new original parts and fully consistent with the original technical parameters. For branded products such as NXP IC series, we maintain complete supply channel documents to realize full product traceability.

2. Strict Full-batch Quality Inspection

We implement 100% full-batch quality control for all goods before shipment. Our professional QC team conducts multi-dimensional tests including appearance inspection, electrical parameter testing, performance verification and packaging check. Each batch of components is attached with complete inspection reports and batch records. We stick to zero-tolerance standards for defective products to ensure every piece of component meets industrial application requirements.

3. Industry Standard Compliance

Our products comply with a variety of international industry quality standards to adapt to high-standard application scenarios:
  • Automotive Electronics: All automotive-grade components pass AEC-Q series certification, featuring excellent stability and durability to adapt to complex vehicle operating environments.
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  • Industrial Control & Consumer Electronics: Products conform to universal international electronic industry standards, suitable for long-term continuous operation of various equipment.

4. Professional Reliability Control

For static-sensitive, moisture-sensitive and precision components such as ICs, PCBs, sensors and connectors, we carry out reliability screening in advance. Combined with standardized ESD anti-static packaging and vacuum moisture-proof packaging, we avoid component damage caused by static electricity, dampness or collision during storage and transportation, and retain the original performance of products.

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6. After-sales Quality Guarantee

If any product is confirmed to have non-conformity quality problems due to our reasons after receipt, we provide free return, exchange and supplementary delivery services. Our professional quality team will also conduct root cause analysis to optimize our quality control process. We respond to quality feedback within 24 hours to resolve your worries efficiently.

Contact Us

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Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

Shipping & Payment

Materialparts is a professional global supplier of electronic components with over 20 years of industry experience. We provide one-stop supply of passive components, integrated circuits, as well as parts for industrial control, automotive electronics, consumer electronics and medical devices. Below are the unified shipping and payment policies applicable to all orders, samples and bulk purchases worldwide.

1. Payment Terms

We offer a variety of secure and convenient payment methods to meet diverse business cooperation needs. Details are as follows:
  1. Accepted Payment Methods
  • T/T (Bank Wire Transfer): The primary settlement method for bulk orders and a widely used international payment channel.
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  1. Settlement Currency

     

    US Dollar (USD) is the default settlement currency. RMB is available for domestic customers.

  2. Bank Charges

     

    All transfer fees, intermediary bank charges and other remittance-related expenses shall be borne by the buyer.

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  • Economy Logistics: Air freight and sea freight for large-volume cargo
  • Domestic Delivery: SF Express, Yunda Express
  1. Order Processing Time
  • In-stock items: Orders confirmed and fully paid before 14:00 (GMT+8) will be shipped on the same day. All other orders will be dispatched within 1 to 2 working days.
  • Out-of-stock or sourced items: The delivery lead time will be confirmed separately according to brand and inventory status.
  1. Estimated Transit Time
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  • Air Freight: 7 – 12 working days
  • Sea Freight: 25 – 40 working days for heavy and large bulk cargo
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  • Free international express delivery is offered for large orders. Terms for long-term partners can be negotiated separately.
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    Within 24 hours after dispatch, we will send the tracking number, commercial invoice, packing list and other documents to your email or communication account. You may check the shipment status online in real time.

3. General Order Rules & Notes

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    We support flexible minimum order quantities for samples, small-batch and large-batch orders. All sample orders shall comply with the above shipping and payment policies.

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    All electronic components are packed with professional anti-static and shockproof materials. Original factory packaging is available for branded chips and integrated circuits.

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5. Local Pickup in Shenzhen

Local pickup service is available for customers in Shenzhen and surrounding areas:
  • Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong Province, China
  • Business Hours: 09:00 – 18:00, Monday to Friday. Closed on weekends and official public holidays.
  • Notice: Please make an appointment via email or communication tools one day in advance, and present your order information upon pickup.

Contact Information

Email: info@materialparts.com

Tel / WhatsApp: +86 13760382860

Service & Packaging

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

Core Services

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We specialize in a full range of passive and active electronic components, including SMD resistors, power resistors, connectors, aviation connectors, LED beads, flexible circuit boards, printed circuit boards, and integrated circuits. Our professional team provides BOM list consolidation, component matching, and alternative model recommendation services. We support sample orders, small-batch trial production, and mass production orders with flexible MOQs to meet diverse procurement needs.

2. Genuine Product Guarantee & Full-process Quality Inspection

All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

3. Fast Quotation & Order Processing

Our customer service team responds promptly to inquiries and quotation requests. All in-stock orders will be processed within one working day. We provide stocking reservation services for long-term cooperative customers, effectively solving problems such as component shortages and unstable supply chains.

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5. Sourcing for Special Components

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6. Global Logistics & Document Services

We cooperate with mainstream international logistics providers including DHL, FedEx, UPS and TNT to achieve fast global delivery. We can provide complete export documents such as customs declaration files, commercial invoices and packing lists to ensure smooth customs clearance for international shipments. Local pickup is also available for customers in Shenzhen, China.

Professional Packaging Standards

Electronic components are sensitive to static electricity, collision, moisture and dust. We adopt industry-standard anti-static packaging solutions to fully ensure the integrity of goods during transportation and storage.

1. General Packaging Specifications

  • All components are packed separately to avoid damage caused by friction and collision;
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  • Discrete Device Packaging: Discrete devices such as SMD resistors, power resistors and LEDs are quantitatively and classifiedly packaged with accurate quantity and clear marking.
  • Connector / Aviation Connector Packaging: Hard outer packaging is adopted to prevent pin bending and structural deformation.

3. Custom Packaging Services

We provide value-added services including personalized packaging, custom labeling and re-reeling according to customer requirements, fully matching your production and warehouse management standards.

Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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