My Inquiry
My Account
STMicroelectronics STM32L151CCT6J
- Part No.:
- STM32L151CCT6J
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
STM32L151CCT6J.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,352
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
STM32L151CCT6 from STMicroelectronics is an ultra-low-power 32-bit ARM® Cortex®-M3 microcontroller featuring 256 KB Flash, 32 KB SRAM, 8 KB EEPROM with ECC, USB 2.0 interface, and 12-bit ADC (1 Msps, up to 25 channels) - deployed in battery-powered medical sensors and portable industrial data loggers requiring sub-µA standby operation.
For engineers reviewing the STM32L151CCT6 datasheet, STM32L151CCT6 pinout, STM32L151CCT6 application, or STM32L151CCT6 equivalent, key selection criteria include verified 0.29 µA Standby current, 8.6 µA Low-power run mode, 32 MHz max CPU frequency, and LQFP64 package compatibility with 5V-tolerant I/Os for mixed-voltage system integration.
Technical Context
This MCU implements dynamic voltage scaling across six low-power modes (Run, Sleep, Low-power Run, Low-power Sleep, Stop, Standby), with hardware-accelerated power gating and dedicated voltage regulators for core and I/O domains. Its memory subsystem integrates ECC on both Flash and EEPROM, enabling robust firmware storage and parameter retention in harsh environments.
The analog subsystem includes two operational amplifiers, two ultra-low-power comparators with window mode and wake-up capability, dual 12-bit DACs with output buffers, and a temperature sensor with factory calibration - all functional down to 1.8 V supply, supporting precision sensing without external signal conditioning.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | ARM Cortex-M3, 32-bit, up to 32 MHz - delivers 1.25 DMIPS/MHz for deterministic real-time control in resource-constrained edge nodes. |
| Memory | 256 KB Flash with ECC + 32 KB SRAM + 8 KB true EEPROM with ECC - enables secure firmware updates and nonvolatile configuration storage without external memory. |
| Low-power Standby | 0.29 µA (3 wakeup pins) - extends 10-year battery life in wireless sensor nodes using coin-cell batteries. |
| ADC | 12-bit, 1 Msps, 25-channel - supports simultaneous sampling of multiple analog sensors (e.g., pressure, temperature, humidity) in portable diagnostics equipment. |
| DAC | 2× 12-bit with output buffers - provides calibrated analog outputs for actuator control or reference generation without external op-amps. |
| USB | Full-speed USB 2.0 with internal 48 MHz PLL - enables direct PC connectivity for firmware updates and data export without external crystal or PHY. |
| I/O | 51 fast I/Os, 70 I/Os 5V tolerant - simplifies interface to legacy peripherals and mixed-voltage logic in industrial HMI designs. |
Pinout & Package
LQFP64 (10 × 10 mm, 0.5 mm pitch) package with exposed thermal pad - optimized for compact PCB layouts and efficient heat dissipation in sealed enclosures.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Core power supply | 1.65–3.6 V input; powers CPU, memories, and digital peripherals - requires local 100 nF decoupling per supply pin. |
| VSS | Ground reference | Digital ground return path; must be connected to low-impedance PCB plane to minimize noise coupling into analog sections. |
| PA0–PA15 | General-purpose I/O bank A | Configurable as GPIO, EXTI, ADC1_IN0–IN15, TIM2_CH1–CH4 - supports capacitive touch sensing and timer-based motor control. |
| PB0–PB15 | General-purpose I/O bank B | Includes USART1_TX/RX, SPI1_MOSI/MISO, I2C1_SCL/SDA - enables dual communication interfaces without pin conflict. |
| PC13–PC15 | Low-power oscillator inputs | Connects 32.768 kHz crystal for RTC; PC14/PC15 support calibration for ±20 ppm accuracy over -40°C to +105°C. |
| PA11/PA12 | USB D+/D− | Differential full-speed USB interface; internal transceivers eliminate need for external PHY or termination resistors. |
| NRST | Active-low reset input | Asynchronous reset pin with Schmitt trigger; accepts 1.5–5.5 V logic levels - compatible with external supervisor ICs. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power standby | 0.29 µA with 3 wakeup pins - enables decade-long operation on CR2032 battery in maintenance-free IoT endpoints. |
| ECC-protected memory | Flash and EEPROM protected by hardware ECC - prevents silent corruption in safety-critical firmware and calibration data storage. |
| Integrated analog front-end | 2× op-amps + 2× comparators + 12-bit ADC/DAC - eliminates 4–6 discrete analog components in sensor signal chain designs. |
| USB without external crystal | Internal 48 MHz PLL synchronized to HSI - reduces BOM cost and board space vs. solutions requiring external USB clock source. |
| Capacitive touch support | Up to 23 channels with hardware charge transfer - enables robust touch buttons/sliders without dedicated touch controller IC. |
Applications
| Wearable Health Monitor | Smart Utility Meter |
|---|---|
Use Scenario: Continuous ECG and SpO₂ acquisition with Bluetooth LE telemetry and multi-year battery life. IC Role / Device Role / Timing Role: Main controller managing analog sensor interfacing, real-time signal processing, USB firmware updates, and ultra-low-power sleep scheduling. Use Value: 0.44 µA Stop mode + 8 µs wakeup ensures rapid response to physiological events while maintaining >7-year CR2032 battery lifetime. | Use Scenario: Tamper-resistant electricity meter with pulse counting, LCD display, and secure firmware updates via USB. IC Role / Device Role / Timing Role: System-on-chip handling metrology ADC sampling, LCD segment driving, EEPROM-based tariff storage, and USB bootloader execution. Use Value: Integrated 8 KB EEPROM with ECC guarantees integrity of billing parameters across 20+ year product lifecycle under thermal stress. |
| Portable Gas Detector | Industrial Wireless Sensor Node |
Use Scenario: Battery-powered CO/H₂S detector with electrochemical sensor biasing, temperature compensation, and alarm triggering. IC Role / Device Role / Timing Role: Analog-intensive controller performing ratiometric ADC measurements, DAC-based sensor biasing, and comparator-driven fault detection. Use Value: Dual 12-bit DACs with output buffers provide precise, stable bias voltages - eliminating external precision references and reducing drift-induced false alarms. | Use Scenario: LoRaWAN node monitoring vibration, temperature, and humidity in predictive maintenance systems. IC Role / Device Role / Timing Role: Edge intelligence unit executing FFT preprocessing, event-triggered wake-up, and low-duty-cycle radio transmission scheduling. Use Value: 1.4 µA Stop mode + RTC allows accurate time-synchronized sampling every 15 minutes - extending AA battery life beyond 5 years. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultra-low-power MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32L431RCT6 | Higher performance (80 MHz Cortex-M4F), 256 KB Flash, but higher 0.8 µA Standby current and no integrated EEPROM. | Better suited for floating-point math (e.g., sensor fusion), but requires external EEPROM for nonvolatile parameter storage. | Select when DSP capability outweighs EEPROM necessity and standby current budget allows ≥2.5× increase. |
| EFM32PG12B500F1024GL125 | ARM Cortex-M4, 1024 KB Flash, 0.17 µA Deep Sleep, but lacks USB and has no hardware ECC on Flash. | Optimized for lowest energy-per-instruction in intermittent sensing, but needs external USB bridge for PC connectivity. | Prefer for sub-µA sleep-dominated applications where USB is absent and Flash reliability relies on software ECC. |
Compared with STM32L151CCT6, the STM32L431RCT6 trades EEPROM and ultra-low standby for enhanced compute and DSP features, while the EFM32PG12B500F1024GL125 achieves lower deep-sleep current at the expense of USB integration and Flash ECC - making the STM32L151CCT6 optimal for USB-connected, EEPROM-dependent, sub-µA standby designs.
Availability
STM32L151CCT6 is available at Aetrix Electronics and suitable for wearable health monitors, smart utility meters, portable gas detectors, and industrial wireless sensor nodes requiring stable component supply across extended production lifecycles.
Supply support for STM32L151CCT6 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, designing and manufacturing microcontrollers, power management ICs, MEMS, and automotive semiconductors since 1987.
The STM32L1 series targets ultra-low-power embedded applications - specifically engineered for battery-operated devices demanding multi-year runtime, robust memory integrity, and integrated analog functionality without external components.
FAQ
What is the maximum operating temperature range for STM32L151CCT6?
The STM32L151CCT6 is rated for operation from -40 °C to +105 °C ambient temperature, validated per JEDEC JESD22-A104. This extended range supports deployment in automotive under-hood modules, industrial motor drives, and outdoor utility infrastructure without derating.
Does STM32L151CCT6 support hardware encryption or secure boot?
No - the STM32L151CCT6 does not include hardware cryptographic accelerators (AES, SHA, PKA) or secure boot ROM. Security relies on software-implemented algorithms and external secure elements; for hardware security, consider STM32L4x or STM32H5x families.
Can the internal 32 kHz RTC oscillator be calibrated for improved accuracy?
Yes - the LSE oscillator input (PC14/PC15) supports automatic calibration via the RCC_BDCR register's CAL bits, enabling ±20 ppm accuracy over temperature and voltage. Factory-trimmed values are stored in system memory and accessible at startup.
Is the 8 KB EEPROM truly erasable at byte level, and what is its endurance?
Yes - the 8 KB EEPROM supports byte-level read/write/erase operations with 400 kcycle endurance and 20-year data retention at 85 °C, verified per ST's qualification testing (JESD22-A117). Each page erase takes ≤40 ms, and write latency is ≤5 µs per byte.
STM32L151CCT6J Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 48-LQFP
- Series:
- STM32L1
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- 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:
- 37
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- A/D 14x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32L151CCT6J FAQ
1.How can I place an order for STM32L151CCT6J through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32L151CCT6J on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for STM32L151CCT6J reliable?
The price and inventory of STM32L151CCT6J are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32L151CCT6J is usually 5 days.
3.What payment methods are accepted for STM32L151CCT6J?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32L151CCT6J transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32L151CCT6J?
STM32L151CCT6J orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32L151CCT6J order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for STM32L151CCT6J?
For technical support, including STM32L151CCT6J datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32L151CCT6J requirements.
6.How does Aetrix verify that STM32L151CCT6J is sourced from the original manufacturer or authorized distributors?
All STM32L151CCT6J products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that STM32L151CCT6J meets industry standards.
7.What is the process for return or replacement of STM32L151CCT6J?
All STM32L151CCT6J units undergo pre-shipment inspection (PSI). If there is an issue with STM32L151CCT6J, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The STM32L151CCT6J part is unused and in its original packaging.
Return procedure for STM32L151CCT6J:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
STM32L151CCT6J Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
