STMicroelectronics STM32L151C6T6ATR

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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 37
Program Memory Size 32KB (32K x 8)
Program Memory Type FLASH
EEPROM Size 4K x 8
RAM Size 16K x 8
Voltage - Supply (Vcc/Vdd) 1.8V ~ 3.6V
Data Converters A/D 16x12b; D/A 2x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 48-LQFP (7x7)
Package / Case 48-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM32L151C6T6ATR is a low-power 32-bit MCU from STMicroelectronics, featuring an ARM Cortex-M3 core at 32MHz. It provides 32KB flash and 16KB RAM, operating from 1.8V to 3.6V. The 48-LQFP package is ideal for space-constrained designs. With Cap Sense, DMA, and I2S, it supports touch interfaces and audio applications while maintaining low power consumption.

  • Integrated capacitive touch: Cap Sense peripheral reduces external components and simplifies PCB design.
  • Low-power Cortex-M3: Balances performance and efficiency for battery-operated devices.
  • 16KB RAM: Ample memory for buffering and complex applications at 32MHz.
  • Wide temperature range: -40°C to 85°C suits industrial and outdoor deployments.

Battery-Powered IoT Devices

The 1.8V operation and 16KB RAM allow efficient handling of sensor data and wireless protocol stacks in low-power IoT nodes.

Touch-Sensitive Control Panels

Integrated Cap Sense eliminates external touch ICs, reducing BOM cost in appliances and user interfaces.

Portable Instrumentation

The Cortex-M3 core with DMA and I2S supports audio and measurement applications requiring moderate processing with low energy draw.

Smart Meters

With brown-out detection and WDT, it ensures reliable long-term operation in utility metering with frequent sleep/wake cycles.

Medical Monitoring Devices

The -40°C to 85°C range and low-power modes make it suitable for wearable health monitors and portable diagnostic tools.

Industrial Process Controllers

PWM outputs and multiple communication interfaces enable precise control of actuators and sensors in factory automation.

Q: What is the core and speed of the STM32L151C6T6ATR?
A: It uses an ARM Cortex-M3 core running at up to 32MHz.
Q: What is the supply voltage range?
A: It operates from 1.8V to 3.6V.
Q: How much flash and RAM does it have?
A: It has 32KB flash and 16KB RAM.
Q: What package is this part?
A: It is in a 48-LQFP package.
Q: Does it support capacitive touch?
A: Yes, it includes Cap Sense for touch sensing applications.
Base Product Number : STM32L151C6T6A
16KB RAM 32-bit 32KB Flash 32MHz 48-LQFP ARM Cortex-M3 Low Power MCU STM32L1 STMicroelectronics Touch Sensing
Q: What is the core and speed of the STM32L151C6T6ATR?
A: It uses an ARM Cortex-M3 core running at up to 32MHz.
Q: What is the supply voltage range?
A: It operates from 1.8V to 3.6V.
Q: How much flash and RAM does it have?
A: It has 32KB flash and 16KB RAM.
Q: What package is this part?
A: It is in a 48-LQFP package.
Q: Does it support capacitive touch?
A: Yes, it includes Cap Sense for touch sensing applications.