Overview
The STM32L151C8U6A is an ultra-low-power microcontroller from STMicroelectronics, featuring the high-performance ARM® Cortex®-M3 32-bit RISC core. This device is part of the STM32L151x6/8/B-A series, which combines the power of USB connectivity with advanced peripherals and low-power capabilities. It operates at a frequency of up to 32 MHz and offers a comprehensive set of power-saving modes, making it ideal for low-power applications.
Key Specifications
| Parameter | Value |
|---|---|
| Core | ARM® Cortex®-M3 32-bit CPU |
| Frequency | Up to 32 MHz |
| Flash Memory | Up to 128 Kbytes with ECC |
| RAM | Up to 32 Kbytes |
| EEPROM | Up to 4 Kbytes with ECC |
| Backup Register | 80 bytes |
| ADC | 12-bit, 1 Msps, up to 24 channels |
| DAC | 12-bit, 2 channels with output buffers |
| Comparators | 2 ultra-low-power comparators |
| Timers | 6x 16-bit with up to 4 IC/OC/PWM channels, 2x 16-bit basic timers, 2x watchdog timers |
| Communication Interfaces | 1x USB 2.0, 3x USARTs, 2x SPIs, 2x I2Cs |
| Capacitive Sensing Channels | Up to 20 channels |
| Power Supply | 1.8 to 3.6 V (down to 1.65 V at power down) |
| Temperature Range | -40°C to +85°C / +105°C |
| Package | UFQFPN 48 7x7x0.55 mm |
Key Features
- Ultra-low-power platform with various power-saving modes (Standby, Stop, Low-power Run)
- High-speed embedded memories and extensive range of enhanced I/Os and peripherals
- Rich analog peripherals including 12-bit ADC, 12-bit DAC, and ultra-low-power comparators
- Advanced communication interfaces: USB 2.0, USARTs, SPIs, I2Cs
- Up to 20 capacitive sensing channels for touch sensing functionality
- Real-time clock with sub-second counting and backup registers
- Ultra-safe, low-power BOR (brownout reset) and programmable voltage detector (PVD)
- Support for serial wire debug, JTAG, and trace
Applications
The STM32L151C8U6A is suitable for a wide range of applications requiring low power consumption and high performance. These include:
- Industrial automation and control systems
- Medical devices and healthcare equipment
- Consumer electronics and appliances
- Automotive systems and telematics
- IoT devices and smart home applications
Q & A
- What is the core architecture of the STM32L151C8U6A?
The core architecture is the ARM® Cortex®-M3 32-bit RISC CPU. - What is the maximum operating frequency of the STM32L151C8U6A?
The maximum operating frequency is up to 32 MHz. - How much Flash memory does the STM32L151C8U6A have?
The device has up to 128 Kbytes of Flash memory with ECC. - What are the power-saving modes available on the STM32L151C8U6A?
The device features various power-saving modes including Standby, Stop, and Low-power Run modes. - What communication interfaces are available on the STM32L151C8U6A?
The device includes USB 2.0, USARTs, SPIs, and I2Cs. - Does the STM32L151C8U6A support touch sensing functionality?
Yes, it supports up to 20 capacitive sensing channels for touchkey, linear, and rotary touch sensors. - What is the temperature range of the STM32L151C8U6A?
The temperature range is -40°C to +85°C / +105°C. - What package options are available for the STM32L151C8U6A?
The device is available in a UFQFPN 48 7x7x0.55 mm package. - Does the STM32L151C8U6A have a real-time clock?
Yes, it includes a real-time clock with sub-second counting and backup registers. - Is the STM32L151C8U6A RoHS compliant?
Yes, the device is RoHS compliant with an Ecopack2 grade.
