Overview
The STM32L151C8U6 is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L series. It features the high-performance ARM® Cortex®-M3 32-bit RISC core, operating at a maximum frequency of 32 MHz. This device is designed for low-power applications, offering a wide range of power-saving modes and a comprehensive set of peripherals. The STM32L151C8U6 is suitable for various applications requiring low energy consumption, high performance, and advanced communication interfaces.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | ARM® Cortex®-M3 32-bit CPU |
| Maximum Frequency | Up to 32 MHz |
| Power Supply | 1.65 V to 3.6 V |
| Temperature Range | -40°C to 85°C / 105°C (low power dissipation state) |
| Flash Memory | Up to 128 Kbytes with ECC |
| RAM | Up to 16 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 | 10 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 |
| I/Os | Up to 83 fast I/Os (73 I/Os 5V tolerant) |
| Package | UFQFPN 48 7x7x0.55 mm |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, Low-power run)
- High-performance ARM® Cortex®-M3 32-bit CPU with up to 32 MHz frequency
- Rich analog peripherals including 12-bit ADC, 12-bit DAC, and ultra-low-power comparators
- Advanced communication interfaces: USB 2.0, USARTs, SPIs, and I2Cs
- Up to 20 capacitive sensing channels for touchkey, linear, and rotary touch sensors
- Integrated LCD controller (except for STM32L151x/6/8/B devices) with contrast adjustment and blinking mode
- Real-time clock with calibration and backup registers
- High-speed internal oscillators and PLL for CPU clock and USB
- Development support with serial wire debug, JTAG, and trace
Applications
- Low-power IoT devices and smart sensors
- Portable and battery-powered devices
- Industrial automation and control systems
- Medical devices requiring low power consumption
- Consumer electronics such as wearables and fitness trackers
- Automotive systems, especially those requiring low power and high reliability
Q & A
- What is the core architecture of the STM32L151C8U6?
The core architecture is based on the ARM® Cortex®-M3 32-bit RISC CPU.
- What is the maximum operating frequency of the STM32L151C8U6?
The maximum operating frequency is up to 32 MHz.
- What is the power supply range for the STM32L151C8U6?
The power supply range is from 1.65 V to 3.6 V.
- What are the key power-saving modes available in the STM32L151C8U6?
The key power-saving modes include Standby, Stop, and Low-power run modes.
- What types of communication interfaces are available on the STM32L151C8U6?
The device features USB 2.0, USARTs, SPIs, and I2Cs.
- How many capacitive sensing channels does the STM32L151C8U6 support?
The device supports up to 20 capacitive sensing channels.
- Does the STM32L151C8U6 have an integrated LCD controller?
No, the STM32L151x/6/8/B devices do not have an integrated LCD controller.
- What is the maximum temperature range for the STM32L151C8U6?
The temperature range is -40°C to 85°C / 105°C (in low power dissipation state).
- How much flash memory does the STM32L151C8U6 have?
The device has up to 128 Kbytes of flash memory with ECC.
- What development tools are supported for the STM32L151C8U6?
The device supports serial wire debug, JTAG, and trace.
