Overview
The STM32L151CCU6TR is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L series. It is based on the ARM Cortex-M3 32-bit RISC core, operating at a frequency of up to 32 MHz. This device is designed for low-power applications, offering a comprehensive set of power-saving modes and a wide range of peripherals and interfaces. The STM32L151CCU6TR is particularly suited for applications requiring high performance, low power consumption, and advanced connectivity options.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | ARM Cortex-M3 32-bit RISC |
| Operating Frequency | Up to 32 MHz |
| Flash Memory | 256 Kbytes with ECC |
| RAM | 32 Kbytes |
| EEPROM | 8 Kbytes with ECC |
| Backup Register | 128 bytes |
| Power Supply | 1.8 V to 3.6 V (down to 1.65 V at power down) |
| Temperature Range | -40 °C to +85 °C (or +105 °C for some grades) |
| Package | UFQFPN 48 7x7x0.55 mm |
| Analog Peripherals | 2 operational amplifiers, 12-bit ADC (up to 25 channels), 12-bit DAC (2 channels) |
| Communication Interfaces | USB 2.0, 3 USARTs, up to 8 SPIs (including 2 I2S), 2 I2Cs |
| Timers | 1x 32-bit, 6x 16-bit, 2x 16-bit basic timers, 2x watchdog timers |
| Capacitive Sensing Channels | Up to 23 channels |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, Low-power run mode)
- High-performance ARM Cortex-M3 32-bit RISC core
- Rich set of analog peripherals including operational amplifiers, ADC, and DAC
- Advanced communication interfaces: USB 2.0, USARTs, SPIs, I2Cs, and I2S
- Extensive range of timers and watchdog timers
- Up to 23 capacitive sensing channels for touch sensing functionality
- Real-time clock and backup registers
- Low-power, ultrasafe BOR (brownout reset) and programmable voltage detector (PVD)
- Serial wire debug, JTAG, and trace supported for development
Applications
- Low-power IoT devices
- Portable and battery-powered devices
- Industrial automation and control systems
- Medical devices requiring low power consumption
- Consumer electronics such as smart home devices and wearables
- Automotive systems where low power and high reliability are crucial
Q & A
- What is the core architecture of the STM32L151CCU6TR?
The STM32L151CCU6TR is based on the ARM Cortex-M3 32-bit RISC core.
- What is the maximum operating frequency of the STM32L151CCU6TR?
The maximum operating frequency is up to 32 MHz.
- How much flash memory does the STM32L151CCU6TR have?
The device has 256 Kbytes of flash memory with ECC.
- What is the power supply range for the STM32L151CCU6TR?
The power supply range is from 1.8 V to 3.6 V (down to 1.65 V at power down).
- What are the key analog peripherals available on the STM32L151CCU6TR?
The device includes 2 operational amplifiers, a 12-bit ADC (up to 25 channels), and a 12-bit DAC (2 channels).
- What communication interfaces are supported by the STM32L151CCU6TR?
The device supports USB 2.0, 3 USARTs, up to 8 SPIs (including 2 I2S), and 2 I2Cs.
- How many capacitive sensing channels does the STM32L151CCU6TR support?
The device supports up to 23 capacitive sensing channels.
- What are the power-saving modes available on the STM32L151CCU6TR?
The device offers Standby, Stop, and Low-power run modes.
- Does the STM32L151CCU6TR support real-time clock functionality?
Yes, the device includes a real-time clock and backup registers.
- What development tools are supported for the STM32L151CCU6TR?
The device supports serial wire debug, JTAG, and trace for development.
