Overview
The STM32L152CBU6A, produced by STMicroelectronics, is an ultra-low-power microcontroller based on the ARM® Cortex®-M3 32-bit RISC core. This device is part of the STM32L151x6/8/B and STM32L152x6/8/B series, which are designed to offer high performance and low power consumption. The STM32L152CBU6A operates at a frequency of up to 32 MHz and features a comprehensive set of power-saving modes, making it ideal for battery-powered applications and other low-power designs.
The device includes a range of peripherals such as a 12-bit ADC, 2 DACs, 2 ultra-low-power comparators, and multiple communication interfaces including USB, USART, SPI, and I2C. It also supports up to 20 capacitive sensing channels for touch sensing functionality and includes an integrated LCD controller with a built-in LCD voltage generator.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | ARM® Cortex®-M3 32-bit CPU |
| Frequency | Up to 32 MHz |
| Power Supply | 1.65 V to 3.6 V |
| Operating Temperature | -40 °C to +105 °C |
| Flash Memory | Up to 128 Kbytes with ECC |
| RAM | Up to 32 Kbytes |
| EEPROM | Up to 4 Kbytes with ECC |
| Backup Register | 80-byte |
| ADC | 12-bit, up to 24 channels |
| DAC | 2 channels with output buffers |
| Comparators | 2 ultra-low-power comparators |
| Timers | 6 general-purpose 16-bit timers, 2 basic timers |
| Communication Interfaces | USB, up to 2 I2Cs, up to 2 SPIs, 3 USARTs |
| Capacitive Sensing Channels | Up to 20 channels |
| LCD Controller | Integrated LCD controller with built-in LCD voltage generator |
Key Features
- Ultra-low-power platform: Offers various power-saving modes including Standby, Stop, and Low-power Run modes.
- High-performance core: ARM® Cortex®-M3 32-bit CPU operating at up to 32 MHz.
- Rich analog peripherals: Includes a 12-bit ADC, 2 DACs, and 2 ultra-low-power comparators.
- Advanced communication interfaces: Supports USB, USART, SPI, and I2C.
- Touch sensing capability: Up to 20 capacitive sensing channels.
- LCD controller: Integrated LCD controller with a built-in LCD voltage generator.
- Real-time clock and backup registers: Includes a real-time clock with sub-second counting and backup registers that remain powered in Standby mode.
- Development support: Serial wire debug, JTAG, and trace supported.
Applications
- Battery-powered devices: Ideal for applications requiring low power consumption such as smart meters, fitness trackers, and other wearable devices.
- Industrial automation: Suitable for low-power industrial control systems and automation.
- Consumer electronics: Used in various consumer electronics requiring low power and high performance, such as remote controls and home appliances.
- Medical devices: Applicable in medical devices that need low power consumption and reliable performance.
- Automotive systems: Can be used in automotive systems that require low power and robust performance.
Q & A
- What is the core architecture of the STM32L152CBU6A?
The STM32L152CBU6A is based on the ARM® Cortex®-M3 32-bit RISC core.
- What is the maximum operating frequency of the STM32L152CBU6A?
The maximum operating frequency is up to 32 MHz.
- What is the power supply range for the STM32L152CBU6A?
The power supply range is from 1.65 V to 3.6 V.
- What types of communication interfaces does the STM32L152CBU6A support?
The device supports USB, USART, SPI, and I2C interfaces.
- Does the STM32L152CBU6A have touch sensing capabilities?
Yes, it supports up to 20 capacitive sensing channels for touch sensing functionality.
- What is the temperature range for the STM32L152CBU6A?
The operating temperature range is from -40 °C to +105 °C.
- Does the STM32L152CBU6A have an integrated LCD controller?
Yes, it includes an integrated LCD controller with a built-in LCD voltage generator.
- What are the power-saving modes available on the STM32L152CBU6A?
The device offers various power-saving modes including Standby, Stop, and Low-power Run modes.
- Is the STM32L152CBU6A suitable for battery-powered devices?
Yes, it is highly suitable due to its ultra-low-power consumption.
- What development tools are supported by the STM32L152CBU6A?
The device supports serial wire debug, JTAG, and trace.
