Overview
The STM32L152CBU6 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 frequency of up to 32 MHz. This MCU is designed for low-power applications, offering a comprehensive set of power-saving modes and a wide range of peripherals and interfaces. The device includes high-speed embedded memories, advanced communication interfaces, and rich analog peripherals, making it suitable for various applications requiring low power consumption and high performance.
Key Specifications
| Specification | Details |
|---|---|
| Core | ARM® Cortex®-M3 32-bit CPU |
| Frequency | Up to 32 MHz |
| Power Supply | 1.65 V to 3.6 V |
| Temperature Range | -40°C to 85°C / 105°C in 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 | 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 |
| Package | UFQFPN 48 7x7x0.55 mm |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, Low-power run)
- Ultra-safe, low-power BOR (brownout reset) with 5 selectable thresholds
- Programmable voltage detector (PVD) and ultra-low-power POR/PDR
- Clock sources including crystal oscillators, internal RC oscillators, and PLL for CPU clock and USB
- Rich analog peripherals including 12-bit ADC, 12-bit DAC, and ultra-low-power comparators
- Integrated LCD controller (except STM32L151x6/8/B devices) for up to 8x40 segments
- Up to 83 fast I/Os (73 I/Os 5V tolerant), all mappable on 16 external interrupt vectors
- Serial wire debug, JTAG, and trace supported for development
- Pre-programmed bootloader and support for USART
Applications
- Low-power IoT devices and sensors
- 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 performance are critical
Q & A
- What is the core architecture of the STM32L152CBU6?
The STM32L152CBU6 features the ARM® Cortex®-M3 32-bit RISC core.
- What is the operating voltage range of the STM32L152CBU6?
The operating voltage range is from 1.65 V to 3.6 V.
- What are the power-saving modes available on the STM32L152CBU6?
The device offers Standby, Stop, and Low-power run modes.
- How much flash memory does the STM32L152CBU6 have?
Up to 128 Kbytes of flash memory with ECC.
- What communication interfaces are available on the STM32L152CBU6?
It includes 1x USB 2.0, 3x USARTs, 2x SPIs, and 2x I2Cs.
- Does the STM32L152CBU6 support capacitive sensing?
- What is the temperature range for the STM32L152CBU6?
The temperature range is -40°C to 85°C, extended to 105°C in low power dissipation state.
- What type of package is the STM32L152CBU6 available in?
It is available in the UFQFPN 48 7x7x0.55 mm package.
- Does the STM32L152CBU6 have an integrated LCD controller?
- What development tools are supported by the STM32L152CBU6?
It supports serial wire debug, JTAG, and trace.
