Overview
The STM32L151CBT6A is an ultra-low-power 32-bit microcontroller from STMicroelectronics, based on the ARM Cortex-M3 core. This device is part of the STM32L1 series, known for its high performance and low power consumption. It is designed for a wide range of applications, including medical, industrial, and consumer devices. The STM32L151CBT6A features a flexible CPU clock that can range from 32 kHz to 32 MHz, along with multiple low-power modes to minimize energy usage.
Key Specifications
| Parameter | Value |
|---|---|
| Device Core | ARM Cortex-M3 |
| Data Bus Width | 32 bit |
| Program Memory Size | 128 KB |
| RAM Memory Size | 32 KB |
| EEPROM Size | 4 KB |
| No. of Pins | 48 Pins |
| No. of I/O's | 37 I/O's |
| IC Case / Package | LQFP |
| Interfaces | I2C, SPI, USART, USB 2.0 |
| ADC Channels | 14 Channels |
| ADC Resolution | 12 Bit |
| Supply Voltage Min | 1.8 V |
| Supply Voltage Max | 3.6 V |
| Operating Frequency Max | 32 MHz |
| Operating Temperature Min | -40°C |
| Operating Temperature Max | 85°C |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, Low-power Run)
- ARM Cortex-M3 32-bit CPU with a maximum clock speed of 32 MHz
- Integrated LCD driver supporting up to 8x40 segments
- Rich analog peripherals including a 12-bit ADC with up to 24 channels and a 12-bit DAC with 2 channels
- Capacitive touch sensing with up to 20 channels
- USB 2.0 Full Speed interface and multiple serial communication interfaces (I2C, SPI, USART)
- DMA controller with 7 channels and memory protection unit
- Ultra-safe, low-power BOR (brownout reset) and programmable voltage detector (PVD)
Applications
- Medical devices and equipment
- Industrial control and automation
- Consumer electronics and handheld devices
- PC peripherals and gaming devices
- GPS and sport equipment
- Alarm systems and security devices
- Wired and wireless sensors
- Video intercom and utility metering applications
Q & A
- What is the core architecture of the STM32L151CBT6A?
The STM32L151CBT6A is based on the ARM Cortex-M3 32-bit CPU.
- What is the maximum clock speed of the STM32L151CBT6A?
The maximum clock speed is 32 MHz.
- What are the power supply voltage ranges for the STM32L151CBT6A?
The power supply voltage ranges from 1.8 V to 3.6 V.
- What types of interfaces does the STM32L151CBT6A support?
The device supports I2C, SPI, USART, and USB 2.0 interfaces.
- How many ADC channels does the STM32L151CBT6A have?
The device has 14 ADC channels with a 12-bit resolution.
- What is the operating temperature range of the STM32L151CBT6A?
The operating temperature range is from -40°C to 85°C.
- Does the STM32L151CBT6A support capacitive touch sensing?
Yes, it supports up to 20 capacitive sensing channels.
- What is the package type of the STM32L151CBT6A?
The package type is LQFP with 48 pins.
- Does the STM32L151CBT6A have an integrated LCD driver?
Yes, it supports an LCD driver for up to 8x40 segments.
- What are the low-power modes available on the STM32L151CBT6A?
The device features Standby, Stop, and Low-power Run modes to minimize power consumption.
