Overview
The STM32L151C8T6ATR is an ultra-low-power microcontroller from STMicroelectronics, featuring the high-performance ARM® Cortex®-M3 32-bit RISC core. This microcontroller operates at a frequency of 32 MHz (33.3 DMIPS) and is designed for applications requiring low power consumption and high performance. It integrates a range of advanced peripherals, including high-speed embedded memories, extensive I/Os, and multiple communication interfaces. The device is particularly suited for applications in challenging voltage and temperature conditions, making it versatile for various industries such as automotive, medical, and aerospace.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | ARM Cortex-M3 32-bit RISC core |
| Maximum Clock Frequency | 32 MHz |
| Program Memory Size | 64 KB (64K x 8) Flash memory |
| Data RAM Size | Up to 32 KB SRAM |
| EEPROM | Up to 4 KB with ECC |
| Supply Voltage | 1.8 V to 3.6 V (down to 1.65 V at power down with BOR) |
| Operating Temperature | -40°C to +85°C (extended to +105°C in low power dissipation state) |
| Package | 48-LQFP (7x7) |
| Number of I/Os | 37 programmable I/Os |
| ADC Resolution | 12-bit, up to 24 channels |
| DAC Resolution | 12-bit, 2 channels with output buffers |
| Comparators | 2 ultra-low-power comparators |
| Timers | Six 16-bit general-purpose timers and two basic timers |
| Communication Interfaces | Up to two I2Cs, two SPIs, three USARTs, and a USB |
Key Features
- Ultra-low-power platform with comprehensive power-saving modes
- High-performance ARM Cortex-M3 32-bit RISC core operating at 32 MHz
- High-speed embedded memories: up to 128 KB Flash memory with ECC, up to 32 KB SRAM, and up to 4 KB true EEPROM with ECC
- Rich analog peripherals: 12-bit ADC, 12-bit DAC, and 2 ultra-low-power comparators
- Multiple communication interfaces: I2C, SPI, USART, USB
- Capacitive sensing channels: up to 20 channels for touch sensing functionality
- Real-time clock with sub-second counting and backup registers
- LCD controller (except STM32L151x6/8/B-A devices) with built-in LCD voltage generator
- DMA controller with 7 channels
- Up to 83 fast I/Os (73 I/Os 5V tolerant), all mappable on 16 external interrupt vectors
Applications
- Robots
- Smart Home devices
- Automotive electronics
- Medical equipment
- Aerospace applications
- Intelligent instruments
Q & A
- What is the core architecture of the STM32L151C8T6ATR?
The STM32L151C8T6ATR features the ARM Cortex-M3 32-bit RISC core.
- What is the maximum clock frequency of the STM32L151C8T6ATR?
The maximum clock frequency is 32 MHz.
- What is the program memory size of the STM32L151C8T6ATR?
The program memory size is 64 KB (64K x 8) Flash memory.
- What are the supply voltage and operating temperature ranges of the STM32L151C8T6ATR?
The supply voltage range is 1.8 V to 3.6 V, and the operating temperature range is -40°C to +85°C (extended to +105°C in low power dissipation state).
- What types of communication interfaces does the STM32L151C8T6ATR support?
The device supports I2C, SPI, USART, and USB interfaces.
- Does the STM32L151C8T6ATR have capacitive sensing capabilities?
Yes, it offers up to 20 capacitive sensing channels for touch sensing functionality.
- What is the resolution of the ADC and DAC in the STM32L151C8T6ATR?
The ADC resolution is 12-bit, and the DAC resolution is also 12-bit with two channels.
- How many timers does the STM32L151C8T6ATR have?
The device has six 16-bit general-purpose timers and two basic timers.
- What is the package type of the STM32L151C8T6ATR?
The package type is 48-LQFP (7x7).
- What are some typical applications of the STM32L151C8T6ATR?
Typical applications include robots, smart home devices, automotive electronics, medical equipment, aerospace, and intelligent instruments.
