Overview
The STM32L151C8T6A is an ultra-low-power microcontroller from STMicroelectronics, based on the ARM Cortex-M3 32-bit RISC core. This device is part of the STM32L series, known for its high performance and low power consumption. It operates at a frequency of up to 32 MHz and delivers 33.3 DMIPS. The STM32L151C8T6A is designed to meet the demands of applications requiring both high processing capabilities and minimal power usage.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | ARM Cortex-M3 32-bit CPU |
| Operating Frequency | Up to 32 MHz (33.3 DMIPS) |
| Power Supply | 1.65 V to 3.6 V (down to 1.65 V at power down) |
| Operating Temperature | -40°C to +85°C, extended to +105°C in low power dissipation state |
| Flash Memory | Up to 128 Kbytes with ECC |
| RAM | Up to 32 Kbytes |
| EEPROM | Up to 4 Kbytes with ECC |
| Backup Register | 80-byte backup register |
| ADC | 12-bit ADC, 1 Msps up to 24 channels |
| DAC | 12-bit DAC, 2 channels with output buffers |
| Comparators | 2 ultra-low-power comparators (window mode and wake-up capability) |
| Timers | Six 16-bit timers and two basic timers |
| Communication Interfaces | Up to two I2Cs, two SPIs, three USARTs, and a USB |
| I/Os | Up to 83 fast I/Os (73 I/Os 5V tolerant) |
| Power Modes | Standby, Stop, Low-power Run mode with various current consumptions |
Key Features
- Ultra-low-power platform: Offers multiple power-saving modes including Standby, Stop, and Low-power Run modes.
- High-performance core: ARM Cortex-M3 32-bit RISC core operating at up to 32 MHz.
- Rich analog peripherals: Includes a 12-bit ADC, 12-bit DACs, and ultra-low-power comparators.
- Advanced communication interfaces: Supports up to two I2Cs, two SPIs, three USARTs, and a USB.
- Capacitive sensing: Up to 20 capacitive sensing channels for touch sensing functionality.
- LCD controller: Integrated LCD controller (except for some models) 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.
- High-speed embedded memories: Up to 128 Kbytes of Flash memory, up to 32 Kbytes of RAM, and up to 4 Kbytes of true EEPROM.
Applications
- Industrial automation: Suitable for low-power industrial control systems and automation.
- Medical devices: Ideal for medical devices requiring high performance and low power consumption.
- Consumer electronics: Used in various consumer electronics such as smart home devices, wearables, and handheld devices.
- Automotive systems: Can be used in automotive systems that require low power and high reliability.
- IoT devices: Perfect for Internet of Things (IoT) applications where power efficiency is crucial.
Q & A
- What is the core architecture of the STM32L151C8T6A?
The STM32L151C8T6A is based on the ARM Cortex-M3 32-bit RISC core.
- What is the operating frequency of the STM32L151C8T6A?
The device operates at a frequency of up to 32 MHz.
- What is the power supply range for the STM32L151C8T6A?
The device operates from a 1.65 V to 3.6 V power supply.
- What are the key power-saving modes of the STM32L151C8T6A?
The device features Standby, Stop, and Low-power Run modes.
- What types of communication interfaces does the STM32L151C8T6A support?
The device supports up to two I2Cs, two SPIs, three USARTs, and a USB.
- Does the STM32L151C8T6A have an integrated LCD controller?
Yes, the device includes an integrated LCD controller (except for some models) with a built-in LCD voltage generator.
- What is the maximum temperature range for the STM32L151C8T6A?
The device operates in the -40°C to +85°C temperature range, extended to +105°C in low power dissipation state.
- How much Flash memory does the STM32L151C8T6A have?
The device has up to 128 Kbytes of Flash memory with ECC.
- What is the purpose of the backup registers in the STM32L151C8T6A?
The backup registers remain powered in Standby mode to preserve critical data.
- Can the STM32L151C8T6A be used in industrial automation?
Yes, the device is suitable for low-power industrial control systems and automation.
