Overview
The STM32L152C8T6 is a member of the ultra-low-power STM32L15x family of microcontrollers from STMicroelectronics. This 32-bit MCU is based on the ARM Cortex-M3 core, offering a balance between high performance and low power consumption. The device operates within a voltage range of 1.8 V to 3.6 V and is available in temperature ranges of -40°C to 85°C or -40°C to 105°C. It features an advanced architecture with a maximum frequency of 32 MHz, providing up to 1.25 DMIPS/MHz (Dhrystone 2.1).
Key Specifications
| Parameter | Specification |
|---|---|
| Core | ARM Cortex-M3 32-bit CPU |
| Maximum Frequency | Up to 32 MHz |
| Power Supply Range | 1.8 V to 3.6 V |
| Temperature Range | -40°C to 85°C or -40°C to 105°C |
| Flash Memory | Up to 128 Kbytes with ECC |
| RAM | Up to 16 Kbytes |
| EEPROM | Up to 4 Kbytes with ECC |
| Low Power Modes | Standby (0.3 µA), Stop (0.57 µA), Low-power run (9 µA) |
| Clock Sources | 1 to 24 MHz crystal oscillator, 32 kHz oscillator for RTC, Internal 16 MHz RC |
| Communication Interfaces | SPI, I2C (SMBus/PMBus), USART (ISO 7816, IrDA), USB 2.0 |
| Timers | 10 timers including 6x 16-bit with up to 4 IC/OC/PWM channels |
| Analog Peripherals | 12-bit ADC up to 24 channels, 12-bit DAC with output buffers, 2 ultra-low-power comparators |
| Package | LQFP48 7x7x1.4 mm, UFQFPN48 7x7x0.55 mm |
Key Features
- Ultra-low-power platform: Features low power modes such as Standby (0.3 µA), Stop (0.57 µA), and Low-power run (9 µA) to minimize energy consumption.
- Advanced Core: ARM Cortex-M3 32-bit CPU with up to 1.25 DMIPS/MHz (Dhrystone 2.1) performance.
- Rich Peripherals: Includes 12-bit ADC, 12-bit DAC, ultra-low-power comparators, and multiple timers and watchdogs.
- Communication Interfaces: Supports SPI, I2C (SMBus/PMBus), USART (ISO 7816, IrDA), and USB 2.0.
- Development Support: Offers serial wire debug, JTAG, and trace support, along with a pre-programmed bootloader using USART.
- Capacitive Sensing: Up to 20 capacitive sensing channels supporting touchkey, linear, and rotary touch sensors.
- Memory Protection: Includes a memory protection unit and flexible write and read protection modes.
Applications
- Industrial Automation: Suitable for control systems, sensors, and actuators due to its robust peripherals and low power consumption.
- Medical Devices: Ideal for medical equipment requiring low power and high reliability, such as portable diagnostic devices.
- Consumer Electronics: Used in smart home devices, wearables, and other consumer electronics where power efficiency is crucial.
- Automotive Systems: Can be used in various automotive applications, including infotainment systems and sensor modules.
- IoT Devices: Perfect for Internet of Things (IoT) applications that require low power and advanced communication capabilities.
Q & A
- What is the maximum operating frequency of the STM32L152C8T6?
The maximum operating frequency is up to 32 MHz.
- What are the power supply voltage ranges for this MCU?
The power supply voltage range is from 1.8 V to 3.6 V.
- What are the available low power modes for this device?
The device features Standby (0.3 µA), Stop (0.57 µA), and Low-power run (9 µA) modes.
- What types of communication interfaces are supported by the STM32L152C8T6?
The device supports SPI, I2C (SMBus/PMBus), USART (ISO 7816, IrDA), and USB 2.0.
- What is the maximum number of capacitive sensing channels available?
Up to 20 capacitive sensing channels are available.
- Does the STM32L152C8T6 have any built-in memory protection features?
Yes, it includes a memory protection unit and flexible write and read protection modes.
- What are the available package options for the STM32L152C8T6?
The device is available in LQFP48 7x7x1.4 mm and UFQFPN48 7x7x0.55 mm packages.
- What is the purpose of the internal 16 MHz RC oscillator?
The internal 16 MHz RC oscillator serves as a clock source for the CPU and other peripherals.
- Does the device support any debugging interfaces?
Yes, it supports serial wire debug, JTAG, and trace interfaces.
- What is the significance of the 96-bit unique ID in the STM32L152C8T6?
The 96-bit unique ID allows for unique identification of each device, which is useful in various applications.
