Overview
The STM32L152C8T6A is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L series. It is based on the ARM® Cortex®-M3 32-bit RISC core, operating at a frequency of up to 32 MHz. This device integrates a range of features including high-speed embedded memories, extensive I/Os, and advanced communication interfaces. The STM32L152C8T6A is designed to support low-power applications with various power-saving modes and a wide operating temperature range from -40°C to 105°C.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | ARM® Cortex®-M3 32-bit CPU |
| Maximum Clock Frequency | Up to 32 MHz |
| Power Supply | 1.65 V to 3.6 V |
| Operating Temperature | -40°C to 105°C |
| Flash Memory | Up to 128 Kbytes with ECC |
| RAM | Up to 32 Kbytes |
| EEPROM | Up to 4 Kbytes with ECC |
| ADC Resolution | 12-bit, up to 24 channels |
| DAC Channels | 2 channels with output buffers |
| Timers | 6 general-purpose 16-bit timers, 2 basic timers, 2 watchdog timers |
| Communication Interfaces | USB 2.0, 3 USARTs, 2 SPIs, 2 I2Cs |
| I/Os | Up to 37 I/Os (5V tolerant) |
| Capacitive Sensing Channels | Up to 20 channels |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, Low-power Run)
- High-performance ARM® Cortex®-M3 32-bit CPU with up to 32 MHz frequency
- Memory protection unit (MPU) and reset and supply management
- High-speed embedded memories: up to 128 Kbytes Flash, up to 32 Kbytes RAM, and up to 4 Kbytes EEPROM
- Rich analog peripherals: 12-bit ADC, 2 DACs, and 2 ultra-low-power comparators
- Extensive range of communication interfaces: USB 2.0, USARTs, SPIs, I2Cs
- Up to 20 capacitive sensing channels for touch sensing functionality
- Real-time clock with sub-second counting and backup registers
- LCD controller (except for some models) with built-in LCD voltage generator
- Ultra-safe, low-power BOR (brownout reset) with 5 selectable thresholds
Applications
The STM32L152C8T6A is suitable for a wide range of applications requiring low power consumption and high performance. These include:
- IoT devices and smart home appliances
- Industrial automation and control systems
- Medical devices and healthcare equipment
- Consumer electronics such as wearables and mobile devices
- Automotive systems and telematics
Q & A
- What is the core processor of the STM32L152C8T6A?
The core processor is the ARM® Cortex®-M3 32-bit RISC CPU.
- What is the maximum clock frequency of the STM32L152C8T6A?
The maximum clock frequency is up to 32 MHz.
- What is the power supply range for the STM32L152C8T6A?
The power supply range is from 1.65 V to 3.6 V.
- What are the operating temperature ranges for the STM32L152C8T6A?
The operating temperature ranges are from -40°C to 105°C.
- How much Flash memory does the STM32L152C8T6A have?
The STM32L152C8T6A has up to 128 Kbytes of Flash memory with ECC.
- What types of communication interfaces are available on the STM32L152C8T6A?
The device includes USB 2.0, 3 USARTs, 2 SPIs, and 2 I2Cs.
- Does the STM32L152C8T6A support capacitive sensing?
Yes, it supports up to 20 capacitive sensing channels.
- What is the purpose of the real-time clock in the STM32L152C8T6A?
The real-time clock provides sub-second counting and includes backup registers that remain powered in Standby mode.
- Is the STM32L152C8T6A suitable for low-power applications?
Yes, it is designed with multiple power-saving modes to support low-power applications.
- What types of timers are available on the STM32L152C8T6A?
The device includes six general-purpose 16-bit timers, two basic timers, and two watchdog timers.
