Overview
The STM32L151RET6TR is a microcontroller from STMicroelectronics, part of the STM32L1 series. It is based on the high-performance Arm Cortex-M3 32-bit RISC core, operating at a frequency of up to 32 MHz. This ultra-low-power device is designed for applications requiring high performance and low energy consumption. It features a comprehensive set of peripherals, including high-speed embedded memories, enhanced I/Os, and advanced communication interfaces.
Key Specifications
| Parameter | Specification |
|---|---|
| Core Processor | ARM Cortex-M3, 32-bit |
| Operating Frequency | Up to 32 MHz |
| Program Memory Size | 512 KB Flash with ECC |
| RAM Size | 80 KB |
| EEPROM Size | 16 KB with ECC |
| Backup Register | 128 bytes |
| Supply Voltage | 1.8 V to 3.6 V (down to 1.65 V at power down) |
| Operating Temperature | -40 °C to +85 °C / -40 °C to +105 °C |
| Package Type | 64-pin LQFP |
| Number of I/Os | Up to 116 fast I/Os (102 I/Os 5V tolerant) |
| Communication Interfaces | USB 2.0, up to 3 USARTs, up to 3 SPIs, up to 2 I2Cs, 2 I2S |
| Analog Peripherals | 2 operational amplifiers, 12-bit ADC (up to 40 channels), 12-bit DAC (2 channels), 2 ultra-low-power comparators |
Key Features
- Ultra-low-power consumption with multiple power-saving modes
- High-performance Arm Cortex-M3 32-bit RISC core
- High-speed embedded memories: 512 KB Flash, 80 KB RAM, 16 KB true EEPROM
- Extensive range of enhanced I/Os and peripherals connected to two APB buses
- Advanced communication interfaces: USB 2.0, USART, SPI, I2C, I2S
- Rich analog peripherals: operational amplifiers, ADC, DAC, ultra-low-power comparators
- Up to 34 capacitive sensing channels for touch sensing functionality
- Real-time clock and backup registers
- Integrated LCD controller (except STM32L151xE devices)
Applications
- Low-power industrial control systems
- Smart energy management systems
- Medical devices requiring low power consumption
- Consumer electronics with touch sensing capabilities
- Automotive systems needing high reliability and low power
- IoT devices requiring efficient power management
Q & A
- What is the core processor of the STM32L151RET6TR?
The core processor is the Arm Cortex-M3, 32-bit RISC core.
- What is the maximum operating frequency of the STM32L151RET6TR?
The maximum operating frequency is up to 32 MHz.
- What is the program memory size of the STM32L151RET6TR?
The program memory size is 512 KB Flash with ECC.
- What are the supply voltage ranges for the STM32L151RET6TR?
The supply voltage ranges from 1.8 V to 3.6 V (down to 1.65 V at power down).
- What types of communication interfaces does the STM32L151RET6TR support?
The device supports USB 2.0, USART, SPI, I2C, and I2S interfaces.
- Does the STM32L151RET6TR have any analog peripherals?
Yes, it includes operational amplifiers, a 12-bit ADC, a 12-bit DAC, and ultra-low-power comparators.
- What is the package type of the STM32L151RET6TR?
The package type is 64-pin LQFP.
- What are some typical applications for the STM32L151RET6TR?
Typical applications include low-power industrial control systems, smart energy management systems, medical devices, consumer electronics, automotive systems, and IoT devices.
- Does the STM32L151RET6TR support touch sensing functionality?
Yes, it supports up to 34 capacitive sensing channels for touch sensing functionality.
- What are the operating temperature ranges for the STM32L151RET6TR?
The operating temperature ranges are -40 °C to +85 °C and -40 °C to +105 °C.
