Overview
The STM32L151QDH6TR is an ultra-low-power 32-bit microcontroller from STMicroelectronics, based on the Arm Cortex-M3 core. This MCU is designed for applications requiring high performance and low power consumption, making it ideal for battery-powered devices and energy-efficient systems. It features a comprehensive set of peripherals and advanced power-saving modes, ensuring optimal performance while minimizing energy usage.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | UFBGA-132 |
| Core | Arm Cortex-M3 32-bit CPU |
| Maximum Clock Frequency | 32 MHz |
| Program Memory Size | 384 Kbytes of Flash memory |
| Data RAM Size | 48 Kbytes of RAM |
| EEPROM Size | 12 Kbytes of true EEPROM |
| Supply Voltage | 1.65 V to 3.6 V |
| Operating Temperature Range | -40°C to +105°C |
| Number of I/Os | Up to 116 fast I/Os (102 I/Os 5V tolerant) |
| ADC Resolution | 12-bit ADC up to 40 channels |
| DAC Resolution | 12-bit DAC 2 channels with output buffers |
| Communication Interfaces | USB 2.0, USARTs, SPIs, I2Cs, SDIO interface |
| Timers | 11 timers including 32-bit and 16-bit timers |
Key Features
- Ultra-low-power platform: Features standby modes as low as 305 nA and stop modes as low as 0.475 µA, making it highly energy-efficient.
- Advanced Power Management: Includes low-power, ultra-safe BOR (brownout reset), ultra-low-power POR/PDR, and programmable voltage detector (PVD).
- Rich Analog Peripherals: Includes 3x operational amplifiers, 12-bit ADC, 12-bit DAC, and ultra-low-power comparators.
- Multiple Communication Interfaces: Supports USB 2.0, USARTs, SPIs, I2Cs, and SDIO interface.
- High Performance: 32-bit Arm Cortex-M3 CPU with up to 32 MHz clock frequency and 33.3 DMIPS peak performance.
- Memory and Storage: 384 Kbytes of Flash memory, 48 Kbytes of RAM, and 12 Kbytes of true EEPROM).
Applications
- Battery-Powered Devices: Ideal for devices that require long battery life due to its ultra-low-power consumption).
- Industrial Control and Automation: Suitable for industrial applications requiring high performance and reliability).
- Consumer Electronics: Can be used in various consumer electronics that need efficient power management and advanced peripherals).
- Medical Devices: Appropriate for medical devices that demand low power consumption and high reliability).
- IoT Devices: Suitable for Internet of Things (IoT) applications that require efficient power management and multiple communication interfaces).
Q & A
- What is the core architecture of the STM32L151QDH6TR?
The STM32L151QDH6TR is based on the Arm Cortex-M3 32-bit CPU).
- What is the maximum clock frequency of the STM32L151QDH6TR?
The maximum clock frequency is 32 MHz).
- What is the power supply voltage range for the STM32L151QDH6TR?
The power supply voltage range is from 1.65 V to 3.6 V).
- How much Flash memory does the STM32L151QDH6TR have?
The STM32L151QDH6TR has 384 Kbytes of Flash memory).
- What are the advanced power-saving modes available in the STM32L151QDH6TR?
The MCU features standby modes as low as 305 nA and stop modes as low as 0.475 µA, along with other low-power modes).
- Does the STM32L151QDH6TR support USB?
Yes, it supports USB 2.0 with an internal 48 MHz PLL).
- What types of timers are available in the STM32L151QDH6TR?
The MCU includes 11 timers, including 32-bit and 16-bit timers, and watchdog timers).
- What is the operating temperature range of the STM32L151QDH6TR?
The operating temperature range is from -40°C to +105°C).
- How many I/Os does the STM32L151QDH6TR have?
The MCU has up to 116 fast I/Os, with 102 I/Os being 5V tolerant).
- What are some typical applications for the STM32L151QDH6TR?
Typical applications include battery-powered devices, industrial control and automation, consumer electronics, medical devices, and IoT devices).
