Overview
The STM32L151R8T6 is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L1 series. It integrates the high-performance ARM® Cortex®-M3 32-bit RISC core, operating at a frequency of up to 32 MHz. This device is designed for low-power applications, offering a comprehensive set of power-saving modes and a wide range of peripherals and interfaces. The STM32L151R8T6 is suitable for various applications requiring high performance, low power consumption, and advanced connectivity options.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | ARM® Cortex®-M3 32-bit CPU |
| Frequency | Up to 32 MHz |
| Power Supply | 1.65 V to 3.6 V |
| Temperature Range | -40°C to +85°C / +105°C (low power dissipation state) |
| Flash Memory | Up to 128 Kbytes with ECC |
| RAM | Up to 16 Kbytes |
| EEPROM | Up to 4 Kbytes with ECC |
| Backup Register | 80 bytes |
| ADC | 12-bit, 1 Msps, up to 24 channels |
| DAC | 12-bit, 2 channels with output buffers |
| Comparators | 2 ultra-low-power comparators |
| Timers | 6x 16-bit with up to 4 IC/OC/PWM channels, 2x 16-bit basic timers, 2x watchdog timers |
| Communication Interfaces | 1x USB 2.0, 3x USARTs, 2x SPIs, 2x I2Cs |
| Capacitive Sensing Channels | Up to 20 channels |
| Package | LQFP 64 10x10x1.4 mm |
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 33.3 DMIPS
- Rich analog peripherals including 12-bit ADC, 12-bit DAC, and ultra-low-power comparators
- Advanced communication interfaces: USB 2.0, USARTs, SPIs, I2Cs
- Up to 20 capacitive sensing channels for touch sensing functionality
- Integrated LCD controller (except for STM32L151x/6/8/B devices) with LCD voltage generator
- Real-time clock with sub-second counting and backup registers
- Ultra-safe, low-power BOR with 5 selectable thresholds and programmable voltage detector (PVD)
- Development support: Serial wire debug, JTAG, and trace supported
Applications
- Low-power IoT devices
- Wearable electronics
- Industrial automation and control systems
- Medical devices requiring low power consumption
- Consumer electronics such as smart home devices and remote controls
- Automotive systems where low power and high performance are critical
Q & A
- What is the core architecture of the STM32L151R8T6?
The STM32L151R8T6 is based on the ARM® Cortex®-M3 32-bit RISC core.
- What is the maximum operating frequency of the STM32L151R8T6?
The maximum operating frequency is up to 32 MHz.
- What is the power supply range for the STM32L151R8T6?
The power supply range is from 1.65 V to 3.6 V.
- What are the key power-saving modes available on the STM32L151R8T6?
The device features Standby, Stop, and Low-power run modes.
- What types of communication interfaces does the STM32L151R8T6 support?
The device supports USB 2.0, USARTs, SPIs, and I2Cs.
- Does the STM32L151R8T6 have integrated LCD controller capabilities?
No, the STM32L151R8T6 does not have an integrated LCD controller.
- What is the maximum number of capacitive sensing channels supported by the STM32L151R8T6?
The device supports up to 20 capacitive sensing channels.
- What are the memory options available on the STM32L151R8T6?
The device has up to 128 Kbytes of Flash memory, up to 16 Kbytes of RAM, and up to 4 Kbytes of EEPROM.
- What are the key analog peripherals included in the STM32L151R8T6?
The device includes a 12-bit ADC, 12-bit DAC, and 2 ultra-low-power comparators.
- Is the STM32L151R8T6 suitable for industrial applications?
