Overview
The STM32L152R8T6TR is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L 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 STM32L152R8T6TR is particularly suited for applications requiring high performance, low power consumption, and advanced connectivity options such as USB, USARTs, SPIs, and I2Cs.
Key Specifications
| Parameter | Value |
|---|---|
| Core | ARM® Cortex®-M3 32-bit CPU |
| Operating 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 |
| Power Modes | Standby: 0.3 μA (3 wakeup pins), Stop: 0.57 μA (16 wakeup lines), Low-power run: 9 μA, Run: 214 μA/MHz |
| Package | LQFP 64 10x10x1.4 mm |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, Low-power run, Run)
- ARM® Cortex®-M3 32-bit CPU with up to 32 MHz frequency and 1.25 DMIPS/MHz (Dhrystone 2.1)
- Memory protection unit (MPU) and reset and supply management
- Ultra-safe, low-power BOR (brownout reset) with 5 selectable thresholds and ultra-low-power POR/PDR
- Programmable voltage detector (PVD) and various clock sources including crystal oscillators and internal RC oscillators
- Rich analog peripherals: 12-bit ADC, 12-bit DAC, and ultra-low-power comparators
- Extensive communication interfaces: USB 2.0, USARTs, SPIs, and I2Cs
- Up to 20 capacitive sensing channels for touch sensing functionality
- Integrated LCD controller (except STM32L151x/6/8/B devices) with built-in LCD voltage generator
- DMA controller with 7 channels and CRC calculation unit with 96-bit unique ID
Applications
- Low-power IoT devices and smart home applications
- Industrial automation and control systems
- Medical devices requiring low power consumption and high performance
- Consumer electronics such as smart meters, fitness trackers, and wearables
- Automotive systems, especially those requiring low power and advanced connectivity
- Touch sensing applications including touchkey, linear, and rotary touch sensors
Q & A
- What is the core architecture of the STM32L152R8T6TR?
The core architecture is based on the ARM® Cortex®-M3 32-bit RISC CPU.
- What is the operating frequency range of the STM32L152R8T6TR?
The operating frequency range is from 32 kHz up to 32 MHz.
- What are the power supply voltage ranges for the STM32L152R8T6TR?
The power supply voltage ranges from 1.65 V to 3.6 V.
- What are the key power-saving modes available on the STM32L152R8T6TR?
The key power-saving modes include Standby, Stop, Low-power run, and Run modes.
- What types of communication interfaces are available on the STM32L152R8T6TR?
The device includes USB 2.0, USARTs, SPIs, and I2Cs.
- Does the STM32L152R8T6TR support touch sensing functionality?
Yes, it supports up to 20 capacitive sensing channels for touchkey, linear, and rotary touch sensors.
- What is the temperature range for the STM32L152R8T6TR?
The temperature range is -40°C to +85°C / +105°C (in low power dissipation state).
- What types of timers are available on the STM32L152R8T6TR?
The device includes six 16-bit timers with up to 4 IC/OC/PWM channels, two 16-bit basic timers, and two watchdog timers.
- Does the STM32L152R8T6TR have an integrated LCD controller?
Yes, it includes an integrated LCD controller with a built-in LCD voltage generator (except for STM32L151x/6/8/B devices).
- What is the package type for the STM32L152R8T6TR?
The package type is LQFP 64 10x10x1.4 mm.
