Overview
The STM32L151R8H6TR is a 32-bit microcontroller from STMicroelectronics, part of the STM32L1 series. This ultra-low-power device is based on the ARM® Cortex®-M3 core, operating at a frequency of up to 32 MHz. It is designed for applications requiring high performance, low power consumption, and a rich set of peripherals. The microcontroller features 64 KB of Flash memory, 10 KB of RAM, and 4 KB of EEPROM, making it suitable for a wide range of applications from consumer electronics to industrial control systems and IoT devices.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Part Number | STM32L151R8H6TR |
| Description | IC MCU 32BIT 64KB FLASH 64BGA |
| Voltage - Supply (Vcc/Vdd) | 1.8 V ~ 3.6 V |
| Package / Case | 64-TFBGA (5x5) |
| Speed | 32MHz |
| RAM Size | 10K x 8 |
| Program Memory Type | FLASH |
| Program Memory Size | 64KB (64K x 8) |
| EEPROM Size | 4K x 8 |
| Core Processor | ARM® Cortex®-M3 |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Number of I/O | 51 |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
| Data Converters | A/D 20x12b; D/A 2x12b |
| Connectivity | I²C, IrDA, LINbus, SPI, UART/USART, USB |
Key Features
- Ultra-low-power platform: Operates from 1.8 V to 3.6 V with various power-saving modes, including Standby, Stop, and Low-power run modes.
- ARM® Cortex®-M3 Core: 32-bit single-core processor with a maximum frequency of 32 MHz and 1.25 DMIPS/MHz (Dhrystone 2.1).
- Memory and Storage: 64 KB of Flash memory, 10 KB of RAM, and 4 KB of EEPROM.
- Analog Peripherals: 12-bit ADC with up to 20 channels, 12-bit DAC with 2 channels, and 2 ultra-low-power comparators.
- Communication Interfaces: USB 2.0, 3 USARTs, 2 SPIs, 2 I²Cs, and support for IrDA and LINbus.
- Capacitive Sensing: Up to 20 capacitive sensing channels for touchkey, linear, and rotary touch sensors.
- Timers and Watchdogs: 6 general-purpose 16-bit timers and 2 basic timers, along with 2 watchdog timers.
- Power Management: Brown-out detect/reset, power-on reset, and programmable voltage detector.
- Development Support: Pre-programmed bootloader, serial wire debug, JTAG, and trace support.
Applications
- Consumer Electronics: Suitable for low-power consumer devices such as smart home appliances and wearables.
- Industrial Control Systems: Used in industrial automation, motor control, and other control systems requiring low power and high performance.
- Internet of Things (IoT) Devices: Ideal for IoT applications due to its low power consumption and rich set of peripherals.
- Medical Equipment: Can be used in medical devices that require precise control and low power consumption.
- Energy Management: Suitable for energy management systems and smart meters.
- Automotive Applications: Used in various automotive systems that require low power and high reliability.
Q & A
- What is the core processor of the STM32L151R8H6TR?
The core processor is the ARM® Cortex®-M3 32-bit RISC core.
- What is the maximum clock speed of the STM32L151R8H6TR?
The maximum clock speed is 32 MHz.
- How much Flash memory does the STM32L151R8H6TR have?
The STM32L151R8H6TR has 64 KB of Flash memory.
- What are the power supply voltage ranges for the STM32L151R8H6TR?
The power supply voltage ranges from 1.8 V to 3.6 V.
- What types of communication interfaces does the STM32L151R8H6TR support?
The microcontroller supports I²C, IrDA, LINbus, SPI, UART/USART, and USB.
- What is the operating temperature range of the STM32L151R8H6TR?
The operating temperature range is -40°C to 85°C.
- Does the STM32L151R8H6TR support capacitive sensing?
Yes, it supports up to 20 capacitive sensing channels.
- What are the key analog peripherals of the STM32L151R8H6TR?
The key analog peripherals include a 12-bit ADC with up to 20 channels and a 12-bit DAC with 2 channels.
- Is the STM32L151R8H6TR RoHS compliant?
Yes, the STM32L151R8H6TR is lead-free and RoHS compliant.
- What is the package type of the STM32L151R8H6TR?
The package type is 64-TFBGA (5x5).
