Overview
The STM32L100R8T6 is an ultra-low-power 32-bit microcontroller from STMicroelectronics, based on the ARM Cortex-M3 core. This device is part of the STM32L100 series, known for its high-performance and low-power consumption. It operates at a frequency of up to 32 MHz and features a memory protection unit (MPU), high-speed embedded memories, and an extensive range of enhanced I/Os and peripherals. The microcontroller is designed to support a wide range of applications requiring low power consumption and high performance.
Key Specifications
| Parameter | Value |
|---|---|
| Core | 32-bit ARM Cortex-M3 CPU |
| Frequency | Up to 32 MHz |
| Supply Voltage | 1.8 V to 3.6 V |
| Operating Temperature | -40°C to 85°C |
| Flash Memory | Up to 128 Kbytes (64 Kbytes for STM32L100R8T6 specifically) |
| RAM | Up to 10 Kbytes (8 Kbytes for STM32L100R8T6 specifically) |
| EEPROM | Up to 2 Kbytes |
| Backup Register | 20 bytes |
| I/Os | Up to 51 fast I/Os (42 I/Os 5V tolerant) |
| Analog Peripherals | 12-bit ADC (1 Msps, up to 20 channels), 12-bit DAC (2 channels with output buffers), 2 ultra-low-power comparators |
| Communication Interfaces | One USB 2.0, three USARTs, two SPIs, two I2Cs |
| Timers | Six 16-bit timers with up to 4 IC/OC/PWM channels, two 16-bit basic timers, two watchdog timers |
| Package | LQFP64 (10x10x1.4 mm) |
Key Features
- Ultra-low-power platform: Features multiple power-saving modes including Standby, Stop, and Low-power run modes, with ultra-low I/O leakage and fast wakeup times.
- High-performance core: 32-bit ARM Cortex-M3 CPU operating at up to 32 MHz with 1.25 DMIPS/MHz (Dhrystone 2.1).
- Advanced peripherals: Includes a 12-bit ADC, 12-bit DAC, two ultra-low-power comparators, LCD driver for up to 8x28 segments, and multiple communication interfaces (USB, USART, SPI, I2C).
- Memory and storage: Up to 128 Kbytes of Flash memory with ECC, up to 10 Kbytes of RAM, and up to 2 Kbytes of true EEPROM with ECC.
- Development support: Supports serial wire debug, JTAG, and pre-programmed bootloader.
Applications
The STM32L100R8T6 is suitable for a variety of applications that require low power consumption and high performance, such as:
- Industrial automation: For control and monitoring systems that need to operate efficiently over long periods.
- Medical devices: Where low power consumption is critical for battery-powered devices.
- Consumer electronics: For devices that require both performance and power efficiency, such as smart home devices and wearables.
- Automotive systems: For applications that need robust performance in a low-power envelope.
Q & A
- What is the core architecture of the STM32L100R8T6?
The core architecture is based on the 32-bit ARM Cortex-M3 CPU.
- What is the operating voltage range of the STM32L100R8T6?
The operating voltage range is from 1.8 V to 3.6 V.
- What are the key power-saving modes of the STM32L100R8T6?
The key power-saving modes include Standby, Stop, and Low-power run modes.
- How much Flash memory does the STM32L100R8T6 have?
The STM32L100R8T6 specifically has 64 Kbytes of Flash memory, though the series can have up to 128 Kbytes.
- What communication interfaces are available on the STM32L100R8T6?
The device includes one USB 2.0, three USARTs, two SPIs, and two I2Cs.
- What is the maximum frequency of the STM32L100R8T6?
The maximum frequency is up to 32 MHz.
- Does the STM32L100R8T6 support LCD driving?
Yes, it includes an LCD driver for up to 8x28 segments.
- What are the available development tools and support for the STM32L100R8T6?
The device supports serial wire debug, JTAG, and has a pre-programmed bootloader.
- What is the operating temperature range of the STM32L100R8T6?
The operating temperature range is from -40°C to 85°C.
- How many I/Os does the STM32L100R8T6 have?
The device has up to 51 fast I/Os (42 I/Os 5V tolerant).
