Overview
The STM32L100R8T6TR is an ultra-low-power microcontroller from STMicroelectronics, based on the 32-bit ARM® Cortex®-M3 processor core. This device is part of the STM32L1 series, known for its high performance and low power consumption. It operates within a voltage range of 1.8 V to 3.6 V and is designed to function in a temperature range of -40°C to 85°C. The microcontroller is equipped with a comprehensive set of peripherals and interfaces, making it suitable for a wide range of applications, particularly those requiring low power and high efficiency.
Key Specifications
| Parameter | Value |
|---|---|
| Core | 32-bit ARM® Cortex®-M3 CPU |
| Maximum CPU Frequency | 32 MHz |
| Flash Memory | Up to 128 Kbytes with ECC |
| RAM | Up to 10 Kbytes |
| EEPROM | Up to 2 Kbytes with ECC |
| Backup Register | 20 bytes |
| Power Supply | 1.8 V to 3.6 V |
| Temperature Range | -40°C to 85°C |
| Package | LQFP 64 (10x10x1.4 mm) |
| I/Os | Up to 51 fast I/Os (42 I/Os 5V tolerant) |
| Analog Peripherals | 12-bit ADC (up to 20 channels), 12-bit DAC (2 channels), 2 ultra-low-power comparators |
| Communication Interfaces | USB 2.0, 3 USARTs, 2 SPIs, 2 I2Cs |
| Timers | Six 16-bit timers, two 16-bit basic timers, two watchdog timers |
Key Features
- Ultra-low-power platform with multiple power-saving modes: Standby mode (0.3 µA), Stop mode (0.57 µA), and Low-power run mode (9 µA).
- High-speed internal 16 MHz oscillator and internal multispeed low-power oscillators (65 kHz to 4.2 MHz).
- Integrated LCD controller for up to 8x28 segments with built-in LCD voltage generator.
- Advanced communication interfaces including USB 2.0, three USARTs, two SPIs, and two I2Cs.
- Seven DMA controller channels and CRC calculation unit.
- Ultra-safe, low-power BOR (brownout reset) with 5 selectable thresholds and programmable voltage detector (PVD).
Applications
- Battery-powered applications due to its ultra-low-power consumption.
- Industrial control systems requiring robust and efficient microcontrollers.
- Consumer electronics where power efficiency is crucial.
- Power management systems and alarms/security systems.
Q & A
- What is the core processor of the STM32L100R8T6TR? The core processor is the 32-bit ARM® Cortex®-M3 CPU.
- What is the maximum CPU frequency of the STM32L100R8T6TR? The maximum CPU frequency is 32 MHz.
- What is the power supply range for the STM32L100R8T6TR? The power supply range is from 1.8 V to 3.6 V.
- How many I/Os does the STM32L100R8T6TR have? It has up to 51 fast I/Os (42 I/Os 5V tolerant).
- What are the key analog peripherals of the STM32L100R8T6TR? The key analog peripherals include a 12-bit ADC, 12-bit DAC, and two ultra-low-power comparators.
- Does the STM32L100R8T6TR support USB? Yes, it supports USB 2.0.
- What are the power-saving modes available in the STM32L100R8T6TR? The available modes include Standby, Stop, and Low-power run modes.
- Is the STM32L100R8T6TR RoHS compliant? Yes, it is RoHS compliant.
- What is the temperature range for the STM32L100R8T6TR? The temperature range is from -40°C to 85°C.
- What types of timers are available on the STM32L100R8T6TR? It includes six 16-bit timers, two 16-bit basic timers, and two watchdog timers).
