Overview
The STM32L100RCT6 is an ultra-low-power microcontroller from STMicroelectronics, based on the ARM® Cortex®-M3 32-bit RISC core. It operates at a frequency of 32 MHz and features a memory protection unit (MPU), high-speed embedded memories, and an extensive range of enhanced I/Os and peripherals. The device is designed for low-power applications, offering various power-saving modes and a wide operating temperature range from -40°C to +85°C or +105°C. It is particularly suited for applications requiring high performance, reliability, and environmental compliance.
Key Specifications
| Parameter | Value |
|---|---|
| Core Processor | ARM® Cortex®-M3 |
| Core Size | 32-Bit Single-Core |
| Speed | 32 MHz |
| Connectivity | I²C, SPI, UART/USART, USB |
| Program Memory Size | 256 kB Flash |
| RAM Size | 16 kB |
| EEPROM Size | 4 kB |
| Voltage - Supply (Vcc/Vdd) | 1.8 V to 3.6 V |
| Operating Temperature | -40°C to +85°C or +105°C |
| Package / Case | LQFP-64 (10x10 mm) |
| Number of I/Os | 51 |
| ADC Resolution | 12-bit, up to 20 channels |
| DAC Resolution | 12-bit, 2 channels |
| Timers | 6x 16-bit with up to 4 IC/OC/PWM channels, 2x 16-bit basic timers, 2x watchdog timers |
| Communication Interfaces | Up to 2 I²Cs, 3 SPIs, 2 I²S, 3 USARTs, 1 USB 2.0 |
Key Features
- Ultra-low-power platform with various power-saving modes (Standby, Stop, and Low-power run modes)
- High-performance ARM® Cortex®-M3 32-bit RISC core operating at 32 MHz
- High-speed embedded memories: 256 Kbytes of Flash memory with ECC, 16 Kbytes of RAM, and 4 Kbytes of true EEPROM with ECC
- Analog peripherals: 12-bit ADC with up to 20 channels, 12-bit DACs with 2 channels, and 2 ultra-low-power comparators
- Extensive range of enhanced I/Os and peripherals connected to two APB buses
- Integrated LCD controller with a built-in LCD voltage generator for up to 8 multiplexed LCDs
- Real-time clock and backup registers that remain powered in Standby mode
- Robust reset and supply management including brown-out detect/reset and programmable voltage detector (PVD)
- DMA controller with 12 channels and CRC calculation unit
- Multiple communication interfaces: I²C, SPI, USART, USB 2.0, and I²S
Applications
The STM32L100RCT6 is suitable for a wide range of applications that require low power consumption and high performance. These include:
- IoT devices and smart home appliances
- Industrial automation and control systems
- Medical devices and healthcare equipment
- Automotive systems and telematics
- Consumer electronics and wearable devices
- Energy management and metering systems
Q & A
- What is the core processor of the STM32L100RCT6?
The core processor is the ARM® Cortex®-M3 32-bit RISC core.
- What is the maximum operating frequency of the STM32L100RCT6?
The maximum operating frequency is 32 MHz.
- What are the power supply voltage ranges for the STM32L100RCT6?
The device operates from a 1.8 to 3.6 V power supply.
- What types of communication interfaces does the STM32L100RCT6 support?
The device supports I²C, SPI, USART, USB 2.0, and I²S interfaces.
- How many I/Os does the STM32L100RCT6 have?
The device has 51 I/Os.
- What is the resolution of the ADC and DAC in the STM32L100RCT6?
The ADC has a 12-bit resolution with up to 20 channels, and the DAC has a 12-bit resolution with 2 channels.
- Does the STM32L100RCT6 support LCD control?
Yes, it includes an integrated LCD controller with a built-in LCD voltage generator for up to 8 multiplexed LCDs.
- What are the power-saving modes available in the STM32L100RCT6?
The device supports Standby, Stop, and Low-power run modes.
- What is the operating temperature range of the STM32L100RCT6?
The operating temperature range is from -40°C to +85°C or +105°C.
- Does the STM32L100RCT6 have a real-time clock?
Yes, it includes a real-time clock and backup registers that remain powered in Standby mode.
