Overview
The STM32L100C6U6A is an ultra-low-power 32-bit microcontroller from STMicroelectronics, part of the STM32L100x6/8/B-A series. It features 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 microcontroller includes high-speed embedded memories such as up to 128 Kbytes of Flash memory and up to 16 Kbytes of RAM. It also features an integrated LCD controller, real-time clock, and various communication interfaces including USB, USART, SPI, and I2C.
Key Specifications
| Specification | Details |
|---|---|
| Core | ARM Cortex-M3 32-bit CPU |
| Operating Frequency | Up to 32 MHz |
| Power Supply | 1.8 V to 3.6 V |
| Temperature Range | -40°C to +85°C |
| Flash Memory | Up to 128 Kbytes |
| RAM | Up to 16 Kbytes |
| EEPROM | Up to 2 Kbytes with ECC |
| Backup Register | 20 bytes |
| ADC | 12-bit, up to 24 channels |
| DAC | 12-bit, 2 channels with output buffers |
| Comparators | 2 ultra-low-power comparators |
| Timers | 6 general-purpose 16-bit timers, 2 basic timers, 2 watchdog timers |
| Communication Interfaces | USB 2.0, 3 USARTs, 2 SPIs, 2 I2Cs |
| LCD Controller | Supports up to 8 multiplexed LCDs |
| Package | UFQFPN 48 7x7x0.55 mm |
Key Features
- Ultra-low-power platform with various power-saving modes (Standby, Stop, Low-power Run)
- High-performance ARM Cortex-M3 32-bit CPU with up to 32 MHz frequency
- Integrated LCD controller with built-in LCD voltage generator
- Rich analog peripherals including 12-bit ADC, 12-bit DAC, and ultra-low-power comparators
- Extensive range of communication interfaces: USB 2.0, USART, SPI, I2C
- Real-time clock with sub-second counting and backup registers
- Memory protection unit (MPU) and reset and supply management
- Ultra-safe, low-power BOR (brownout reset) with 5 selectable thresholds
- Up to 51 fast I/Os (42 I/Os 5V tolerant), all mappable on 16 external interrupt vectors
Applications
The STM32L100C6U6A is suitable for a wide range of low-power applications, including:
- Industrial automation and control systems
- Medical devices requiring low power consumption
- Consumer electronics such as smart home devices and wearables
- Automotive systems where low power and high performance are critical
- IoT devices that need efficient power management
Q & A
- What is the core architecture of the STM32L100C6U6A?
The core architecture is based on the ARM Cortex-M3 32-bit RISC CPU.
- What is the operating frequency of the STM32L100C6U6A?
The operating frequency is up to 32 MHz.
- What is the power supply range for the STM32L100C6U6A?
The power supply range is from 1.8 V to 3.6 V.
- What are the key power-saving modes available on the STM32L100C6U6A?
The key power-saving modes include Standby, Stop, and Low-power Run modes.
- Does the STM32L100C6U6A support LCD displays?
Yes, it supports up to 8 multiplexed LCDs with a built-in LCD voltage generator.
- What communication interfaces are available on the STM32L100C6U6A?
The available interfaces include USB 2.0, 3 USARTs, 2 SPIs, and 2 I2Cs.
- What is the temperature range for the STM32L100C6U6A?
The temperature range is from -40°C to +85°C.
- How much Flash and RAM memory does the STM32L100C6U6A have?
It has up to 128 Kbytes of Flash memory and up to 16 Kbytes of RAM.
- Does the STM32L100C6U6A have any backup registers?
Yes, it has 20-byte backup registers that remain powered in Standby mode.
- What are some typical applications for the STM32L100C6U6A?
Typical applications include industrial automation, medical devices, consumer electronics, automotive systems, and IoT devices.
