Overview
The STM32L100RBT6 is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L1 series. It is based on the 32-bit ARM® Cortex®-M3 CPU, operating at a frequency of up to 32 MHz. This device is designed for low-power applications, offering a wide range of power-saving modes and a comprehensive set of peripherals. The STM32L100RBT6 is suitable for various applications requiring high performance and low energy consumption, such as IoT devices, industrial control systems, and medical equipment.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | 32-bit ARM® Cortex®-M3 CPU |
| Frequency Range | 32 kHz 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 with ECC |
| RAM | Up to 10 Kbytes |
| EEPROM | Up to 2 Kbytes with ECC |
| Backup Register | 20 bytes |
| ADC | 12-bit, 1 Msps, up to 20 channels |
| DAC | 12-bit, 2 channels with output buffers |
| Comparators | 2 ultra-low-power comparators |
| Timers | Six 16-bit timers, two 16-bit basic timers, two watchdog timers |
| Communication Interfaces | One USB 2.0, three USARTs, two SPIs, two I2Cs |
| Package | LQFP 64 10x10x1.4 mm |
| Power Modes | Standby, Stop, Low-power run, Run mode |
| Current Consumption | 0.3 µA (Standby), 0.9 µA (Standby + RTC), 214 µA/MHz (Run mode) |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, Low-power run, Run mode)
- 32-bit ARM® Cortex®-M3 CPU with up to 32 MHz frequency
- High-speed embedded memories: up to 128 Kbytes of Flash, up to 10 Kbytes of RAM, and up to 2 Kbytes of true EEPROM
- Analog peripherals: 12-bit ADC, 12-bit DAC, and two ultra-low-power comparators
- Extensive range of communication interfaces: USB 2.0, three USARTs, two SPIs, and two I2Cs
- Integrated LCD controller for up to 8x28 segments
- Seven DMA controller channels and CRC calculation unit
- Ultra-safe, low-power BOR (brownout reset) and programmable voltage detector (PVD)
- Serial wire debug and JTAG supported for development
Applications
- Internet of Things (IoT) devices
- Industrial control systems
- Medical equipment
- Consumer electronics requiring low power consumption
- Automotive systems
- Smart home devices
Q & A
- What is the core architecture of the STM32L100RBT6?
The STM32L100RBT6 is based on the 32-bit ARM® Cortex®-M3 CPU.
- What is the operating voltage range of the STM32L100RBT6?
The operating voltage range is from 1.8 V to 3.6 V.
- What are the different power modes available on the STM32L100RBT6?
The device supports Standby, Stop, Low-power run, and Run modes.
- How much current does the STM32L100RBT6 consume in Standby mode?
The current consumption in Standby mode is 0.3 µA (with 2 wakeup pins) and 0.9 µA (with RTC).
- What types of communication interfaces are available on the STM32L100RBT6?
The device includes one USB 2.0, three USARTs, two SPIs, and two I2Cs.
- Does the STM32L100RBT6 support LCD driving?
Yes, it has an integrated LCD controller for up to 8x28 segments.
- What is the maximum frequency of the CPU?
The CPU can operate up to 32 MHz.
- How much Flash memory does the STM32L100RBT6 have?
The device has up to 128 Kbytes of Flash memory with ECC.
- Does the STM32L100RBT6 support debug interfaces?
Yes, it supports serial wire debug and JTAG.
- What is the package type of the STM32L100RBT6?
The package type is LQFP 64 10x10x1.4 mm.
