Overview
The STM8L152R8T6 is an ultra-low-power 8-bit microcontroller from STMicroelectronics, part of the STM8L15xx6/8 family. This device features an enhanced STM8 CPU core, providing increased processing power of up to 16 MIPS at 16 MHz, while maintaining the advantages of a CISC architecture. It includes a 24-bit linear addressing space and an optimized architecture for low-power operations. The microcontroller is designed for applications requiring high performance and low power consumption, making it suitable for a wide range of industrial, automotive, and consumer electronics.
Key Specifications
| Parameter | Specification |
|---|---|
| Operating Power Supply | 1.65 to 3.6 V (without BOR), 1.8 to 3.6 V (with BOR) |
| Operating Temperature Range | -40 to 85, 105 or 125 °C |
| Flash Memory | Up to 64 Kbytes |
| Data EEPROM | Up to 2 Kbytes with ECC and RWW |
| RAM | Up to 4 Kbytes |
| Maximum Frequency | 16 MHz, 16 CISC MIPS peak |
| Low-Power Modes | Wait, Low-power run (5.9 μA), Low-power wait (3 μA), Active-halt with full RTC (1.4 μA), Halt (400 nA) |
| Power Consumption | 200 μA/MHz + 330 μA |
| Wake-Up Time from Halt Mode | 4.7 μs |
| I/O Leakage | 50 nA |
| Peripherals | 12-bit ADC, 2x12-bit DAC, 2 comparators, real-time clock, 4x16-bit timers, 1x8-bit timer, SPI, I2C, USARTs |
| Package | LQFP 64 10x10x1.4 mm |
Key Features
- Advanced STM8 Core: Harvard architecture and 3-stage pipeline, up to 16 MIPS at 16 MHz.
- Low-Power Features: Five low-power modes, fast wake-up from Halt mode, ultra-low I/O leakage.
- Peripherals: 12-bit ADC, two 12-bit DACs, two comparators, real-time clock, four 16-bit timers, one 8-bit timer, SPI, I2C, and three USARTs.
- Memory: Up to 64 Kbytes of Flash memory, up to 2 Kbytes of data EEPROM, and up to 4 Kbytes of RAM.
- Communication Interfaces: Two SPIs, fast I2C (400 kHz), and three USARTs (including ISO 7816 and IrDA interfaces).
- Capacitive Sensing: Up to 16 capacitive sensing channels supporting touchkey, proximity, linear touch, and rotary touch sensors.
- Debugging and Programming: Non-intrusive debugging with SWIM, bootloader using USART, and fast on-chip programming.
- LCD Support: 8x40 or 4x44 segment LCD with step-up converter.
- Unique ID: 96-bit unique ID.
Applications
The STM8L152R8T6 microcontroller is suitable for a variety of applications due to its high performance, low power consumption, and extensive peripheral set. Some of the key application areas include:
- Industrial Automation: Control systems, sensors, and actuators.
- Automotive Systems: Dashboard controls, body electronics, and safety systems.
- Consumer Electronics: Home appliances, remote controls, and gaming devices.
- Medical Devices: Portable medical equipment and diagnostic tools.
- IoT Devices: Smart home devices, wearables, and other connected devices requiring low power and high performance.
Q & A
- What is the maximum operating frequency of the STM8L152R8T6 microcontroller?
The maximum operating frequency is 16 MHz, providing up to 16 CISC MIPS peak performance.
- What are the low-power modes available in the STM8L152R8T6?
The device features five low-power modes: Wait, Low-power run (5.9 μA), Low-power wait (3 μA), Active-halt with full RTC (1.4 μA), and Halt (400 nA).
- What types of communication interfaces are available on the STM8L152R8T6?
The microcontroller includes two SPIs, fast I2C (400 kHz), and three USARTs (including ISO 7816 and IrDA interfaces).
- Does the STM8L152R8T6 support capacitive sensing?
Yes, it supports up to 16 capacitive sensing channels for touchkey, proximity, linear touch, and rotary touch sensors.
- What is the memory configuration of the STM8L152R8T6?
The device has up to 64 Kbytes of Flash memory, up to 2 Kbytes of data EEPROM, and up to 4 Kbytes of RAM.
- How does the STM8L152R8T6 support debugging and programming?
It supports non-intrusive debugging with SWIM, bootloader using USART, and fast on-chip programming.
- What is the operating temperature range of the STM8L152R8T6?
The operating temperature range is -40 to 85, 105 or 125 °C.
- Does the STM8L152R8T6 have a unique identifier?
Yes, it has a 96-bit unique ID.
- What types of timers are available on the STM8L152R8T6?
The device includes four 16-bit timers, one 16-bit advanced control timer, and one 8-bit timer.
- Is the STM8L152R8T6 suitable for LCD applications?
Yes, it supports an 8x40 or 4x44 segment LCD with a step-up converter.
