STM8L152R8T6
Ultra-low-power 8-bit microcontrollers with 64KB flash memory
Manufacturer： stm
series introduction
# Introduction to the STM8L152R8T6 Product Series
## 1. Overview
The STM8L152R8T6 is a member of STMicroelectronics' STM8L series of microcontrollers. These microcontrollers are designed to offer a high - performance, low - power solution for a wide range of embedded applications. The STM8L152R8T6 combines advanced features with an efficient architecture, making it suitable for battery - powered devices, industrial control systems, and consumer electronics.
## 2. Key Features
### 2.1 Core and Architecture
- **8 - bit Core**: The STM8L152R8T6 is based on the STM8 8 - bit core. This core provides a good balance between performance and simplicity, allowing for easy development and programming. It has a rich set of instructions that enable efficient execution of various tasks, such as data processing, control algorithms, and communication protocols.
- **Harvard Architecture**: The use of a Harvard architecture separates the program memory and data memory buses. This allows for simultaneous access to instructions and data, improving the overall performance of the microcontroller. It enables faster execution of code and better utilization of system resources.
### 2.2 Memory
- **Flash Memory**: It is equipped with 64 KB of in - system programmable Flash memory. This non - volatile memory is used to store the program code of the application. The Flash memory can be easily reprogrammed, which is useful for development, debugging, and field updates.
- **RAM**: The microcontroller has 8 KB of Random Access Memory (RAM). The RAM is used for storing variables, intermediate results, and data buffers during the execution of the program. Sufficient RAM ensures smooth operation of the application, especially when dealing with large amounts of data or complex algorithms.
- **EEPROM**: There is also 2 KB of Electrically Erasable Programmable Read - Only Memory (EEPROM). EEPROM is used for storing non - volatile data that needs to be retained even when the power is turned off, such as calibration data, configuration settings, and user preferences.
### 2.3 Low - Power Modes
- **Multiple Low - Power Modes**: The STM8L152R8T6 offers several low - power modes, including Active - halt, Halt, and Standby modes. In Active - halt mode, the CPU is stopped, but the peripherals can still be active, allowing for power savings while maintaining some functionality. Halt mode stops the CPU and most peripherals, reducing power consumption significantly. Standby mode is the lowest - power mode, where only the real - time clock and wake - up sources are active, consuming minimal power.
- **Power - Saving Features**: It has features like a low - power regulator, which can adjust the supply voltage according to the operating conditions. This helps in reducing power consumption further, especially in battery - powered applications. Additionally, the microcontroller has a power - on reset and brown - out detection circuit to ensure reliable operation during power fluctuations.
### 2.4 Peripherals
#### 2.4.1 Timers
- **General - Purpose Timers**: The STM8L152R8T6 has multiple general - purpose timers. These timers can be used for a variety of applications, such as generating PWM (Pulse Width Modulation) signals for motor control, measuring time intervals, and implementing delay functions.
- **Real - Time Clock (RTC)**: It includes a real - time clock that can keep track of time even when the microcontroller is in low - power modes. The RTC can be used for applications that require accurate timekeeping, such as data logging, scheduling tasks, and alarm functions.
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Images for reference
64-LQFP
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