ATTINY45-15ST

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The ATTINY45-15ST is a high miniaturized AVR 8-bit microcontroller for low power consumption applications. It was developed by Atmel, a world-leading company in the design, manufacture, and marketing of semiconductor technologies. The microcontroller is designed for low cost, compact size and low power consumption, making it suitable for a wide range of embedded system applications. This article will discuss the application field and working principle of the ATTINY45-15ST.

The ATTINY45-15ST is a 8-bit microcontroller with 2K bytes of Flash memory and 128 bytes of Internal SRAM. It has an advanced 8-bit core with 5 cycle multiply factor,a wide range of features and peripherals including USI module, USART module, SPI module, Timer/Counter module, External Memory Interface (EMI) module, and up to 128 I/O pins. This enables it to be used in a variety of applications, including: low cost automation and control, automotive, embedded systems, household applications, industrial, and medical, among others.

The ATtiny45-15ST has five different sleep modes. The Idle mode stops the CPU clock while the other peripherals are still active. The Power Down mode is a low-power sleep mode that turns off the CPU and all peripherals except the RTC (Real-Time Clock). The Power Save mode is similar to Idle mode but with reduced peripheral reduced power consumption. The ADC mode powers down the CPU, all peripherals, and the analog-to-digital converter (ADC). Finally, there is the Standby mode which is the lowest power consumption mode; in this mode, only a small amount of power is needed to keep the real-time clock running. This allows the microcontroller to remain in a low power state while still waking up quickly.

The ATTINY45-15ST features multiple buses, allowing the microcontroller to access both internal and external memory. The Memory Protection Unit (MPU) adds additional security features, protecting the code stored in the Flash memory. This helps protect the microcontroller from malicious code injection. The ATTINY45-15ST also features a range of analog and digital peripherals, allowing developers to work with both analog and digital applications.

To further optimize power management, the ATTINY45-15ST has a built-in voltage regulator. This allows developers to easily optimize the power consumption, ensuring the most efficient operation at any given voltage level. The microcontroller also supports Brown-out detection and reset, helping to protect against unexpected power loss.

The ATTINY45-15ST operates at a maximum clock frequency of 20 MHz and is capable of supporting a wide range of applications, from low power to higher performance projects. By supporting a wide range of peripherals and communication protocols, the ATTINY45-15ST can easily be used in various embedded system applications.

In summary, the ATTINY45-15ST is an excellent choice for embedded systems and low-power applications. It has a low cost, compact size and minimal power consumption, and offers a wide range of features and peripherals, making it suitable for a variety of applications. It has multiple sleep modes and a built-in voltage regulator, allowing developers to easily optimize the power management. Furthermore, the ATTINY45-15ST features a range of analog and digital peripherals, as well as communication protocols, making it suitable for various embedded system applications.

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