ST16C1551IJ28TR-F

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For those who use computers, UARTs (Universal Asynchronous Receiver Transmitter) are fairly familiar. In general, they act as the interface between a processor, microcontroller, or other digital system, and any external peripheral device, such as a terminal, modem, or PC. UARTs are usually characterized by their data rate, range of supporting data formats, and output power. STMicroelectronics has developed an ideal interface solution for low power applications, the ST16C1551IJ28TR-F.

The ST16C1551IJ28TR-F is an ultra-low power UART designed to help engineers save board space and ease of integration into their system design. It has a wide range of supported data formats and a low power consumption of only 0.5 mW. Furthermore, it has an integrated 32 MHz clock for improved performance, allowing it to achieve up to 3.2 Mbps data rate. This UART also features a bidirectional parallel-to-serial converter and integrated FIFOs, making it suitable for applications that require both data transfer and data buffering.

When it comes to its application field, the ST16C1551IJ28TR-F is ideal for low-power applications such as wearable electronics, medical and automotive applications, energy metering systems, and industrial/consumer goods. In particular, the device is well-suited for low-latencyinterfaces, such as in remote controls, automotive applications, and industrial automation systems. Additionally, the ST16C1551IJ15TR-F can be integrated with various communication protocols, including RS-232, USB, and I2C. This TIdesign also supports 8-bit and 16-bit data formats, making it incredibly versatile.

The ST16C1551IJ28TR-F also has the basic features found in the STM16xxx UART family. It comes with a configurable output buffer and an integrated watchdog timer for enhanced system reliability. An automatic flow control feature equipped with an RTS/CTS line can be used as an optional technique to reduce latency in transmit and receive operations. The device also contains 8-bit FIFO and support for automatic receive and transmit data handling. This is advantageous for any system that requires efficient data transfer between the processor, microcontroller or other digital system and the UART.

The working principle of the ST16C1551IJ28TR-F is relatively simple. Data is transmitted and received using a serial stream. The UART transmits data via two signal lines, namely, the transmit line and receive line. The transmit line carries the serial data that has been encoded with a protocol and a specific bit order. The receive line, in turn, carries data that is formatted appropriately to a specific protocol and in a specific bit order. Upon initializing the UART with these parameters, the transceiver takes the serialized data from either the transmit line or the receive line and formats it into usable data.

In order for the UART to transfer data, the processor or microcontroller provides the UART with a data packet and the desired protocol. The UART then transmits this data to the receive line and awaits acknowledgement from the connected device. Once the acknowledgement is received, the data packet is transferred to the connected device in the proper protocol and bit order. If the connected device is able to receive the data, it sends an acknowledgement back to the UART. If the UART receives the acknowledgement, it sends the next data packet.

In this way, the ST16C1551IJ28TR-F provides an efficient way to transfer data between two devices. Its integrated features, wide supported data formats, and low power consumption make it an ideal solution for low power applications. As such, the ST16C1551IJ28TR-F can be a valuable addition to any digital system.

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