TL16C552APN

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The TL16C552APN is an integrated chip that provides two independent Universal Asynchronous Receiver Transmitter (UART) channels, commonly referred to as a USART or serial port. It was manufactured by Atmel, a subsidiary of Microchip Technology Inc. The TL16C552APN is part of a family of chips that provide USART capabilities with extension options such as infrared, synchronous and enhanced buffering.

The TL16C552APN is a standard UART, with an 8-bit parallel bus for both transmit and receive data, a control and status register, and an 8-bit address bus for addressing the internal registers. It includes two ISA (Industry Standard Architecture) compatible ports, two serial ports, two Buffering and Demodulator (BdM) circuits, and an advanced Control Interrupt structure. Each serial port supports 19200 baud, half-duplex communications over a single channel, or asynchronous full-duplex over two channels. The BdM circuits provide full-duplex handshaking, half-duplex buffering, and both serial and parallel bus data quality testing.

The TL16C552APN has a number of useful applications. It can be used to connect computers to modems, and to other computer peripherals. It is widely used in embedded and automotive applications, including in-vehicle diagnostics systems, data collection systems, and other control and monitoring systems. In industrial applications, it is often used to control programmable logic controllers (PLCs), motor driven devices, and production line systems. The compact size, ease of use, and excellent signal integrity of the TL16C552APN make it an attractive solution for applications that require reliable, high speed communication.

The TL16C552APN operates through a system of registers. These registers provide the control and status information necessary to configure and control each of the USART’s operations. The first set of registers are the USART Control and Status Registers (UCSR0A, UCSR0B, UCSR0C). These registers provide the ability to configure each USART channel according to the desired protocol and baud rate. The next set of registers are the USART Data Registers (UDRE0, UDR0). They facilitate the flow of transmit and receive data between the two endpoints of a link. Finally, there is the USART BdM Data Register (UDRB0) which is used for buffering data and for performing advanced data quality testing.

The TL16C552APN is an economical and powerful universal asynchronous receiver transmitter that is well suited for a variety of applications. Its small size and low power requirements make it an ideal choice for applications that require reliable, high speed data transfer over a single channel or two. Its registers provide a great deal of control over the operation of the USART, allowing it to be configured according to the needs of a particular application. The excellent signal integrity of the TL16C552APN makes it ideal for applications that require high speed, reliable communications.

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