TL16C452FNG4

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The TL16C452FNG4 is a Universal Asynchronous Receiver Transmitter (UART), referred to interchangeably as a serial communication interface. UARTs are commonly used in embedded systems and are responsible for converting parallel data from the processor into serial data stream that works with peripheral uses such as modems, wireless radios, and infrared devices; and the reverse process.

The TL16C452FNG4 is a communication interface device with 4 independent UARTs that typically works with 8, 16, and 32-bit embedded microprocessors. It features advanced 16C550-type architecture with an industry-standard 16650 UART with a 64-byte receive and transmit FIFO, advanced signal conditioning circuitry consisting of a single +5V supply, and an extended temperature range of -40°C to +85°C.

The primary job of the TL16C452FNG4 is to convert parallel data from a processor into the serial form and back to parallel, allowing it to communicate over such systems as RS232, RS422 and RS485. It uses the architecture of a 128-byte dual-port RAM, which allows data to be read, stored, and written simultaneously.

At the front end, the TL16C452FNG4 features two power supply pins, which are +5V and ground. At the same time, on the I/O side, it offers 8 data pins, four UART transmit and receive ports each, two enable pins for selecting UARTs, and one dedicated port for selecting either two or four UARTs. Additionally, it features four parallel data bus ports on the back side.

In operation, the TL16C452FNG4 is controlled through registers that determine the operation mode of each UART. These registers control the baud rate, the number of data bits (5/6/7/8 bits), the length of the stop bit, the parity bit or bits, as well as the hardware or software flow control. The UART also allows users to specify a character detection special to a stop bit, FIFO depth, or data parity level.

In addition to controlling the mode of the UARTs, the TL16C452FNG4 also allows users to adjust the trigger level. Setting the trigger level to 1 or 2 configures the UART to work with bytes, while setting it to 4 or more configures the UART to work with words (8-16 bits) and with 16-bits at its fullest.

In terms of application fields, the TL16C452FNG4 is ideal for a wide range of embedded systems, logic circuits, devices, or applications such as printers, modems, fax, data acquisition systems, interprocessor communications, and high performance communications. It provides unmatched performance, allowing users to achieve great speeds up to 2.5/5/16.5 Mbps. With its 64-byte FIFO, the TL16C452FNG4 can easily buffer incoming data, making it perfect for data intensive applications.

To summarize, the TL16C452FNG4 is a robust UART with advanced features. It features a 4 independent UARTs, with 16C550 architecture, 64-byte FIFO, and 8/16/32-bit embedded microprocessors for data transfer. Furthermore, the TL16C452FNG4 can be used in a wide range of applications, from printers, modems, and faxes to data acquisition systems and interprocessor communication. With its extended temperature range and integrated signal conditioning circuitry, the TL16C452FNG4 is a powerful and reliable solution for communication applications.

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