The ST16C450IP40 is a single-channel Universal Asynchronous Receiver/Transmitter (UART) manufactured by Exar Corporation. This device is designed to provide asynchronous serial communication capabilities to embedded systems and computer peripherals.

Applications:

• Serial communication: Provides UART interface for data transmission and reception.
• Embedded systems: Integrates into microcontrollers and microprocessors for serial communication.
• Computer peripherals: Used in modems, printers, and other serial devices.
• Industrial automation: Serial communication interface for industrial equipment.

Features:

• Single-channel UART: Supports one serial communication channel.
• Programmable baud rate generator: Allows for flexible baud rate selection.
• 16-byte FIFO: Provides buffering for transmit and receive data.
• Interrupt generation: Generates interrupts for various UART events.
• Modem control signals: Supports modem handshaking.

Benefits:

• Flexible communication: Supports a wide range of baud rates and data formats.
• Improved data throughput: FIFO buffers improve data transfer efficiency.
• Simplified system design: Reduces the load on the host processor.
• Enhanced reliability: Provides robust serial communication capabilities.

Specifications:

The ST16C450IP40 operates from a single 5V power supply. It supports baud rates up to 1.5 Mbps. The device features a 16-byte FIFO buffer for both transmit and receive data. It generates interrupts for transmit buffer empty, receive data available, and error conditions. It includes modem control signals such as RTS, CTS, DSR, DTR, and RI. The device is typically available in a 40-pin DIP package.

The ST16C450IP40 is a versatile UART suitable for a wide range of serial communication applications. Its programmable baud rate generator, FIFO buffers, and interrupt generation capabilities make it a valuable component for embedded systems and computer peripherals.