ST16C450CP40-F

Product Overview

Category

The ST16C450CP40-F belongs to the category of integrated circuits (ICs) specifically designed for serial communication applications.

Use

This product is commonly used in various electronic devices that require reliable and efficient serial communication, such as computer peripherals, industrial automation systems, and telecommunications equipment.

Characteristics

• High-speed data transfer: The ST16C450CP40-F supports baud rates up to 1.5 Mbps, enabling fast and efficient data transmission.
• Versatile functionality: It offers a wide range of features including UART (Universal Asynchronous Receiver/Transmitter), FIFO (First-In-First-Out) buffers, and interrupt capabilities.
• Low power consumption: The IC is designed to minimize power consumption, making it suitable for battery-powered devices.
• Robust design: It incorporates built-in protection mechanisms to ensure reliable operation even in harsh environments.

Package

The ST16C450CP40-F is available in a compact 40-pin plastic dual in-line package (PDIP), which facilitates easy integration into circuit boards.

Essence

As a high-performance UART IC, the ST16C450CP40-F serves as a crucial component in enabling seamless serial communication between different electronic devices.

Packaging/Quantity

This product is typically supplied in reels or tubes, with each reel or tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Supply voltage: 3.3V
• Operating temperature range: -40°C to +85°C
• Data format: 8-bit
• Parity: None, Even, Odd
• Stop bits: 1 or 2
• FIFO buffer size: 16 bytes
• Supported protocols: RS-232, RS-485, RS-422

Detailed Pin Configuration

The ST16C450CP40-F features a total of 40 pins, each serving a specific purpose. The pin configuration is as follows:

1. VCC - Power supply voltage
2. GND - Ground
3. TXD - Transmitter data output
4. RXD - Receiver data input
5. RTS - Request to send
6. CTS - Clear to send
7. DSR - Data set ready
8. DTR - Data terminal ready
9. RI - Ring indicator
10. CD - Carrier detect
11. INT - Interrupt output 12-19. A0-A7 - Address inputs 20-27. D0-D7 - Data bus
12. WR - Write enable
13. RD - Read enable
14. RESET - Reset input
15. CLK - Clock input
16. OUT1 - General-purpose output 1
17. OUT2 - General-purpose output 2
18. MODEM - Modem control
19. SLEEP - Sleep mode control
20. TEST - Test mode control
21. OSC1 - Oscillator input
22. OSC2 - Oscillator output
23. NC - No connection
24. NC - No connection

Functional Features

The ST16C450CP40-F offers several functional features that enhance its performance and usability:

1. UART Functionality: It provides full-duplex asynchronous serial communication capabilities, allowing simultaneous transmission and reception of data.
2. FIFO Buffers: The integrated FIFO buffers help in reducing CPU overhead by storing incoming and outgoing data, ensuring smooth and efficient data flow.
3. Interrupt Capabilities: The IC supports interrupt-driven communication, enabling the processor to handle other tasks while waiting for data transfer or events.
4. Modem Control: It includes modem control signals (RTS, CTS, DSR, DTR, RI, CD) for interfacing with external modems or other devices.
5. Sleep Mode: The sleep mode feature allows the IC to enter a low-power state when not actively transmitting or receiving data, conserving energy.

Advantages and Disadvantages

Advantages

• High-speed data transfer capability enables fast communication between devices.
• Versatile functionality supports various serial communication protocols.
• Low power consumption makes it suitable for battery-powered applications.
• Robust design ensures reliable operation in challenging environments.
• Integrated FIFO buffers reduce CPU overhead and enhance data flow efficiency.

Disadvantages

• Limited availability of alternative models from different manufacturers.
• Relatively higher cost compared to some other UART ICs on the market.

Working Principles

The ST16C450CP40-F operates based on the principles of UART communication. It receives parallel data from the system bus, converts it into serial format, and transmits it over the communication line. Similarly, it receives serial data, converts it back to parallel format, and transfers it to the system bus. The integrated FIFO buffers help in managing data flow and minimizing data loss during transmission.

Detailed Application Field Plans

The ST