TL16C554PN

Product Overview

Category: Integrated Circuit (IC)

Use: The TL16C554PN is a quad universal asynchronous receiver/transmitter (UART) integrated circuit. It is commonly used for serial communication in various electronic devices.

Characteristics: - Quad UART: The TL16C554PN consists of four independent UART channels, allowing simultaneous communication with multiple devices. - High Speed: It supports baud rates up to 1.5 Mbps, enabling fast and efficient data transfer. - Versatile: This IC can be used in a wide range of applications, including computer peripherals, industrial automation, telecommunications, and more. - Low Power Consumption: The TL16C554PN is designed to minimize power consumption, making it suitable for battery-powered devices. - Robust Design: It features built-in protection against electrostatic discharge (ESD) and other potential hazards, ensuring reliable operation.

Package: The TL16C554PN is available in a 64-pin plastic quad flat package (PQFP), which provides easy integration into circuit boards.

Essence: The TL16C554PN is an essential component for establishing reliable serial communication between electronic devices.

Packaging/Quantity: The TL16C554PN is typically sold in reels containing a quantity of 250 units.

Specifications

• Supply Voltage: 3.3V
• Operating Temperature Range: -40°C to +85°C
• Data Format: 8-bit
• Parity: None, Even, Odd, or Mark/Space
• Stop Bits: 1, 1.5, or 2
• FIFO Buffer Size: 16 bytes per channel
• Interrupts: Programmable interrupt control for each channel
• Compatibility: Fully compatible with industry-standard UART protocols

Detailed Pin Configuration

The TL16C554PN has a total of 64 pins, which are assigned to various functions. Here is a brief overview of the pin configuration:

• Pins 1-4: UART Channel 1 (TXD1, RXD1, RTS1, CTS1)
• Pins 5-8: UART Channel 2 (TXD2, RXD2, RTS2, CTS2)
• Pins 9-12: UART Channel 3 (TXD3, RXD3, RTS3, CTS3)
• Pins 13-16: UART Channel 4 (TXD4, RXD4, RTS4, CTS4)
• Pins 17-20: Ground (GND)
• Pins 21-28: Control and Status Signals
• Pins 29-36: Interrupt Request (IRQ) Signals
• Pins 37-40: Power Supply (VCC)
• Pins 41-44: UART Channel 1 Modem Control Signals
• Pins 45-48: UART Channel 2 Modem Control Signals
• Pins 49-52: UART Channel 3 Modem Control Signals
• Pins 53-56: UART Channel 4 Modem Control Signals
• Pins 57-64: Not Connected (NC)

For a detailed pinout diagram, please refer to the TL16C554PN datasheet.

Functional Features

The TL16C554PN offers several functional features that enhance its performance and usability:

1. Quad UART: With four independent UART channels, it allows simultaneous communication with multiple devices, reducing the need for additional ICs.
2. FIFO Buffer: Each channel is equipped with a 16-byte FIFO buffer, minimizing data loss and improving overall efficiency.
3. Programmable Interrupts: The IC supports programmable interrupt control for each channel, enabling efficient handling of incoming data.
4. Modem Control Signals: It provides modem control signals for each channel, allowing easy integration with external modems or other communication devices.
5. Auto Flow Control: The TL16C554PN supports automatic flow control using RTS/CTS signals, ensuring smooth data transmission between devices.

Advantages and Disadvantages

Advantages: - Multiple Channels: The quad UART design enables simultaneous communication with multiple devices, saving space and cost. - High Speed: Supports fast baud rates, facilitating quick data transfer. - Low Power Consumption: Designed to minimize power usage, making it suitable for battery-powered applications. - Robust Protection: Built-in protection against ESD and other hazards ensures reliable operation in various environments.

Disadvantages: - Limited Buffer Size: The 16-byte FIFO buffer may not be sufficient for applications requiring large data transfers. - Lack of Advanced Features: Some advanced features found in more modern UART ICs may be missing in the TL16C554PN.

Working Principles

The TL16C554PN operates based on the principles of universal asynchronous receiver/transmitter (UART) communication. It converts parallel data into serial format for transmission and vice versa.