TL16C554APNR

Product Overview

Category: Integrated Circuit (IC)

Use: The TL16C554APNR 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 TL16C554APNR consists of four independent UART channels, allowing simultaneous communication with multiple devices. - High-Speed Data Transfer: It supports data transfer rates up to 1.5 Mbps, enabling fast and efficient communication. - FIFO Buffers: Each UART channel includes a First-In-First-Out (FIFO) buffer, which helps in managing data flow and reducing the load on the microcontroller. - Programmable Features: The TL16C554APNR offers programmable features such as baud rate, parity, and stop bits, providing flexibility in configuring the communication parameters. - Low Power Consumption: It is designed to operate at low power levels, making it suitable for battery-powered devices. - Small Package: The TL16C554APNR comes in a compact package, saving space on the printed circuit board (PCB).

Package/Quantity: The TL16C554APNR is available in a 64-pin plastic quad flat package (PQFP). It is typically sold in reels or trays containing multiple units.

Specifications

• Supply Voltage: 3.3V
• Operating Temperature Range: -40°C to +85°C
• Data Transfer Rate: Up to 1.5 Mbps
• Number of Channels: 4
• FIFO Buffer Size: 16 bytes per channel
• Interface: UART (Universal Asynchronous Receiver/Transmitter)
• Package Type: PQFP-64

Pin Configuration

The TL16C554APNR has a total of 64 pins. Here is the pin configuration for each channel:

| Pin Number | Name | Description | |------------|------|-------------| | 1-4 | AIN0-AIN3 | Analog Input Channels (not used in UART functionality) | | 5-8 | GND | Ground | | 9-12 | VCC | Power Supply (3.3V) | | 13-16 | CTS0-CTS3 | Clear To Send (input) | | 17-20 | RTS0-RTS3 | Request To Send (output) | | 21-24 | RXD0-RXD3 | Receive Data (input) | | 25-28 | TXD0-TXD3 | Transmit Data (output) | | 29-32 | DSR0-DSR3 | Data Set Ready (input) | | 33-36 | DTR0-DTR3 | Data Terminal Ready (output) | | 37-40 | RI0-RI3 | Ring Indicator (input) | | 41-44 | OUT1-OUT4 | Output Enable (output) | | 45-48 | SOUT1-SOUT4 | Serial Output (output) | | 49-52 | SIN1-SIN4 | Serial Input (input) | | 53-56 | INT1-INT4 | Interrupt Output (output) | | 57-60 | XTL1-XTL4 | Crystal Oscillator Connections | | 61-64 | NC | No Connection |

Functional Features

The TL16C554APNR offers the following functional features:

1. UART Communication: It provides four independent UART channels for serial communication.
2. FIFO Buffers: Each channel includes a 16-byte FIFO buffer to manage data flow efficiently.
3. Programmable Parameters: The TL16C554APNR allows configuration of baud rate, parity, stop bits, and other communication parameters.
4. Interrupt Support: It supports interrupt-driven communication, allowing the microcontroller to handle data asynchronously.
5. Auto Flow Control: The integrated UART channels support automatic flow control using Clear To Send (CTS) and Request To Send (RTS) signals.

Advantages and Disadvantages

Advantages: - Multiple Channels: The TL16C554APNR provides four UART channels, enabling simultaneous communication with multiple devices. - High-Speed Data Transfer: It supports fast data transfer rates up to 1.5 Mbps. - Programmability: The device offers flexibility in configuring various communication parameters. - FIFO Buffers: The built-in FIFO buffers help manage data flow efficiently. - Low Power Consumption: It operates at low power levels, making it suitable for battery-powered applications.

Disadvantages: - Limited Analog Input Channels: The TL16C554APNR has analog input channels that are not used in UART functionality, limiting their usefulness in certain applications. - Package Size: The PQFP