Overview
The TL16C554AFNR is a quad universal asynchronous receiver/transmitter (UART) integrated circuit produced by Texas Instruments. Designed for high-performance serial communication applications, this product is ideal for embedded systems, industrial automation, and networking equipment. Its market positioning targets engineers and developers seeking reliable, multi-channel serial communication solutions. The TL16C554AFNR stands out for its robust feature set, including four independent UART channels, advanced FIFO buffers, and compatibility with a wide range of baud rates, making it a competitive choice in its category.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Number of Channels | 4 | - | Independent UART channels |
| Data Rate | Up to 1.5 Mbps | bps | Programmable baud rate |
| FIFO Buffer | 16 bytes per channel | bytes | Reduces CPU overhead |
| Operating Voltage | 5 | V | Standard TTL levels |
| Package Type | PLCC | - | 68-pin package |
| Operating Temperature | -40 to 85 | °C | Industrial-grade |
| Interface | Parallel | - | Compatible with microcontrollers |
| Features | Modem control signals, Autoflow control | - | Enhanced communication reliability |
Key Features
- Quad UART Channels: Supports four independent serial communication channels, enabling multi-device connectivity.
- Advanced FIFO Buffers: Each channel includes a 16-byte FIFO buffer, reducing CPU interrupt overhead and improving system efficiency.
- High Data Rate: Capable of handling data rates up to 1.5 Mbps, suitable for high-speed communication applications.
- Modem Control Signals: Includes RTS, CTS, DSR, DTR, DCD, and RI signals for robust modem communication.
- Autoflow Control: Automatically manages data flow to prevent buffer overflow, ensuring reliable communication.
Applications
The TL16C554AFNR is widely used in various industries due to its versatile features. In industrial automation, it facilitates communication between controllers and peripheral devices. In networking equipment, it enables multi-channel serial communication for routers and switches. Additionally, it is employed in embedded systems for interfacing with sensors, displays, and other serial devices. Its robust design and high performance make it suitable for applications requiring reliable and efficient serial communication.
Q & A
1. What is the maximum data rate supported by the TL16C554AFNR?
The TL16C554AFNR supports data rates up to 1.5 Mbps.
2. How many UART channels does the TL16C554AFNR have?
It features four independent UART channels.
3. What is the size of the FIFO buffer per channel?
Each channel has a 16-byte FIFO buffer.
4. What is the operating voltage of the TL16C554AFNR?
It operates at 5V, compatible with standard TTL levels.
5. What package type does the TL16C554AFNR use?
It is available in a 68-pin PLCC package.
6. Is the TL16C554AFNR suitable for industrial applications?
Yes, it has an operating temperature range of -40°C to 85°C, making it ideal for industrial use.
7. Does the TL16C554AFNR support modem control signals?
Yes, it includes RTS, CTS, DSR, DTR, DCD, and RI signals for modem communication.
8. What is the benefit of the autoflow control feature?
Autoflow control prevents buffer overflow by managing data flow automatically, ensuring reliable communication.
9. Can the TL16C554AFNR interface with microcontrollers?
Yes, it uses a parallel interface compatible with microcontrollers.
10. What are the typical applications of the TL16C554AFNR?
It is used in industrial automation, networking equipment, and embedded systems for serial communication.
