Overview
The TL16C554PN is an enhanced quadruple version of the TL16C550 asynchronous communications element (ACE) produced by Texas Instruments. This integrated circuit is designed to handle serial-to-parallel and parallel-to-serial conversions for data characters, making it a crucial component in various communication systems. The TL16C554PN is part of the TL16C554 series, which includes multiple packaging options, but the PN version specifically comes in an 80-pin Low-Profile Quad Flat Package (LQFP).
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | LQFP (PN) | - |
| Pins | 80 | - |
| Operating Temperature Range | 0 to 70 | °C |
| Number of Channels | 4 | - |
| FIFO Size | 16 bytes | - |
| Maximum Data Rate | 1 Mbps | - |
| Supply Voltage | 4.75 V to 5.25 V | V |
| False Start Bit Detection | Yes | - |
| Modem Control | Yes | - |
| Clock Frequency | Up to 16 MHz | - |
Key Features
- Integrated Asynchronous Communications Element (ACE) with four improved TL16C550 ACEs plus steering logic.
- In FIFO mode, each transmitter and receiver is buffered with a 16-byte FIFO to reduce CPU interrupts.
- Programmable baud rate generators allowing division of any input reference clock by 1 to (2^16 - 1).
- Support for 5-, 6-, 7-, or 8-bit characters, even-, odd-, or no-parity bit, and 1-, 1 1/2-, or 2-stop bit generation.
- False start bit detection, line break generation and detection, and internal diagnostic capabilities including loopback controls and error simulation.
- Modem control functions (CTS, RTS, DSR, DTR, RI, and DCD).
- 3-State outputs providing TTL drive capabilities for bidirectional data bus and control bus.
- Selectable autoflow control feature to reduce software overhead and increase system efficiency.
Applications
The TL16C554PN is suitable for a variety of applications that require robust and efficient serial communication. These include:
- Embedded systems requiring multiple serial interfaces.
- Industrial control systems that need reliable communication between devices.
- Telecommunication equipment where high-speed data transfer is necessary.
- Automotive systems that require multiple serial communication channels.
- Medical devices that need precise and reliable data communication.
Q & A
- What is the TL16C554PN?
The TL16C554PN is a quadruple UART (Universal Asynchronous Receiver Transmitter) integrated circuit with 16-byte FIFOs, produced by Texas Instruments.
- What package type does the TL16C554PN come in?
The TL16C554PN comes in an 80-pin Low-Profile Quad Flat Package (LQFP).
- What is the maximum data rate supported by the TL16C554PN?
The TL16C554PN supports a maximum data rate of 1 Mbps.
- Does the TL16C554PN support modem control functions?
Yes, the TL16C554PN supports modem control functions including CTS, RTS, DSR, DTR, RI, and DCD.
- What is the operating temperature range of the TL16C554PN?
The operating temperature range of the TL16C554PN is from 0°C to 70°C.
- How many channels does the TL16C554PN have?
The TL16C554PN has four channels.
- What is the FIFO size of each channel in the TL16C554PN?
Each channel in the TL16C554PN has a 16-byte FIFO.
- Does the TL16C554PN support false start bit detection?
Yes, the TL16C554PN supports false start bit detection.
- What is the clock frequency range for the TL16C554PN?
The TL16C554PN can operate with a clock frequency up to 16 MHz.
- What are some common applications of the TL16C554PN?
The TL16C554PN is commonly used in embedded systems, industrial control systems, telecommunication equipment, automotive systems, and medical devices.
