Overview
The TL16C554APNRG4, produced by Texas Instruments, is an enhanced quadruple version of the TL16C550C asynchronous-communications element (ACE). This device integrates four improved TL16C550C ACEs along with steering logic, making it a robust solution for serial communication needs. It supports both FIFO and non-FIFO modes, providing flexibility in system design. The TL16C554APNRG4 is available in various packages, including 68-pin PLCC, 64-pin PQFP, and 80-pin TQFP, catering to different application requirements.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC) | 3.0 to 5.25 | V |
| Operating Temperature | 0°C to 70°C (TL16C554A), -40°C to 85°C (TL16C554AI) | °C |
| Clock Frequency | Up to 16 MHz | Hz |
| Baud Rate | Up to 1 Mbps | bits/s |
| FIFO Size | 16 bytes (plus 3 bits of error data per byte in receiver FIFO) | bytes |
| Character Length | 5, 6, 7, or 8 bits | bits |
| Parity | Even, odd, or no parity | |
| Stop Bits | 1, 1 1/2, or 2 stop bits | |
| Package Types | 68-pin PLCC, 64-pin PQFP, 80-pin TQFP |
Key Features
- Four improved TL16C550C asynchronous-communications elements (ACEs) with steering logic.
- 16-byte FIFOs for both transmitter and receiver in FIFO mode.
- Programmable baud-rate generators with division of any input reference clock by 1 to (2^16 - 1).
- Support for 5-, 6-, 7-, or 8-bit characters with even, odd, or no parity and 1, 1 1/2, or 2 stop bits.
- Auto-flow control feature using RTS and CTS signals to reduce software overhead.
- Modem control functions including CTS, RTS, DSR, DTR, RI, and DCD.
- False start bit detection and complete status reporting capabilities.
- Line break generation and detection, along with internal diagnostic capabilities.
- Fully prioritized interrupt system and 3-state outputs for TTL drive capabilities.
Applications
The TL16C554APNRG4 is suitable for a wide range of applications requiring serial communication, including:
- Embedded systems and microcontrollers.
- Industrial automation and control systems.
- Telecommunication equipment and modems.
- Point-of-sale terminals and other serial communication devices.
- Automotive and aerospace systems requiring robust serial communication.
Q & A
- What is the TL16C554APNRG4?
The TL16C554APNRG4 is a quadruple asynchronous-communications element (ACE) integrated circuit produced by Texas Instruments.
- What are the package options for the TL16C554APNRG4?
The device is available in 68-pin PLCC, 64-pin PQFP, and 80-pin TQFP packages.
- What is the maximum baud rate supported by the TL16C554APNRG4?
The device supports baud rates up to 1 Mbps.
- Does the TL16C554APNRG4 support auto-flow control?
Yes, it features an auto-flow control mechanism using RTS and CTS signals to manage serial data flow.
- What are the operating voltage and temperature ranges for the TL16C554APNRG4?
The operating voltage range is 3.0 to 5.25 V, and the operating temperature range is 0°C to 70°C for the TL16C554A and -40°C to 85°C for the TL16C554AI.
- What types of parity and stop bits are supported by the TL16C554APNRG4?
The device supports even, odd, or no parity and 1, 1 1/2, or 2 stop bits.
- Does the TL16C554APNRG4 have built-in diagnostic capabilities?
Yes, it includes internal diagnostic capabilities such as loopback controls and error simulation.
- What modem control functions are available on the TL16C554APNRG4?
The device includes modem control functions such as CTS, RTS, DSR, DTR, RI, and DCD.
- How does the TL16C554APNRG4 handle interrupts?
The device features a fully prioritized interrupt system to manage interrupts efficiently.
- What is the significance of the FIFO mode in the TL16C554APNRG4?
In FIFO mode, each transmitter and receiver is buffered with a 16-byte FIFO, reducing the number of interrupts to the CPU and increasing system efficiency.
