Overview
The TL16C754BFN is a quad universal asynchronous receiver/transmitter (UART) produced by Texas Instruments. This component is designed to provide advanced serial communication capabilities with enhanced features such as 64-byte FIFOs, automatic hardware and software flow control, and high data rates up to 3 Mbps. It is pin compatible with the TL16C554 and ST16C654 UARTs but offers additional enhancements. The TL16C754BFN supports both 3.3-V and 5-V supply voltages and operates over a temperature range of -40°C to 85°C, making it versatile for various industrial and commercial applications.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 4 (Quad UART) |
| FIFO Size | 64 bytes (Transmit and Receive) |
| Maximum Data Rate | Up to 3 Mbps |
| Supply Voltage | 2.7V to 5.5V |
| Operating Temperature | -40°C to 85°C |
| Package Type | 68-pin PLCC or 80-pin TQFP |
| Pin Count | 68 |
| Crystal/Oscillator Input Clock | Up to 24 MHz (1.5 Mbps) for 5-V, up to 32 MHz (2 Mbps) for 3.3-V |
| Flow Control | Hardware (RTS/CTS) and Software (Xon/Xoff) |
Key Features
- 64-Byte FIFOs: Both transmit and receive FIFOs with error flags and programmable trigger levels for DMA and interrupt generation.
- Flow Control: Supports both hardware flow control using RTS/CTS signals and software flow control using programmable Xon/Xoff characters.
- Baud Rate Generator: Programmable baud rate generator that can divide the timing reference clock input by a divisor between 1 and (2^16 - 1).
- Modem Control: Software interface for modem control operations.
- Error Detection: Capable of detecting break, idle, framing errors, FIFO overflow, and parity errors.
- Internal Loopback: Onboard diagnostics capability through internal loopback mode.
- DMA Signalling: Capability for DMA signalling for both received and transmitted data.
Applications
- Industrial Automation: Suitable for industrial control systems requiring multiple serial communication channels.
- Embedded Systems: Ideal for embedded systems that need high-speed serial communication with advanced flow control.
- Network Devices: Used in network devices such as routers, switches, and modems that require multiple UARTs.
- Medical Devices: Applicable in medical devices that require reliable and high-speed serial communication.
- Aerospace and Defense: Suitable for aerospace and defense applications due to its robust features and wide operating temperature range.
Q & A
- What is the maximum data rate supported by the TL16C754BFN?
The TL16C754BFN supports data rates up to 3 Mbps.
- What types of flow control does the TL16C754BFN support?
The TL16C754BFN supports both hardware flow control using RTS/CTS signals and software flow control using programmable Xon/Xoff characters.
- What is the size of the FIFOs in the TL16C754BFN?
The TL16C754BFN has 64-byte FIFOs for both transmit and receive operations.
- What are the supported supply voltages for the TL16C754BFN?
The TL16C754BFN supports supply voltages from 2.7V to 5.5V.
- What is the operating temperature range of the TL16C754BFN?
The TL16C754BFN operates over a temperature range of -40°C to 85°C.
- What types of packages are available for the TL16C754BFN?
The TL16C754BFN is available in 68-pin PLCC and 80-pin TQFP packages.
- Does the TL16C754BFN support DMA signalling?
Yes, the TL16C754BFN supports DMA signalling for both received and transmitted data.
- What is the purpose of the CLKSEL pin in the TL16C754BFN?
The CLKSEL pin is used to select the prescaler value for the input clock, either dividing by 1 or by 4.
- Can the TL16C754BFN perform onboard diagnostics?
Yes, the TL16C754BFN has an internal loopback capability for onboard diagnostics.
- What types of errors can the TL16C754BFN detect?
The TL16C754BFN can detect break, idle, framing errors, FIFO overflow, and parity errors.
