Overview
The TL16C750FN, produced by Texas Instruments, is a single UART (Universal Asynchronous Receiver-Transmitter) with advanced features designed to enhance serial communication efficiency. It is a functional upgrade of the TL16C550C and TL16C450 asynchronous communications elements. This component is particularly useful in applications requiring high-speed serial data transmission and reception with minimal CPU overhead.
The TL16C750FN supports both 16-byte and 64-byte FIFO (First-In-First-Out) modes, which significantly reduce the need for CPU intervention in managing serial data flow. It also includes autoflow control, modem control functions, and a programmable baud rate generator, making it versatile for various communication scenarios.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| FIFO Size | Programmable 16-byte or 64-byte FIFOs | 16 bytes or 64 bytes |
| Baud Rate | Up to 1 Mbaud with a 16-MHz clock | Up to 1 Mbaud |
| Supply Voltage | Standard: 4.75 V to 5.25 V, Low Voltage: 3 V to 3.6 V | 4.75 V to 5.25 V or 3 V to 3.6 V |
| Operating Temperature | Standard: 0°C to 70°C, Industrial: –40°C to 85°C | 0°C to 70°C or –40°C to 85°C |
| Package Types | 44-Pin PLCC and 64-Pin SQFP | 44-Pin PLCC, 64-Pin SQFP |
| Modem Control | CTS, RTS, DSR, DTR, RI, and DCD | CTS, RTS, DSR, DTR, RI, DCD |
| Autoflow Control | Auto-RTS and Auto-CTS modes | Auto-RTS, Auto-CTS |
Key Features
- Programmable FIFOs: Supports both 16-byte and 64-byte FIFO modes to reduce CPU interrupts.
- Autoflow Control: Includes auto-RTS and auto-CTS modes to automatically control serial data flow, reducing software overhead.
- Modem Control: Provides complete modem control capability with CTS, RTS, DSR, DTR, RI, and DCD signals.
- High-Speed Operation: Capable of up to 1-Mbaud operation with a 16-MHz clock input.
- Low-Power Modes: Offers low-power modes to reduce power consumption.
- Compatibility: Pin-to-pin compatible with the TL16C550B/C and functionally equivalent to the TL16C450 on power-up.
- DMA Signaling: Supports DMA signaling with TXRDY and RXRDY signals for efficient data transfer.
Applications
- Serial Communication Systems: Ideal for high-speed serial communication in various industrial, automotive, and consumer electronics applications.
- Modem and Telecommunication Equipment: Suitable for modem and telecommunication devices requiring robust serial communication capabilities.
- Embedded Systems: Used in embedded systems where efficient serial data transmission and reception are critical.
- Industrial Automation: Applied in industrial automation for reliable and high-speed data communication between devices.
Q & A
- What is the maximum baud rate supported by the TL16C750FN?
The TL16C750FN supports up to 1-Mbaud operation with a 16-MHz clock input.
- What are the available FIFO sizes for the TL16C750FN?
The TL16C750FN supports both 16-byte and 64-byte FIFO modes.
- Does the TL16C750FN support autoflow control?
- What modem control signals are available on the TL16C750FN?
The TL16C750FN provides CTS, RTS, DSR, DTR, RI, and DCD modem control signals.
- Is the TL16C750FN compatible with other Texas Instruments UARTs?
The TL16C750FN is pin-to-pin compatible with the TL16C550B/C and functionally equivalent to the TL16C450 on power-up.
- What are the package types available for the TL16C750FN?
The TL16C750FN is available in 44-Pin PLCC and 64-Pin SQFP packages.
- Does the TL16C750FN support DMA signaling?
- What is the operating temperature range for the TL16C750FN?
The operating temperature range is 0°C to 70°C for standard versions and –40°C to 85°C for industrial versions.
- Can the TL16C750FN operate at low voltage?
- What is the purpose of the autoflow control feature in the TL16C750FN?
The autoflow control feature (auto-RTS and auto-CTS) automatically controls serial data flow to reduce software overhead and prevent overrun errors.
