TL16C750IPM

UARTs (Universal Asynchronous Receiver Transmitter) Overview

The TL16C750IPM is a single-channel asynchronous communications element (ACE) manufactured by Texas Instruments. It features programmable 16-byte or 64-byte transmit and receive FIFOs to reduce CPU interrupt overhead. The device supports data rates up to 1 Mbaud with a maximum clock rate of 16 MHz. It operates on supply voltages of 3 V to 3.6 V or 4.75 V to 5.25 V. The component is housed in a 64-pin Plastic Quad Flatpack (PM package) and functions within an operating temperature range of 0°C to 70°C.

UARTs (Universal Asynchronous Receiver Transmitter) Feature Summary

• Programmable FIFOs available in 16-byte or 64-byte modes to minimize processor intervention.
• Hardware autoflow control utilizing auto-RTS and auto-CTS signals to manage serial data flow and prevent overrun errors.
• Compatible register set allowing functional equivalence with the TL16C450 upon power-up for legacy software support.
• Integrated baud rate generator capable of dividing input clocks to generate internal timing references.

UARTs (Universal Asynchronous Receiver Transmitter) Applications

• High-performance serial communication interfaces requiring reduced CPU load.
• Systems necessitating hardware-based flow control to eliminate software overhead.
• Upgrades from legacy TL16C450 designs requiring pin-compatible enhancements.

UARTs (Universal Asynchronous Receiver Transmitter) Procurement Notes

Verify the specific suffix 'IPM' against the manufacturer's current documentation to confirm the package type and temperature grade. Ensure the design supports the required 64-pin PM footprint and voltage levels. Confirm that the application environment remains within the specified commercial temperature limits.

UARTs (Universal Asynchronous Receiver Transmitter) Selection Notes

Select this component when upgrading from TL16C550B/C or TL16C450 devices to gain larger buffer capacities. Choose the 64-byte mode for applications with high latency between CPU reads. Ensure the system clock frequency does not exceed 16 MHz to maintain valid baud rate generation and timing specifications.

UARTs (Universal Asynchronous Receiver Transmitter) Part Context

The TL16C750 serves as a functional upgrade to the TL16C550C ACE, which itself improves upon the TL16C450. It maintains backward compatibility with existing TL16C450 software while introducing advanced buffering and flow control capabilities. This lineage allows for seamless integration into established communication architectures.

UARTs (Universal Asynchronous Receiver Transmitter) Replacement Considerations

The TL16C750 is pin-to-pin compatible with the TL16C550B/C. Designers replacing older components should verify that the target system utilizes the appropriate 64-pin PM package configuration.

UARTs (Universal Asynchronous Receiver Transmitter) FAQ

How does autoflow control operate?

Autoflow control consists of auto-RTS and auto-CTS. Auto-CTS prevents transmission if CTS is inactive, while auto-RTS deasserts RTS based on receiver FIFO threshold levels to signal the sender to pause.

What are the FIFO size options?

The device allows selection between a 16-byte FIFO mode and an extended 64-byte FIFO mode for both the transmitter and receiver buffers.

Is it compatible with TL16C450 software?

Yes, after reset, all registers are identical to the TL16C450 register set, ensuring full compatibility with existing TL16C450 software drivers.