SC16C850LIBS,151

UARTs (Universal Asynchronous Receiver Transmitter) Overview

The SC16C850LIBS,151 is a single-channel Universal Asynchronous Receiver/Transmitter (UART) operating at 1.8 V with a maximum data rate of 5 Mbit/s. It features 128-byte transmit and receive FIFOs to reduce external CPU bandwidth requirements. The device supports Intel (16 mode) or Motorola (68 mode) parallel bus interfaces selectable via the 16/68 pin. It includes an IrDA encoder/decoder, modem control interface, and automatic RS-485 driver turn-around. Operating within an industrial temperature range of -40 °C to +85 °C, it is housed in a HVQFN32 package.

UARTs (Universal Asynchronous Receiver Transmitter) Feature Summary

• Supports Intel or Motorola bus interface selection via hardware pin configuration
• Includes 128-byte transmit and receive FIFOs with programmable interrupt trigger levels
• Integrates IrDA encoder/decoder supporting version 1.0 specifications
• Provides automatic RS-485 address detection and driver turn-around with programmable delay

UARTs (Universal Asynchronous Receiver Transmitter) Applications

• Industrial control systems requiring high-speed serial communication
• Remote I/O modules for distributed control networks
• Portable devices utilizing low-voltage parallel bus architectures

UARTs (Universal Asynchronous Receiver Transmitter) Procurement Notes

Verify component authenticity through authorized NXP distributors. Confirm package integrity and terminal condition upon receipt. Ensure storage conditions comply with moisture sensitivity level requirements prior to soldering. Validate ordering suffix alignment with specific bus mode and thermal pad configurations.

UARTs (Universal Asynchronous Receiver Transmitter) Selection Notes

Select this variant when a 1.8 V supply voltage is required alongside a parallel host interface. Choose the HVQFN32 package for compact board layouts. Ensure the application utilizes either Intel or Motorola bus timing protocols compatible with the selectable interface mode.

UARTs (Universal Asynchronous Receiver Transmitter) Part Context

This component belongs to the SC16C850L family of low-power UARTs. It serves as an enhanced successor to previous generations like the SC16C650B, offering increased FIFO depth and lower voltage operation. The LIBS suffix specifically denotes the HVQFN32 package variant with no leads.

UARTs (Universal Asynchronous Receiver Transmitter) Replacement Considerations

SC16C850IET-S

UARTs (Universal Asynchronous Receiver Transmitter) FAQ

How is the bus interface mode selected?

The interface mode is determined by the logic state of the 16/68 pin. A logic high or unconnected state selects the Intel (16 mode) interface, while a logic low selects the Motorola (68 mode) interface.

What is the function of the LOWPWR pin?

Asserting the LOWPWR pin activates low power mode, shutting off the oscillator and isolating host interface pins to reduce consumption. De-asserting it resets the device to normal operation.

Does the device support software flow control?

Yes, it supports automatic software flow control using programmable Xon/Xoff characters. The device can halt transmission upon detecting Xoff and resume upon detecting Xon.