Overview
The SC16C554BIB80557, produced by NXP USA Inc., is a 4-channel Universal Asynchronous Receiver and Transmitter (QUART) designed for serial data communications. This component is pin compatible with the ST16C554 and TL16C554 and is functionally equivalent to the 16C454 upon power-up. It converts parallel data into serial data and vice versa, supporting serial data rates up to 5 Mbit/s. The SC16C554BIB80557 is fabricated using an advanced CMOS process, ensuring low power consumption and high-speed performance.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 4 |
| Interface Type | Intel (16 mode) or Motorola (68 mode) |
| Maximum Data Rate | 5 Mbit/s |
| FIFO Size | 16 bytes (both transmit and receive) |
| Supply Voltage | 2.5 V, 3.3 V, 5 V |
| Package Type | Variety of packages including HVQFN48 |
| FIFO Trigger Levels | Four selectable levels |
| Modem Interface | Supports modem control logic |
| DMA Mode | Supports DMA mode data transfers |
Key Features
- Four independent UART channels for serial data communications.
- Support for Intel (16 mode) and Motorola (68 mode) interfaces.
- 16-byte transmit and receive FIFOs to enhance data throughput.
- Four selectable FIFO trigger levels for interrupt generation.
- DMA mode data transfers through FIFO trigger levels and TXRDY/RXRDY signals (not available in HVQFN48 package).
- On-board status registers for error indications, operational status, and modem interface control.
- Advanced CMOS process for low power consumption and high-speed performance.
Applications
The SC16C554BIB80557 is designed for use in high-speed modem and shared network environments that require fast data processing times. It is suitable for various applications including:
- High-speed serial data communications.
- Networking equipment.
- Embedded systems requiring multiple serial interfaces.
- Industrial automation and control systems.
Q & A
- What is the primary function of the SC16C554BIB80557? The primary function is to convert parallel data into serial data and vice versa for serial data communications.
- How many UART channels does the SC16C554BIB80557 have? It has four independent UART channels.
- What are the supported interface modes? It supports both Intel (16 mode) and Motorola (68 mode) interfaces.
- What is the maximum data rate supported by the SC16C554BIB80557? It supports serial data rates up to 5 Mbit/s.
- What is the size of the FIFOs in the SC16C554BIB80557? The component has 16-byte transmit and receive FIFOs.
- Does the SC16C554BIB80557 support DMA mode? Yes, it supports DMA mode data transfers through FIFO trigger levels and TXRDY/RXRDY signals.
- What are the supply voltage options for the SC16C554BIB80557? It can operate at 2.5 V, 3.3 V, and 5 V.
- Is the SC16C554BIB80557 pin compatible with other UARTs? Yes, it is pin compatible with the ST16C554 and TL16C554.
- What advanced features does the SC16C554BIB80557 offer compared to the 16C454? It offers larger transmit and receive FIFOs, four selectable FIFO trigger levels, and modem interface control logic.
- What kind of process is used to fabricate the SC16C554BIB80557? It is fabricated using an advanced CMOS process.
