ST16C554DCQ64

Quad-channel UART ICs with 16-byte FIFO for serial communication

Manufacturer: ['maxlinear', 'exar']

series introduction

# Introduction to the ST16C554DCQ64 Product Series

## 1. Overview
The ST16C554DCQ64 is a highly advanced and versatile integrated circuit product series developed by STMicroelectronics. This series is designed to meet the demanding requirements of modern communication systems, offering a comprehensive solution for serial data communication. With its exceptional performance, reliability, and rich feature set, the ST16C554DCQ64 has become a popular choice among engineers and designers in various industries.

## 2. Key Features

### 2.1 Multiple Serial Ports
One of the standout features of the ST16C554DCQ64 is its four independent serial ports. Each port can operate independently, allowing for simultaneous communication with multiple devices. This makes it ideal for applications where multiple serial connections are required, such as industrial automation, networking equipment, and embedded systems.

### 2.2 High - Speed Data Transfer
The product series supports high - speed data transfer rates. It can handle data rates up to 1.5 Mbps, enabling fast and efficient communication between different components. This high - speed capability is crucial for applications that require real - time data exchange, such as video surveillance systems and high - performance data loggers.

### 2.3 FIFOs (First - In, First - Out Buffers)
Each serial port is equipped with 64 - byte transmit and receive FIFOs. These FIFOs help to reduce the CPU overhead by buffering incoming and outgoing data. They can store multiple bytes of data, allowing the CPU to process data in larger chunks rather than handling each byte individually. This results in improved system efficiency and reduced latency.

### 2.4 Programmable Baud Rate Generator
The ST16C554DCQ64 features a programmable baud rate generator. This allows users to set the data transfer rate according to their specific requirements. The wide range of programmable baud rates provides flexibility in different communication scenarios, ensuring compatibility with a variety of devices.

### 2.5 Error Detection and Handling
To ensure reliable data communication, the product series includes comprehensive error detection and handling mechanisms. It can detect errors such as framing errors, parity errors, and overrun errors. When an error is detected, appropriate interrupts can be generated to alert the system, allowing for timely error correction.

### 2.6 Interrupt Control
The ST16C554DCQ64 has a sophisticated interrupt control system. It can generate interrupts for various events, such as data reception, data transmission completion, and error conditions. This enables the CPU to respond quickly to important events, improving the overall responsiveness of the system.

## 3. Package and Pinout
The ST16C554DCQ64 comes in a 64 - pin QFN (Quad Flat No - lead) package. This package offers several advantages, including a small form factor, good thermal performance, and ease of PCB (Printed Circuit Board) assembly. The pinout of the device is carefully designed to provide easy access to all the necessary signals, making it convenient for designers to integrate the product into their circuits.

## 4. Electrical Characteristics

### 4.1 Power Supply
The device operates on a single power supply voltage, typically in the range of 3.3V. This low - voltage operation helps to reduce power consumption, making it suitable for battery - powered applications. Additionally, it has a low standby current, further enhancing its energy efficiency.

### 4.2 Input/Output Levels
The input and output levels of the ST16C554DCQ64 are compatible with standard TTL (Transistor - Transistor Logic) and CMOS (Complementary Metal - Oxide - Semiconductor) levels. This ensures easy

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64-LQFP

64-LQFP

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related Documents

Datasheets

Partlist

ST16C554DCQ64-F
ST16C554DCQ64F
ST16C554DCQ64TR-F