Quad UART with 16-byte FIFO and infrared (IrDA) encoder/decoder The SC16C554DIA68 is a quad universal asynchronous receiver/transmitter (UART) manufactured by PHILIPSP (NXP Semiconductors). Below are its specifications, descriptions, and features based on factual information:
### **Specifications:**
- **Manufacturer:** PHILIPSP (NXP Semiconductors)
- **Part Number:** SC16C554DIA68
- **Type:** Quad UART (Universal Asynchronous Receiver/Transmitter)
- **Data Rate:** Up to 5 Mbps
- **Operating Voltage:** 3.3V or 5V
- **Package Type:** PLCC-68 (Plastic Leaded Chip Carrier)
- **Number of Channels:** 4 independent UART channels
- **FIFO Buffers:** 64-byte transmit and receive FIFOs per channel
- **Interface:** Parallel (8-bit data bus)
- **Operating Temperature Range:** Industrial (-40°C to +85°C)
- **Additional Features:**
- Software-selectable baud rate
- Modem control signals (CTS, RTS, DSR, DTR, RI, DCD)
- Auto hardware/software flow control
- Infrared (IrDA) encoder/decoder support
- Sleep mode for power savings
### **Descriptions:**
The SC16C554DIA68 is a high-performance quad UART designed for applications requiring multiple serial communication channels. It integrates four independent UARTs with 64-byte FIFOs to reduce CPU overhead. It supports both 3.3V and 5V operation, making it suitable for a wide range of embedded systems.
### **Features:**
- **Four Independent UART Channels:** Allows simultaneous serial communication on multiple ports.
- **64-Byte FIFOs:** Reduces CPU interrupt load and improves data throughput.
- **Wide Voltage Support:** Compatible with both 3.3V and 5V systems.
- **Programmable Baud Rate:** Supports high-speed communication up to 5 Mbps.
- **Modem Control Signals:** Includes full modem interface signals for each channel.
- **Auto Flow Control:** Hardware (RTS/CTS) and software (XON/XOFF) flow control options.
- **Infrared Support:** Built-in IrDA encoder/decoder for wireless communication.
- **Low-Power Modes:** Sleep mode helps reduce power consumption.
This information is strictly based on the manufacturer's datasheet and technical documentation.
