Dual universal asynchronous receiver/transmitter (DUART) The **SC26C92A1A** is a dual universal asynchronous receiver/transmitter (DUART) manufactured by **PHILIPS** (now NXP Semiconductors). Below are its key specifications, descriptions, and features:
### **Specifications:**
- **Manufacturer:** PHILIPS (NXP Semiconductors)
- **Type:** Dual UART (DUART)
- **Data Rate:** Up to **1 Mbps**
- **Operating Voltage:** **5V**
- **Number of Channels:** **2 independent UART channels**
- **FIFO Buffers:** **16-byte transmit and receive FIFOs per channel**
- **Interface:** **Parallel (8-bit data bus)**
- **Package:** **PLCC-44 or equivalent**
- **Operating Temperature Range:** **-40°C to +85°C (industrial grade)**
### **Descriptions:**
- The **SC26C92A1A** is a high-performance **dual UART** designed for serial communication applications.
- It supports **full-duplex operation** on both channels with independent baud rate generators.
- Features **programmable data formats**, including **5 to 8 data bits**, **1 or 2 stop bits**, and **odd/even/no parity**.
- Includes **modem control signals (CTS, RTS, DSR, DTR, CD, RI)** for each UART channel.
- Suitable for **industrial, embedded systems, and telecommunications** applications.
### **Features:**
- **Two independent UART channels** with **16-byte FIFOs** for reduced CPU overhead.
- **Programmable baud rate generators** for flexible communication speeds.
- **Automatic hardware/software flow control** (RTS/CTS).
- **Interrupt-driven operation** with prioritized interrupts.
- **Low-power modes** for energy-efficient applications.
- **Industrial temperature range** (-40°C to +85°C).
- **Compatible with industry-standard UARTs** (e.g., 16C450, 16C550).
This DUART is commonly used in **multiport serial communication cards, industrial controllers, and embedded systems** requiring reliable serial data transfer.
