Universal asynchronous receiver/transmitter (UART) The SCC2691AC1A28 is a UART (Universal Asynchronous Receiver/Transmitter) manufactured by Philips Semiconductors (PHI). Below are its specifications, descriptions, and features based on factual information:
### **Specifications:**
1. **Manufacturer:** Philips Semiconductors (PHI)
2. **Type:** UART (Universal Asynchronous Receiver/Transmitter)
3. **Package:** 28-pin PLCC (Plastic Leaded Chip Carrier)
4. **Operating Voltage:** Typically 5V
5. **Data Rate:** Up to 1 Mbps (depending on clock frequency)
6. **Communication Protocol:** Asynchronous serial communication
7. **Interrupt Support:** Yes (programmable interrupt sources)
8. **FIFO Buffers:** Typically includes receiver and transmitter FIFOs
9. **Clock Input:** Requires external crystal or clock source
10. **Operating Temperature Range:** Commercial (0°C to +70°C) or Industrial (-40°C to +85°C) depending on variant
### **Descriptions:**
- The SCC2691AC1A28 is a single-channel UART designed for serial communication in embedded systems.
- It supports full-duplex asynchronous data transmission with programmable baud rates.
- Compatible with industry-standard UARTs, often used in telecommunications, industrial control, and computing applications.
### **Features:**
1. **Programmable Baud Rate Generator** – Supports a wide range of data rates.
2. **Modem Control Signals** – Includes RTS, CTS, DTR, DSR, CD, and RI for modem interfacing.
3. **Parity, Framing, and Overrun Error Detection** – Built-in error-checking capabilities.
4. **Interrupt-Driven Operation** – Reduces CPU overhead with configurable interrupts.
5. **Software-Compatible** – Works with standard UART protocols and drivers.
6. **Low Power Consumption** – Suitable for power-sensitive applications.
For exact electrical characteristics and timing diagrams, refer to the official Philips datasheet.
