SCC2681AE1N28,112

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Serial Communication Controller
• Characteristics:
  • High-performance UART (Universal Asynchronous Receiver/Transmitter) with dual-channel capability
  • Supports asynchronous and synchronous serial communication protocols
  • Provides flexible baud rate generation and data formatting options
• Package: 28-pin plastic shrink small outline package (SSOP)
• Essence: Facilitates reliable and efficient serial communication in various applications
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Supply Voltage: 3.0V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Rate: Up to 1 Mbps
• Number of Channels: 2
• Data Formats: 5, 6, 7, or 8-bit characters
• Parity: Odd, even, or no parity bit
• Stop Bits: 1 or 2 stop bits
• FIFO Buffer Size: 16 bytes per channel

Detailed Pin Configuration

1. VCC - Power supply voltage
2. GND - Ground reference
3. TXA - Transmit data channel A
4. RXA - Receive data channel A
5. CTSB - Clear to Send input channel B
6. RTSB - Request to Send output channel B
7. DCD - Data Carrier Detect input
8. DSR - Data Set Ready input
9. RXB - Receive data channel B
10. TXB - Transmit data channel B
11. RI - Ring Indicator input
12. DTR - Data Terminal Ready output
13. RTS - Request to Send output channel A
14. CTS - Clear to Send input channel A
15. RESET - Reset input
16. XTAL1 - Crystal oscillator input
17. XTAL2 - Crystal oscillator output
18. CLKOUT - Clock output
19. INTB - Interrupt output channel B
20. INTC - Interrupt output channel C
21. INTA - Interrupt output channel A
22. RD - Read control input
23. WR - Write control input
24. CS - Chip select input
25. A0 - Address input
26. A1 - Address input
27. A2 - Address input
28. VCC - Power supply voltage

Functional Features

• Dual-channel UART with independent control and configuration options
• Supports both asynchronous (UART) and synchronous (HDLC/SDLC) serial communication protocols
• Programmable baud rate generator for flexible data transfer rates
• Automatic hardware flow control using CTS (Clear to Send) and RTS (Request to Send) signals
• Integrated FIFO buffers for efficient data handling and reduced CPU overhead
• Enhanced error detection and handling mechanisms
• Low power consumption in idle mode

Advantages

• High-performance UART with dual-channel capability
• Wide operating voltage range allows compatibility with various systems
• Flexible data formatting options enhance compatibility with different devices
• Reliable and efficient serial communication even at high data rates
• Integrated FIFO buffers improve data handling efficiency
• Hardware flow control ensures reliable data transmission
• Enhanced error detection and handling mechanisms increase system reliability
• Low power consumption extends battery life in portable applications

Disadvantages

• Limited number of channels may not be suitable for applications requiring more than two serial communication channels
• 28-pin package size may limit its use in space-constrained designs

Working Principles

The SCC2681AE1N28,112 is a highly integrated Serial Communication Controller designed to facilitate reliable and efficient serial communication in various applications. It incorporates dual-channel UART functionality, allowing simultaneous communication on two independent channels. The controller supports both asynchronous (UART) and synchronous (HDLC/SDLC) serial communication protocols.

The device features a programmable baud rate generator, enabling flexible data transfer rates. It also provides options for data formatting, including character length, parity, and stop bits. Hardware flow control is implemented using CTS (Clear to Send) and RTS (Request to Send) signals, ensuring reliable data transmission.

To enhance data handling efficiency, the SCC2681AE1N28,112 integrates FIFO (First-In-First-Out) buffers for each channel. These buffers reduce CPU overhead by temporarily storing incoming and outgoing data. Additionally, the controller incorporates error detection and handling mechanisms to ensure data integrity and system reliability.

Detailed Application Field Plans

The SCC2681AE1N28,112 finds applications in various fields that require reliable serial communication. Some potential application areas include: - Industrial automation systems - Data communication equipment - Embedded systems - Telecommunication devices - Medical instruments - Consumer electronics

Detailed and Complete Alternative Models

• SCC2691AC1A28,112: Similar to SCC2681AE1N