SCC2681AC1N28,112

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Serial Communication Controller
• Characteristics:
  • High-performance UART (Universal Asynchronous Receiver/Transmitter) with dual channels
  • Supports asynchronous and synchronous serial communication protocols
  • Operates at a maximum baud rate of 1.5 Mbps
• Package: 28-pin plastic shrink small outline package (SSOP)
• Essence: SCC2681AC1N28,112 is a versatile IC that enables reliable and efficient serial communication in various electronic devices.
• Packaging/Quantity: Available in reels, containing 2,500 units per reel.

Specifications

• Supply Voltage: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Format: 8-bit data length, selectable parity bit, and stop bits
• FIFO Buffer Size: 16 bytes per channel
• Interrupts: Programmable interrupt sources for efficient data handling
• Clock Input: External clock source or internal oscillator
• Compatibility: TTL/CMOS compatible inputs and outputs

Detailed Pin Configuration

The SCC2681AC1N28,112 IC has a total of 28 pins. The pin configuration is as follows:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | RDA | Receive Data A | | 2 | TDA | Transmit Data A | | 3 | CTS1 | Clear To Send 1 | | 4 | RTS1 | Request To Send 1 | | 5 | DCD1 | Data Carrier Detect 1 | | 6 | DSR1 | Data Set Ready 1 | | 7 | RI1 | Ring Indicator 1 | | 8 | GND | Ground | | 9 | VCC | Supply Voltage | | 10 | RDB | Receive Data B | | 11 | TDB | Transmit Data B | | 12 | CTS2 | Clear To Send 2 | | 13 | RTS2 | Request To Send 2 | | 14 | DCD2 | Data Carrier Detect 2 | | 15 | DSR2 | Data Set Ready 2 | | 16 | RI2 | Ring Indicator 2 | | 17-20 | NC | No Connection | | 21 | XTAL1 | External Clock Input 1 | | 22 | XTAL2 | External Clock Input 2 | | 23 | RESET | Reset Input | | 24 | INT/CLK | Interrupt Output/Clock Input | | 25 | RD1/WR | Read/Write Control for Channel A | | 26 | RD2/WR | Read/Write Control for Channel B | | 27 | CS1 | Chip Select for Channel A | | 28 | CS2 | Chip Select for Channel B |

Functional Features

• Dual-channel UART: Allows simultaneous communication on two independent channels.
• Programmable Baud Rate: Supports a wide range of baud rates for flexible communication requirements.
• FIFO Buffer: Provides efficient data buffering to minimize data loss and improve overall performance.
• Interrupt Support: Offers programmable interrupt sources for efficient handling of incoming and outgoing data.
• Auto Flow Control: Supports hardware flow control signals (CTS/RTS) for reliable data transmission.

Advantages and Disadvantages

Advantages: - Dual-channel capability enables parallel communication, increasing efficiency. - High-performance UART supports various communication protocols. - Programmable interrupt sources enhance data handling capabilities. - Auto flow control ensures reliable and error-free data transmission.

Disadvantages: - Limited buffer size (16 bytes per channel) may lead to data loss if not managed properly. - Requires external clock source or oscillator for operation.

Working Principles

The SCC2681AC1N28,112 is a serial communication controller that facilitates the exchange of data between electronic devices. It operates as a UART, which converts parallel data into serial format for transmission and vice versa. The IC supports both asynchronous and synchronous serial communication protocols.

The device consists of two independent channels, each with its own set of pins for data transmission and reception. It utilizes a FIFO buffer to store incoming and outgoing data, minimizing the risk of data loss. The programmable interrupt feature allows efficient handling of data, ensuring timely processing.

To establish communication, the SCC2681AC1N28,112 requires an external clock source or an internal oscillator. It supports various data formats, including selectable parity bits and stop bits, providing flexibility in data transmission.

Detailed Application Field Plans

The SCC2681AC