SCC2691AC1A28,518

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Serial Communication Controller
• Characteristics:
  • High-performance UART (Universal Asynchronous Receiver/Transmitter) with FIFO (First-In-First-Out) buffers
  • Supports asynchronous and synchronous serial communication protocols
  • Provides full-duplex communication capability
• Package: 28-pin plastic dual in-line package (DIP)
• Essence: Facilitates reliable and efficient serial communication in various applications
• Packaging/Quantity: Sold individually in anti-static packaging

Specifications

• Supply Voltage: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Rate: Up to 1 Mbps
• Number of Channels: 1
• FIFO Buffer Size: 16 bytes
• Supported Protocols: RS-232, RS-422, RS-485, SPI, I2C

Detailed Pin Configuration

The SCC2691AC1A28,518 has a total of 28 pins. The pin configuration is as follows:

1. VCC - Power supply voltage
2. GND - Ground
3. CTS - Clear To Send
4. RTS - Request To Send
5. RXD - Receive Data
6. TXD - Transmit Data
7. DSR - Data Set Ready
8. DTR - Data Terminal Ready
9. RI - Ring Indicator
10. CD - Carrier Detect
11. SCLK - Serial Clock (for synchronous mode)
12. SDI - Serial Data In (for synchronous mode)
13. SDO - Serial Data Out (for synchronous mode)
14. CS - Chip Select (for synchronous mode) 15-28. Reserved

Functional Features

• Full-duplex communication: Simultaneous transmission and reception of data
• FIFO buffers: Enhances data throughput and reduces CPU overhead
• Programmable baud rate generator: Supports various data rates
• Auto RTS/CTS flow control: Prevents data loss due to buffer overflow
• Synchronous mode support: Enables communication with synchronous devices
• Interrupt-driven operation: Efficiently handles data transfer without continuous polling

Advantages

• High-performance UART with FIFO buffers ensures reliable and efficient data transmission.
• Support for multiple serial communication protocols allows compatibility with a wide range of devices.
• Auto flow control prevents data loss and ensures smooth communication.
• Flexible programming options enable customization according to specific application requirements.

Disadvantages

• Limited number of channels (1) may restrict simultaneous communication with multiple devices.
• The 28-pin DIP package may not be suitable for space-constrained applications.

Working Principles

The SCC2691AC1A28,518 is a serial communication controller that facilitates the exchange of data between a microcontroller or computer and external devices. It operates as a UART, converting parallel data from the host device into serial data for transmission and vice versa. The FIFO buffers enhance data throughput by temporarily storing data during transmission or reception. The controller supports both asynchronous and synchronous communication protocols, allowing seamless integration with various devices.

Detailed Application Field Plans

The SCC2691AC1A28,518 finds applications in a wide range of industries and systems, including: - Industrial automation - Telecommunications - Embedded systems - Data acquisition systems - Robotics - Medical devices - Automotive electronics

Detailed and Complete Alternative Models

• SCC2692AC1A28,518: Similar to SCC2691AC1A28,518 but with two channels instead of one.
• SCC2691AC1A40,518: Same as SCC2691AC1A28,518 but with a 40-pin package.
• SCC2691AC1A28,519: Variant with additional features like DMA (Direct Memory Access) support.

Note: This is not an exhaustive list, and there may be other alternative models available from different manufacturers.

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