SCC2681AE1N40,112

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
  • Compatible with various microcontrollers and computer systems
• Package: 40-pin Plastic Dual In-Line Package (PDIP)
• Essence: Facilitates reliable and efficient serial data communication
• Packaging/Quantity: Available in reels or tubes, quantity depends on supplier

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: 2
• Data Format: 8-bit
• Parity: None, Even, Odd
• Stop Bits: 1 or 2
• FIFO Buffer Size: 16 bytes per channel
• Interrupts: Programmable interrupt sources for efficient data handling

Detailed Pin Configuration

The SCC2681AE1N40,112 has a total of 40 pins. The pin configuration is as follows:

1. RxD1: Receive Data Channel 1
2. TxD1: Transmit Data Channel 1
3. RTS1: Request to Send Channel 1
4. CTS1: Clear to Send Channel 1
5. DCD1: Data Carrier Detect Channel 1
6. DSR1: Data Set Ready Channel 1
7. RI1: Ring Indicator Channel 1
8. GND: Ground
9. XTAL1: Crystal Oscillator Input
10. XTAL2: Crystal Oscillator Output
11. VCC: Power Supply
12. RESET: Reset Input
13. IRQB: Interrupt Request Output
14. RxD2: Receive Data Channel 2
15. TxD2: Transmit Data Channel 2
16. RTS2: Request to Send Channel 2
17. CTS2: Clear to Send Channel 2
18. DCD2: Data Carrier Detect Channel 2
19. DSR2: Data Set Ready Channel 2
20. RI2: Ring Indicator Channel 2 21-28: Address/Data Bus 29-36: Control/Status Signals 37-40: Ground

Functional Features

• Dual-channel UART with independent control and status registers for each channel
• Programmable baud rate generator for flexible data rate selection
• Full-duplex operation allowing simultaneous transmission and reception
• Automatic hardware flow control using RTS/CTS signals
• Software flow control using XON/XOFF characters
• Error detection and handling mechanisms (e.g., framing, parity, overrun errors)
• FIFO buffers for efficient data handling and reduced CPU overhead
• Power-saving modes for low-power applications

Advantages and Disadvantages

Advantages: - High-performance and reliable serial communication - Dual-channel capability for increased flexibility - Support for various communication protocols - Efficient data handling with FIFO buffers - Compatible with a wide range of microcontrollers and computer systems

Disadvantages: - Limited number of channels (only two) - Requires external crystal oscillator for clock generation - Relatively large package size (40-pin PDIP)

Working Principles

The SCC2681AE1N40,112 is an integrated circuit that functions as a Serial Communication Controller. It facilitates the exchange of data between a microcontroller or computer system and external devices through serial communication protocols. The UART within the IC converts parallel data from the microcontroller into serial data for transmission and vice versa.

The IC operates based on the principles of asynchronous or synchronous serial communication. It supports various data formats, including 8-bit data with optional parity and stop bits. The programmable baud rate generator allows flexible selection of the data transfer speed.

The SCC2681AE1N40,112 incorporates FIFO buffers to efficiently handle incoming and outgoing data. These buffers reduce the CPU overhead by temporarily storing data during transmission or reception. The IC also provides error detection mechanisms to ensure data integrity.

Detailed Application Field Plans

The SCC2681AE1N40,112 finds applications in a wide range of fields that require reliable and efficient serial communication. Some potential application areas include: - Industrial automation systems - Embedded systems - Communication interfaces for microcontrollers - Data acquisition systems - Point-of-sale terminals - Networking equipment - Medical devices - Test and measurement instruments

Detailed and Complete Alternative Models

• SCC2691AC1A28,112: Similar dual-channel UART with enhanced features and smaller package size (28-pin PLCC)
• MAX3100CPD+: Dual UART with integrated RS-232 transceivers and advanced features
• XR16M564IJ-0B-EVB: Quad