NS16C2552TVSX/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Serial Communication Controller
• Characteristics: High-performance, Dual UART with 16-byte FIFOs
• Package: TSSOP-38
• Essence: The NS16C2552TVSX/NOPB is a versatile serial communication controller designed for various applications requiring reliable and efficient data transfer.
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

• Number of Channels: 2
• Data Rate: Up to 1 Mbps
• FIFO Size: 16 bytes per channel
• Operating Voltage: 3.3V
• Operating Temperature Range: -40°C to +85°C
• Interface: UART (Universal Asynchronous Receiver/Transmitter)

Pin Configuration

The NS16C2552TVSX/NOPB features a TSSOP-38 package with the following pin configuration:

1. VCC
2. GND
3. CTS1
4. RTS1
5. RX1
6. TX1
7. DSR1
8. DCD1
9. RI1
10. RESET
11. RX2
12. TX2
13. CTS2
14. RTS2
15. DSR2
16. DCD2
17. RI2
18. SOUT
19. SIN
20. SCLK
21. INT
22. A1
23. A0
24. WR
25. RD
26. CS
27. IRQ
28. CLK
29. XTAL1
30. XTAL2
31. NC
32. NC
33. NC
34. NC
35. NC
36. NC
37. NC
38. NC

Functional Features

• Dual UART with independent data channels for simultaneous communication.
• 16-byte FIFOs per channel to enhance data buffering and reduce CPU overhead.
• Programmable baud rate generator supporting various standard rates.
• Automatic hardware flow control using CTS (Clear To Send) and RTS (Request To Send) signals.
• Interrupt-driven operation for efficient data handling.
• Power management features for low-power applications.

Advantages and Disadvantages

Advantages: - High-performance dual UART design enables efficient and reliable data transfer. - 16-byte FIFOs minimize CPU intervention and improve overall system performance. - Versatile interface supports a wide range of applications. - Power management features optimize power consumption in low-power scenarios.

Disadvantages: - Limited number of channels may not be suitable for applications requiring more than two simultaneous serial connections. - TSSOP package may require additional care during soldering due to its small size.

Working Principles

The NS16C2552TVSX/NOPB operates as a serial communication controller by providing UART functionality. It receives and transmits data in a serial format, converting it into parallel form for processing by the connected device. The integrated FIFOs help in buffering data, reducing the burden on the CPU and ensuring smooth data flow.

The controller supports various standard baud rates and can be programmed accordingly. It also incorporates hardware flow control using CTS and RTS signals, allowing efficient data transfer between devices. Interrupt-driven operation ensures timely handling of incoming and outgoing data.

Application Field Plans

The NS16C2552TVSX/NOPB finds application in a wide range of fields, including but not limited to:

1. Industrial automation systems
2. Telecommunications equipment
3. Networking devices
4. Embedded systems
5. Point-of-sale terminals
6. Medical devices
7. Consumer electronics

Alternative Models

1. NS16C2552TVSX/NOPB: The same model with TSSOP-38 package.
2. NS16C2552T-VS: Similar dual UART IC with a different package (SOIC-38).
3. NS16C2552T-MV: Dual UART IC with additional modem control signals.

These alternative models provide similar functionality and can be considered as substitutes based on specific requirements.

In conclusion, the NS16C2552TVSX/NOPB is a high-performance dual UART IC designed for reliable serial communication. Its versatile features, including FIFOs, programmable baud rate generator, and hardware flow control, make it suitable for various applications. While it has limitations in terms of channel count and package size, alternative models offer flexibility to meet specific needs.