NS16C2552TVS/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Serial Communication Controller
• Characteristics: High-performance, dual-channel UART with FIFO buffers
• Package: 48-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: Provides reliable and efficient serial communication capabilities
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Number of Channels: 2
• Data Rate: Up to 1 Mbps
• FIFO Buffer Size: 16 bytes per channel
• Operating Voltage: 3.3V
• Operating Temperature Range: -40°C to +85°C
• Interface: Compatible with RS-232, RS-422, and RS-485 standards
• Power Consumption: Low power consumption for energy efficiency

Pin Configuration

The NS16C2552TVS/NOPB IC has a total of 48 pins. The pin configuration is as follows:

1. VCC
2. GND
3. TXA
4. RXA
5. RTS1
6. CTS1
7. DSR1
8. DCD1
9. RI1
10. RXB
11. TXB
12. RTS2
13. CTS2
14. DSR2
15. DCD2
16. RI2
17. INT
18. RESET
19. X1
20. X2
21. CLKOUT
22. SCLK
23. SDI
24. SDO
25. CS
26. A0
27. A1
28. A2
29. A3
30. A4
31. A5
32. A6
33. A7
34. A8
35. A9
36. A10
37. A11
38. A12
39. A13
40. A14
41. A15
42. RD
43. WR
44. IOR
45. IOW
46. INTB
47. RESETB
48. VCC

Functional Features

• Dual-channel UART with independent FIFO buffers for each channel
• Supports various serial communication standards (RS-232, RS-422, RS-485)
• Programmable baud rate generator for flexible data transfer rates
• Automatic hardware flow control using RTS/CTS signals
• Interrupt-driven operation for efficient data handling
• Power-saving modes to minimize energy consumption
• Error detection and handling mechanisms for reliable communication

Advantages and Disadvantages

Advantages: - High-performance and reliable serial communication capabilities - Flexible interface compatibility with multiple standards - Efficient data handling with FIFO buffers and interrupt-driven operation - Low power consumption for energy efficiency - Error detection and handling mechanisms ensure reliable communication

Disadvantages: - Limited number of channels (2) compared to some other ICs in the market - Relatively higher cost compared to basic UART chips

Working Principles

The NS16C2552TVS/NOPB is a dual-channel UART that enables serial communication between devices. It operates by receiving and transmitting data through its two channels, which are equipped with independent FIFO buffers. The UART supports various serial communication standards such as RS-232, RS-422, and RS-485.

Data transfer rates can be programmed using the built-in baud rate generator, allowing flexibility in communication speed. The UART also incorporates automatic hardware flow control using RTS/CTS signals, ensuring efficient data transmission without overwhelming the receiving device.

The IC operates in interrupt-driven mode, where it generates interrupts upon specific events such as data reception or transmission completion. This approach allows for efficient handling of data and reduces the need for constant polling.

The NS16C2552TVS/NOPB includes error detection and handling mechanisms to ensure reliable communication. It can detect and handle framing errors, parity errors, and overrun errors, enhancing the overall data integrity.

Detailed Application Field Plans

The NS16C2552TVS/NOPB is widely used in various applications that require reliable serial communication. Some of the common application fields include:

1. Industrial Automation: Used in PLCs (Programmable Logic Controllers), SCADA systems, and industrial control devices for communication between different components.
2. Networking Equipment: Integrated into routers, switches, and network interface cards (NICs) to facilitate serial communication with other devices.
3. Point-of-Sale Systems: Employed in cash registers, barcode scanners, and receipt printers for seamless data transfer.
4. Medical Devices: Utilized in medical equipment like patient monitors, diagnostic devices, and laboratory instruments for data exchange.
5. Automotive Electronics: Incorporated in automotive systems for communication between various modules, such as engine control units,