Overview
The SC28L202A1DGG,118, produced by NXP USA Inc., is a high-performance Dual Universal Asynchronous Receiver/Transmitter (DUART). This single-chip CMOS-LSI communications device provides two full-duplex asynchronous receiver/transmitter channels in a single package. It is designed to interface directly with microprocessors and can be used in either polled or interrupt-driven systems. The device is part of the IMPACT line of data communications parts and is fabricated in an advanced 0.5 micron CMOS process.
Key Specifications
| Specification | Details |
|---|---|
| Package Type | TSSOP56 |
| Number of Channels | 2 (Dual UART) |
| FIFO Size | 256 characters (receiver and transmitter) |
| Voltage Compatibility | 3 V and 5 V |
| I/O Ports | 8 I/O ports for each UART (16 total) |
| Baud Rate Options | 27 fixed baud rates, 16x clock derived from programmable counter/timers, or external 1x or 16x clock |
| Flow Control | Xon/Xoff and RTS/CTS |
| Interrupt System | Arbitrating interrupt system with intelligent interrupt vectors |
| Bus Interface | Compatible with Motorola and Intel bus interfaces |
| Environmental Compliance | PbFree, EU RoHS, Halogen Free, REACH SVHC compliant |
Key Features
- High-performance dual UART with 256-character receiver and transmitter FIFOs to minimize overrun and underrun
- Independent programming of operating speed for each channel, supporting dual-speed channel applications
- Multipurpose 8-bit I/O ports for each channel, usable as general-purpose I/O or for specific functions like modem control and DMA interface
- Flow control capabilities including Xon/Xoff and RTS/CTS to manage data flow
- Arbitrating interrupt system with intelligent interrupt vectors for efficient interrupt handling
- Compatibility with both Motorola and Intel bus interfaces through pin programming
Applications
The SC28L202A1DGG,118 is suitable for various applications requiring high-speed and reliable serial communication. These include:
- Clustered terminal systems
- Bridges and network devices
- Modem and serial communication interfaces
- Industrial control systems
- Embedded systems requiring multiple serial ports
Q & A
- What is the SC28L202A1DGG,118? The SC28L202A1DGG,118 is a Dual Universal Asynchronous Receiver/Transmitter (DUART) produced by NXP USA Inc.
- How many UART channels does it have? It has two full-duplex asynchronous receiver/transmitter channels.
- What is the FIFO size for each channel? Each channel has a 256-character FIFO for both the receiver and transmitter.
- What voltage levels is the device compatible with? It is compatible with both 3 V and 5 V.
- How many I/O ports does it have? It has 8 I/O ports for each UART, totaling 16 I/O ports.
- What are the baud rate options for the device? It supports 27 fixed baud rates, a 16x clock derived from programmable counter/timers, or an external 1x or 16x clock.
- Does it support flow control? Yes, it supports Xon/Xoff and RTS/CTS flow control.
- Is the device environmentally compliant? Yes, it is PbFree, EU RoHS, Halogen Free, and REACH SVHC compliant.
- What type of interrupt system does it have? It has an arbitrating interrupt system with intelligent interrupt vectors.
- Can it be used with different bus interfaces? Yes, it is compatible with both Motorola and Intel bus interfaces through pin programming.
