Overview
The SC28L198A1BE is a highly integrated CMOS-LSI communications device produced by NXP USA Inc. This octal UART (Universal Asynchronous Receiver-Transmitter) provides eight full-duplex asynchronous channels, making it a robust solution for various communication applications. The device supports both 3.3V and 5V supply voltages, enhancing its versatility in different system designs.
Key Specifications
| Parameter | Description |
|---|---|
| Supply Voltage | 3.3V ± 10% or 5V ± 10% |
| Number of UART Channels | 8 full-duplex asynchronous channels |
| FIFO Depth | 16 bytes for each receiver and transmitter |
| Baud Rate Selection | 22 fixed rates; 50 – 230.4K baud or 100 to 460.8K baud, with additional non-standard rates up to 500K baud |
| Package Type | 100-pin Plastic Low-Profile Quad Flat Pack (LQFP) |
| Operating Temperature | –40 °C to +85 °C |
| Flow Control | In-band flow control using programmable Xon/Xoff characters, and hardware handshaking using CTSN and RTSN |
| Data Formats | 5 to 8 data bits plus parity, odd, even, force or no parity, 1, 1.5 or 2 stop bits |
Key Features
- Single chip CMOS-LSI communications device with eight full-duplex UART channels.
- Deep 16-byte receiver and transmitter FIFOs for each UART.
- In-band flow control using programmable Xon/Xoff characters and hardware handshaking using CTSN and RTSN.
- Automatic address detection in multi-drop mode and three-byte general purpose character recognition.
- Fast data bus with 30 ns data bus release time and 125 ns bus cycle time.
- Programmable interrupt priorities and vectored interrupts with programmable interrupt vector formats.
- Watch dog timer for each receiver and programmable data formats.
- Line break detection and generation, and false start bit detection.
- Four I/O ports per UART for modem controls, clocks, RTSN, I/O etc., with change of state detectors.
- On-chip crystal oscillator supporting 2–8 MHz frequencies.
- Power down mode and high-speed CMOS technology.
Applications
- Statistical Multiplexers and Data Concentrators.
- Packet-switching networks and Process Control systems.
- Building or Plant Control, Laboratory data gathering, and ISDN front ends.
- Computer Networks, Point-of-Sale terminals, and Automotive, cab, and engine controls.
- Entertainment systems, MIDDI keyboard control, music systems, and Theater lighting control.
- Terminal Servers and Computer-Printer/Plotter links.
Q & A
- What is the SC28L198A1BE?
The SC28L198A1BE is an octal UART (Universal Asynchronous Receiver-Transmitter) integrated circuit that provides eight full-duplex asynchronous channels.
- What are the supported supply voltages for the SC28L198A1BE?
The device supports both 3.3V ± 10% and 5V ± 10% supply voltages.
- What is the depth of the FIFOs in the SC28L198A1BE?
The device has 16-byte receiver and transmitter FIFOs for each UART channel.
- What flow control mechanisms are available in the SC28L198A1BE?
The device supports in-band flow control using programmable Xon/Xoff characters and hardware handshaking using CTSN and RTSN.
- What are the programmable data formats supported by the SC28L198A1BE?
The device supports 5 to 8 data bits plus parity, with options for odd, even, force, or no parity, and 1, 1.5, or 2 stop bits.
- Does the SC28L198A1BE have any interrupt handling features?
Yes, it has programmable interrupt priorities and vectored interrupts with programmable interrupt vector formats.
- What is the operating temperature range of the SC28L198A1BE?
The operating temperature range is –40 °C to +85 °C.
- What package type is the SC28L198A1BE available in?
The device is available in a 100-pin Plastic Low-Profile Quad Flat Pack (LQFP).
- Does the SC28L198A1BE have a power down mode?
Yes, the device has a power down mode to conserve energy when not in use.
- What are some common applications of the SC28L198A1BE?
Common applications include statistical multiplexers, data concentrators, packet-switching networks, process control systems, and more.
