UART Reference Design

Reference Design Compatible with the NS16450 UART

Reference Design LogoThe Universal Asynchronous Receiver Transmitter (UART) is a popular and widely-used device for data communication in the field of telecommunication. This reference design is a fully configurable UART functionally compatible with the NS16450 UART.

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Block Diagram

Universal Asynchronous Receiver/Transmitter Block Diagram

Performance and Size

Tested Devices* Performance I/O Pins Design Size Revision
LCMXO2-256HC-5TG100C >120MHz 37 206 LUTs 1.5
LCMXO256C-4T100C >120MHz 37 205 LUTs 1.5
LFXP2-5E-5M132C >120MHz 37 211 LUTs 1.5
LC4128ZE-5TN100C >120MHz 37 139 Macrocells 1.5
LPTM10-1247-3TG128CES >120MHz 37 208 LUTs 1.5

1. Performance and utilization characteristics generated using the specified test device and Lattice Diamond™ 1.2 software.
2. Performance and utilization characteristics generated using the specified test device with ispLEVER Classic 1.4 software.
3. Performance and utilization characteristics generated using the specified test device with ispLEVER 8.1 SP1 software (Starter or full license version)

* May work in other devices as well.

Note: The performance and design sizes shown above are estimates only. The actual results may vary depending upon the chosen parameters, timing constraints, and device implementation. See the design's documentation for details. All coding and design work was done on a PC platform unless noted otherwise.

Ordering Information

Available for free to use in Lattice Radiant design software.

Documentation

Technical Resources
TITLE NUMBER VERSION DATE FORMAT SIZE
Select All
UART (Universal Asynchronous Receiver/Transmitter) - Source Code
RD1011 1.7 1/1/2015 ZIP 766.4 KB
UART (Universal Asynchronous Receiver/Transmitter) - Documentation
RD1011 1.6 6/14/2011 PDF 346.3 KB

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