![]() Apple abandoned serial ports over a decade ago, and recent Dell desktop PCs don’t even have serial and parallel ports. It turns out that the PC industry really feels that serial ports are legacy, however. What could be simpler than the good ol’ serial port, right? Every telecom application I’ve worked on has had hardware with a serial port for debug and engineering management. Why? Well, I don’t want to spend 50% of the time tweaking kernel mode device drivers and data transfer libraries–I want to focus on the FPGA. ![]() A primitive interface, you might say? Having professionally developed both USB and PCI solutions, I was searching for a development board that had the simplest interface with the FPGA. The LatticeXP2 development kit I selected has an RS232 connector and buffer hooked up to the FPGA.
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