5.4. Intel® Cyclone® 10 LP I/O Elements
The Intel® Cyclone® 10 LP I/O elements (IOEs) contain a bidirectional I/O buffer and five registers for registering input, output, output-enable signals, and complete embedded bidirectional single data rate (SDR) and double data rate (DDR) transfer.
Each IOE contains one input register, two output registers, and two output-enable (OE) registers:
- The two output registers and two OE registers are used for DDR applications.
- You can use the input registers for fast setup times and output registers for fast clock-to-output times.
- You can use the OE registers for fast clock-to-output enable times.
You can use the IOEs for input, output, or bidirectional data paths. The I/O pins support various single-ended and differential I/O standards.
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