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2.1. I/O Standards and Voltage Levels in Intel® Stratix® 10 Devices
2.2. I/O Element Structure in Intel® Stratix® 10 Devices
2.3. Programmable IOE Features in Intel® Stratix® 10 Devices
2.4. On-Chip I/O Termination in Intel® Stratix® 10 Devices
2.5. External I/O Termination for Intel® Stratix® 10 Devices
3.1. Guideline: VREF Sources and VREF Pins
3.2. Guideline: Observe Device Absolute Maximum Rating for 3.0 V Interfacing
3.3. Guideline: Voltage-Referenced and Non-Voltage Referenced I/O Standards
3.4. Guideline: Do Not Drive I/O Pins During Power Sequencing
3.5. Guideline: Intel® Stratix® 10 I/O Buffer During Power Up, Configuration, and Power Down
3.6. Guideline: Maximum DC Current Restrictions
3.7. Guideline: Use Only One Voltage for All 3 V I/O Banks
3.8. Guideline: I/O Standards Limitation for Intel® Stratix® 10 TX 400
3.9. Guideline: I/O Standards Limitation for Intel® Stratix® 10 GX 400 and SX 400
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2.3.7. Programmable Differential Output Voltage
The programmable VOD settings allow you to adjust the output eye opening to optimize the trace length and power consumption. A higher VOD swing improves voltage margins at the receiver end, and a smaller VOD swing reduces power consumption. You can statically adjust the VOD of the differential signal by changing the VOD settings in the Intel® Quartus® Prime software Assignment Editor.
Figure 8. Differential VOD This figure shows the VOD of the differential LVDS output.
Field | Assignment |
---|---|
To | tx_out |
Assignment name | Programmable Differential Output Voltage (VOD) |
Allowed values | 0 (low), 1 (medium low), 2 (medium high), 3 (high). Default is 2. |