IOBUFDSE3

UltraScale Architecture SelectIO Resources User Guide (UG571)

Document ID
UG571
Release Date
2023-08-31
Revision
1.15 English

The differential bidirectional input/output buffer primitive (IOBUFDSE3) is only supported in HP I/O banks. This UltraScale architecture specific primitive has functions similar to the IOBUFDS_DCIEN along with controls for offset calibration with input buffer disable control (IBUFDISABLE) and on-die input termination disable control (DCITERMDISABLE) for the input buffer. The offset calibration feature is accessed using the OSC_EN[1:0] and OSC[3:0] ports. The V REF scan feature is not supported with this primitive.

Figure 1-40: IOBUFDSE3 Primitive—Differential Bidirectional I/O Buffer with Offset Calibration (HP I/O Banks Only)

X-Ref Target - Figure 1-40

X16100-iobufdse3-primitive-diff-bidi-io-buffer-w-offset-calib-hp-io-banks-only.jpg