deferred_frames (GEM) Register

Zynq UltraScale+ Devices Register Reference (UG1087)

Document ID
UG1087
Release Date
2024-03-13
Revision
1.10

deferred_frames (GEM) Register Description

Register Namedeferred_frames
Offset Address0x0000000148
Absolute Address 0x00FF0B0148 (GEM0)
0x00FF0C0148 (GEM1)
0x00FF0D0148 (GEM2)
0x00FF0E0148 (GEM3)
Width32
TypemixedMixed types. See bit-field details.
Reset Value0x00000000
DescriptionDeferred Transmission Frames

deferred_frames (GEM) Register Bit-Field Summary

Field NameBitsTypeReset ValueDescription
Reserved31:18roRead-only0x0Reserved, read as 0, ignored on write.
count17:0rwNormal read/write0x0Deferred transmission frames - an 18 bit register counting the number of frames experiencing deferral due to carrier sense being active on their first attempt at transmission. Frames involved in any collision are not counted nor are frames that experienced a transmit under run.