undersize_frames (GEM) Register

Zynq UltraScale+ Devices Register Reference (UG1087)

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

undersize_frames (GEM) Register Description

Register Nameundersize_frames
Offset Address0x0000000184
Absolute Address 0x00FF0B0184 (GEM0)
0x00FF0C0184 (GEM1)
0x00FF0D0184 (GEM2)
0x00FF0E0184 (GEM3)
Width32
TypemixedMixed types. See bit-field details.
Reset Value0x00000000
DescriptionUndersized Frames Received

undersize_frames (GEM) Register Bit-Field Summary

Field NameBitsTypeReset ValueDescription
Reserved31:10roRead-only0x0Reserved, read as 0, ignored on write.
count 9:0rwNormal read/write0x0Undersize frames received - a 10 bit register counting the number of frames received less than 64 bytes in length (10/100 mode or gigabit mode, full duplex) that do not have either a CRC error or an alignment error. In gigabit mode, half duplex, this register counts either frames not conforming to the minimum slot time of 512 bytes or frames not conforming to the minimum frame size once bursting is active.