Zynq UltraScale+ Devices Register Reference > Module Summary > IOU_SCNTRS Module > base_frequency_ID_register (IOU_SCNTRS) Register

base_frequency_ID_register (IOU_SCNTRS) Register

base_frequency_ID_register (IOU_SCNTRS) Register Description

Register Namebase_frequency_ID_register
Relative Address0x0000000020
Absolute Address 0x00FF260020 (IOU_SCNTRS)
Width32
TyperwNormal read/write
Reset Value0x00000000
DescriptionProgram this register to match the clock frequency of the timestamp generator, in ticks per second. For example, for a 50 MHz clock, program 0x02FAF080. This register is not accessible to the read-only programming interface.

base_frequency_ID_register (IOU_SCNTRS) Register Bit-Field Summary

Field NameBitsTypeReset ValueDescription
FREQ31:0rwNormal read/write0x0Frequency in number of ticks per second. Valid range from 10 MHz to 100 MHz.