Low-Rate Sampling

Zynq UltraScale+ Device Technical Reference Manual (UG1085)

Document ID
UG1085
Release Date
2022-09-15
Revision
2.3 English

Channels that are less time critical can be sampled less often to free up ADC bandwidth for other channels. The SEQ_LOW_RATE_CHANNEL registers are used to select which channels are sampled at a lower rate than the others. The CONFIG_REG4 [sequence_rate] specifies how often the low-rate channels are sampled (every 4th, 16th, and 64th sequence). Selecting a channel in both the SEQ_CHANNEL and SEQ_LOW_RATE_CHANNEL registers causes the SEQ_CHANNEL to prevail, but this situation is not recommended. The low-rate sampling feature applies to both the PL and PS SYSMON units.