Figure 4. write-cycle timing, Figure 5. read-cycle timing, Figure 6. conversion/acquisition cycle timing – Cirrus Logic AN118 User Manual

Page 4: An118

background image

AN118

4

AN118REV2

Figure 4. Write-Cycle Timing

Figure 5. Read-Cycle Timing

Command Time

8 SCLKs

8 SCLKs Clear SDO Flag

Data SDO Continuous Conversion Read

SDO

SCLK

SDI

t *

d

Data Time

24 SCLKs

MSB

LSB

* td = XIN/OWR clock cycles for each conversion except the

first conversion which will take XIN/OWR + 7 clock cycles

XIN/OWR

Clock Cycles

Figure 6. Conversion/Acquisition Cycle Timing