Datasheet

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SBAS286C − JUNE 2003 − REVISED JANUARY 2009
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20
SUMMARY OF SERIAL INTERFACE WAVEFORMS
DRDY/DOUT
SCLK
23 22 21 0
MSB LSB
124
DRDY/DOUT
SCLK
23 22 21 0
12425
DRDY/DOUT
SCLK
23 22 21 0
1242526
Begin Calibration
Data Ready
After Calibration
DRDY/DOUT
SCLK
Data Ready
Start
Conversion
Standby Mode
23 22 21 0
124
DRDY/DOUT
SCLK
23 22 21 0
12425
Data Ready
After Calibration
Begin Calibration
(a) Data Retrieval
(b) Data Retrieval with DRDY/DOUT Forced High Afterwards
(c) Self−Calibration
(d) Standby Mode/Single Conversions
(e) Standby Mode/Single Conversions with Self−Calibration
Standby Mode
Figure 33. Summary of Serial Interface Waveforms