Datasheet

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SBAS287A − JUNE 2003 − REVISED SEPTEMBER 2003
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16
SUMMARY OF SERIAL INTERFACE WAVEFORMS
DRDY/DOUT
SCLK
23 22 21 0
MSB LSB
124
DRDY/DOUT
SCLK
23 22 21 0
12425
D
RDY/DOUT
SCLK
23 22 21 0
1242526
Begin calibration
Data ready after calibration
DRDY/DOUT
SCLK
Data ready
Wakeup and
start conversion
Sleep Mode
23 22 21 0
124
DRDY/DOUT
SCLK
23 22 21 0
12425
Data ready after
wakeup and calibration
Wakeup and
begin cal.
Sleep Mode
a. Data Retrieval
c. Self-Calibration
d. Sleep Mode/Single Conversions
e. Sleep Mode/Single Conversions with Self-Calibration on Wakeup
b. Data Retrieval with DRDY/DOUT Forced High Afterwards
Figure 31. Summary of Serial Interface Waveforms