Cirrus-logic AN366 Manual de usuario Pagina 35

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AN366
AN366REV2 35
IS PF=1?
PC/Controller tests if PF returned is 1.
STOP CONVERSIONS
(See Figure 29.)
SDI = 0xD8 Write Halt Conversion
SDO = 0xFF
Figure 29. Conversion Window
CLEAR DRDY in INTERRUPT STATUS
SDI = 0x80 0x57 0xFFFFFF Write INT STATUS DRDY (page 0, register 23)
SDO = 0xFF 0xFF 0x800000 (Set DRDY INT)
SEND AC GAIN CALIBRATION
(See Figure 30.)
SDI = 0xFE Write Gain Calibration – All Channels
SDO = 0xFF
Figure 30. Calibration Window
STOP
CONVERSIONS
0xD8
IS PF = 1 ?
CLEAR DRDY
SEND AC GAIN
CALIBRATION
0xFE
9
11
YES
10
NO
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